forecah最适合遍历

<?php

$min=1;$max=10;

$data=rang($min,$max);

$count=count($data);

//for循环

for($i=0;$i<$count;$i++;){echo $i.'=>'.$data[$i];}

//while循环

while($i=0){echo $i.'=>'.$data[$i];$i++;}

//foreach遍历

foreach($data as $key=>$value){echo $key."=>".$value}

?>