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run code in 300+ PHP versions simultaneously
<?php if ($foo = array('bar') && 'bar' === $foo[0]) { echo "it's bar!\n"; } else { echo ":-(\n"; }
Output for git.master, git.master_jit
Warning: Undefined variable $foo in /in/iQC02 on line 3 Warning: Trying to access array offset on value of type null in /in/iQC02 on line 3 :-(
Output for rfc.property-hooks
Warning: Undefined variable $foo in /in/iQC02 on line 3 Warning: Trying to access array offset on null in /in/iQC02 on line 3 :-(

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