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run code in 300+ PHP versions simultaneously
<?php $socket = fopen('php://memory', 'a+'); fwrite($socket, implode('', array_map('json_encode', [ ['a'=>'b'], ['b' => 'c'] ]))); fseek($socket, 0); fwrite($socket, json_encode(['x'=>'y'])); var_dump(fgets($socket));
Output for 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
bool(false)
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 bool(false)
Output for 5.6.38, 7.1.0 - 7.1.22, 7.2.0 - 7.2.33
string(9) "{"b":"c"}"
preferences:
176.35 ms | 402 KiB | 171 Q