3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encodedSecret = "3d3d516343746d4d6d6c315669563362"; $hex = strrev(base64_decode($encodedSecret)); var_dump($hex); $bin = hex2bin('$hex'); ?>
Output for 5.5.1 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 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 - 8.3.7
string(24) "�~�z��z^ߜ����~�^����" Warning: hex2bin(): Input string must be hexadecimal string in /in/kBlc7 on line 7
Output for 5.4.0 - 5.4.45, 5.5.0
string(24) "�~�z��z^ߜ����~�^����"
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
string(24) "�~�z��z^ߜ����~�^����" Fatal error: Call to undefined function hex2bin() in /in/kBlc7 on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9
string(24) "�~�z��z^ߜ����~�^����" Fatal error: Call to undefined function: hex2bin() in /in/kBlc7 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
string(24) "�~�z��z^ߜ����~�^����" Fatal error: Call to undefined function: hex2bin() in /in/kBlc7 on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
string(24) "�~�z��z^ߜ����~�^����" Fatal error: Call to undefined function: hex2bin() in /in/kBlc7 on line 7
preferences:
228.69 ms | 401 KiB | 345 Q