*/
$input=array("red","green","blue","yellow"); //定义原始数组
array_splice($input,2); //执行去除操作
print_r($input); //输出处理后结果
$input=array("red","green","blue","yellow"); //定义原始数组
array_splice($input,1,-1); //执行去除操作并指定长度
print_r($input); //输出处理后结果
$input=array("red","green","blue","yellow"); //定义原始数组
array_splice($input,1,count($input),"orange"); //执行去除操作，并指定长度及内容
print_r($input); //输出处理后结果
$input=array("red","green","blue","yellow"); //定义原始数组
array_splice($input,-1,1,array("black","maroon")); //替换内容为数组的情况
print_r($input); //输出处理后结果
$input=array("red","green","blue","yellow"); //定义原始数组
array_splice($input,3,0,"purple");
print_r($input); //输出处理后结果
//
$sweet=array('a'=>'apple','b'=>'banana'); //定义原始数组
$fruits=array('sweet'=>$sweet,'sour'=>'lemon'); //定义另一个数组
function test_print($item,$key) //用户自定义函数
{
echo "$key holds $itemn"; //输出两个参数
}
array_walk_recursive($fruits,'test_print'); //对数组成员递归调用自定义函数
//求和
$a=array(2,4,6,8); //定义原始数组
echo "sum(a)=".array_sum($a)."n"; //求和
$b=array("a"=>1.2,"b"=>2.3,"c"=>3.4); //定义原始数组
echo "sum(b)=".array_sum($b)."n"; //求和
//数组交集
function strcasecmp($key1, $key2)
{
if($key1==$key2) //如果两个参数相等
return 0; //返回0
else if($key1>$key2) //如果前一个大于后一个
return 1; //返回1
else //如果前一个小于后一个
return -1; //返回-1
}
$a1=array("a"=>"green","b"=>"brown","c"=>"blue","red"); //定义数组1
$a2=array("a"=>"green","b"=>"brown","yellow","red"); //定义数组2
print_r(array_uintersect_uassoc($a1,$a2,"strcasecmp","function")); //求两数组交集
//数组交集
$a=array("a"=>"green","b"=>"brown","c"=>"blue","red"); //定义数组1
$b=array("a"=>"green","b"=>"brown","yellow","red"); //定义数组2
$result=array_uintersect($a,$b,"strcasecmp"); //计算数组交集
print_r($result);