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Description

Retrieves attachment metadata for attachment ID.

Usage

$array|false = wp_get_attachment_metadata( $attachment_id, $unfiltered );

Parameters

$attachment_id

( int ) optional – Attachment post ID. Defaults to global $post.

$unfiltered

( bool ) optional – Optional. If true, filters are not run. Default false.

$width

( int ) optional – The width of the attachment.

$height

( int ) optional – The height of the attachment.

$file

( string ) optional – The file path relative to `wp-content/uploads`.

$sizes

( array ) optional – Keys are size slugs, each value is an array containing 'file', 'width', 'height', and 'mime-type'.

$image_meta

( array ) optional – Image metadata.

$filesize

( int ) optional – File size of the attachment. }

Returns

array|false { Attachment metadata. False on failure.

Source

File name: wordpress/wp-includes/post.php
Lines:

function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) {
  $attachment_id = (int) $attachment_id;

  if ( ! $attachment_id ) {
    $post = get_post();

    if ( ! $post ) {
      return false;
    }

    $attachment_id = $post->ID;
  }

  $data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true );

  if ( ! $data ) {
    return false;
  }

  if ( $unfiltered ) {
    return $data;
  }

  
/**
 * Filters the attachment meta data.
 *
 * @since 2.1.0
 *
 * @param array $data          Array of meta data for the given attachment.
 * @param int   $attachment_id Attachment post ID.
 */
  return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id );
}
 

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