Question

wp_read_audio_metadata( string $file )

Retrieve metadata from a audio file’s ID3 tags

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description

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参数

$file

(string) (Required) Path to file.

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返回值

(array|bool) Returns array of metadata, if found.

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源代码

File: wp-admin/includes/media.php

function wp_read_audio_metadata( $file ) {
	if ( ! file_exists( $file ) ) {
		return false;
	}
	$metadata = array();

	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
		define( 'GETID3_TEMP_DIR', get_temp_dir() );
	}

	if ( ! class_exists( 'getID3', false ) ) {
		require( ABSPATH . WPINC . '/ID3/getid3.php' );
	}
	$id3 = new getID3();
	$data = $id3->analyze( $file );

	if ( ! empty( $data['audio'] ) ) {
		unset( $data['audio']['streams'] );
		$metadata = $data['audio'];
	}

	if ( ! empty( $data['fileformat'] ) )
		$metadata['fileformat'] = $data['fileformat'];
	if ( ! empty( $data['filesize'] ) )
		$metadata['filesize'] = (int) $data['filesize'];
	if ( ! empty( $data['mime_type'] ) )
		$metadata['mime_type'] = $data['mime_type'];
	if ( ! empty( $data['playtime_seconds'] ) )
		$metadata['length'] = (int) round( $data['playtime_seconds'] );
	if ( ! empty( $data['playtime_string'] ) )
		$metadata['length_formatted'] = $data['playtime_string'];

	wp_add_id3_tag_data( $metadata, $data );

	return $metadata;
}

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更新日志

Version	description
3.6.0	Introduced.

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相关函数

Uses

• wp-admin/includes/media.php: wp_add_id3_tag_data()
• wp-includes/functions.php: get_temp_dir()

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Used By

• wp-admin/includes/image.php: wp_generate_attachment_metadata()
• wp-admin/includes/media.php: media_handle_upload()

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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

   Example

   
   $uploads = wp_upload_dir();
   $uploads_dir = ( $uploads['baseurl'] . $uploads['subdir'] );
   $file = $uploads_dir . '/example.mp3';
   $metadata = wp_read_audio_metadata( $file );
   print "Audio is " . $metadata['length'] . ' seconds long';