Online PHP editor | refs for kX30W

<?php /** * Replaces elements from passed arrays into the first array * * array_replace() replaces the values of array1 with values having the * same keys in each of the following arrays. If a key from the first array * exists in the second array, its value will be replaced by the value from * the second array. If the key exists in the second array, and not the * first, it will be created in the first array. If a key only exists in * the first array, it will be left as is. If several arrays are passed for * replacement, they will be processed in order, the later arrays * overwriting the previous values. * * @since PHP 5.3.0 * @param array $array1 The array in which elements are replaced * @param array $array2... The array from which elements will be extracted * @return array Returns an array, or NULL if an error occurs */ function phpcompat_array_replace(array $array1, array $array2 = null) { $args = func_get_args(); $num_args = func_num_args(); if ($num_args < 1) { trigger_error( sprintf('array_replace() expects at least 1 parameter, %d given', $num_args), E_USER_WARNING ); return null; } $res = array(); for ($i = 0; $i < $num_args; ++$i) { if (is_array($args[$i])) { foreach ($args[$i] as $key => $val) { $res[$key] = $val; } } else { trigger_error( sprintf('array_replace(): Argument #%d is not an array', $i + 1), E_USER_WARNING ); return null; } } return $res; } var_dump(array_replace()); var_dump(phpcompat_array_replace());