3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( bin2hex(pack("LLZ*", 12345, 67890, "bark bark I am a chicken")), unpack("Lone/Ltwo/Z*three", hex2bin("39300000320901006261726b206261726b204920616d206120636869636b656e00")) );
Output for 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
string(66) "39300000320901006261726b206261726b204920616d206120636869636b656e00" array(3) { ["one"]=> int(12345) ["two"]=> int(67890) ["three"]=> string(24) "bark bark I am a chicken" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(66) "39300000320901006261726b206261726b204920616d206120636869636b656e00" array(3) { ["one"]=> int(12345) ["two"]=> int(67890) ["three"]=> string(24) "bark bark I am a chicken" }

preferences:
174.23 ms | 402 KiB | 168 Q