3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( '\x' . implode( '\x', array_map( 'bin2hex', str_split( 'ABC'))));
Output for 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, 5.6.8 - 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, 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(12) "\x41\x42\x43"
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/dMtHS on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/dMtHS on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/dMtHS on line 2
preferences:
222.64 ms | 401 KiB | 313 Q