Online PHP editor | refs for YnA4A

<?php $string = "The Chernobyl disaster was a catastrophic nuclear accident that occurred on 26 April 1986, in the No. 4 nuclear reactor at the Chernobyl Nuclear Power Plant, near the city of Pripyat, in the north of the Ukrainian SSR."; $pattern1 = '%[A-Z]\w+%'; $pattern2 = '%\d+%'; preg_replace_callback_array( [ $pattern1 => function ($match) { echo "pattern 1: \n"; print_r($match); }, $pattern2 => function ($match) { echo "pattern 2: \n"; print_r($match); } ], $string );