RYan

摘要： + 运算符把右边的数组附加到左边的数组后面，但是重复的键值不会被覆盖。<?php$a = array("a" => "apple", "b" => "banana");$b = array("a" => "pear", "b" => "strawberry", "c" => "cherry");$c = $a + $b; // Union of $a and $ 阅读全文