get_intermediate_image_sizes()
Gets the available intermediate image sizes.
Description
Return
(array) Returns a filtered array of image size strings.
Source
File: wp-includes/media.php
function get_intermediate_image_sizes() {
$default_sizes = array( 'thumbnail', 'medium', 'medium_large', 'large' );
$additional_sizes = wp_get_additional_image_sizes();
if ( ! empty( $additional_sizes ) ) {
$default_sizes = array_merge( $default_sizes, array_keys( $additional_sizes ) );
}
/**
* Filters the list of intermediate image sizes.
*
* @since 2.5.0
*
* @param array $default_sizes An array of intermediate image sizes. Defaults
* are 'thumbnail', 'medium', 'medium_large', 'large'.
*/
return apply_filters( 'intermediate_image_sizes', $default_sizes );
}
Changelog
| Version | Description |
|---|---|
| 3.0.0 | Introduced. |
In
the get_image_sizes()example above – note that since WordPress 4.4 there is a new size – ‘medium_large’.Include that in the array on line 13 to prevent errors.
List available image sizes with width and height following
/** * Get information about available image sizes */ function get_image_sizes( $size = '' ) { $wp_additional_image_sizes = wp_get_additional_image_sizes(); $sizes = array(); $get_intermediate_image_sizes = get_intermediate_image_sizes(); // Create the full array with sizes and crop info foreach( $get_intermediate_image_sizes as $_size ) { if ( in_array( $_size, array( 'thumbnail', 'medium', 'large' ) ) ) { $sizes[ $_size ]['width'] = get_option( $_size . '_size_w' ); $sizes[ $_size ]['height'] = get_option( $_size . '_size_h' ); $sizes[ $_size ]['crop'] = (bool) get_option( $_size . '_crop' ); } elseif ( isset( $wp_additional_image_sizes[ $_size ] ) ) { $sizes[ $_size ] = array( 'width' => $wp_additional_image_sizes[ $_size ]['width'], 'height' => $wp_additional_image_sizes[ $_size ]['height'], 'crop' => $wp_additional_image_sizes[ $_size ]['crop'] ); } } // Get only 1 size if found if ( $size ) { if( isset( $sizes[ $size ] ) ) { return $sizes[ $size ]; } else { return false; } } return $sizes; }Expand full source codeCollapse full source code
Some examples of use of this function:
var_dump( get_image_sizes() ); /* array(4) { ["thumbnail"]=> array(3) { ["width"]=> string(3) "150" ["height"]=> string(3) "150" ["crop"]=> bool(true) } ["medium"]=> array(3) { ["width"]=> string(3) "300" ["height"]=> string(3) "300" ["crop"]=> bool(false) } ["large"]=> array(3) { ["width"]=> string(4) "1024" ["height"]=> string(4) "1024" ["crop"]=> bool(false) } ["juliobox-size"]=> array(3) { ["width"]=> int(211) ["height"]=> int(279) ["crop"]=> bool(false) } } */ var_dump( get_image_sizes( 'large' ) ); /* array(3) { ["width"]=> int(1024) ["height"]=> int(1024) ["crop"]=> bool(false) } */ var_dump( get_image_sizes( 'foo-bar' ) ); /* bool(false) */Expand full source codeCollapse full source code