3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hex = '0050'; echo base_convert($hex, 16, 2) . "\n"; $bin = sprintf("%016b", hexdec($hex)); echo implode(' ', str_split($bin, 4)) . "\n";
Output for 5.6.38, 7.0.33, 7.1.25, 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 - 8.3.4, 8.3.6
1010000 0000 0000 0101 0000
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 1010000 0000 0000 0101 0000
preferences:
147.99 ms | 402 KiB | 154 Q