PHP数组的交集array_intersect(),array_intersect_assoc(),array_inter_key()函数的小问题
分类:PHP作者:编程之家
返回一个交集共有元素的数组(只是数组值得比较)、array_intersect_assoc()函数是将键值和值绑定,一起比较交集部分、array_intersect_key()函数是将两个数组的键值进行比较,返回键值交集的数组。
但实际应用中也遇到了一些小问题,正如下:
实例:
<div class="codetitle"><a style="CURSOR: pointer" data="64936" class="copybut" id="copybut64936" onclick="doCopy('code64936')"> 代码如下:
<div class="codebody" id="code64936">
<?
PHP $array = array("red"=>"Red","green"=>"red4","Red15"=>"Red",7=>"Level","Width"=>"Red","azzzz1"=>"art","peak"=>158);
$array1 = array("red"=>"Red2","greena"=>"red","azzzz"=>"art","peak"=>158);
$num = array_intersect($array,$array1);
print_r ($num);
echo "
";
$num = array_intersect_assoc($array,$array1);
print_r($num);
echo "
";
$num = array_intersect_key($array,$array1);
print_r ($num);
?>