3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = PHP_INT_MAX * PHP_INT_MAX; $bb = json_encode($a, true); $b = json_decode($bb); var_dump($a); var_dump($b);
Output for 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
float(8.507059173023462E+37) float(8.507059173023462E+37)
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 float(8.507059173023462E+37) float(8.507059173023462E+37)
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
float(8.5070591730235E+37) float(8.5070591730235E+37)
preferences:
148.76 ms | 402 KiB | 156 Q