3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pp = '12р.43коп.'; $pp = mb_substr($pp, 0, -8, 'UTF-8').'.'.mb_substr($pp, -6, 2, 'UTF-8'); //mb_substr(Yii::$app->user->identity->fathername, 0, 1, 'UTF-8') echo $pp;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
12.43

preferences:
286.36 ms | 406 KiB | 460 Q