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<?php $id = '9242'; $supergroup = array('9242' => 1, '9243' => 0, '9244' => 2, '9245' => 0); $supergroupnew = []; array_walk_recursive($supergroup, function($item, $key) use(&$id) { if ($key == $id) { $supergroupnew += [ $key => $item ]; } else { $supergroupnew += [ $key => "0" ]; } }); echo "<h1>Original Array:</h1>"; print_r($supergroup); echo "<h1>New Array:</h1>"; print_r($supergroupnew);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $supergroupnew in /in/J8Nmg on line 8 Fatal error: Uncaught TypeError: Unsupported operand types: null + array in /in/J8Nmg:8 Stack trace: #0 [internal function]: {closure}(1, 9242) #1 /in/J8Nmg(6): array_walk_recursive(Array, Object(Closure)) #2 {main} thrown in /in/J8Nmg on line 8
Process exited with code 255.

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