Resizes an image to make a thumbnail or intermediate size.

The returned array has the file size, the image width, and image height. The ‘image_make_intermediate_size’ filter can be used to hook in and change the values of the returned array. The only parameter is the resized file path.

$file string Required

File path.

$width int Required

Image width.

$height int Required

Image height.

$crop bool Optional

Whether to crop image to specified width and height or resize.

Default: false

array|false Metadata array on success. False if no image was created.

File: wp-includes/media.php. View all references

function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
	if ( $width || $height ) {
		$editor = wp_get_image_editor( $file );

		if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
			return false;
		}

		$resized_file = $editor->save();

		if ( ! is_wp_error( $resized_file ) && $resized_file ) {
			unset( $resized_file['path'] );
			return $resized_file;
		}
	}
	return false;
}