wp_get_attachment_image_sizes

函数


wp_get_attachment_image_sizes ( $attachment_id, $size = 'medium', $image_meta = null )
参数
  • (int)
    $attachment_id
    Image attachment ID.
    Required:
  • (string|int[])
    $size
    Optional. Image size. Accepts any registered image size name, or an array of width and height values in pixels (in that order). Default ‘medium’.
    Required:
    Default: ‘medium’
  • (array)
    $image_meta
    Optional. The image meta data as returned by ‘wp_get_attachment_metadata()’. Default null.
    Required:
    Default: null
返回值
  • (string|false) A valid source size value for use in a ‘sizes’ attribute or false.
相关
  • wp_calculate_image_sizes()
定义位置
  • wp-includes/media.php
    , line 1453
引入
4.4.0
弃用

检索图片附件的 “sizes”属性的值。

function wp_get_attachment_image_sizes( $attachment_id, $size = 'medium', $image_meta = null ) {
	$image = wp_get_attachment_image_src( $attachment_id, $size );

	if ( ! $image ) {
		return false;
	}

	if ( ! is_array( $image_meta ) ) {
		$image_meta = wp_get_attachment_metadata( $attachment_id );
	}

	$image_src  = $image[0];
	$size_array = array(
		absint( $image[1] ),
		absint( $image[2] ),
	);

	return wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
}