WordPressを読む　12-1 /blog/wp-includes/class-wp.php 1

2014/11/28 2014/11/29

1 クラス　WP
2 定義ファイル : /blog/wp-includes/class-wp.php 1
3 読込元 : /blog/wp-settings.php

クラス　WP

定義ファイル : /blog/wp-includes/class-wp.php 1

読込元 : /blog/wp-settings.php

<?php
 // WordPress environment setup class.
class WP {
	public $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type');
	public $private_query_vars = array( 'offset', 'posts_per_page', 'posts_per_archive_page', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm', 'comments_per_page', 'post__in', 'post__not_in', 'post_parent', 'post_parent__in', 'post_parent__not_in' );
	public $extra_query_vars = array();
	public $query_vars;
	public $query_string;
	public $request;
	public $matched_rule;
	public $matched_query;
	public $did_permalink = false;

<?php

// WordPress environment setup class.

class WP {

public $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type');

public $private_query_vars = array( 'offset', 'posts_per_page', 'posts_per_archive_page', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm', 'comments_per_page', 'post__in', 'post__not_in', 'post_parent', 'post_parent__in', 'post_parent__not_in' );

public $extra_query_vars = array();

public $query_vars;

public $query_string;

public $request;

public $matched_rule;

public $matched_query;

public $did_permalink = false;

メソッド
WP::add_query_var()

	public function add_query_var($qv) {
		if ( !in_array($qv, $this->public_query_vars) )
			$this->public_query_vars[] = $qv;
	}

public function add_query_var($qv) {

if ( !in_array($qv, $this->public_query_vars) )

$this->public_query_vars[] = $qv;

}

メソッド
WP::set_query_var()

	public function set_query_var($key, $value) {
		$this->query_vars[$key] = $value;
	}

public function set_query_var($key, $value) {

$this->query_vars[$key] = $value;

}

メソッド
WP::parse_request()

	public function parse_request($extra_query_vars = '') {
		global $wp_rewrite;
		if ( ! apply_filters( 'do_parse_request', true, $this, $extra_query_vars ) )
			return;
		$this->query_vars = array();
		$post_type_query_vars = array();
		if ( is_array($extra_query_vars) )
			$this->extra_query_vars = & $extra_query_vars;
		else if (! empty($extra_query_vars))
			parse_str($extra_query_vars, $this->extra_query_vars);
		// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
		// Fetch the rewrite rules.
		$rewrite = $wp_rewrite->wp_rewrite_rules();
		if ( ! empty($rewrite) ) {
			// If we match a rewrite rule, this will be cleared.
			$error = '404';
			$this->did_permalink = true;
			$pathinfo = isset( $_SERVER['PATH_INFO'] ) ? $_SERVER['PATH_INFO'] : '';
			list( $pathinfo ) = explode( '?', $pathinfo );
			$pathinfo = str_replace( "%", "%25", $pathinfo );
			list( $req_uri ) = explode( '?', $_SERVER['REQUEST_URI'] );
			$self = $_SERVER['PHP_SELF'];
			$home_path = trim( parse_url( home_url(), PHP_URL_PATH ), '/' );
			// Trim path info from the end and the leading home path from the
			// front. For path info requests, this leaves us with the requesting
			// filename, if any. For 404 requests, this leaves us with the
			// requested permalink.
			$req_uri = str_replace($pathinfo, '', $req_uri);
			$req_uri = trim($req_uri, '/');
			$req_uri = preg_replace("|^$home_path|i", '', $req_uri);
			$req_uri = trim($req_uri, '/');
			$pathinfo = trim($pathinfo, '/');
			$pathinfo = preg_replace("|^$home_path|i", '', $pathinfo);
			$pathinfo = trim($pathinfo, '/');
			$self = trim($self, '/');
			$self = preg_replace("|^$home_path|i", '', $self);
			$self = trim($self, '/');

			// The requested permalink is in $pathinfo for path info requests and
			//  $req_uri for other requests.
			if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
				$request = $pathinfo;
			} else {
				// If the request uri is the index, blank it out so that we don't try to match it against a rule.
				if ( $req_uri == $wp_rewrite->index )
					$req_uri = '';
				$request = $req_uri;
			}

			$this->request = $request;

			// Look for matches.
			$request_match = $request;
			if ( empty( $request_match ) ) {
				// An empty request could only match against ^$ regex
				if ( isset( $rewrite['$'] ) ) {
					$this->matched_rule = '$';
					$query = $rewrite['$'];
					$matches = array('');
				}
			} else {
				foreach ( (array) $rewrite as $match => $query ) {
					// If the requesting file is the anchor of the match, prepend it to the path info.
					if ( ! empty($req_uri) && strpos($match, $req_uri) === 0 && $req_uri != $request )
						$request_match = $req_uri . '/' . $request;

					if ( preg_match("#^$match#", $request_match, $matches) ||
						preg_match("#^$match#", urldecode($request_match), $matches) ) {

						if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
							// this is a verbose page match, lets check to be sure about it
							if ( ! get_page_by_path( $matches[ $varmatch[1] ] ) )
						 		continue;
						}

						// Got a match.
						$this->matched_rule = $match;
						break;
					}
				}
			}

			if ( isset( $this->matched_rule ) ) {
				// Trim the query of everything up to the '?'.
				$query = preg_replace("!^.+\?!", '', $query);

				// Substitute the substring matches into the query.
				$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));

				$this->matched_query = $query;

				// Parse the query.
				parse_str($query, $perma_query_vars);

				// If we're processing a 404 request, clear the error var since we found something.
				if ( '404' == $error )
					unset( $error, $_GET['error'] );
			}

			// If req_uri is empty or if it is a request for ourself, unset error.
			if ( empty($request) || $req_uri == $self || strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false ) {
				unset( $error, $_GET['error'] );

				if ( isset($perma_query_vars) && strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false )
					unset( $perma_query_vars );

				$this->did_permalink = false;
			}
		}
		$this->public_query_vars = apply_filters( 'query_vars', $this->public_query_vars );

		foreach ( get_post_types( array(), 'objects' ) as $post_type => $t )
			if ( $t->query_var )
				$post_type_query_vars[$t->query_var] = $post_type;

		foreach ( $this->public_query_vars as $wpvar ) {
			if ( isset( $this->extra_query_vars[$wpvar] ) )
				$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
			elseif ( isset( $_POST[$wpvar] ) )
				$this->query_vars[$wpvar] = $_POST[$wpvar];
			elseif ( isset( $_GET[$wpvar] ) )
				$this->query_vars[$wpvar] = $_GET[$wpvar];
			elseif ( isset( $perma_query_vars[$wpvar] ) )
				$this->query_vars[$wpvar] = $perma_query_vars[$wpvar];

			if ( !empty( $this->query_vars[$wpvar] ) ) {
				if ( ! is_array( $this->query_vars[$wpvar] ) ) {
					$this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
				} else {
					foreach ( $this->query_vars[$wpvar] as $vkey => $v ) {
						if ( !is_object( $v ) ) {
							$this->query_vars[$wpvar][$vkey] = (string) $v;
						}
					}
				}

				if ( isset($post_type_query_vars[$wpvar] ) ) {
					$this->query_vars['post_type'] = $post_type_query_vars[$wpvar];
					$this->query_vars['name'] = $this->query_vars[$wpvar];
				}
			}
		}

		// Convert urldecoded spaces back into +
		foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t )
			if ( $t->query_var && isset( $this->query_vars[$t->query_var] ) )
				$this->query_vars[$t->query_var] = str_replace( ' ', '+', $this->query_vars[$t->query_var] );

		// Limit publicly queried post_types to those that are publicly_queryable
		if ( isset( $this->query_vars['post_type']) ) {
			$queryable_post_types = get_post_types( array('publicly_queryable' => true) );
			if ( ! is_array( $this->query_vars['post_type'] ) ) {
				if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) )
					unset( $this->query_vars['post_type'] );
			} else {
				$this->query_vars['post_type'] = array_intersect( $this->query_vars['post_type'], $queryable_post_types );
			}
		}

		foreach ( (array) $this->private_query_vars as $var) {
			if ( isset($this->extra_query_vars[$var]) )
				$this->query_vars[$var] = $this->extra_query_vars[$var];
		}

		if ( isset($error) )
			$this->query_vars['error'] = $error;
		$this->query_vars = apply_filters( 'request', $this->query_vars );
		do_action_ref_array( 'parse_request', array( &$this ) );
	}

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public function parse_request($extra_query_vars = '') {

global $wp_rewrite;

if ( ! apply_filters( 'do_parse_request', true, $this, $extra_query_vars ) )

return;

$this->query_vars = array();

$post_type_query_vars = array();

if ( is_array($extra_query_vars) )

$this->extra_query_vars = & $extra_query_vars;

else if (! empty($extra_query_vars))

parse_str($extra_query_vars, $this->extra_query_vars);

// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.

// Fetch the rewrite rules.

$rewrite = $wp_rewrite->wp_rewrite_rules();

if ( ! empty($rewrite) ) {

// If we match a rewrite rule, this will be cleared.

$error = '404';

$this->did_permalink = true;

$pathinfo = isset( $_SERVER['PATH_INFO'] ) ? $_SERVER['PATH_INFO'] : '';

list( $pathinfo ) = explode( '?', $pathinfo );

$pathinfo = str_replace( "%", "%25", $pathinfo );

list( $req_uri ) = explode( '?', $_SERVER['REQUEST_URI'] );

$self = $_SERVER['PHP_SELF'];

$home_path = trim( parse_url( home_url(), PHP_URL_PATH ), '/' );

// Trim path info from the end and the leading home path from the

// front. For path info requests, this leaves us with the requesting

// filename, if any. For 404 requests, this leaves us with the

// requested permalink.

$req_uri = str_replace($pathinfo, '', $req_uri);

$req_uri = trim($req_uri, '/');

$req_uri = preg_replace("|^$home_path|i", '', $req_uri);

$req_uri = trim($req_uri, '/');

$pathinfo = trim($pathinfo, '/');

$pathinfo = preg_replace("|^$home_path|i", '', $pathinfo);

$pathinfo = trim($pathinfo, '/');

$self = trim($self, '/');

$self = preg_replace("|^$home_path|i", '', $self);

$self = trim($self, '/');

// The requested permalink is in $pathinfo for path info requests and

// $req_uri for other requests.

if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {

$request = $pathinfo;

} else {

// If the request uri is the index, blank it out so that we don't try to match it against a rule.

if ( $req_uri == $wp_rewrite->index )

$req_uri = '';

$request = $req_uri;

}

$this->request = $request;

// Look for matches.

$request_match = $request;

if ( empty( $request_match ) ) {

// An empty request could only match against ^$ regex

if ( isset( $rewrite['$'] ) ) {

$this->matched_rule = '$';

$query = $rewrite['$'];

$matches = array('');

}

} else {

foreach ( (array) $rewrite as $match => $query ) {

// If the requesting file is the anchor of the match, prepend it to the path info.

if ( ! empty($req_uri) && strpos($match, $req_uri) === 0 && $req_uri != $request )

$request_match = $req_uri . '/' . $request;

if ( preg_match("#^$match#", $request_match, $matches) ||

preg_match("#^$match#", urldecode($request_match), $matches) ) {

if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {

// this is a verbose page match, lets check to be sure about it

if ( ! get_page_by_path( $matches[ $varmatch[1] ] ) )

continue;

}

// Got a match.

$this->matched_rule = $match;

break;

}

if ( isset( $this->matched_rule ) ) {

// Trim the query of everything up to the '?'.

$query = preg_replace("!^.+\?!", '', $query);

// Substitute the substring matches into the query.

$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));

$this->matched_query = $query;

// Parse the query.

parse_str($query, $perma_query_vars);

// If we're processing a 404 request, clear the error var since we found something.

if ( '404' == $error )

unset( $error, $_GET['error'] );

}

// If req_uri is empty or if it is a request for ourself, unset error.

if ( empty($request) || $req_uri == $self || strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false ) {

unset( $error, $_GET['error'] );

if ( isset($perma_query_vars) && strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false )

unset( $perma_query_vars );

$this->did_permalink = false;

}

$this->public_query_vars = apply_filters( 'query_vars', $this->public_query_vars );

foreach ( get_post_types( array(), 'objects' ) as $post_type => $t )

if ( $t->query_var )

$post_type_query_vars[$t->query_var] = $post_type;

foreach ( $this->public_query_vars as $wpvar ) {

if ( isset( $this->extra_query_vars[$wpvar] ) )

$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];

elseif ( isset( $_POST[$wpvar] ) )

$this->query_vars[$wpvar] = $_POST[$wpvar];

elseif ( isset( $_GET[$wpvar] ) )

$this->query_vars[$wpvar] = $_GET[$wpvar];

elseif ( isset( $perma_query_vars[$wpvar] ) )

$this->query_vars[$wpvar] = $perma_query_vars[$wpvar];

if ( !empty( $this->query_vars[$wpvar] ) ) {

if ( ! is_array( $this->query_vars[$wpvar] ) ) {

$this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];

} else {

foreach ( $this->query_vars[$wpvar] as $vkey => $v ) {

if ( !is_object( $v ) ) {

$this->query_vars[$wpvar][$vkey] = (string) $v;

}

if ( isset($post_type_query_vars[$wpvar] ) ) {

$this->query_vars['post_type'] = $post_type_query_vars[$wpvar];

$this->query_vars['name'] = $this->query_vars[$wpvar];

}

// Convert urldecoded spaces back into +

foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t )

if ( $t->query_var && isset( $this->query_vars[$t->query_var] ) )

$this->query_vars[$t->query_var] = str_replace( ' ', '+', $this->query_vars[$t->query_var] );

// Limit publicly queried post_types to those that are publicly_queryable

if ( isset( $this->query_vars['post_type']) ) {

$queryable_post_types = get_post_types( array('publicly_queryable' => true) );

if ( ! is_array( $this->query_vars['post_type'] ) ) {

if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) )

unset( $this->query_vars['post_type'] );

} else {

$this->query_vars['post_type'] = array_intersect( $this->query_vars['post_type'], $queryable_post_types );

}

foreach ( (array) $this->private_query_vars as $var) {

if ( isset($this->extra_query_vars[$var]) )

$this->query_vars[$var] = $this->extra_query_vars[$var];

}

if ( isset($error) )

$this->query_vars['error'] = $error;

$this->query_vars = apply_filters( 'request', $this->query_vars );

do_action_ref_array( 'parse_request', array( &$this ) );

}

メソッド
WP::send_headers()

	public function send_headers() {
		$headers = array('X-Pingback' => get_bloginfo('pingback_url'));
		$status = null;
		$exit_required = false;

		if ( is_user_logged_in() )
			$headers = array_merge($headers, wp_get_nocache_headers());
		if ( ! empty( $this->query_vars['error'] ) ) {
			$status = (int) $this->query_vars['error'];
			if ( 404 === $status ) {
				if ( ! is_user_logged_in() )
					$headers = array_merge($headers, wp_get_nocache_headers());
				$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
			} elseif ( in_array( $status, array( 403, 500, 502, 503 ) ) ) {
				$exit_required = true;
			}
		} else if ( empty($this->query_vars['feed']) ) {
			$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
		} else {
			// We're showing a feed, so WP is indeed the only thing that last changed
			if ( !empty($this->query_vars['withcomments'])
				|| false !== strpos( $this->query_vars['feed'], 'comments-' )
				|| ( empty($this->query_vars['withoutcomments'])
					&& ( !empty($this->query_vars['p'])
						|| !empty($this->query_vars['name'])
						|| !empty($this->query_vars['page_id'])
						|| !empty($this->query_vars['pagename'])
						|| !empty($this->query_vars['attachment'])
						|| !empty($this->query_vars['attachment_id'])
					)
				)
			)
				$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
			else
				$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
			$wp_etag = '"' . md5($wp_last_modified) . '"';
			$headers['Last-Modified'] = $wp_last_modified;
			$headers['ETag'] = $wp_etag;

			// Support for Conditional GET
			if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
				$client_etag = wp_unslash( $_SERVER['HTTP_IF_NONE_MATCH'] );
			else $client_etag = false;

			$client_last_modified = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? '' : trim($_SERVER['HTTP_IF_MODIFIED_SINCE']);
			// If string is empty, return 0. If not, attempt to parse into a timestamp
			$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;

			// Make a timestamp for our most recent modification...
			$wp_modified_timestamp = strtotime($wp_last_modified);

			if ( ($client_last_modified && $client_etag) ?
					 (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
					 (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
				$status = 304;
				$exit_required = true;
			}
		}

		$headers = apply_filters( 'wp_headers', $headers, $this );

		if ( ! empty( $status ) )
			status_header( $status );

		// If Last-Modified is set to false, it should not be sent (no-cache situation).
		if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
			unset( $headers['Last-Modified'] );

			// In PHP 5.3+, make sure we are not sending a Last-Modified header.
			if ( function_exists( 'header_remove' ) ) {
				@header_remove( 'Last-Modified' );
			} else {
				// In PHP 5.2, send an empty Last-Modified header, but only as a
				// last resort to override a header already sent. #WP23021
				foreach ( headers_list() as $header ) {
					if ( 0 === stripos( $header, 'Last-Modified' ) ) {
						$headers['Last-Modified'] = '';
						break;
					}
				}
			}
		}

		foreach( (array) $headers as $name => $field_value )
			@header("{$name}: {$field_value}");

		if ( $exit_required )
			exit();
		do_action_ref_array( 'send_headers', array( &$this ) );
	}

	public function build_query_string() {
		$this->query_string = '';
		foreach ( (array) array_keys($this->query_vars) as $wpvar) {
			if ( '' != $this->query_vars[$wpvar] ) {
				$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
				if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.
					continue;
				$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
			}
		}

		if ( has_filter( 'query_string' ) ) {  // Don't bother filtering and parsing if no plugins are hooked in.
			$this->query_string = apply_filters( 'query_string', $this->query_string );
			parse_str($this->query_string, $this->query_vars);
		}
	}

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public function send_headers() {

$headers = array('X-Pingback' => get_bloginfo('pingback_url'));

$status = null;

$exit_required = false;

if ( is_user_logged_in() )

$headers = array_merge($headers, wp_get_nocache_headers());

if ( ! empty( $this->query_vars['error'] ) ) {

$status = (int) $this->query_vars['error'];

if ( 404 === $status ) {

if ( ! is_user_logged_in() )

$headers = array_merge($headers, wp_get_nocache_headers());

$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');

} elseif ( in_array( $status, array( 403, 500, 502, 503 ) ) ) {

$exit_required = true;

}

} else if ( empty($this->query_vars['feed']) ) {

$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');

} else {

// We're showing a feed, so WP is indeed the only thing that last changed

if ( !empty($this->query_vars['withcomments'])

|| false !== strpos( $this->query_vars['feed'], 'comments-' )

|| ( empty($this->query_vars['withoutcomments'])

&& ( !empty($this->query_vars['p'])

|| !empty($this->query_vars['name'])

|| !empty($this->query_vars['page_id'])

|| !empty($this->query_vars['pagename'])

|| !empty($this->query_vars['attachment'])

|| !empty($this->query_vars['attachment_id'])

)

$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';

else

$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';

$wp_etag = '"' . md5($wp_last_modified) . '"';

$headers['Last-Modified'] = $wp_last_modified;

$headers['ETag'] = $wp_etag;

// Support for Conditional GET

if (isset($_SERVER['HTTP_IF_NONE_MATCH']))

$client_etag = wp_unslash( $_SERVER['HTTP_IF_NONE_MATCH'] );

else $client_etag = false;

$client_last_modified = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? '' : trim($_SERVER['HTTP_IF_MODIFIED_SINCE']);

// If string is empty, return 0. If not, attempt to parse into a timestamp

$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;

// Make a timestamp for our most recent modification...

$wp_modified_timestamp = strtotime($wp_last_modified);

if ( ($client_last_modified && $client_etag) ?

(($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :

(($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {

$status = 304;

$exit_required = true;

}

$headers = apply_filters( 'wp_headers', $headers, $this );

if ( ! empty( $status ) )

status_header( $status );

// If Last-Modified is set to false, it should not be sent (no-cache situation).

if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {

unset( $headers['Last-Modified'] );

// In PHP 5.3+, make sure we are not sending a Last-Modified header.

if ( function_exists( 'header_remove' ) ) {

@header_remove( 'Last-Modified' );

} else {

// In PHP 5.2, send an empty Last-Modified header, but only as a

// last resort to override a header already sent. #WP23021

foreach ( headers_list() as $header ) {

if ( 0 === stripos( $header, 'Last-Modified' ) ) {

$headers['Last-Modified'] = '';

break;

}

foreach( (array) $headers as $name => $field_value )

@header("{$name}: {$field_value}");

if ( $exit_required )

exit();

do_action_ref_array( 'send_headers', array( &$this ) );

}

public function build_query_string() {

$this->query_string = '';

foreach ( (array) array_keys($this->query_vars) as $wpvar) {

if ( '' != $this->query_vars[$wpvar] ) {

$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';

if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.

continue;

$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);

}

if ( has_filter( 'query_string' ) ) { // Don't bother filtering and parsing if no plugins are hooked in.

$this->query_string = apply_filters( 'query_string', $this->query_string );

parse_str($this->query_string, $this->query_vars);

}

メソッド
WP::register_globals()

	public function register_globals() {
		global $wp_query;

		// Extract updated query vars back into global namespace.
		foreach ( (array) $wp_query->query_vars as $key => $value ) {
			$GLOBALS[ $key ] = $value;
		}

		$GLOBALS['query_string'] = $this->query_string;
		$GLOBALS['posts'] = & $wp_query->posts;
		$GLOBALS['post'] = isset( $wp_query->post ) ? $wp_query->post : null;
		$GLOBALS['request'] = $wp_query->request;

		if ( $wp_query->is_single() || $wp_query->is_page() ) {
			$GLOBALS['more']   = 1;
			$GLOBALS['single'] = 1;
		}

		if ( $wp_query->is_author() && isset( $wp_query->post ) )
			$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );
	}

public function register_globals() {

global $wp_query;

// Extract updated query vars back into global namespace.

foreach ( (array) $wp_query->query_vars as $key => $value ) {

$GLOBALS[ $key ] = $value;

}

$GLOBALS['query_string'] = $this->query_string;

$GLOBALS['posts'] = & $wp_query->posts;

$GLOBALS['post'] = isset( $wp_query->post ) ? $wp_query->post : null;

$GLOBALS['request'] = $wp_query->request;

if ( $wp_query->is_single() || $wp_query->is_page() ) {

$GLOBALS['more'] = 1;

$GLOBALS['single'] = 1;

}

if ( $wp_query->is_author() && isset( $wp_query->post ) )

$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );

}

メソッド
WP::init()

	public function init() {
		wp_get_current_user();
	}

public function init() {

wp_get_current_user();

}

メソッド
WP::query_posts()

	public function query_posts() {
		global $wp_the_query;
		$this->build_query_string();
		$wp_the_query->query($this->query_vars);
 	}

public function query_posts() {

global $wp_the_query;

$this->build_query_string();

$wp_the_query->query($this->query_vars);

}

メソッド
WP::handle_404()

	public function handle_404() {
		global $wp_query;

		// If we've already issued a 404, bail.
		if ( is_404() )
			return;

		// Never 404 for the admin, robots, or if we found posts.
		if ( is_admin() || is_robots() || $wp_query->posts ) {
			status_header( 200 );
			return;
		}

		// We will 404 for paged queries, as no posts were found.
		if ( ! is_paged() ) {

			// Don't 404 for authors without posts as long as they matched an author on this site.
			$author = get_query_var( 'author' );
			if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author ) ) {
				status_header( 200 );
				return;
			}

			// Don't 404 for these queries if they matched an object.
			if ( ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object() ) {
				status_header( 200 );
				return;
			}

			// Don't 404 for these queries either.
			if ( is_home() || is_search() || is_feed() ) {
				status_header( 200 );
				return;
			}
		}

		// Guess it's time to 404.
		$wp_query->set_404();
		status_header( 404 );
		nocache_headers();
	}

public function handle_404() {

global $wp_query;

// If we've already issued a 404, bail.

if ( is_404() )

return;

// Never 404 for the admin, robots, or if we found posts.

if ( is_admin() || is_robots() || $wp_query->posts ) {

status_header( 200 );

return;

}

// We will 404 for paged queries, as no posts were found.

if ( ! is_paged() ) {

// Don't 404 for authors without posts as long as they matched an author on this site.

$author = get_query_var( 'author' );

if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author ) ) {

status_header( 200 );

return;

}

// Don't 404 for these queries if they matched an object.

if ( ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object() ) {

status_header( 200 );

return;

}

// Don't 404 for these queries either.

if ( is_home() || is_search() || is_feed() ) {

status_header( 200 );

return;

}

// Guess it's time to 404.

$wp_query->set_404();

status_header( 404 );

nocache_headers();

}

メソッド
WP::main()

	public function main($query_args = '') {
		$this->init();
		$this->parse_request($query_args);
		$this->send_headers();
		$this->query_posts();
		$this->handle_404();
		$this->register_globals();
		do_action_ref_array( 'wp', array( &$this ) );
	}

}

public function main($query_args = '') {

$this->init();

$this->parse_request($query_args);

$this->send_headers();

$this->query_posts();

$this->handle_404();

$this->register_globals();

do_action_ref_array( 'wp', array( &$this ) );

}

- Wordpress

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WordPressを読む 12-1 /blog/wp-includes/class-wp.php 1

クラス WP

定義ファイル : /blog/wp-includes/class-wp.php 1

読込元 : /blog/wp-settings.php

WordPressを読む　12-1 /blog/wp-includes/class-wp.php 1

クラス　WP