3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(ticks=1); function tick() { global $ticks; if ($ticks) { $tick = array_shift($ticks); $tick(); } } register_tick_function('tick'); class A { protected $b = ['d' => 321]; function & __get($name) { echo "And now, __get is running...\n"; $GLOBALS['ticks'][] = function () { echo "THIS IS WHERE WE VALIDATE CHANGES TO THE ARRAY!\n"; }; return $this->{$name}; } } eval(' $a = new A(); $a->b["c"] = 123; var_dump($a->b); ');
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 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
And now, __get is running... THIS IS WHERE WE VALIDATE CHANGES TO THE ARRAY! And now, __get is running... THIS IS WHERE WE VALIDATE CHANGES TO THE ARRAY! array(2) { ["d"]=> int(321) ["c"]=> int(123) }
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 And now, __get is running... THIS IS WHERE WE VALIDATE CHANGES TO THE ARRAY! And now, __get is running... THIS IS WHERE WE VALIDATE CHANGES TO THE ARRAY! array(2) { ["d"]=> int(321) ["c"]=> int(123) }

preferences:
148.79 ms | 402 KiB | 171 Q