3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encodedSecret = "3d3d516343746d4d6d6c315669563362"; function encodeSecret($secret) { return bin2hex(strrev(base64_encode($secret))); } var_dump(hex2bin(strrev(base64_decode($encodedSecret))));
Output for 5.5.1 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
Warning: hex2bin(): Input string must be hexadecimal string in /in/6HBd1 on line 9 bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0
bool(false)
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Call to undefined function hex2bin() in /in/6HBd1 on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function hex2bin() in <b>/in/6HBd1</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: hex2bin() in <b>/in/6HBd1</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: hex2bin() in <b>/in/6HBd1</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: hex2bin() in <b>/in/6HBd1</b> on line <b>9</b><br />

preferences:
249.96 ms | 402 KiB | 389 Q