Summery Summery

Filters an image’s ‘srcset’ sources.

Syntax Syntax

apply_filters( 'wp_calculate_image_srcset', array $sources, array $size_array, string $image_src, array $image_meta, int $attachment_id )

Parameters Parameters


One or more arrays of source data to include in the 'srcset'.

  • 'width'
    • 'url'
      (string) The URL of an image source.
    • 'descriptor'
      (string) The descriptor type used in the image candidate string, either 'w' or 'x'.
    • 'value'
      (int) The source width if paired with a 'w' descriptor, or a pixel density value if paired with an 'x' descriptor.


An array of requested width and height values.

  • (int) The width in pixels.
  • '1'
    (int) The height in pixels.


The 'src' of the image.


The image meta data as returned by 'wp_get_attachment_metadata()'.


Image attachment ID or 0.

Source Source

File: wp-includes/media.php


Changelog Changelog

Version Description
4.4.0 Introduced.


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