php中循环输出数组内容

第一种方法

<!--用foreach（）函数-->
<?php 
$colors = array("red","green","blue","yellow"); 

foreach ($colors as $value) {
 echo "$value <br>";
 }
?>

第二种方法

<?php
$cars=array("red","green","blue","yellow"); 
$arrlength=count($cars);


for($x=0;$x<$arrlength;$x++) {
  echo $cars[$x];
  echo "<br>";
}
?>