php对数组开头与末尾的元素进行插入与移除

数组开头元素的插入与移除

插入:array_unshift()

$arr=array("a"=>"11","b"=>"22","c"=>"33");
array_unshift($arr,"333");

移除:array_shift()

$arr=array("a"=>"11","b"=>"22","c"=>"33");
array_shift($arr);

数组末尾元素的插入与移除

插入

$arr=array("a"=>"11","b"=>"22","c"=>"33");
array_push($arr,"tom");

移除

$arr=array("a"=>"11","b"=>"22","c"=>"33");
array_pop($arr);