php foreach循环两种类型详解

$myArray=array('sina'=>"新浪",'sohu'=>'搜狐','baidu'=>"百度");
foreach ($myArray as $key => $value) {
    echo $key."=>".$value.'<hr/>';
} //输出键名和值

foreach ($myArray as $value) {
    echo $value.'<hr/>';

}//只输出值

运行结果: