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run code in 300+ PHP versions simultaneously
<?php $allowAutoSwitch = array( 1 => true, 4 => true, 5 => true, 6 => true, ); echo serialize($allowAutoSwitch);
Output for git.master, git.master_jit, rfc.property-hooks
a:4:{i:1;b:1;i:4;b:1;i:5;b:1;i:6;b:1;}

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