PHP开发常用的10段代码

本文格式为Word版，下载可任意编辑——PHP开发常用的10段代码PHP是一种通用开源脚本语言。语法吸收了C语言、Java和Perl的特点，下文是为大家精选的PHP开发常用的10段代码，接待大家阅读。

1、使用PHPMail函数发送Email

$to=@;

$subject=VIRALPATEL.net;

$body=BodyofyourmessagehereyoucanuseHTMLtoo.e.g.﹤br﹥﹤b﹥Bold﹤/b﹥;

$headers=From:Peter;

$headers.=Reply-To:info@;

$headers.=Return-Path:info@;

$headers.=X-Mailer:PHP5;

$headers.=MIME-Version:1.0.;

$headers.=Content-type:text/html;charset=iso-8859-1.;

mail$to,$subject,$body,$headers;

?﹥

2、PHP中的64位编码和解码

functionbase64url_encode$plainText

$base64=base64_encode$plainText;

$base64url=strtr$base64,+/=,-_,;

return$base64url;

functionbase64url_decode$plainText

$base64url=strtr$plainText,-_,,+/=;

$base64=base64_decode$base64url;

return$base64;

3、获取远程IP地址

functiongetRealIPAddr

if!empty$_SERVER[HTTP_CLIENT_IP]//checkipfromshareinternet

$ip=$_SERVER[HTTP_CLIENT_IP];

elseif!empty$_SERVER[HTTP_X_FORWARDED_FOR]//tocheckipispassfromproxy

$ip=$_SERVER[HTTP_X_FORWARDED_FOR];

else

$ip=$_SERVER[REMOTE_ADDR];

return$ip;

4、日期格式化

functioncheckDateFormat$date

//matchtheformatofthedate

ifpreg_match/^[0-9]4-[0-9]2-[0-9]2$/,$date,$parts

//checkweatherthedateisvalidofnot

ifcheckdate$parts[2],$parts[3],$parts[1]

returntrue;

else

returnfalse;

else

returnfalse;

5、验证Email

$email=$_POST[email];

ifpreg_match~[a-zA-Z0-9!#$%*+-/=?^_`|~]@[a-zA-Z0-9-].

[a-zA-Z0-9]2,4~,$email

echoThisisavalidemail.;

else

echoThisisaninvalidemail.;

6、在PHP中轻松解析XML

//thisisasamplexmlstring

$xml_string=﹤?xmlversion=1.0?﹥

﹤moleculedb﹥

﹤moleculename=Benzine﹥

﹤symbol﹥ben﹤/symbol﹥

﹤code﹥A﹤/code﹥

﹤/molecule﹥

﹤moleculename=Water﹥

﹤symbol﹥h2o﹤/symbol﹥

﹤code﹥K﹤/code﹥

﹤/molecule﹥

﹤/moleculedb﹥;

//loadthexmlstringusingsimplexmlfunction

$xml=simplexml_load_string$xml_string;

//loopthroughtheeachnodeofmolecule

foreach$xml-﹥moleculeas$record

//attributeareaccesstedby

echo$record[name],;

//nodeareaccesstedby-﹥operator

echo$record-﹥symbol,;

echo$record-﹥code,﹤br/﹥;

7、数据库连接

﹤?php

ifbasename__FILE__==basename$_SERVER[PHP_SELF]send_404;

$dbHost=localhost;//LocationOfDatabaseusuallyitslocalhost

$dbUser=xxxx;//DatabaseUserName

$dbPass=xxxx;//DatabasePassword

$dbDatabase=xxxx;//DatabaseName

$db=mysql_connect$dbHost,$dbUser,$dbPassor

dieErrorconnectingtodatabase.;

mysql_select_db$dbDatabase,$dbordieCouldntselectthedatabase.;

#Thisfunctionwillsendanimitation404pageiftheuser

#typesinthisfilesfilenameintotheaddressbar.

#onlyfilesconnectingwithinthesamedirectoryasthis

#filewillbeabletouseitaswell.

functionsend_404

headerHTTP/1.x404NotFound;

print﹤!DOCTYPEHTMLPUBLIC-//IETF//DTDHTML2.0//EN﹥.n.

﹤html﹥﹤head﹥.n.

﹤title﹥404NotFound﹤/title﹥.n.

﹤/head﹥﹤body﹥.n.

﹤h1﹥NotFound﹤/h1﹥.n.

﹤p﹥TherequestedURL.

str_replacestrstr$_SERVER[REQUEST_URI],?,,$_SERVER[REQUEST_URI].

wasnotfoundonthisserver.﹤/p﹥.n.

﹤/body﹥﹤/html﹥.n;

exit;

#Inanyfileyouwanttoconnecttothedatabase,

#andinthiscasewewillnamethisfiledb.php

#justaddthislineofphpcodewithoutthepoundsign:

#includedb.php;

?﹥

8、创造和解析JSON数据

$json_data=arrayid=﹥1,name=﹥rolf,country=﹥russia,

office=﹥arraygoogle,oracle;

echojson_encode$json_data;

9、处理MySQL时间戳

$query=selectUNIX_TIMESTAMPdate_fieldasmydate

frommytablewhere1=1;

$records=mysql_query$queryordiemysql_error;

while$row=mysql_fetch_array$records

echo$row;

10、解压缩Zip文件

﹤?php

functionunzip$location,$newLocation

ifexecunzip$location,$arr

mkdir$newLocation;

for$i=1;$i﹤count$arr;$i++

$file=trimpreg_replace~inflating:~,,$arr[$i];

copy$location./.$file,$newLocation./.$file;

unlink$location./.$file;