wp_check_filetype

函数



      wp_check_filetype ( $filename, $mimes = null )

参数

(string)
$filename
File name or path.
Required: 是
(string[])
$mimes
Optional. Array of allowed mime types keyed by their file extension regex.
Required: 否

Default: null

返回值

(array) { Values for the extension and mime type. @type string|false $ext File extension, or false if the file doesn’t match a mime type. @type string|false $type File mime type, or false if the file doesn’t match a mime type. }

定义位置

wp-includes/functions.php
, line 3018

引入: 2.0.4

弃用: –

Retrieves the file type from the file name.

You can optionally define the mime array, if needed.

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' );
}

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