PHP

This article describes the magic constant _ METHOD _ in PHP. you can use _ METHOD _ to obtain the name of a METHOD in the class, and the magic constant added after PHP5, for more information, see _ METHOD _, which is a new magic constant after PHP5,

This article mainly introduces the error-level variable Comparison table of PHP error_reporting. you can use the error_reporting () function to set errors in PHP: Its parameters include string and number representation methods, which have a total

This article describes how to calculate the time difference between two dates (year, month, and day) in php, and how many days, months, and pre-dates in Weibo, for more information, see The PHP program. In most cases, you may encounter handling time

This article mainly introduces the new usage of ThinkPHP3.1 widgets. For more information, see ThinkPHP. ThinkPHP3.0 does not provide sufficient support for Action and View. it can only implement basic template rendering output. The multi-layer

This article mainly introduces ThinkPHP's use of PHPExcel to import and export Excel data. it is a very practical function. For more information, see PHPExcelThinkPHP. The examples described in this article are used in the Thinkphp development

This article mainly introduces how to use the key, value, current, next, and prev functions in php to traverse arrays. it gives a detailed analysis of common techniques and instance usage of array traversal in php, for more information about how to

This article mainly introduces how php uses the ksort () function to sort joined arrays by keys. The example shows how to use the ksort () function in php, for more information about how php uses the ksort () function to sort joined arrays by Keys,

After WMAP is installed, it cannot run successfully. Then we found that Apache has never been running. Go to the Apache option in WMAP to select start but cannot start. Below are some ideas and methods to solve this problem. Apache Recently, due

Composer is a PHP package dependency management tool, similar to RubyGems in Ruby or NPM in Node. it is not official, but is now very popular. This article does not describe how to use Composer, but focuses on its autoload content. For example, if

This article mainly introduces how to implement data nested loops by category in Thinkphp. it is applicable to nested loops with relevance and is a practical technique. For more information, see ThinkPHP. This article describes how to implement a

This article mainly introduces the built-in Math function efficiency test in PHP, tests the execution time of related PHP built-in mathematical functions in the form of examples, and analyzes the running efficiency, if you need it, you can refer to

This article mainly introduces the common php Data file cache class. The example describes the php file cache and the method of using memcache to cache data. the code is encapsulated and easy to use. it is a very practical technique, you can refer

This article mainly introduces how to delete employee information of a specified number in php + mysql, which involves mysql database operation skills and has some reference value, for more information about how to delete employee information of a

This article mainly introduces the exception handling methods in php, summarizes common php exception handling techniques in the form of examples, and has some reference value, for more information about how to handle exceptions in php, see the

This article mainly introduces how to use php + mysql to implement the like feature with Ajax, and analyzes in detail the html pages and Ajax functions involved in implementing the like feature in the form of a complete instance, as well as the php

This article mainly introduces the PHP5 full-version bypass open_basedir file read script vulnerability, which was proposed a long time ago (about five years ago) and still exists in the latest version, A friend who needs the vulnerability can refer

This article mainly introduces in detail the various use methods of mysql connection methods in PHP, which is a personal summary. if you have any omissions, please let me know. if you need them, please refer to them. Common PDO methods: PDO: query

This article mainly introduces the PHP method for implementing general alert functions. The example analyzes the php custom alert function implementation tips, which is of great practical value, for more information about how to implement the common

This article mainly introduces the php method of submitting a form to send an email. The example analyzes the php method of sending an email using a form, which is of great practical value, for more information, see the example in this article.

This article mainly introduces the PHPSession and how to keep it from expiration, including the explanation of the Session recycling mechanism and the solution to the problem that SessionId remains unchanged, if you need a SESSION, refer to the