php循环练习

<!-- //while打印十行十列隔行变色表格 -->

/* for循环打印乘法表 */

/* foreach循环遍历数组 */

<html><body><!-- //while打印十行十列隔行变色表格 -->
<table border="1" style="width: 600px; height:300px" ><?php
$i=0;
while($i<10)
{if($i%2==0){echo "<tr bordercolor='red'>";}else {echo "<tr bordercolor='blue'>";}$j=0;while($j<10){echo "<td>";if($i>0){echo($i*10+$j);}else{echo"$j";} echo "</td>";$j++;}$i++;echo"</tr>";
}?>
</table>
<table border="1" style="width: 600px; height:300px" >
<?php 
/* for循环乘法表 */for($x=1;$x<10;$x++){echo "<tr bordercolor='blue'>";for($y=1;$y<=$x;$y++){echo "<td>";echo $y.'*'.$x.'='.($x*$y);echo "</td>";}echo"</tr>";}?>
</table>
<div style="background-color:pink; width: 600px; height:300px" >
<?php /* foreach循环 */
$arr1=array(12,12,23,3,5,6);
foreach ($arr1 as $v)
{echo $v."  ";
}
echo "<hr/>";$arr2=array(12,12,23,3,5,6);
foreach ($arr2 as $key=>$value)
{echo $key."=>".$value."<br/>";
}?>
</div>
</body></html>