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run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}i:2;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;R:2;}}}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($x);

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62.99 ms | 402 KiB | 5 Q