: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* @param string $value - The value to be migrated.
protected function _migrate_border_radii( $value ) {
return "on|${value}px|${value}px|${value}px|${value}px";
* Migrates customizer inverted checkbox values.
* @param string $value - The value to be migrated.
protected function _migrate_inverted_checkbox_value( $value ) {
return $value ? 'off' : 'on';
* Migrates customizer range control value.
* @param string $value - The value to be migrated.
protected function _migrate_px_value( $value ) {
ET_Module_Customizer_Migrations::instance();