3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mystring = '+421917982116'; $findme = '9'; $pos = strpos($mystring, $findme); var_dump($pos);
Output for 7.1.4, 7.3.24 - 7.3.33, 7.4.12 - 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
int(4)

preferences:
122.75 ms | 402 KiB | 115 Q