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$comma_separated = 1; $$comma_separated1 = 2; //OP's code <?php echo "[". $comma_separated."],[". $comma_separated1."]"?> //your code <?php echo "[". $comma_separated.",". $comma_separated1."]"?>
Output for git.master, git.master_jit, rfc.property-hooks
$comma_separated = 1; $$comma_separated1 = 2; //OP's code Warning: Undefined variable $comma_separated in /in/9mWgY on line 5 Warning: Undefined variable $comma_separated1 in /in/9mWgY on line 5 [],[] //your code Warning: Undefined variable $comma_separated in /in/9mWgY on line 8 Warning: Undefined variable $comma_separated1 in /in/9mWgY on line 8 [,]

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