PHP
Function
- PHP SPL, the forgotten gem -- concise modern magic
- PHP SPL Notes - Ruan Yifeng's weblog
- PHP filter_input_array() function
oracle
- pdo_oci connect to oracle database_Weighing -- Night Traveler_Baidu Space
- pdo connects to oracle - Lao A's column - Blog channel - CSDN.NET
Others
- mysql database synchronization check monitoring script implementation (transfer) - drrrrr5's column - Blog channel - CSDN.NET
- Usage of BlowFish encryption algorithm in php - Taoguang - Blog Park
- Please give me some advice from experts on converting numeric ID to letter ID using PHP. Example page code - CSDN Forum - CSDN.NET
- PHP ip2long() solution to returning a negative value | Tsung's Blog
- PHP export MySQL data to Excel file | This customer
- php capture div content - chamtianjiao's column - Blog channel - CSDN.NET
- php export excel method - transfer to_sunking_Sina Blog
- Call methods of good classes in PHP - Just Code - ITeye technology website
- php display_errors and error_reporting assignment methods - Pilipa wxx's log - NetEase Blog
- How to obtain the files loaded during the execution of the PHP page-Technical Q&A-PHPChina - Powered by Discuz!
- PHP DES encryption function - Solved - SosoQuest
pdo
- Linux php5 oci pdo install - qingflyer's column - Blog channel - CSDN.NET
socke
- php in Use of socket - phpzxh - Blog Park
- php socket explanation and examples - Php application - Php tutorial - Yiju Tutorial Network
codeIgniter
- CodeIgniter 2.1.0 white screen error debugging - Cocowool - Blog Park
Optimize PHP5.3 -5.5
- PHP Best Practices (Translated)
- Use memcache to synchronize sessions in web cluster - Happy Every Day (Zhou Chao’s personal blog)
- PHP: New features - Manual
Compilation
- Linux smooth compilation upgrade php to 5.5.0 - Open Source China Community
- MariaDB | Qicai Ge’s foreign trade B2C SEO, SEM tips
- Analyze and solve iconv’s lundefined reference to `libiconv_open’ when compiling PHP | DevOps
- Compiling, installing lnmp and solving problems - captain - Blog Channel - CSDN.NET
php-fpm
- 【Summary】PHP-FPM configuration optimization - zhengdl126 - ITeye technology website
- Detailed configuration based on php-fpm_php example_Script Home
- php-fpm introduction and configuration - tonyXf121's column - Blog channel - CSDN.NET
- php configuration php-fpm startup parameters and configuration details_php skills_Script Home
Newcomers
- More than 100 classic and simple PHP example codes, very suitable for newbies and friends to practice!
Xdebug
- Xdebug basic configuration parameters - God's blog - Blog channel - CSDN.NET
The above has introduced PHP related collections, including aspects of content. I hope it will be helpful to friends who are interested in PHP tutorials.

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。

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。

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。

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。

在PHP中,可以利用implode()函数的第一个参数来设置没有分隔符,该函数的第一个参数用于规定数组元素之间放置的内容,默认是空字符串,也可将第一个参数设置为空,语法为“implode(数组)”或者“implode("",数组)”。

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。


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