WordPressを読む　90 /blog/wp-content/plugins/crayon-syntax-highlighter/util/tag-editor/crayon_tag_editor_wp.class.php

2014/12/04

/blog/wp-content/plugins/crayon-syntax-highlighter/util/tag-editor/crayon_tag_editor_wp.class.php

<?php

require_once (CRAYON_ROOT_PATH . 'crayon_settings_wp.class.php');

class CrayonTagEditorWP {

    public static $settings = null;

    public static function init() {
        // Hooks
        if (CRAYON_TAG_EDITOR) {
            CrayonSettingsWP::load_settings(TRUE);
            if (is_admin()) {
                // XXX Only runs in wp-admin
                add_action('admin_print_scripts-post-new.php', 'CrayonTagEditorWP::enqueue_resources');
                add_action('admin_print_scripts-post.php', 'CrayonTagEditorWP::enqueue_resources');
                add_filter('tiny_mce_before_init', 'CrayonTagEditorWP::init_tinymce');
                // Must come after
                add_action("admin_print_scripts-post-new.php", 'CrayonSettingsWP::init_js_settings');
                add_action("admin_print_scripts-post.php", 'CrayonSettingsWP::init_js_settings');
                self::addbuttons();
            } else if (CrayonGlobalSettings::val(CrayonSettings::TAG_EDITOR_FRONT)) {
                // XXX This will always need to enqueue, but only runs on front end
                add_action('wp', 'CrayonTagEditorWP::enqueue_resources');
                add_filter('tiny_mce_before_init', 'CrayonTagEditorWP::init_tinymce');
                self::addbuttons();
            }
        }
    }

    public static function init_settings() {

        if (!self::$settings) {
            // Add settings
            self::$settings = array(
                'home_url' => home_url(),
                'css' => 'crayon-te',
                'css_selected' => 'crayon-selected',
                'code_css' => '#crayon-code',
                'url_css' => '#crayon-url',
                'url_info_css' => '#crayon-te-url-info',
                'lang_css' => '#crayon-lang',
                'title_css' => '#crayon-title',
                'mark_css' => '#crayon-mark',
                'range_css' => '#crayon-range',
                'inline_css' => 'crayon-inline',
                'inline_hide_css' => 'crayon-hide-inline',
                'inline_hide_only_css' => 'crayon-hide-inline-only',
                'hl_css' => '#crayon-highlight',
                'switch_html' => '#content-html',
                'switch_tmce' => '#content-tmce',
                'tinymce_button_generic' => '.mce-btn',
                'tinymce_button' => 'a.mce_crayon_tinymce,.mce-i-crayon_tinymce',
                'tinymce_button_unique' => 'mce_crayon_tinymce',
                'tinymce_highlight' => 'mce-active',
                'submit_css' => '#crayon-te-ok',
                'cancel_css' => '#crayon-te-cancel',
                'content_css' => '#crayon-te-content',
                'dialog_title_css' => '#crayon-te-title',
                'submit_wrapper_css' => '#crayon-te-submit-wrapper',
                'data_value' => 'data-value',
                'attr_sep' => CrayonGlobalSettings::val_str(CrayonSettings::ATTR_SEP),
                'css_sep' => '_',
                'fallback_lang' => CrayonGlobalSettings::val(CrayonSettings::FALLBACK_LANG),
                'dialog_title_add' => crayon__('Add Crayon Code'),
                'dialog_title_edit' => crayon__('Edit Crayon Code'),
                'submit_add' => crayon__('Add'),
                'submit_edit' => crayon__('Save'),
                'bar' => '#crayon-te-bar',
                'bar_content' => '#crayon-te-bar-content',
                'extensions' => CrayonResources::langs()->extensions_inverted()
            );
        }
    }

    public static function enqueue_resources() {
        global $CRAYON_VERSION;
        self::init_settings();

        if (CRAYON_MINIFY) {
            wp_deregister_script('crayon_js');
            wp_enqueue_script('crayon_js', plugins_url(CRAYON_JS_TE_MIN, dirname(dirname(__FILE__))), array('jquery', 'quicktags'), $CRAYON_VERSION);
            CrayonSettingsWP::init_js_settings();
            wp_localize_script('crayon_js', 'CrayonTagEditorSettings', self::$settings);
        } else {
            wp_enqueue_script('crayon_colorbox_js', plugins_url(CRAYON_COLORBOX_JS, __FILE__), array('jquery'), $CRAYON_VERSION);
            wp_enqueue_style('crayon_colorbox_css', plugins_url(CRAYON_COLORBOX_CSS, __FILE__), array(), $CRAYON_VERSION);
            wp_enqueue_script('crayon_te_js', plugins_url(CRAYON_TAG_EDITOR_JS, __FILE__), array('crayon_util_js', 'crayon_colorbox_js'), $CRAYON_VERSION);
            wp_enqueue_script('crayon_qt_js', plugins_url(CRAYON_QUICKTAGS_JS, __FILE__), array('quicktags', 'crayon_te_js'), $CRAYON_VERSION, TRUE);
            wp_localize_script('crayon_te_js', 'CrayonTagEditorSettings', self::$settings);
            CrayonSettingsWP::other_scripts();
        }
    }

    public static function init_tinymce($init) {
        if (!array_key_exists('extended_valid_elements', $init)) {
            $init['extended_valid_elements'] = '';
        }
        $init['extended_valid_elements'] .= ',pre[*],code[*],iframe[*]';
        return $init;
    }

    public static function addbuttons() {
        // Add only in Rich Editor mode
        add_filter('mce_external_plugins', 'CrayonTagEditorWP::add_plugin');
        add_filter('mce_buttons', 'CrayonTagEditorWP::register_buttons');
        add_filter('bbp_before_get_the_content_parse_args', 'CrayonTagEditorWP::bbp_get_the_content_args');
    }

    public static function bbp_get_the_content_args($args) {
        // Turn off "teeny" to allow the bbPress TinyMCE to display external plugins
        return array_merge($args, array('teeny' => false));
    }

    public static function register_buttons($buttons) {
        array_push($buttons, 'separator', 'crayon_tinymce');
        return $buttons;
    }

    public static function add_plugin($plugin_array) {
        $plugin_array['crayon_tinymce'] = plugins_url(CRAYON_TINYMCE_JS, __FILE__);
        return $plugin_array;
    }

    // The remaining functions are for displayed output.

    public static function select_resource($id, $resources, $current, $set_class = TRUE) {
        $id = CrayonSettings::PREFIX . $id;
        if (count($resources) > 0) {
            $class = $set_class ? 'class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '"' : '';
            echo '<select id="' . $id . '" name="' . $id . '" ' . $class . ' ' . CrayonSettings::SETTING_ORIG_VALUE . '="' . $current . '">';
            foreach ($resources as $resource) {
                $asterisk = $current == $resource->id() ? ' *' : '';
                echo '<option value="' . $resource->id() . '" ' . selected($current, $resource->id()) . ' >' . $resource->name() . $asterisk . '</option>';
            }
            echo '</select>';
        } else {
            // None found, default to text box
            echo '<input type="text" id="' . $id . '" name="' . $id . '" class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '" />';
        }
    }

    public static function checkbox($id) {
        $id = CrayonSettings::PREFIX . $id;
        echo '<input type="checkbox" id="' . $id . '" name="' . $id . '" class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '" />';
    }

    public static function textbox($id, $atts = array(), $set_class = TRUE) {
        $id = CrayonSettings::PREFIX . $id;
        $atts_str = '';
        $class = $set_class ? 'class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '"' : '';
        foreach ($atts as $k => $v) {
            $atts_str = $k . '="' . $v . '" ';
        }
        echo '<input type="text" id="' . $id . '" name="' . $id . '" ' . $class . ' ' . $atts_str . ' />';
    }

    public static function submit() {
        ?>
    <input type="button"
           class="button-primary <?php echo CrayonTagEditorWP::$settings['submit_css']; ?>"
           value="<?php echo CrayonTagEditorWP::$settings['submit_add']; ?>"
           name="submit"/>
    <?php
    }

    public static function content() {
        CrayonSettingsWP::load_settings();
        $langs = CrayonLangs::sort_by_name(CrayonParser::parse_all());
        $curr_lang = CrayonGlobalSettings::val(CrayonSettings::FALLBACK_LANG);
        $themes = CrayonResources::themes()->get();
        $curr_theme = CrayonGlobalSettings::val(CrayonSettings::THEME);
        $fonts = CrayonResources::fonts()->get();
        $curr_font = CrayonGlobalSettings::val(CrayonSettings::FONT);
        CrayonTagEditorWP::init_settings();

        ?>

    <div id="crayon-te-content" class="crayon-te">
        <div id="crayon-te-bar">
            <div id="crayon-te-bar-content">
                <div id="crayon-te-title">Title</div>
                <div id="crayon-te-controls">
                    <a id="crayon-te-ok" href="#"><?php crayon_e('OK'); ?></a> <span
                        class="crayon-te-seperator">|</span> <a id="crayon-te-cancel"
                                                                href="#"><?php crayon_e('Cancel'); ?></a>
                </div>
            </div>
        </div>

        <table id="crayon-te-table" class="describe">
            <tr class="crayon-tr-center">
                <th><?php crayon_e('Title'); ?>
                </th>
                <td class="crayon-nowrap"><?php self::textbox('title', array('placeholder' => crayon__('A short description'))); ?>
                    <span id="crayon-te-sub-section"> <?php self::checkbox('inline'); ?>
                        <span class="crayon-te-section"><?php crayon_e('Inline'); ?> </span>
			</span> <span id="crayon-te-sub-section"> <?php self::checkbox('highlight'); ?>
                        <span class="crayon-te-section"><?php crayon_e("Don't Highlight"); ?>
				</span>
			</span></td>
            </tr>
            <tr class="crayon-tr-center">
                <th><?php crayon_e('Language'); ?>
                </th>
                <td class="crayon-nowrap"><?php self::select_resource('lang', $langs, $curr_lang); ?>
                    <span class="crayon-te-section"><?php crayon_e('Line Range'); ?> </span>
                    <?php self::textbox('range', array('placeholder' => crayon__('(e.g. 3-5 or 3)'))); ?>
                    <span class="crayon-te-section"><?php crayon_e('Marked Lines'); ?> </span>
                    <?php self::textbox('mark', array('placeholder' => crayon__('(e.g. 1,2,3-5)'))); ?>
                </td>
            </tr>
            <tr class="crayon-tr-center" style="text-align: center;">
                <th>
                    <div>
                        <?php crayon_e('Code'); ?>
                    </div>
                    <input type="button" id="crayon-te-clear"
                           class="secondary-primary" value="<?php crayon_e('Clear'); ?>"
                           name="clear"/>
                </th>
                <td><textarea id="crayon-code" name="code"
                              placeholder="<?php crayon_e('Paste your code here, or type it in manually.'); ?>"></textarea>
                </td>
            </tr>
            <tr class="crayon-tr-center">
                <th id="crayon-url-th"><?php crayon_e('URL'); ?>
                </th>
                <td><?php self::textbox('url', array('placeholder' => crayon__('Relative local path or absolute URL'))); ?>
                    <div id="crayon-te-url-info" class="crayon-te-info">
                        <?php
                        crayon_e("If the URL fails to load, the code above will be shown instead. If no code exists, an error is shown.");
                        echo ' ';
                        printf(crayon__('If a relative local path is given it will be appended to %s - which is defined in %sCrayon &gt; Settings &gt; Files%s.'), '<span class="crayon-te-quote">' . get_home_url() . '/' . CrayonGlobalSettings::val(CrayonSettings::LOCAL_PATH) . '</span>', '<a href="options-general.php?page=crayon_settings" target="_blank">', '</a>');
                        ?>
                    </div>
                </td>
            </tr>
            <tr>
                <td id="crayon-te-submit-wrapper" colspan="2"
                    style="text-align: center;"><?php self::submit(); ?></td>
            </tr>
            <!--		<tr>-->
            <!--			<td colspan="2"><div id="crayon-te-warning" class="updated crayon-te-info"></div></td>-->
            <!--		</tr>-->
            <tr>
                <td colspan="2"><?php
                    $admin = isset($_GET['is_admin']) ? intval($_GET['is_admin']) : is_admin();
                    if (!$admin && !CrayonGlobalSettings::val(CrayonSettings::TAG_EDITOR_SETTINGS)) {
                        exit();
                    }
                    ?>
                    <hr/>
                    <div>
                        <h2 class="crayon-te-heading">
                            <?php crayon_e('Settings'); ?>
                        </h2>
                    </div>
                    <div id="crayon-te-settings-info" class="crayon-te-info">
                        <?php
                        crayon_e('Change the following settings to override their global values.');
                        echo ' <span class="', CrayonSettings::SETTING_CHANGED, '">';
                        crayon_e('Only changes (shown yellow) are applied.');
                        echo '</span><br/>';
                        echo sprintf(crayon__('Future changes to the global settings under %sCrayon &gt; Settings%s won\'t affect overridden settings.'), '<a href="options-general.php?page=crayon_settings" target="_blank">', '</a>');
                        ?>
                    </div>
                </td>
            </tr>
            <?php
            $sections = array('Theme', 'Font', 'Metrics', 'Toolbar', 'Lines', 'Code');
            foreach ($sections as $section) {
                echo '<tr><th>', crayon__($section), '</th><td>';
                call_user_func('CrayonSettingsWP::' . strtolower($section), TRUE);
                echo '</td></tr>';
            }
            ?>
        </table>
    </div>

    <?php
        exit();
    }

}

if (defined('ABSPATH')) {
    add_action('init', 'CrayonTagEditorWP::init');
}

?>

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<?php

require_once (CRAYON_ROOT_PATH . 'crayon_settings_wp.class.php');

class CrayonTagEditorWP {

public static $settings = null;

public static function init() {

// Hooks

if (CRAYON_TAG_EDITOR) {

CrayonSettingsWP::load_settings(TRUE);

if (is_admin()) {

// XXX Only runs in wp-admin

add_action('admin_print_scripts-post-new.php', 'CrayonTagEditorWP::enqueue_resources');

add_action('admin_print_scripts-post.php', 'CrayonTagEditorWP::enqueue_resources');

add_filter('tiny_mce_before_init', 'CrayonTagEditorWP::init_tinymce');

// Must come after

add_action("admin_print_scripts-post-new.php", 'CrayonSettingsWP::init_js_settings');

add_action("admin_print_scripts-post.php", 'CrayonSettingsWP::init_js_settings');

self::addbuttons();

} else if (CrayonGlobalSettings::val(CrayonSettings::TAG_EDITOR_FRONT)) {

// XXX This will always need to enqueue, but only runs on front end

add_action('wp', 'CrayonTagEditorWP::enqueue_resources');

add_filter('tiny_mce_before_init', 'CrayonTagEditorWP::init_tinymce');

self::addbuttons();

}

public static function init_settings() {

if (!self::$settings) {

// Add settings

self::$settings = array(

'home_url' => home_url(),

'css' => 'crayon-te',

'css_selected' => 'crayon-selected',

'code_css' => '#crayon-code',

'url_css' => '#crayon-url',

'url_info_css' => '#crayon-te-url-info',

'lang_css' => '#crayon-lang',

'title_css' => '#crayon-title',

'mark_css' => '#crayon-mark',

'range_css' => '#crayon-range',

'inline_css' => 'crayon-inline',

'inline_hide_css' => 'crayon-hide-inline',

'inline_hide_only_css' => 'crayon-hide-inline-only',

'hl_css' => '#crayon-highlight',

'switch_html' => '#content-html',

'switch_tmce' => '#content-tmce',

'tinymce_button_generic' => '.mce-btn',

'tinymce_button' => 'a.mce_crayon_tinymce,.mce-i-crayon_tinymce',

'tinymce_button_unique' => 'mce_crayon_tinymce',

'tinymce_highlight' => 'mce-active',

'submit_css' => '#crayon-te-ok',

'cancel_css' => '#crayon-te-cancel',

'content_css' => '#crayon-te-content',

'dialog_title_css' => '#crayon-te-title',

'submit_wrapper_css' => '#crayon-te-submit-wrapper',

'data_value' => 'data-value',

'attr_sep' => CrayonGlobalSettings::val_str(CrayonSettings::ATTR_SEP),

'css_sep' => '_',

'fallback_lang' => CrayonGlobalSettings::val(CrayonSettings::FALLBACK_LANG),

'dialog_title_add' => crayon__('Add Crayon Code'),

'dialog_title_edit' => crayon__('Edit Crayon Code'),

'submit_add' => crayon__('Add'),

'submit_edit' => crayon__('Save'),

'bar' => '#crayon-te-bar',

'bar_content' => '#crayon-te-bar-content',

'extensions' => CrayonResources::langs()->extensions_inverted()

);

}

public static function enqueue_resources() {

global $CRAYON_VERSION;

self::init_settings();

if (CRAYON_MINIFY) {

wp_deregister_script('crayon_js');

wp_enqueue_script('crayon_js', plugins_url(CRAYON_JS_TE_MIN, dirname(dirname(__FILE__))), array('jquery', 'quicktags'), $CRAYON_VERSION);

CrayonSettingsWP::init_js_settings();

wp_localize_script('crayon_js', 'CrayonTagEditorSettings', self::$settings);

} else {

wp_enqueue_script('crayon_colorbox_js', plugins_url(CRAYON_COLORBOX_JS, __FILE__), array('jquery'), $CRAYON_VERSION);

wp_enqueue_style('crayon_colorbox_css', plugins_url(CRAYON_COLORBOX_CSS, __FILE__), array(), $CRAYON_VERSION);

wp_enqueue_script('crayon_te_js', plugins_url(CRAYON_TAG_EDITOR_JS, __FILE__), array('crayon_util_js', 'crayon_colorbox_js'), $CRAYON_VERSION);

wp_enqueue_script('crayon_qt_js', plugins_url(CRAYON_QUICKTAGS_JS, __FILE__), array('quicktags', 'crayon_te_js'), $CRAYON_VERSION, TRUE);

wp_localize_script('crayon_te_js', 'CrayonTagEditorSettings', self::$settings);

CrayonSettingsWP::other_scripts();

}

public static function init_tinymce($init) {

if (!array_key_exists('extended_valid_elements', $init)) {

$init['extended_valid_elements'] = '';

}

$init['extended_valid_elements'] .= ',pre[*],code[*],iframe[*]';

return $init;

}

public static function addbuttons() {

// Add only in Rich Editor mode

add_filter('mce_external_plugins', 'CrayonTagEditorWP::add_plugin');

add_filter('mce_buttons', 'CrayonTagEditorWP::register_buttons');

add_filter('bbp_before_get_the_content_parse_args', 'CrayonTagEditorWP::bbp_get_the_content_args');

}

public static function bbp_get_the_content_args($args) {

// Turn off "teeny" to allow the bbPress TinyMCE to display external plugins

return array_merge($args, array('teeny' => false));

}

public static function register_buttons($buttons) {

array_push($buttons, 'separator', 'crayon_tinymce');

return $buttons;

}

public static function add_plugin($plugin_array) {

$plugin_array['crayon_tinymce'] = plugins_url(CRAYON_TINYMCE_JS, __FILE__);

return $plugin_array;

}

// The remaining functions are for displayed output.

public static function select_resource($id, $resources, $current, $set_class = TRUE) {

$id = CrayonSettings::PREFIX . $id;

if (count($resources) > 0) {

$class = $set_class ? 'class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '"' : '';

echo '<select id="' . $id . '" name="' . $id . '" ' . $class . ' ' . CrayonSettings::SETTING_ORIG_VALUE . '="' . $current . '">';

foreach ($resources as $resource) {

$asterisk = $current == $resource->id() ? ' *' : '';

echo '<option value="' . $resource->id() . '" ' . selected($current, $resource->id()) . ' >' . $resource->name() . $asterisk . '</option>';

}

echo '</select>';

} else {

// None found, default to text box

echo '<input type="text" id="' . $id . '" name="' . $id . '" class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '" />';

}

public static function checkbox($id) {

$id = CrayonSettings::PREFIX . $id;

echo '<input type="checkbox" id="' . $id . '" name="' . $id . '" class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '" />';

}

public static function textbox($id, $atts = array(), $set_class = TRUE) {

$id = CrayonSettings::PREFIX . $id;

$atts_str = '';

$class = $set_class ? 'class="' . CrayonSettings::SETTING . ' ' . CrayonSettings::SETTING_SPECIAL . '"' : '';

foreach ($atts as $k => $v) {

$atts_str = $k . '="' . $v . '" ';

}

echo '<input type="text" id="' . $id . '" name="' . $id . '" ' . $class . ' ' . $atts_str . ' />';

}

public static function submit() {

<input type="button"

class="button-primary <?php echo CrayonTagEditorWP::$settings['submit_css']; ?>"

value="<?php echo CrayonTagEditorWP::$settings['submit_add']; ?>"

name="submit"/>

<?php

}

public static function content() {

CrayonSettingsWP::load_settings();

$langs = CrayonLangs::sort_by_name(CrayonParser::parse_all());

$curr_lang = CrayonGlobalSettings::val(CrayonSettings::FALLBACK_LANG);

$themes = CrayonResources::themes()->get();

$curr_theme = CrayonGlobalSettings::val(CrayonSettings::THEME);

$fonts = CrayonResources::fonts()->get();

$curr_font = CrayonGlobalSettings::val(CrayonSettings::FONT);

CrayonTagEditorWP::init_settings();

<div id="crayon-te-title">Title</div>

<a id="crayon-te-ok" href="#"><?php crayon_e('OK'); ?></a> <span

class="crayon-te-seperator">|</span> <a id="crayon-te-cancel"

href="#"><?php crayon_e('Cancel'); ?></a>

</div>

</th>

<td class="crayon-nowrap"><?php self::textbox('title', array('placeholder' => crayon__('A short description'))); ?>

</span> <span id="crayon-te-sub-section"> <?php self::checkbox('highlight'); ?>

</span>

</span></td>

</tr>

</th>

<?php self::textbox('range', array('placeholder' => crayon__('(e.g. 3-5 or 3)'))); ?>

<?php self::textbox('mark', array('placeholder' => crayon__('(e.g. 1,2,3-5)'))); ?>

</td>

</tr>

<th>

<div>

<?php crayon_e('Code'); ?>

</div>

<input type="button" id="crayon-te-clear"

class="secondary-primary" value="<?php crayon_e('Clear'); ?>"

name="clear"/>

</th>

<td><textarea id="crayon-code" name="code"

placeholder="<?php crayon_e('Paste your code here, or type it in manually.'); ?>"></textarea>

</td>

</tr>

</th>

<td><?php self::textbox('url', array('placeholder' => crayon__('Relative local path or absolute URL'))); ?>

<?php

crayon_e("If the URL fails to load, the code above will be shown instead. If no code exists, an error is shown.");

echo ' ';

printf(crayon__('If a relative local path is given it will be appended to %s - which is defined in %sCrayon > Settings > Files%s.'), '<span class="crayon-te-quote">' . get_home_url() . '/' . CrayonGlobalSettings::val(CrayonSettings::LOCAL_PATH) . '</span>', '<a href="options-general.php?page=crayon_settings" target="_blank">', '</a>');

</div>

</td>

</tr>

<tr>

<td id="crayon-te-submit-wrapper" colspan="2"

style="text-align: center;"><?php self::submit(); ?></td>

</tr>

<tr>

<td colspan="2"><?php

$admin = isset($_GET['is_admin']) ? intval($_GET['is_admin']) : is_admin();

if (!$admin && !CrayonGlobalSettings::val(CrayonSettings::TAG_EDITOR_SETTINGS)) {

exit();

}

<hr/>

<div>

<?php crayon_e('Settings'); ?>

</h2>

</div>

<?php

crayon_e('Change the following settings to override their global values.');

echo ' <span class="', CrayonSettings::SETTING_CHANGED, '">';

crayon_e('Only changes (shown yellow) are applied.');

echo '</span><br/>';

echo sprintf(crayon__('Future changes to the global settings under %sCrayon > Settings%s won\'t affect overridden settings.'), '<a href="options-general.php?page=crayon_settings" target="_blank">', '</a>');

</div>

</td>

</tr>

<?php

$sections = array('Theme', 'Font', 'Metrics', 'Toolbar', 'Lines', 'Code');

foreach ($sections as $section) {

echo '<tr><th>', crayon__($section), '</th><td>';

call_user_func('CrayonSettingsWP::' . strtolower($section), TRUE);

echo '</td></tr>';

}

</table>

</div>

<?php

exit();

}

if (defined('ABSPATH')) {

add_action('init', 'CrayonTagEditorWP::init');

}

- Wordpress, プラグイン

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目次1 /blog/wp-includes/category-template. …

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: WordPressを読む　68-3 /blog/wp-includes/widgets.php 3
/blog/wp-includes/widgets.php3 [crayon-6 …

: WordPressを読む　38-10 /blog/wp-includes/post.php 10
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目次1 /blog/wp-includes/comment-template.p …

WordPressを読む　70 /blog/wp-includes/nav-menu-template.php

<?php
/**
 * Navigation Menu template functions
 *
 * @package WordPress
 * @subpackage Nav_Menus
 * @since 3.0.0
 */

/**
 * Create HTML list of nav menu items.
 *
 * @since 3.0.0
 * @uses Walker
 */
class Walker_Nav_Menu extends Walker {
	/**
	 * What the class handles.
	 *
	 * @see Walker::$tree_type
	 * @since 3.0.0
	 * @var string
	 */
	public $tree_type = array( 'post_type', 'taxonomy', 'custom' );

	/**
	 * Database fields to use.
	 *
	 * @see Walker::$db_fields
	 * @since 3.0.0
	 * @todo Decouple this.
	 * @var array
	 */
	public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );

	/**
	 * Starts the list before the elements are added.
	 *
	 * @see Walker::start_lvl()
	 *
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param int    $depth  Depth of menu item. Used for padding.
	 * @param array  $args   An array of arguments. @see wp_nav_menu()
	 */
	public function start_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat("\t", $depth);
		$output .= "\n$indent<ul class=\"sub-menu\">\n";
	}

	/**
	 * Ends the list of after the elements are added.
	 *
	 * @see Walker::end_lvl()
	 *
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param int    $depth  Depth of menu item. Used for padding.
	 * @param array  $args   An array of arguments. @see wp_nav_menu()
	 */
	public function end_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat("\t", $depth);
		$output .= "$indent</ul>\n";
	}

	/**
	 * Start the element output.
	 *
	 * @see Walker::start_el()
	 *
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param object $item   Menu item data object.
	 * @param int    $depth  Depth of menu item. Used for padding.
	 * @param array  $args   An array of arguments. @see wp_nav_menu()
	 * @param int    $id     Current item ID.
	 */
	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
		$classes[] = 'menu-item-' . $item->ID;

		/**
		 * Filter the CSS class(es) applied to a menu item's <li>.
		 *
		 * @since 3.0.0
		 *
		 * @see wp_nav_menu()
		 *
		 * @param array  $classes The CSS classes that are applied to the menu item's <li>.
		 * @param object $item    The current menu item.
		 * @param array  $args    An array of wp_nav_menu() arguments.
		 */
		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

		/**
		 * Filter the ID applied to a menu item's <li>.
		 *
		 * @since 3.0.1
		 *
		 * @see wp_nav_menu()
		 *
		 * @param string $menu_id The ID that is applied to the menu item's <li>.
		 * @param object $item    The current menu item.
		 * @param array  $args    An array of wp_nav_menu() arguments.
		 */
		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

		$output .= $indent . '<li' . $id . $class_names .'>';

		$atts = array();
		$atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
		$atts['target'] = ! empty( $item->target )     ? $item->target     : '';
		$atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';
		$atts['href']   = ! empty( $item->url )        ? $item->url        : '';

		/**
		 * Filter the HTML attributes applied to a menu item's <a>.
		 *
		 * @since 3.6.0
		 *
		 * @see wp_nav_menu()
		 *
		 * @param array $atts {
		 *     The HTML attributes applied to the menu item's <a>, empty strings are ignored.
		 *
		 *     @type string $title  Title attribute.
		 *     @type string $target Target attribute.
		 *     @type string $rel    The rel attribute.
		 *     @type string $href   The href attribute.
		 * }
		 * @param object $item The current menu item.
		 * @param array  $args An array of wp_nav_menu() arguments.
		 */
		$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );

		$attributes = '';
		foreach ( $atts as $attr => $value ) {
			if ( ! empty( $value ) ) {
				$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
				$attributes .= ' ' . $attr . '="' . $value . '"';
			}
		}

		$item_output = $args->before;
		$item_output .= '<a'. $attributes .'>';
		/** This filter is documented in wp-includes/post-template.php */
		$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;

		/**
		 * Filter a menu item's starting output.
		 *
		 * The menu item's starting output only includes $args->before, the opening <a>,
		 * the menu item's title, the closing </a>, and $args->after. Currently, there is
		 * no filter for modifying the opening and closing <li> for a menu item.
		 *
		 * @since 3.0.0
		 *
		 * @see wp_nav_menu()
		 *
		 * @param string $item_output The menu item's starting HTML output.
		 * @param object $item        Menu item data object.
		 * @param int    $depth       Depth of menu item. Used for padding.
		 * @param array  $args        An array of wp_nav_menu() arguments.
		 */
		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
	}

	/**
	 * Ends the element output, if needed.
	 *
	 * @see Walker::end_el()
	 *
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param object $item   Page data object. Not used.
	 * @param int    $depth  Depth of page. Not Used.
	 * @param array  $args   An array of arguments. @see wp_nav_menu()
	 */
	public function end_el( &$output, $item, $depth = 0, $args = array() ) {
		$output .= "</li>\n";
	}

} // Walker_Nav_Menu

/**
 * Displays a navigation menu.
 *
 * @since 3.0.0
 *
 * @param array $args {
 *     Optional. Array of nav menu arguments.
 *
 *     @type string        $menu            Desired menu. Accepts (matching in order) id, slug, name. Default empty.
 *     @type string        $menu_class      CSS class to use for the ul element which forms the menu. Default 'menu'.
 *     @type string        $menu_id         The ID that is applied to the ul element which forms the menu.
 *                                          Default is the menu slug, incremented.
 *     @type string        $container       Whether to wrap the ul, and what to wrap it with. Default 'div'.
 *     @type string        $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'.
 *     @type string        $container_id    The ID that is applied to the container. Default empty.
 *     @type callback|bool $fallback_cb     If the menu doesn't exists, a callback function will fire.
 *                                          Default is 'wp_page_menu'. Set to false for no fallback.
 *     @type string        $before          Text before the link text. Default empty.
 *     @type string        $after           Text after the link text. Default empty.
 *     @type string        $link_before     Text before the link. Default empty.
 *     @type string        $link_after      Text after the link. Default empty.
 *     @type bool          $echo            Whether to echo the menu or return it. Default true.
 *     @type int           $depth           How many levels of the hierarchy are to be included. 0 means all. Default 0.
 *     @type object        $walker          Instance of a custom walker class. Default empty.
 *     @type string        $theme_location  Theme location to be used. Must be registered with register_nav_menu()
 *                                          in order to be selectable by the user.
 *     @type string        $items_wrap      How the list items should be wrapped. Default is a ul with an id and class.
 *                                          Uses printf() format with numbered placeholders.
 * }
 * @return mixed Menu output if $echo is false, false if there are no items or no menu was found.
 */
function wp_nav_menu( $args = array() ) {
	static $menu_id_slugs = array();

	$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '',
	'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
	'depth' => 0, 'walker' => '', 'theme_location' => '' );

	$args = wp_parse_args( $args, $defaults );
	/**
	 * Filter the arguments used to display a navigation menu.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param array $args Array of wp_nav_menu() arguments.
	 */
	$args = apply_filters( 'wp_nav_menu_args', $args );
	$args = (object) $args;

	/**
	 * Filter whether to short-circuit the wp_nav_menu() output.
	 *
	 * Returning a non-null value to the filter will short-circuit
	 * wp_nav_menu(), echoing that value if $args->echo is true,
	 * returning that value otherwise.
	 *
	 * @since 3.9.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string|null $output Nav menu output to short-circuit with. Default null.
	 * @param object      $args   An object containing wp_nav_menu() arguments.
	 */
	$nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args );

	if ( null !== $nav_menu ) {
		if ( $args->echo ) {
			echo $nav_menu;
			return;
		}

		return $nav_menu;
	}

	// Get the nav menu based on the requested menu
	$menu = wp_get_nav_menu_object( $args->menu );

	// Get the nav menu based on the theme_location
	if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) )
		$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] );

	// get the first menu that has items if we still can't find a menu
	if ( ! $menu && !$args->theme_location ) {
		$menus = wp_get_nav_menus( array( 'orderby' => 'name' ) );
		foreach ( $menus as $menu_maybe ) {
			if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
				$menu = $menu_maybe;
				break;
			}
		}
	}

	// If the menu exists, get its items.
	if ( $menu && ! is_wp_error($menu) && !isset($menu_items) )
		$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );

	/*
	 * If no menu was found:
	 *  - Fall back (if one was specified), or bail.
	 *
	 * If no menu items were found:
	 *  - Fall back, but only if no theme location was specified.
	 *  - Otherwise, bail.
	 */
	if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) )
		&& $args->fallback_cb && is_callable( $args->fallback_cb ) )
			return call_user_func( $args->fallback_cb, (array) $args );

	if ( ! $menu || is_wp_error( $menu ) )
		return false;

	$nav_menu = $items = '';

	$show_container = false;
	if ( $args->container ) {
		/**
		 * Filter the list of HTML tags that are valid for use as menu containers.
		 *
		 * @since 3.0.0
		 *
		 * @param array $tags The acceptable HTML tags for use as menu containers.
		 *                    Default is array containing 'div' and 'nav'.
		 */
		$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
		if ( in_array( $args->container, $allowed_tags ) ) {
			$show_container = true;
			$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"';
			$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';
			$nav_menu .= '<'. $args->container . $id . $class . '>';
		}
	}

	// Set up the $menu_item variables
	_wp_menu_item_classes_by_context( $menu_items );

	$sorted_menu_items = $menu_items_with_children = array();
	foreach ( (array) $menu_items as $menu_item ) {
		$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
		if ( $menu_item->menu_item_parent )
			$menu_items_with_children[ $menu_item->menu_item_parent ] = true;
	}

	// Add the menu-item-has-children class where applicable
	if ( $menu_items_with_children ) {
		foreach ( $sorted_menu_items as &$menu_item ) {
			if ( isset( $menu_items_with_children[ $menu_item->ID ] ) )
				$menu_item->classes[] = 'menu-item-has-children';
		}
	}

	unset( $menu_items, $menu_item );

	/**
	 * Filter the sorted list of menu item objects before generating the menu's HTML.
	 *
	 * @since 3.1.0
	 *
	 * @param array  $sorted_menu_items The menu items, sorted by each menu item's menu order.
	 * @param object $args              An object containing wp_nav_menu() arguments.
	 */
	$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );

	$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
	unset($sorted_menu_items);

	// Attributes
	if ( ! empty( $args->menu_id ) ) {
		$wrap_id = $args->menu_id;
	} else {
		$wrap_id = 'menu-' . $menu->slug;
		while ( in_array( $wrap_id, $menu_id_slugs ) ) {
			if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) )
				$wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id );
			else
				$wrap_id = $wrap_id . '-1';
		}
	}
	$menu_id_slugs[] = $wrap_id;

	$wrap_class = $args->menu_class ? $args->menu_class : '';

	/**
	 * Filter the HTML list content for navigation menus.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string $items The HTML list content for the menu items.
	 * @param object $args  An object containing wp_nav_menu() arguments.
	 */
	$items = apply_filters( 'wp_nav_menu_items', $items, $args );
	/**
	 * Filter the HTML list content for a specific navigation menu.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string $items The HTML list content for the menu items.
	 * @param object $args  An object containing wp_nav_menu() arguments.
	 */
	$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );

	// Don't print any markup if there are no items at this point.
	if ( empty( $items ) )
		return false;

	$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
	unset( $items );

	if ( $show_container )
		$nav_menu .= '</' . $args->container . '>';

	/**
	 * Filter the HTML content for navigation menus.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string $nav_menu The HTML content for the navigation menu.
	 * @param object $args     An object containing wp_nav_menu() arguments.
	 */
	$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );

	if ( $args->echo )
		echo $nav_menu;
	else
		return $nav_menu;
}

/**
 * Add the class property classes for the current context, if applicable.
 *
 * @access private
 * @since 3.0.0
 *
 * @param array $menu_items The current menu item objects to which to add the class property information.
 */
function _wp_menu_item_classes_by_context( &$menu_items ) {
	global $wp_query, $wp_rewrite;

	$queried_object = $wp_query->get_queried_object();
	$queried_object_id = (int) $wp_query->queried_object_id;

	$active_object = '';
	$active_ancestor_item_ids = array();
	$active_parent_item_ids = array();
	$active_parent_object_ids = array();
	$possible_taxonomy_ancestors = array();
	$possible_object_parents = array();
	$home_page_id = (int) get_option( 'page_for_posts' );

	if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
		foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
				$term_hierarchy = _get_term_hierarchy( $taxonomy );
				$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
				if ( is_array( $terms ) ) {
					$possible_object_parents = array_merge( $possible_object_parents, $terms );
					$term_to_ancestor = array();
					foreach ( (array) $term_hierarchy as $anc => $descs ) {
						foreach ( (array) $descs as $desc )
							$term_to_ancestor[ $desc ] = $anc;
					}

					foreach ( $terms as $desc ) {
						do {
							$possible_taxonomy_ancestors[ $taxonomy ][] = $desc;
							if ( isset( $term_to_ancestor[ $desc ] ) ) {
								$_desc = $term_to_ancestor[ $desc ];
								unset( $term_to_ancestor[ $desc ] );
								$desc = $_desc;
							} else {
								$desc = 0;
							}
						} while ( ! empty( $desc ) );
					}
				}
			}
		}
	} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {
		$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy );
		$term_to_ancestor = array();
		foreach ( (array) $term_hierarchy as $anc => $descs ) {
			foreach ( (array) $descs as $desc )
				$term_to_ancestor[ $desc ] = $anc;
		}
		$desc = $queried_object->term_id;
		do {
			$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc;
			if ( isset( $term_to_ancestor[ $desc ] ) ) {
				$_desc = $term_to_ancestor[ $desc ];
				unset( $term_to_ancestor[ $desc ] );
				$desc = $_desc;
			} else {
				$desc = 0;
			}
		} while ( ! empty( $desc ) );
	}

	$possible_object_parents = array_filter( $possible_object_parents );

	$front_page_url = home_url();

	foreach ( (array) $menu_items as $key => $menu_item ) {

		$menu_items[$key]->current = false;

		$classes = (array) $menu_item->classes;
		$classes[] = 'menu-item';
		$classes[] = 'menu-item-type-' . $menu_item->type;
		$classes[] = 'menu-item-object-' . $menu_item->object;

		// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
		if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {
			$active_parent_object_ids[] = (int) $menu_item->object_id;
			$active_parent_item_ids[] = (int) $menu_item->db_id;
			$active_object = $queried_object->post_type;

		// if the menu item corresponds to the currently-queried post or taxonomy object
		} elseif (
			$menu_item->object_id == $queried_object_id &&
			(
				( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) ||
				( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||
				( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object )
			)
		) {
			$classes[] = 'current-menu-item';
			$menu_items[$key]->current = true;
			$_anc_id = (int) $menu_item->db_id;

			while(
				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
				! in_array( $_anc_id, $active_ancestor_item_ids )
			) {
				$active_ancestor_item_ids[] = $_anc_id;
			}

			if ( 'post_type' == $menu_item->type && 'page' == $menu_item->object ) {
				// Back compat classes for pages to match wp_page_menu()
				$classes[] = 'page_item';
				$classes[] = 'page-item-' . $menu_item->object_id;
				$classes[] = 'current_page_item';
			}
			$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
			$active_parent_object_ids[] = (int) $menu_item->post_parent;
			$active_object = $menu_item->object;

		// if the menu item corresponds to the currently-requested URL
		} elseif ( 'custom' == $menu_item->object ) {
			$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );
			$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );
			$raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
			$item_url = untrailingslashit( $raw_item_url );
			$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );

			if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) {
				$classes[] = 'current-menu-item';
				$menu_items[$key]->current = true;
				$_anc_id = (int) $menu_item->db_id;

				while(
					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
					! in_array( $_anc_id, $active_ancestor_item_ids )
				) {
					$active_ancestor_item_ids[] = $_anc_id;
				}

				if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {
					// Back compat for home link to match wp_page_menu()
					$classes[] = 'current_page_item';
				}
				$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
				$active_parent_object_ids[] = (int) $menu_item->post_parent;
				$active_object = $menu_item->object;

			// give front page item current-menu-item class when extra query arguments involved
			} elseif ( $item_url == $front_page_url && is_front_page() ) {
				$classes[] = 'current-menu-item';
			}

			if ( untrailingslashit($item_url) == home_url() )
				$classes[] = 'menu-item-home';
		}

		// back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query
		if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id )
			$classes[] = 'current_page_parent';

		$menu_items[$key]->classes = array_unique( $classes );
	}
	$active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) );
	$active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );
	$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );

	// set parent's class
	foreach ( (array) $menu_items as $key => $parent_item ) {
		$classes = (array) $parent_item->classes;
		$menu_items[$key]->current_item_ancestor = false;
		$menu_items[$key]->current_item_parent = false;

		if (
			isset( $parent_item->type ) &&
			(
				// ancestral post object
				(
					'post_type' == $parent_item->type &&
					! empty( $queried_object->post_type ) &&
					is_post_type_hierarchical( $queried_object->post_type ) &&
					in_array( $parent_item->object_id, $queried_object->ancestors ) &&
					$parent_item->object != $queried_object->ID
				) ||

				// ancestral term
				(
					'taxonomy' == $parent_item->type &&
					isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
					in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
					(
						! isset( $queried_object->term_id ) ||
						$parent_item->object_id != $queried_object->term_id
					)
				)
			)
		) {
			$classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor';
		}

		if ( in_array(  intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) {
			$classes[] = 'current-menu-ancestor';
			$menu_items[$key]->current_item_ancestor = true;
		}
		if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) {
			$classes[] = 'current-menu-parent';
			$menu_items[$key]->current_item_parent = true;
		}
		if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )
			$classes[] = 'current-' . $active_object . '-parent';

		if ( 'post_type' == $parent_item->type && 'page' == $parent_item->object ) {
			// Back compat classes for pages to match wp_page_menu()
			if ( in_array('current-menu-parent', $classes) )
				$classes[] = 'current_page_parent';
			if ( in_array('current-menu-ancestor', $classes) )
				$classes[] = 'current_page_ancestor';
		}

		$menu_items[$key]->classes = array_unique( $classes );
	}
}

/**
 * Retrieve the HTML list content for nav menu items.
 *
 * @uses Walker_Nav_Menu to create HTML list content.
 * @since 3.0.0
 * @see Walker::walk() for parameters and return description.
 */
function walk_nav_menu_tree( $items, $depth, $r ) {
	$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker;
	$args = array( $items, $depth, $r );

	return call_user_func_array( array($walker, 'walk'), $args );
}

/**
 * Prevents a menu item ID from being used more than once.
 *
 * @since 3.0.1
 * @access private
 */
function _nav_menu_item_id_use_once( $id, $item ) {
	static $_used_ids = array();
	if ( in_array( $item->ID, $_used_ids ) )
		return '';
	$_used_ids[] = $item->ID;
	return $id;
}
add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );

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<?php

/**

* Navigation Menu template functions

* @package WordPress

* @subpackage Nav_Menus

* @since 3.0.0

/**

* Create HTML list of nav menu items.

* @since 3.0.0

* @uses Walker

class Walker_Nav_Menu extends Walker {

/**

* What the class handles.

* @see Walker::$tree_type

* @since 3.0.0

* @var string

public $tree_type = array( 'post_type', 'taxonomy', 'custom' );

/**

* Database fields to use.

* @see Walker::$db_fields

* @since 3.0.0

* @todo Decouple this.

* @var array

public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );

/**

* Starts the list before the elements are added.

* @see Walker::start_lvl()

* @since 3.0.0

* @param string $output Passed by reference. Used to append additional content.

* @param int $depth Depth of menu item. Used for padding.

* @param array $args An array of arguments. @see wp_nav_menu()

public function start_lvl( &$output, $depth = 0, $args = array() ) {

$indent = str_repeat("\t", $depth);

$output .= "\n$indent<ul class=\"sub-menu\">\n";

}

/**

* Ends the list of after the elements are added.

* @see Walker::end_lvl()

* @since 3.0.0

* @param string $output Passed by reference. Used to append additional content.

* @param int $depth Depth of menu item. Used for padding.

* @param array $args An array of arguments. @see wp_nav_menu()

public function end_lvl( &$output, $depth = 0, $args = array() ) {

$indent = str_repeat("\t", $depth);

$output .= "$indent</ul>\n";

}

/**

* Start the element output.

* @see Walker::start_el()

* @since 3.0.0

* @param string $output Passed by reference. Used to append additional content.

* @param object $item Menu item data object.

* @param int $depth Depth of menu item. Used for padding.

* @param array $args An array of arguments. @see wp_nav_menu()

* @param int $id Current item ID.

public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {

$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

$classes = empty( $item->classes ) ? array() : (array) $item->classes;

$classes[] = 'menu-item-' . $item->ID;

/**

* Filter the CSS class(es) applied to a menu item's <li>.

* @since 3.0.0

* @see wp_nav_menu()

* @param array $classes The CSS classes that are applied to the menu item's <li>.

* @param object $item The current menu item.

* @param array $args An array of wp_nav_menu() arguments.

$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );

$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

/**

* Filter the ID applied to a menu item's <li>.

* @since 3.0.1

* @see wp_nav_menu()

* @param string $menu_id The ID that is applied to the menu item's <li>.

* @param object $item The current menu item.

* @param array $args An array of wp_nav_menu() arguments.

$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );

$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

$output .= $indent . '<li' . $id . $class_names .'>';

$atts = array();

$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';

$atts['target'] = ! empty( $item->target ) ? $item->target : '';

$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';

$atts['href'] = ! empty( $item->url ) ? $item->url : '';

/**

* Filter the HTML attributes applied to a menu item's <a>.

* @since 3.6.0

* @see wp_nav_menu()

* @param array $atts {

* The HTML attributes applied to the menu item's <a>, empty strings are ignored.

* @type string $title Title attribute.

* @type string $target Target attribute.

* @type string $rel The rel attribute.

* @type string $href The href attribute.

* }

* @param object $item The current menu item.

* @param array $args An array of wp_nav_menu() arguments.

$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );

$attributes = '';

foreach ( $atts as $attr => $value ) {

if ( ! empty( $value ) ) {

$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );

$attributes .= ' ' . $attr . '="' . $value . '"';

}

$item_output = $args->before;

$item_output .= '<a'. $attributes .'>';

/** This filter is documented in wp-includes/post-template.php */

$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;

$item_output .= '</a>';

$item_output .= $args->after;

/**

* Filter a menu item's starting output.

* The menu item's starting output only includes $args->before, the opening <a>,

* the menu item's title, the closing </a>, and $args->after. Currently, there is

* no filter for modifying the opening and closing <li> for a menu item.

* @since 3.0.0

* @see wp_nav_menu()

* @param string $item_output The menu item's starting HTML output.

* @param object $item Menu item data object.

* @param int $depth Depth of menu item. Used for padding.

* @param array $args An array of wp_nav_menu() arguments.

$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );

}

/**

* Ends the element output, if needed.

* @see Walker::end_el()

* @since 3.0.0

* @param string $output Passed by reference. Used to append additional content.

* @param object $item Page data object. Not used.

* @param int $depth Depth of page. Not Used.

* @param array $args An array of arguments. @see wp_nav_menu()

public function end_el( &$output, $item, $depth = 0, $args = array() ) {

$output .= "</li>\n";

}

} // Walker_Nav_Menu

/**

* Displays a navigation menu.

* @since 3.0.0

* @param array $args {

* Optional. Array of nav menu arguments.

* @type string $menu Desired menu. Accepts (matching in order) id, slug, name. Default empty.

* @type string $menu_class CSS class to use for the ul element which forms the menu. Default 'menu'.

* @type string $menu_id The ID that is applied to the ul element which forms the menu.

* Default is the menu slug, incremented.

* @type string $container Whether to wrap the ul, and what to wrap it with. Default 'div'.

* @type string $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'.

* @type string $container_id The ID that is applied to the container. Default empty.

* @type callback|bool $fallback_cb If the menu doesn't exists, a callback function will fire.

* Default is 'wp_page_menu'. Set to false for no fallback.

* @type string $before Text before the link text. Default empty.

* @type string $after Text after the link text. Default empty.

* @type string $link_before Text before the link. Default empty.

* @type string $link_after Text after the link. Default empty.

* @type bool $echo Whether to echo the menu or return it. Default true.

* @type int $depth How many levels of the hierarchy are to be included. 0 means all. Default 0.

* @type object $walker Instance of a custom walker class. Default empty.

* @type string $theme_location Theme location to be used. Must be registered with register_nav_menu()

* in order to be selectable by the user.

* @type string $items_wrap How the list items should be wrapped. Default is a ul with an id and class.

* Uses printf() format with numbered placeholders.

* }

* @return mixed Menu output if $echo is false, false if there are no items or no menu was found.

function wp_nav_menu( $args = array() ) {

static $menu_id_slugs = array();

$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '',

'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',

'depth' => 0, 'walker' => '', 'theme_location' => '' );

$args = wp_parse_args( $args, $defaults );

/**

* Filter the arguments used to display a navigation menu.

* @since 3.0.0

* @see wp_nav_menu()

* @param array $args Array of wp_nav_menu() arguments.

$args = apply_filters( 'wp_nav_menu_args', $args );

$args = (object) $args;

/**

* Filter whether to short-circuit the wp_nav_menu() output.

* Returning a non-null value to the filter will short-circuit

* wp_nav_menu(), echoing that value if $args->echo is true,

* returning that value otherwise.

* @since 3.9.0

* @see wp_nav_menu()

* @param string|null $output Nav menu output to short-circuit with. Default null.

* @param object $args An object containing wp_nav_menu() arguments.

$nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args );

if ( null !== $nav_menu ) {

if ( $args->echo ) {

echo $nav_menu;

return;

}

return $nav_menu;

}

// Get the nav menu based on the requested menu

$menu = wp_get_nav_menu_object( $args->menu );

// Get the nav menu based on the theme_location

if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) )

$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] );

// get the first menu that has items if we still can't find a menu

if ( ! $menu && !$args->theme_location ) {

$menus = wp_get_nav_menus( array( 'orderby' => 'name' ) );

foreach ( $menus as $menu_maybe ) {

if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {

$menu = $menu_maybe;

break;

}

// If the menu exists, get its items.

if ( $menu && ! is_wp_error($menu) && !isset($menu_items) )

$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );

* If no menu was found:

* - Fall back (if one was specified), or bail.

* If no menu items were found:

* - Fall back, but only if no theme location was specified.

* - Otherwise, bail.

if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) )

&& $args->fallback_cb && is_callable( $args->fallback_cb ) )

return call_user_func( $args->fallback_cb, (array) $args );

if ( ! $menu || is_wp_error( $menu ) )

return false;

$nav_menu = $items = '';

$show_container = false;

if ( $args->container ) {

/**

* Filter the list of HTML tags that are valid for use as menu containers.

* @since 3.0.0

* @param array $tags The acceptable HTML tags for use as menu containers.

* Default is array containing 'div' and 'nav'.

$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );

if ( in_array( $args->container, $allowed_tags ) ) {

$show_container = true;

$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"';

$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';

$nav_menu .= '<'. $args->container . $id . $class . '>';

}

// Set up the $menu_item variables

_wp_menu_item_classes_by_context( $menu_items );

$sorted_menu_items = $menu_items_with_children = array();

foreach ( (array) $menu_items as $menu_item ) {

$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;

if ( $menu_item->menu_item_parent )

$menu_items_with_children[ $menu_item->menu_item_parent ] = true;

}

// Add the menu-item-has-children class where applicable

if ( $menu_items_with_children ) {

foreach ( $sorted_menu_items as &$menu_item ) {

if ( isset( $menu_items_with_children[ $menu_item->ID ] ) )

$menu_item->classes[] = 'menu-item-has-children';

}

unset( $menu_items, $menu_item );

/**

* Filter the sorted list of menu item objects before generating the menu's HTML.

* @since 3.1.0

* @param array $sorted_menu_items The menu items, sorted by each menu item's menu order.

* @param object $args An object containing wp_nav_menu() arguments.

$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );

$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );

unset($sorted_menu_items);

// Attributes

if ( ! empty( $args->menu_id ) ) {

$wrap_id = $args->menu_id;

} else {

$wrap_id = 'menu-' . $menu->slug;

while ( in_array( $wrap_id, $menu_id_slugs ) ) {

if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) )

$wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id );

else

$wrap_id = $wrap_id . '-1';

}

$menu_id_slugs[] = $wrap_id;

$wrap_class = $args->menu_class ? $args->menu_class : '';

/**

* Filter the HTML list content for navigation menus.

* @since 3.0.0

* @see wp_nav_menu()

* @param string $items The HTML list content for the menu items.

* @param object $args An object containing wp_nav_menu() arguments.

$items = apply_filters( 'wp_nav_menu_items', $items, $args );

/**

* Filter the HTML list content for a specific navigation menu.

* @since 3.0.0

* @see wp_nav_menu()

* @param string $items The HTML list content for the menu items.

* @param object $args An object containing wp_nav_menu() arguments.

$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );

// Don't print any markup if there are no items at this point.

if ( empty( $items ) )

return false;

$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );

unset( $items );

if ( $show_container )

$nav_menu .= '</' . $args->container . '>';

/**

* Filter the HTML content for navigation menus.

* @since 3.0.0

* @see wp_nav_menu()

* @param string $nav_menu The HTML content for the navigation menu.

* @param object $args An object containing wp_nav_menu() arguments.

$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );

if ( $args->echo )

echo $nav_menu;

else

return $nav_menu;

}

/**

* Add the class property classes for the current context, if applicable.

* @access private

* @since 3.0.0

* @param array $menu_items The current menu item objects to which to add the class property information.

function _wp_menu_item_classes_by_context( &$menu_items ) {

global $wp_query, $wp_rewrite;

$queried_object = $wp_query->get_queried_object();

$queried_object_id = (int) $wp_query->queried_object_id;

$active_object = '';

$active_ancestor_item_ids = array();

$active_parent_item_ids = array();

$active_parent_object_ids = array();

$possible_taxonomy_ancestors = array();

$possible_object_parents = array();

$home_page_id = (int) get_option( 'page_for_posts' );

if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {

foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {

if ( is_taxonomy_hierarchical( $taxonomy ) ) {

$term_hierarchy = _get_term_hierarchy( $taxonomy );

$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );

if ( is_array( $terms ) ) {

$possible_object_parents = array_merge( $possible_object_parents, $terms );

$term_to_ancestor = array();

foreach ( (array) $term_hierarchy as $anc => $descs ) {

foreach ( (array) $descs as $desc )

$term_to_ancestor[ $desc ] = $anc;

}

foreach ( $terms as $desc ) {

do {

$possible_taxonomy_ancestors[ $taxonomy ][] = $desc;

if ( isset( $term_to_ancestor[ $desc ] ) ) {

$_desc = $term_to_ancestor[ $desc ];

unset( $term_to_ancestor[ $desc ] );

$desc = $_desc;

} else {

$desc = 0;

}

} while ( ! empty( $desc ) );

}

} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {

$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy );

$term_to_ancestor = array();

foreach ( (array) $term_hierarchy as $anc => $descs ) {

foreach ( (array) $descs as $desc )

$term_to_ancestor[ $desc ] = $anc;

}

$desc = $queried_object->term_id;

do {

$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc;

if ( isset( $term_to_ancestor[ $desc ] ) ) {

$_desc = $term_to_ancestor[ $desc ];

unset( $term_to_ancestor[ $desc ] );

$desc = $_desc;

} else {

$desc = 0;

}

} while ( ! empty( $desc ) );

}

$possible_object_parents = array_filter( $possible_object_parents );

$front_page_url = home_url();

foreach ( (array) $menu_items as $key => $menu_item ) {

$menu_items[$key]->current = false;

$classes = (array) $menu_item->classes;

$classes[] = 'menu-item';

$classes[] = 'menu-item-type-' . $menu_item->type;

$classes[] = 'menu-item-object-' . $menu_item->object;

// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object

if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {

$active_parent_object_ids[] = (int) $menu_item->object_id;

$active_parent_item_ids[] = (int) $menu_item->db_id;

$active_object = $queried_object->post_type;

// if the menu item corresponds to the currently-queried post or taxonomy object

} elseif (

$menu_item->object_id == $queried_object_id &&

(

( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) ||

( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||

( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object )

)

) {

$classes[] = 'current-menu-item';

$menu_items[$key]->current = true;

$_anc_id = (int) $menu_item->db_id;

while(

( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&

! in_array( $_anc_id, $active_ancestor_item_ids )

) {

$active_ancestor_item_ids[] = $_anc_id;

}

if ( 'post_type' == $menu_item->type && 'page' == $menu_item->object ) {

// Back compat classes for pages to match wp_page_menu()

$classes[] = 'page_item';

$classes[] = 'page-item-' . $menu_item->object_id;

$classes[] = 'current_page_item';

}

$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;

$active_parent_object_ids[] = (int) $menu_item->post_parent;

$active_object = $menu_item->object;

// if the menu item corresponds to the currently-requested URL

} elseif ( 'custom' == $menu_item->object ) {

$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );

$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );

$raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;

$item_url = untrailingslashit( $raw_item_url );

$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );

if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) {

$classes[] = 'current-menu-item';

$menu_items[$key]->current = true;

$_anc_id = (int) $menu_item->db_id;

while(

( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&

! in_array( $_anc_id, $active_ancestor_item_ids )

) {

$active_ancestor_item_ids[] = $_anc_id;

}

if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {

// Back compat for home link to match wp_page_menu()

$classes[] = 'current_page_item';

}

$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;

$active_parent_object_ids[] = (int) $menu_item->post_parent;

$active_object = $menu_item->object;

// give front page item current-menu-item class when extra query arguments involved

} elseif ( $item_url == $front_page_url && is_front_page() ) {

$classes[] = 'current-menu-item';

}

if ( untrailingslashit($item_url) == home_url() )

$classes[] = 'menu-item-home';

}

// back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query

if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id )

$classes[] = 'current_page_parent';

$menu_items[$key]->classes = array_unique( $classes );

}

$active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) );

$active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );

$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );

// set parent's class

foreach ( (array) $menu_items as $key => $parent_item ) {

$classes = (array) $parent_item->classes;

$menu_items[$key]->current_item_ancestor = false;

$menu_items[$key]->current_item_parent = false;

if (

isset( $parent_item->type ) &&

(

// ancestral post object

(

'post_type' == $parent_item->type &&

! empty( $queried_object->post_type ) &&

is_post_type_hierarchical( $queried_object->post_type ) &&

in_array( $parent_item->object_id, $queried_object->ancestors ) &&

$parent_item->object != $queried_object->ID

) ||

// ancestral term

(

'taxonomy' == $parent_item->type &&

isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&

in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&

(

! isset( $queried_object->term_id ) ||

$parent_item->object_id != $queried_object->term_id

)

) {

$classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor';

}

if ( in_array( intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) {

$classes[] = 'current-menu-ancestor';

$menu_items[$key]->current_item_ancestor = true;

}

if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) {

$classes[] = 'current-menu-parent';

$menu_items[$key]->current_item_parent = true;

}

if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )

$classes[] = 'current-' . $active_object . '-parent';

if ( 'post_type' == $parent_item->type && 'page' == $parent_item->object ) {

// Back compat classes for pages to match wp_page_menu()

if ( in_array('current-menu-parent', $classes) )

$classes[] = 'current_page_parent';

if ( in_array('current-menu-ancestor', $classes) )

$classes[] = 'current_page_ancestor';

}

$menu_items[$key]->classes = array_unique( $classes );

}

/**

* Retrieve the HTML list content for nav menu items.

* @uses Walker_Nav_Menu to create HTML list content.

* @since 3.0.0

* @see Walker::walk() for parameters and return description.

function walk_nav_menu_tree( $items, $depth, $r ) {

$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker;

$args = array( $items, $depth, $r );

return call_user_func_array( array($walker, 'walk'), $args );

}

/**

* Prevents a menu item ID from being used more than once.

* @since 3.0.1

* @access private

function _nav_menu_item_id_use_once( $id, $item ) {

static $_used_ids = array();

if ( in_array( $item->ID, $_used_ids ) )

return '';

$_used_ids[] = $item->ID;

return $id;

}

add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );

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