Question

wp_check_filetype( string $filename,  array $mimes = null )

Retrieve the file type from the file name.

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description

You can optionally define the mime array, if needed.

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参数

$filename

(string) (Required) File name or path.

$mimes

(array) (Optional) Key is the file extension with value as the mime type.

Default value: null

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返回值

(array) Values with extension first and mime type.

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源代码

File: wp-includes/functions.php

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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更新日志

Version	description
2.0.4	Introduced.

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相关函数

Uses

• wp-includes/functions.php: get_allowed_mime_types()

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Used By

• wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::prepare_starter_content_attachments()
• wp-includes/theme.php: get_header_video_settings()
• wp-includes/post.php: wp_attachment_is()
• wp-includes/formatting.php: sanitize_file_name()
• wp-includes/functions.php: wp_upload_bits()
• wp-includes/functions.php: wp_check_filetype_and_ext()
• wp-includes/media.php: wp_get_image_editor()
• wp-includes/media.php: wp_video_shortcode()
• wp-includes/media.php: wp_playlist_shortcode()
• wp-includes/media.php: wp_audio_shortcode()
Show 5 more used by Hide more used by

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Basic Example

   
   <?php
   $filetype = wp_check_filetype('image.jpg');
   echo $filetype['ext']; // will output jpg
   ?>