php锛媘ysql鎵庡疄涓汉鍩烘湰鍔焈PHP鏁欑▼ | 甯涔嬪

涓€. 10鍙ヨ瘽
1.涓嶈渚濊禆register_global=ON鐨勭幆澧冿紝浠庝綘鍒氭噦寰楅厤缃畃hp杩愯鐜鐢氳嚦灏氫笉鏄庣櫧register_global鐨凮N/OFF浼氬鑷繁鏈変粈涔堝奖鍝嶇殑閭ｅぉ璧凤紝灏卞簲璇ュ媷鏁㈠湴鎶婂畠璁句负OFF.
2.鍐欑▼搴忓墠鐪嬬湅鎬庝箞鐢╡rror_reporting.
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10.鏈夌┖澶氱湅鐪嬪埆浜虹殑绋嬪簭锛屾壘鍑轰粬浜虹殑涓嶈冻鎴栦紭鐐癸紝鑷繁鎺傞噺銆?BR>
浜? 鍚勫彇鎵€闇€

1.鍠勪簬浣跨敤鈥滃紩鐢ㄢ€?瀹冭兘鐩存帴褰卞搷鍒扮▼搴忕殑鏁堢巼銆?BR>
2.鍠勪簬鐢ㄤ笁鍏冭繍绠楀瓙,鍙互璁╃▼寮忚緝绮剧畝鏈夋晥鐜囥€?BR>姣斿:

PHP浠ｇ爜:<hr>

<br>if ($data[$i][nickname])

<br>{

<br>    $nickname =  $data[$i][nickname];

<br>}

<br>else

<br>{

<br>    $nickname =  $data[$i][ip];

<br>}<br>



<hr>

鍙互鍐欐垚:

PHP浠ｇ爜:<hr>

<br>$nickname =  $data[$i][nickname] ? $data[$i][nickname] : $data[$i][ip];<br>



<hr>

3.鍠勪簬缁勭粐if...else...鍥炲湀
姣斿:

PHP浠ｇ爜:<hr>

<br>$ext_name = strtolower(str_replace(".", "", strrchr($upfilename, ".")));

<br>if (!empty($type))

<br>{

<br>    if (!strpos($type, $ext_name))

<br>    {

<br>        echo "Please upload the file of $type form.";

<br>        exit();

<br>    }

<br>}<br>



<hr>

涓婇潰鐨勪唬鐮佷綘搴旇鍐欐垚杩欐牱:

PHP浠ｇ爜:<hr>

<br>$ext_name = strtolower(str_replace(".", "", strrchr($upfilename, ".")));

<br>if (!($type===) && strpos($type, $ext_name)===false)

<br>{

<br>    echo "Please upload the file of $type form.";

<br>    exit();

<br>}<br>



<hr>

4.灏介噺璁╀綘鐨勪唬鐮佹竻娣呬簺
濡傛灉鍐欐垚杩欐牱锛屾槸姣旇緝璁╀汉澶寸棝鐨?

PHP浠ｇ爜:<hr>

<br>$foo=$_post["foo"];

<br>   $username=$_post["user"]; 

<br>$group=$_POST["group"];

<br>if ($group=="wheel"){

<br>$username=$username."wheel";

<br>}<br>



<hr>

鍚屾牱鐨勪唬鐮侊紝杩欐牱灏辨瘮杈冭浜虹湅寰楄垝鏈嶄簡:

PHP浠ｇ爜:<hr>

<br>$foo      = $_post["foo"];

<br>$username = $_post["username"];

<br>$group    = $_POST["group"];

<br>if ($group=="wheel")

<br>{

<br>    $username = $username."wheel";

<br>}<br>



<hr>

褰撶劧锛屾湁涓€瀹氬熀纭€鍚庯紝浣犲簲璇ヨ鍐欐垚杩欐牱:

PHP浠ｇ爜:<hr>

<br>$foo      = &$_POST[foo];

<br>$username =  $_POST["group"]!=wheel ? $_POST["username"] : $_POST["username"].wheel;<br>



<hr>

5.缂栧啓瑙勮寖鐨刴ysql 璇彞銆?BR>瀛楁鍜岃〃鍚嶇敤"`"寮曡捣鏉ワ紝閬垮厤淇濈暀瀛楃殑褰卞搷銆?BR>濡傛灉鐪嬪埌涓嬮潰杩欐牱鐨勪竴涓猻ql query锛屼細璁╀汉姣旇緝澶寸棝:

PHP浠ｇ爜:<hr>

<br>$query="select `flash_comment`.`content` , `flash_comment`.`nickname` , `flash_comment`.`date` , `flash_comment`.`ip` , `product`.`p_name` , `sgflash`.`fid` from `flash_comment` left join `product` on ( `flash_comment`.`p_no` = `product`.`p_no` ) left join `sgflash` on ( `product`.`p_name` = `sgflash`.`f_name` ) where `flash_comment`.`p_no` !=  order by `flash_comment`.`date`";<br>



<hr>

鍚屾牱鐨勪竴涓猶uery,鍐欐垚杩欐牱灏变护浜虹湅寰楁槑鐧藉緱澶氫簡:

PHP浠ｇ爜:<hr>

<br>$query = "SELECT `flash_comment`.`content` , `flash_comment`.`nickname` , `flash_comment`.`date` , `flash_comment`.`ip` , `product`.`p_name` , `sgflash`.`fid` 

<br>          FROM `flash_comment` 

<br>          LEFT JOIN `product` ON ( `flash_comment`.`p_no` = `product`.`p_no` ) 

<br>          LEFT JOIN `sgflash` ON ( `product`.`p_name` = `sgflash`.`f_name` ) 

<br>          WHERE `flash_comment`.`p_no` != 

<br>          ORDER BY `flash_comment`.`date`";<br>

http://www.bkjia.com/PHPjc/532436.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/532436.htmlTechArticle涓€. 10鍙ヨ瘽 1.涓嶈渚濊禆register_global=ON鐨勭幆澧冿紝浠庝綘鍒氭噦寰楅厤缃畃hp杩愯鐜鐢氳嚦灏氫笉鏄庣櫧register_global鐨凮N/OFF浼氬鑷繁鏈変粈涔堝奖鍝嶇殑閭ｅぉ璧凤紝灏卞簲...