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<?php foreach ($array as &$value) {} // by reference echo implode(',', $array). "\n"; foreach ($array as $value) {} // by value (i.e., copy) echo implode(',', $array). "\n";
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $array in /in/Tmkrr on line 4 Warning: foreach() argument must be of type array|object, null given in /in/Tmkrr on line 4 Warning: Undefined variable $array in /in/Tmkrr on line 5 Fatal error: Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given in /in/Tmkrr:5 Stack trace: #0 /in/Tmkrr(5): implode(',', NULL) #1 {main} thrown in /in/Tmkrr on line 5
Process exited with code 255.

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