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<?php
function order($php,$k)
{
$n = count($php); //¼ÆËãÊý×é¸öÊý
$php[$n] = $k;
//˳ÐòÅÅÐò
for($i = 0;$i < $n;$i++)
{
if($php[$i] == $k) //µÚÒ»¸ö
{
break;
}
}
if($i < $n) //ÔÚ×îºóÒ»¸ö֮ǰÕÒµ½
{
return $php[$i];
}
else //ûÓÐÕÒµ½
{
return -1;
}
}
$php = array("php","phpdo","www.phpdo.net");
echo order($php,"php");
?>
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