<?php
//each() ,
//
// : , ,
$userFrom['lily'] = 'wuhan';
$userFrom['mac'] = 'haungshi';
$userFrom['pit'] = 'shanghai';
print_r($userFrom);
echo '<br />';
if(is_array($userFrom)){
echo 'userFrom is array';
}else{
echo 'userFrom is not array';
}
echo '<br />';
$result=each($userFrom);
print_r($result);
echo $result['key'].'----'.$result['value'];
echo '<br />';
$result=each($userFrom); // mac
print_r($result);
echo $result['key'].'----'.$result['value'];
echo '<br />';
$result=each($userFrom); // pit
print_r($result);
echo $result['key'].'----'.$result['value'];
echo '<br />';
$result=each($userFrom); // , ; reset($array)
print_r($result);
echo $result['key'].'----'.$result['value'];
echo '<br />';
// , ???
//each() , , true, false
$a=each($userFrom);
while($a){
echo $a['key'].'----'.$a['value'];
echo '<br />';
} // ?each()
$userAge['lily'] = 12;
$userAge['mac'] = 33;
$userAge['pit'] = 23;
while($a=each($userAge)){ //
echo $a['key'].'----'.$a['value'];
echo '<br />';
}
?>