Home  >  Article  >  Backend Development  >  Comparison of writing methods that affect the execution speed of PHP+MYSQL Page 1/7_PHP Tutorial

Comparison of writing methods that affect the execution speed of PHP+MYSQL Page 1/7_PHP Tutorial

WBOY
WBOYOriginal
2016-07-21 15:58:02776browse

[code]include_once("../db.php"); 

if($_GET[x2]==0 and $_GET[x1]==0) 

$t=" s1='' "; 
}else 



if($_GET[x2]!=0) 

$t=" x2='$_GET[x2]' "; 
}else 
if($_GET[x1]!=0) 

$t=" x1='$_GET[x1]' and x2=0 "; 




$query = "select count(*) from ask_member  where  $t   "; 
$result2 = mysql_db_query($DataBase, $query); 
$r3 = mysql_fetch_array($result2); 
$amount=$r3[0]; 
$page_size=5; 
if($amount%$page_size==0 and $amount>0) 

$pagecount=($amount/$page_size); 
}else 

$pagecount=intval($amount/$page_size)+1; 

if($_GET

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/317672.htmlTechArticle[code]?php include_once("../db.php"); if($_GET[x2]==0and$_GET[x1]==0) { $t="s1=''"; }else { if($_GET[x2]!=0) { $t="x2='$_GET[x2]'"; }else if($_GET[x1]!=0) { $t="x1='$_GET[x1]'andx2...
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn