remove_image_size( string $name )

Remove a new image size.

Parameters

$name

(string) (Required) The image size to remove.

Return

(bool) True if the image size was successfully removed, false on failure.

Source

File: wp-includes/media.php 

function remove_image_size( $name ) {
	global $_wp_additional_image_sizes;

	if ( isset( $_wp_additional_image_sizes[ $name ] ) ) {
		unset( $_wp_additional_image_sizes[ $name ] );
		return true;
	}

	return false;
}

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Changelog

Changelog
Version Description
WP-3.9.0 Introduced.