PHP official website ---- http://www.php.net/
If your English level is acceptable, it is recommended to visit here frequently. The latest and most authoritative technical documents and software are available here.
China PHP Alliance ----http://www.phpx.com/ Chinese PHP information is comprehensive, informative and updated in a timely manner.
(1) PHP technical documentation
Beyond PHP ----http://www.phpe.net/
Beyond PHP website is a brand new, open source, non-profit PHP Teaching site. Special columns include classic articles, Class downloads, etc., and there is an online PHP communication community
Tianji.com---Software Channel---PHP Album----http://www.yesky.com/72342371945349120 /index.shtml
Pacific Network College-ph ---- http://www.pconline.com.cn/pcedu/empolder/wz/php/
21st Century The Chinese PHP Network and Chinese PHP Club provide technical documents and learning tutorials related to LINUX, Apache Web server, MYSQL database, PHP4, and PHP5 program development.
Empire Development ----http://www.phome.net/
A large number of original PHP technical documents. There is also PHP source code download. 6. PHP Chinese website ----http://www.openphp.cn/
Provides PHP and Web development and other related resources.
PHP&MORE ----http://www.phpmore.com
The first PHP electronic magazine (PDF) in China, providing the latest PHP information, one issue per month. Technical articles related to PHP5 will be released one after another.
Netbei ----http://www.netbei.com/Article/php/
It is rich in content and provides a large number of basic articles, which is worth reading.
CSDN Technology Community ----http://community.csdn.net/
If you don’t understand anything, leave a message here and experts will help you solve the problem.
PHP5 Research Laboratory ----http://www.phpv.net/
It has rich information and I go there often.
2) PHP source code resources
China source code download site----http://www.downcode.comPHPChina open source community portal
Provides a large number of ASP, CGI, PHP, JSP, .NET, Java special effects and other website building source codes, as well as various software download and cracking applications!
Source Code Home----http://www.mycodes.net/ PHPChina Open Source Community Portal
After a period Due to time adjustments, Source Code Home has now begun to update again, and the speed is relatively fast. PHPChina Open Source Community Portal
Code China Network----http://www.codechina.net
Sunshine Download----http://www.downm.com http://down.89dns.net/
One of the recent popular code download sites has a shortcoming, that is, the opening speed is a bit slow, maybe because of the large number of people. PHPChina Open Source Community Portal
PHPChina Open Source Community Portal
5. Happy Family Network----http://www.puterkey.com
The main works include PKYDOWN text download system, PKY text article system, etc. It is a service attitude that is very good A site. PHPChina Open Source Community Portal
6. I Love PHP Network----http://www.ipp.org/
A download site full of text PHP codes, the codes inside are all very good , but the update speed is too slow. PHPChina Open Source Community Portal
China Webmaster Station----http://www.chinaz.com
Code Download Base----http://www.ddown.com
China Source Code Center----http://www.cncode.com/
ASP300 ----http://www.asp300.com/
China Code Hengyi Data Center----http:/ /www.china-code.net
Confidence Network Studio----http://www.xxsky.com
Huaxun Kunxiang----http://www.ftpshow.com
Yifeng Download Station----http://www.iwind.org
1. Taiwan Chung Yuan University PHP video tutorial (five files)
http://www.yeshack .com/jc/200609/4406.htmlPHPChina
http://www.yeshack.com/jc/200609/4407.htmlPHPChina
http://www.yeshack.com/jc/200609/4408.htmlPHPChina
http://www.yeshack.com/jc/200609/4409.htmlPHPChina
http://www.yeshack.com/jc/200609/4410.html
2. PHP4. 0Learning video tutorial
http://download.jz173.com/softht... 20055301932310.html
http://download.osssacc.org/class/php/php_2/php1.mpg
http ://download.osssacc.org/class/php/php_2/php2.mpg
http://download.osssacc.org/class/php/php_2/php3.mpg
http://download.osssacc .org/class/php/php_2/php4.mpg
http://download.osssacc.org/class/php/php_2/php5.mpg
http://download.osssacc.org/class/php /php_2/php6.mpg
http://download.osssacc.org/class/php/php_2/php7.mpg
http://download.osssacc.org/class/php/php_2/php8.mpg
4. IIS 5.0 PHP MYSQL video tutorial
http://download.jz173.com/softht... 20052162327360.html
http://202.116.32.249/itat/dtwy/disk2 /25/25.asf
http://202.116.32.249/itat/dtwy/disk2/26/26.asf
http://202.116.32.249/itat/dtwy/disk2/27/27.asf
http://202.116.32.249/itat/dtwy/disk2/28/28.asf
PHP video tutorial from entry to master Super classic (size 15.6G)
ftp://yule :www.vodzy.com@www.vodzy.com/php/php.rar

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。


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