输出结果:
Array( [color] => green [0] => 2 [1] => 4 [2] => a [3] => b [shape] => trapezoid [4] => 4) 例二: $array1 = array();$array2 = array(1 => "data");$result = array_merge($array1, $array2);输出结果:
Array( [0] => data) + 运算符 完全保留原有数组并只想新的数组附加到后面 $array1 = array(0 => 'zero_a', 2 => 'two_a', 3 => 'three_a');$array2 = array(1 => 'one_b', 3 => 'three_b', 4 => 'four_b');$result = $array1 + $array2;var_dump($result);输出结果
$array1 = array(0 => 'zero_a', 2 => 'two_a', 3 => 'three_a');$array2 = array(1 => 'one_b', 3 => 'three_b', 4 => 'four_b');$result = $array1 + $array2;var_dump($result);