wp_check_filetype() - WordPress 函数参考中文文档

返回介绍

wp_check_filetype()

发布于 2017-09-11 字数2838 浏览 893 评论 0

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

Retrieve the file type from the file name.


描述

You can optionally define the mime array, if needed.


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


返回值

(array) Values with extension first and mime type.


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' );
}

更新日志

Version 描述
2.0.4 Introduced.

相关函数

Uses

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

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


User Contributed Notes

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    Contributed by Codex

    Basic Example

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

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