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<?php /*function add($a, $b){ return $a + $b; } echo add(2,3); function subtract ($a, $b){ return $a - $b; } echo subtract(5,4); function concatenate($a, $b){ return $a . $b; } echo concatenate('Hello', 'Wie');*/ //$arr = ['test', 'test2']; //print_r($arr[0]); function addToArray($arg1, $arg2){ $arr2 = []; $arr2[] = $arg1; $arr2[] = $arg2; print_r($arr2); } addToArray('Hallo','Yoooo'); var_dump($existiertnicht); $existiertnicht[] = 'Test'; print_r($existiertnicht); echo $gibtsnicht + 9;
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Hallo [1] => Yoooo ) Warning: Undefined variable $existiertnicht in /in/OM5jp on line 35 NULL Array ( [0] => Test ) Warning: Undefined variable $gibtsnicht in /in/OM5jp on line 38 9

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