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<?php function duplicarNumerosPares($numeros) { // Multiplicar los números pares $pares = array_map(function($n) { return $n * 2; }, $pares); // Filtrar los números pares $resultado = array_filter($numeros, function($n) { return $n % 2 === 0; }); return $resultado; } // Ejemplo de uso $numeros = [1, 2, 3, 4, 5, 6, 7, 8]; $nuevoArray = duplicarNumerosPares($numeros); print_r($nuevoArray); ?> ?>
Output for git.master_jit, git.master
Warning: Undefined variable $pares in /in/daOq8 on line 7 Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given in /in/daOq8:5 Stack trace: #0 /in/daOq8(5): array_map(Object(Closure), NULL) #1 /in/daOq8(20): duplicarNumerosPares(Array) #2 {main} thrown in /in/daOq8 on line 5
Process exited with code 255.

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