PHP中Array相关函数简介

php;"> $arr=array(); $arr['one']="one"; $arr['two']="two"; $arr['three']="three";

$newArr=array_keys($arr);
print_r($newArr);
//Array ( [0] => one [1] => two [2] => three )

php;"> $arr=array(); $arr[20]="one"; $arr[30]="two"; $arr[40]="three";

$newArr=array_values($arr);
print_r($newArr);
//Array ( [0] => one [1] => two [2] => three )

674_18@ one Hello [1] => two Hello [2] => three Hello )

php;"> $arr=array(); $arr[0]="one"; $arr[1]="two"; $arr[2]="three";

$arr1=array();
$arr[3]="taoshihan1";
$arr[4]="taoshihan2";
$arr[5]="taoshihan3";

$newArr=array_merge($arr,$arr1);
print_r($newArr);
//Array ( [0] => one [1] => two [2] => three [3] => taoshihan1 [4] => taoshihan2 [5] => taoshihan3 )

$arr=array("one","two","three");
$arr1=array("4","5","6");
$newArr=array_merge($arr,$arr1);
print_r($newArr);
//Array ( [0] => one [1] => two [2] => three [3] => 4 [4] => 5 [5] => 6 )

"taoshihan2","1"=>"taoshihan1","3"=>"taoshihan3"); ksort($arr); print_r($arr); //Array ( [1] => taoshihan1 [2] => taoshihan2 [3] => taoshihan3 )

"taoshihan2","3"=>"taoshihan3"); echo array_search("taoshihan1",$arr); // 1