3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a{ public function b(){ echo 'toto'; } } $a = new a(); $method = 'b'; var_dump(is_callable(array($a,$method))); $a->$method(); function uc_words($str, $destSep='_', $srcSep='_') { return str_replace(' ', $destSep, ucwords(str_replace($srcSep, ' ', $str))); } $attr = 'mon_code_attribut'; echo uc_words($attr,'');
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(true) totoMonCodeAttribut

preferences:
251.37 ms | 404 KiB | 372 Q