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<?php echo 'Hello World'; $sql = [1 => ["id" => 1, "num" => "123"], 2 => ["id" => 2, "num" => "456"]]; $mongo = ["id" => 1, "num" => "123"]; $a = array_diff_ukey ($mongo, $sql, function($item) {return $item['num'];} ); var_dump($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Hello World Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/W2JCs:6 Stack trace: #0 [internal function]: {closure}('id', 'num') #1 /in/W2JCs(6): array_diff_ukey(Array, Array, Object(Closure)) #2 {main} thrown in /in/W2JCs on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Hello World Warning: Illegal string offset 'num' in /in/W2JCs on line 6 Notice: Trying to access array offset on value of type int in /in/W2JCs on line 6 Warning: Illegal string offset 'num' in /in/W2JCs on line 6 Warning: Illegal string offset 'num' in /in/W2JCs on line 6 array(0) { }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Hello World Warning: Illegal string offset 'num' in /in/W2JCs on line 6 Warning: Illegal string offset 'num' in /in/W2JCs on line 6 Warning: Illegal string offset 'num' in /in/W2JCs on line 6 array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/W2JCs on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/W2JCs on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/W2JCs on line 3
Process exited with code 255.

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