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Source View: wp_calculate_image_sizes

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Source View

Line Code
1509       * @since 4.4.0
1510       *
1511       * @param string       $sizes         A source size value for use in a 'sizes' attribute.
1512       * @param string|int[] $size          Requested image size. Can be any registered image size name, or
1513       *                                    an array of width and height values in pixels (in that order).
1514       * @param string|null  $image_src     The URL to the image file or null.
1515       * @param array|null   $image_meta    The image meta data as returned by wp_get_attachment_metadata() or null.
1516       * @param int          $attachment_id Image attachment ID of the original image or 0.
1517       */
1518      return apply_filters( 'wp_calculate_image_sizes', $sizes, $size, $image_src, $image_meta, $attachment_id );
1519 }
1521 /**
1522  * Determines if the image meta data is for the image source file.
1523  *
1524  * The image meta data is retrieved by attachment post ID. In some cases the post IDs may change.
1525  * For example when the website is exported and imported at another website. Then the
1526  * attachment post IDs that are in post_content for the exported website may not match
1527  * the same attachments at the new website.