3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "\x00\x00\x00"; var_dump(bin2hex($str)); $str[1] = "\xff\xff"; var_dump(bin2hex($str));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(6) "000000" Warning: Only the first byte will be assigned to the string offset in /in/HsYuh on line 7 string(6) "00ff00"
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
string(6) "000000" string(6) "00ff00"
preferences:
197.04 ms | 404 KiB | 313 Q