php 代码大全

1.子类访问父类静态方法

<?php
class A{

static function loadById(){
$class_name = get_called_class();
$model = new $class_name('a');
return $model;
}
}
class B extends A{
public $name;
public function __construct($str){
$this->name = $str;
}
}

echo "beginnn<Br>";
$obj = B::loadById();
echo $obj->name;
?>

arrayChangeKey()函数array[id]={name,age}

function arrayChangeKey($arr,$key)
{/*{{{*/
$processedArr = array();
if(is_array($arr) && !empty($arr)){
foreach ($arr as $item)
{
$processedArr[$item[$key]] = $item;
}
}
return $processedArr;
}