Online PHP editor | refs for J5ua1

<?php $sentence = '{Please|Just} make this {cool|awesome|random} test sentence {rotate {quickly|fast} and random|spin and be random}'; function sentence_spinning($str) { do { $str = preg_replace_callback('#\{([^{}]*)\}#', function($matches) { return explode('|', $matches[1])[mt_rand(0, substr_count($matches[1], '|'))]; }, $str, -1, $count); } while ($count !== 0); return $str; } echo $sentence, PHP_EOL, sentence_spinning($sentence);