這段代碼是我前面寫的。它檢查外部服務器的圖像,如果存在,它將在列表中回顯圖像。我有它最多13個記錄來檢查。我認爲一個數組在這裏最好,但不知道它們是如何工作的。PHP - 我怎樣才能寫這個IF和ELSE語句更清潔和更快
$a1="".$cdnurl."assets/".$pid."/1/medium.jpg";
$a2="".$cdnurl."assets/".$pid."/2/medium.jpg";
$a3="".$cdnurl."assets/".$pid."/3/medium.jpg";
$a4="".$cdnurl."assets/".$pid."/4/medium.jpg";
$a5="".$cdnurl."assets/".$pid."/5/medium.jpg";
$a6="".$cdnurl."assets/".$pid."/6/medium.jpg";
$a7="".$cdnurl."assets/".$pid."/7/medium.jpg";
$a8="".$cdnurl."assets/".$pid."/8/medium.jpg";
$a9="".$cdnurl."assets/".$pid."/9/medium.jpg";
$a10="".$cdnurl."assets/".$pid."/10/medium.jpg";
$a11="".$cdnurl."assets/".$pid."/11/medium.jpg";
$a12="".$cdnurl."assets/".$pid."/12/medium.jpg";
$a13="".$cdnurl."assets/".$pid."/13/medium.jpg";
if(@fopen($a1,"r")){
echo '<li class="royalSlide"><img src="'.$a1.'" alt="" /></li>';
}
if(@fopen($a2,"r")){echo '<li class="royalSlide"><img src="'.$a2.'" alt="" /></li>';
}
if(@fopen($a3,"r")){echo '<li class="royalSlide"><img src="'.$a3.'" alt="" /></li>';
}
if(@fopen($a4,"r")){echo '<li class="royalSlide"><img src="'.$a4.'" alt="" /></li>';
}
if(@fopen($a5,"r")){echo '<li class="royalSlide"><img src="'.$a5.'" alt="" /></li>';
}
if(@fopen($a6,"r")){echo '<li class="royalSlide"><img src="'.$a6.'" alt="" /></li>';
}
if(@fopen($a7,"r")){echo '<li class="royalSlide"><img src="'.$a7.'" alt="" /></li>';
}
if(@fopen($a8,"r")){echo '<li class="royalSlide"><img src="'.$a8.'" alt="" /></li>';
}
if(@fopen($a9,"r")){echo '<li class="royalSlide"><img src="'.$a9.'" alt="" /></li>';
}
if(@fopen($a10,"r")){echo '<li class="royalSlide"><img src="'.$a10.'" alt="" /></li>';
}
if(@fopen($a11,"r")){echo '<li class="royalSlide"><img src="'.$a11.'" alt="" /></li>';
}
if(@fopen($a12,"r")){echo '<li class="royalSlide"><img src="'.$a12.'" alt="" /></li>';
}
你聽說過循環嗎? – Nazariy 2011-12-21 12:14:06
...或['file_exists()'](http://php.net/manual/en/function.file-exists.php)? – 2011-12-21 12:20:24
嘿,你真的認爲重新排序這段代碼會讓它更快嗎?! – 2011-12-21 12:28:11