3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":2:{s:17:"'."\0".'Exception'."\0".'string";O:8:"stdClass":0:{}s:16:"'."\0".'Exception'."\0".'trace";R:3;}i:1;R:3;}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($x);

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49.6 ms | 402 KiB | 5 Q