PHP 数组遍历方法总结

<?php $sports = array( 
&#39;football&#39; => 'good', 
'swimming' => 'very well', 
'running' => 'not good'); 
foreach ($sports as $key => $value) { 
echo $key.": ".$value."<br>"; 

<?php $sports = array( 
&#39;football&#39; => 'good', 
'swimming' => 'very well', 
'running' => 'not good'); 
while ($elem = each($sports)) { 
echo $elem['key'].": ".$elem['value']."<br>"; 

<?php $sports = array( 
&#39;football&#39; => 'good', 
'swimming' => 'very well', 
'running' => 'not good'); 
while (list($key, $value) = each($sports)) { 
echo $key.": ".$value."<br>"; 
?>