3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "lá"; echo $string[0] , "\n" , $string[1] , "\n" , $string[2]; echo "\n\n"; $string[1] = "B"; echo $string;
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
l � � lB�
preferences:
128.88 ms | 407 KiB | 5 Q