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run code in 300+ PHP versions simultaneously
<?php echo "lorem Ipsum dolor sit Amet"; $array1=array("abc","def"); $array2=array("ghi","jkl"); $a1=array("red","green"); $a2=array("blue","yellow"); print_r(array_merge($a1,$a2)); print_r(array_merge($array1,$array2)); echo $array3; ?>
Output for git.master, git.master_jit, rfc.property-hooks
lorem Ipsum dolor sit AmetArray ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [0] => abc [1] => def [2] => ghi [3] => jkl ) Warning: Undefined variable $array3 in /in/WA3Nu on line 9

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