WordPressを読む　10-11　/blog/wp-includes/functions.php 11

2014/11/23 2014/11/29

1 /blog/wp-includes/functions.php 11
2 読込元 : /blog/wp-settings.php
3 読込元 : /blog/wp-load.php
4 wp_ext2type()
5 wp_check_filetype()
6 wp_check_filetype_and_ext()
7 wp_get_mime_types()

/blog/wp-includes/functions.php 11

読込元 : /blog/wp-settings.php

読込元 : /blog/wp-load.php

関数

wp_ext2type()

/**
 * Retrieve the file type based on the extension name.
 *
 * @since 2.5.0
 *
 * @param string $ext The extension to search.
 * @return string|null The file type, example: audio, video, document, spreadsheet, etc.
 *                     Null if not found.
 */
function wp_ext2type( $ext ) {
	$ext = strtolower( $ext );

	/**
	 * Filter file type based on the extension name.
	 *
	 * @since 2.5.0
	 *
	 * @see wp_ext2type()
	 *
	 * @param array $ext2type Multi-dimensional array with extensions for a default set
	 *                        of file types.
	 */
	$ext2type = apply_filters( 'ext2type', array(
		'image'       => array( 'jpg', 'jpeg', 'jpe',  'gif',  'png',  'bmp',   'tif',  'tiff', 'ico' ),
		'audio'       => array( 'aac', 'ac3',  'aif',  'aiff', 'm3a',  'm4a',   'm4b',  'mka',  'mp1',  'mp2',  'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
		'video'       => array( '3g2',  '3gp', '3gpp', 'asf', 'avi',  'divx', 'dv',   'flv',  'm4v',   'mkv',  'mov',  'mp4',  'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt',  'rm', 'vob', 'wmv' ),
		'document'    => array( 'doc', 'docx', 'docm', 'dotm', 'odt',  'pages', 'pdf',  'xps',  'oxps', 'rtf',  'wp',   'wpd' ),
		'spreadsheet' => array( 'numbers',     'ods',  'xls',  'xlsx', 'xlsm',  'xlsb' ),
		'interactive' => array( 'swf', 'key',  'ppt',  'pptx', 'pptm', 'pps',   'ppsx', 'ppsm', 'sldx', 'sldm', 'odp' ),
		'text'        => array( 'asc', 'csv',  'tsv',  'txt' ),
		'archive'     => array( 'bz2', 'cab',  'dmg',  'gz',   'rar',  'sea',   'sit',  'sqx',  'tar',  'tgz',  'zip', '7z' ),
		'code'        => array( 'css', 'htm',  'html', 'php',  'js' ),
	) );

	foreach ( $ext2type as $type => $exts )
		if ( in_array( $ext, $exts ) )
			return $type;

	return null;
}

/**

* Retrieve the file type based on the extension name.

* @since 2.5.0

* @param string $ext The extension to search.

* @return string|null The file type, example: audio, video, document, spreadsheet, etc.

* Null if not found.

function wp_ext2type( $ext ) {

$ext = strtolower( $ext );

/**

* Filter file type based on the extension name.

* @since 2.5.0

* @see wp_ext2type()

* @param array $ext2type Multi-dimensional array with extensions for a default set

* of file types.

$ext2type = apply_filters( 'ext2type', array(

'image' => array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'bmp', 'tif', 'tiff', 'ico' ),

'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),

'video' => array( '3g2', '3gp', '3gpp', 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ),

'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'xps', 'oxps', 'rtf', 'wp', 'wpd' ),

'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsm', 'xlsb' ),

'interactive' => array( 'swf', 'key', 'ppt', 'pptx', 'pptm', 'pps', 'ppsx', 'ppsm', 'sldx', 'sldm', 'odp' ),

'text' => array( 'asc', 'csv', 'tsv', 'txt' ),

'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip', '7z' ),

'code' => array( 'css', 'htm', 'html', 'php', 'js' ),

) );

foreach ( $ext2type as $type => $exts )

if ( in_array( $ext, $exts ) )

return $type;

return null;

}

関数

wp_check_filetype()

/**
 * Retrieve the file type from the file name.
 *
 * You can optionally define the mime array, if needed.
 *
 * @since 2.0.4
 *
 * @param string $filename File name or path.
 * @param array  $mimes    Optional. Key is the file extension with value as the mime type.
 * @return array Values with extension first and mime type.
 */
function wp_check_filetype( $filename, $mimes = null ) {
	if ( empty($mimes) )
		$mimes = get_allowed_mime_types();
	$type = false;
	$ext = false;

	foreach ( $mimes as $ext_preg => $mime_match ) {
		$ext_preg = '!\.(' . $ext_preg . ')$!i';
		if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
			$type = $mime_match;
			$ext = $ext_matches[1];
			break;
		}
	}

	return compact( 'ext', 'type' );
}

/**

* Retrieve the file type from the file name.

* You can optionally define the mime array, if needed.

* @since 2.0.4

* @param string $filename File name or path.

* @param array $mimes Optional. Key is the file extension with value as the mime type.

* @return array Values with extension first and mime type.

function wp_check_filetype( $filename, $mimes = null ) {

if ( empty($mimes) )

$mimes = get_allowed_mime_types();

$type = false;

$ext = false;

foreach ( $mimes as $ext_preg => $mime_match ) {

$ext_preg = '!\.(' . $ext_preg . ')$!i';

if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {

$type = $mime_match;

$ext = $ext_matches[1];

break;

}

return compact( 'ext', 'type' );

}

関数

wp_check_filetype_and_ext()

/**
 * Attempt to determine the real file type of a file.
 *
 * If unable to, the file name extension will be used to determine type.
 *
 * If it's determined that the extension does not match the file's real type,
 * then the "proper_filename" value will be set with a proper filename and extension.
 *
 * Currently this function only supports validating images known to getimagesize().
 *
 * @since 3.0.0
 *
 * @param string $file     Full path to the file.
 * @param string $filename The name of the file (may differ from $file due to $file being
 *                         in a tmp directory).
 * @param array   $mimes   Optional. Key is the file extension with value as the mime type.
 * @return array Values for the extension, MIME, and either a corrected filename or false
 *               if original $filename is valid.
 */
function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {

	$proper_filename = false;

	// Do basic extension validation and MIME mapping
	$wp_filetype = wp_check_filetype( $filename, $mimes );
	$ext = $wp_filetype['ext'];
	$type = $wp_filetype['type'];

	// We can't do any further validation without a file to work with
	if ( ! file_exists( $file ) ) {
		return compact( 'ext', 'type', 'proper_filename' );
	}

	// We're able to validate images using GD
	if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {

		// Attempt to figure out what type of image it actually is
		$imgstats = @getimagesize( $file );

		// If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME
		if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {
			/**
			 * Filter the list mapping image mime types to their respective extensions.
			 *
			 * @since 3.0.0
			 *
			 * @param  array $mime_to_ext Array of image mime types and their matching extensions.
			 */
			$mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(
				'image/jpeg' => 'jpg',
				'image/png'  => 'png',
				'image/gif'  => 'gif',
				'image/bmp'  => 'bmp',
				'image/tiff' => 'tif',
			) );

			// Replace whatever is after the last period in the filename with the correct extension
			if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) {
				$filename_parts = explode( '.', $filename );
				array_pop( $filename_parts );
				$filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];
				$new_filename = implode( '.', $filename_parts );

				if ( $new_filename != $filename ) {
					$proper_filename = $new_filename; // Mark that it changed
				}
				// Redefine the extension / MIME
				$wp_filetype = wp_check_filetype( $new_filename, $mimes );
				$ext = $wp_filetype['ext'];
				$type = $wp_filetype['type'];
			}
		}
	}

	/**
	 * Filter the "real" file type of the given file.
	 *
	 * @since 3.0.0
	 *
	 * @param array  $wp_check_filetype_and_ext File data array containing 'ext', 'type', and
	 *                                          'proper_filename' keys.
	 * @param string $file                      Full path to the file.
	 * @param string $filename                  The name of the file (may differ from $file due to
	 *                                          $file being in a tmp directory).
	 * @param array  $mimes                     Key is the file extension with value as the mime type.
	 */
	return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
}

/**

* Attempt to determine the real file type of a file.

* If unable to, the file name extension will be used to determine type.

* If it's determined that the extension does not match the file's real type,

* then the "proper_filename" value will be set with a proper filename and extension.

* Currently this function only supports validating images known to getimagesize().

* @since 3.0.0

* @param string $file Full path to the file.

* @param string $filename The name of the file (may differ from $file due to $file being

* in a tmp directory).

* @param array $mimes Optional. Key is the file extension with value as the mime type.

* @return array Values for the extension, MIME, and either a corrected filename or false

* if original $filename is valid.

function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {

$proper_filename = false;

// Do basic extension validation and MIME mapping

$wp_filetype = wp_check_filetype( $filename, $mimes );

$ext = $wp_filetype['ext'];

$type = $wp_filetype['type'];

// We can't do any further validation without a file to work with

if ( ! file_exists( $file ) ) {

return compact( 'ext', 'type', 'proper_filename' );

}

// We're able to validate images using GD

if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {

// Attempt to figure out what type of image it actually is

$imgstats = @getimagesize( $file );

// If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME

if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {

/**

* Filter the list mapping image mime types to their respective extensions.

* @since 3.0.0

* @param array $mime_to_ext Array of image mime types and their matching extensions.

$mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(

'image/jpeg' => 'jpg',

'image/png' => 'png',

'image/gif' => 'gif',

'image/bmp' => 'bmp',

'image/tiff' => 'tif',

) );

// Replace whatever is after the last period in the filename with the correct extension

if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) {

$filename_parts = explode( '.', $filename );

array_pop( $filename_parts );

$filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];

$new_filename = implode( '.', $filename_parts );

if ( $new_filename != $filename ) {

$proper_filename = $new_filename; // Mark that it changed

}

// Redefine the extension / MIME

$wp_filetype = wp_check_filetype( $new_filename, $mimes );

$ext = $wp_filetype['ext'];

$type = $wp_filetype['type'];

}

/**

* Filter the "real" file type of the given file.

* @since 3.0.0

* @param array $wp_check_filetype_and_ext File data array containing 'ext', 'type', and

* 'proper_filename' keys.

* @param string $file Full path to the file.

* @param string $filename The name of the file (may differ from $file due to

* $file being in a tmp directory).

* @param array $mimes Key is the file extension with value as the mime type.

return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );

}

関数

wp_get_mime_types()

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types() {
	/**
	 * Filter the list of mime types and file extensions.
	 *
	 * This filter should be used to add, not remove, mime types. To remove
	 * mime types, use the 'upload_mimes' filter.
	 *
	 * @since 3.5.0
	 *
	 * @param array $wp_get_mime_types Mime types keyed by the file extension regex
	 *                                 corresponding to those types.
	 */
	return apply_filters( 'mime_types', array(
	// Image formats.
	'jpg|jpeg|jpe' => 'image/jpeg',
	'gif' => 'image/gif',
	'png' => 'image/png',
	'bmp' => 'image/bmp',
	'tif|tiff' => 'image/tiff',
	'ico' => 'image/x-icon',
	// Video formats.
	'asf|asx' => 'video/x-ms-asf',
	'wmv' => 'video/x-ms-wmv',
	'wmx' => 'video/x-ms-wmx',
	'wm' => 'video/x-ms-wm',
	'avi' => 'video/avi',
	'divx' => 'video/divx',
	'flv' => 'video/x-flv',
	'mov|qt' => 'video/quicktime',
	'mpeg|mpg|mpe' => 'video/mpeg',
	'mp4|m4v' => 'video/mp4',
	'ogv' => 'video/ogg',
	'webm' => 'video/webm',
	'mkv' => 'video/x-matroska',
	'3gp|3gpp' => 'video/3gpp', // Can also be audio
	'3g2|3gp2' => 'video/3gpp2', // Can also be audio
	// Text formats.
	'txt|asc|c|cc|h|srt' => 'text/plain',
	'csv' => 'text/csv',
	'tsv' => 'text/tab-separated-values',
	'ics' => 'text/calendar',
	'rtx' => 'text/richtext',
	'css' => 'text/css',
	'htm|html' => 'text/html',
	'vtt' => 'text/vtt',
	'dfxp' => 'application/ttaf+xml',
	// Audio formats.
	'mp3|m4a|m4b' => 'audio/mpeg',
	'ra|ram' => 'audio/x-realaudio',
	'wav' => 'audio/wav',
	'ogg|oga' => 'audio/ogg',
	'mid|midi' => 'audio/midi',
	'wma' => 'audio/x-ms-wma',
	'wax' => 'audio/x-ms-wax',
	'mka' => 'audio/x-matroska',
	// Misc application formats.
	'rtf' => 'application/rtf',
	'js' => 'application/javascript',
	'pdf' => 'application/pdf',
	'swf' => 'application/x-shockwave-flash',
	'class' => 'application/java',
	'tar' => 'application/x-tar',
	'zip' => 'application/zip',
	'gz|gzip' => 'application/x-gzip',
	'rar' => 'application/rar',
	'7z' => 'application/x-7z-compressed',
	'exe' => 'application/x-msdownload',
	// MS Office formats.
	'doc' => 'application/msword',
	'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
	'wri' => 'application/vnd.ms-write',
	'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
	'mdb' => 'application/vnd.ms-access',
	'mpp' => 'application/vnd.ms-project',
	'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
	'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
	'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
	'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
	'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
	'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
	'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
	'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
	'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
	'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
	'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
	'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
	'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
	'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
	'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
	'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
	'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
	'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
	'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
	'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
	'oxps' => 'application/oxps',
	'xps' => 'application/vnd.ms-xpsdocument',
	// OpenOffice formats.
	'odt' => 'application/vnd.oasis.opendocument.text',
	'odp' => 'application/vnd.oasis.opendocument.presentation',
	'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
	'odg' => 'application/vnd.oasis.opendocument.graphics',
	'odc' => 'application/vnd.oasis.opendocument.chart',
	'odb' => 'application/vnd.oasis.opendocument.database',
	'odf' => 'application/vnd.oasis.opendocument.formula',
	// WordPerfect formats.
	'wp|wpd' => 'application/wordperfect',
	// iWork formats.
	'key' => 'application/vnd.apple.keynote',
	'numbers' => 'application/vnd.apple.numbers',
	'pages' => 'application/vnd.apple.pages',
	) );
}

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/**

* Retrieve list of mime types and file extensions.

* @since 3.5.0

* @return array Array of mime types keyed by the file extension regex corresponding to those types.

function wp_get_mime_types() {

/**

* Filter the list of mime types and file extensions.

* This filter should be used to add, not remove, mime types. To remove

* mime types, use the 'upload_mimes' filter.

* @since 3.5.0

* @param array $wp_get_mime_types Mime types keyed by the file extension regex

* corresponding to those types.

return apply_filters( 'mime_types', array(

// Image formats.

'jpg|jpeg|jpe' => 'image/jpeg',

'gif' => 'image/gif',

'png' => 'image/png',

'bmp' => 'image/bmp',

'tif|tiff' => 'image/tiff',

'ico' => 'image/x-icon',

// Video formats.

'asf|asx' => 'video/x-ms-asf',

'wmv' => 'video/x-ms-wmv',

'wmx' => 'video/x-ms-wmx',

'wm' => 'video/x-ms-wm',

'avi' => 'video/avi',

'divx' => 'video/divx',

'flv' => 'video/x-flv',

'mov|qt' => 'video/quicktime',

'mpeg|mpg|mpe' => 'video/mpeg',

'mp4|m4v' => 'video/mp4',

'ogv' => 'video/ogg',

'webm' => 'video/webm',

'mkv' => 'video/x-matroska',

'3gp|3gpp' => 'video/3gpp', // Can also be audio

'3g2|3gp2' => 'video/3gpp2', // Can also be audio

// Text formats.

'txt|asc|c|cc|h|srt' => 'text/plain',

'csv' => 'text/csv',

'tsv' => 'text/tab-separated-values',

'ics' => 'text/calendar',

'rtx' => 'text/richtext',

'css' => 'text/css',

'htm|html' => 'text/html',

'vtt' => 'text/vtt',

'dfxp' => 'application/ttaf+xml',

// Audio formats.

'mp3|m4a|m4b' => 'audio/mpeg',

'ra|ram' => 'audio/x-realaudio',

'wav' => 'audio/wav',

'ogg|oga' => 'audio/ogg',

'mid|midi' => 'audio/midi',

'wma' => 'audio/x-ms-wma',

'wax' => 'audio/x-ms-wax',

'mka' => 'audio/x-matroska',

// Misc application formats.

'rtf' => 'application/rtf',

'js' => 'application/javascript',

'pdf' => 'application/pdf',

'swf' => 'application/x-shockwave-flash',

'class' => 'application/java',

'tar' => 'application/x-tar',

'zip' => 'application/zip',

'gz|gzip' => 'application/x-gzip',

'rar' => 'application/rar',

'7z' => 'application/x-7z-compressed',

'exe' => 'application/x-msdownload',

// MS Office formats.

'doc' => 'application/msword',

'pot|pps|ppt' => 'application/vnd.ms-powerpoint',

'wri' => 'application/vnd.ms-write',

'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',

'mdb' => 'application/vnd.ms-access',

'mpp' => 'application/vnd.ms-project',

'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',

'docm' => 'application/vnd.ms-word.document.macroEnabled.12',

'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',

'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',

'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',

'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',

'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',

'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',

'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',

'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',

'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',

'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',

'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',

'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',

'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',

'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',

'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',

'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',

'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',

'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',

'oxps' => 'application/oxps',

'xps' => 'application/vnd.ms-xpsdocument',

// OpenOffice formats.

'odt' => 'application/vnd.oasis.opendocument.text',

'odp' => 'application/vnd.oasis.opendocument.presentation',

'ods' => 'application/vnd.oasis.opendocument.spreadsheet',

'odg' => 'application/vnd.oasis.opendocument.graphics',

'odc' => 'application/vnd.oasis.opendocument.chart',

'odb' => 'application/vnd.oasis.opendocument.database',

'odf' => 'application/vnd.oasis.opendocument.formula',

// WordPerfect formats.

'wp|wpd' => 'application/wordperfect',

// iWork formats.

'key' => 'application/vnd.apple.keynote',

'numbers' => 'application/vnd.apple.numbers',

'pages' => 'application/vnd.apple.pages',

) );

}

- Wordpress

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/blog/wp-includes/functions.php 11

WordPressを読む　10-11　/blog/wp-includes/functions.php 11