Difference between numbers 0 and null in php

This article mainly introduces the difference between the number 0 and the null value in php, and uses an instance for your convenience. if you need it, you can refer to it as a qualified php programmer, some basic knowledge must be known, for

PHP open-source development framework ZendFramework FAQ and solution _ php instance

ZendFramework (ZF) is an open-source PHP development framework fully developed by Zend based on PHP5. it can be used to develop Web programs and services. ZF uses Model-View-Controller (MVC) the architecture mode separates different parts of the

PHP collection class Snoopy image capturing instance _ php instance

This article mainly introduces the PHP collection class Snoopy image capturing instance. Snoopy is a powerful PHP collection class that can be used to develop some collection programs and thieves programs, if you need it, you can refer to the Snoopy

ThinkPHP template engine-detailed description of how to import resource files _ php instances

This article describes how to import resource files to the ThinkPHP template engine. For more information, see, the traditional method of importing external JS, CSS, and other resource files on a webpage is directly used in the template file:

ThinkPHP method for using the smarty template engine _ php instance

This article describes how ThinkPHP uses the smarty template engine. if you need ThinkPHP, you can refer to ThinkPHP to support multiple php template engines and configure them as needed. The following uses the Smarty template engine as an example

PHP5.3 add magic method__ invoke overview

This article mainly introduces the new magic method _ invoke in PHP5.3. For more information, see the new magic method named _ invoke in PHP since version 5.3, by using this method, you can directly call an object after creating an instance. Example:

Explanation of mutual conversion between IP addresses and integer numbers in PHP

This article describes how to convert IP addresses and integer numbers in PHP. This article introduces the use of ip2long and long2ip functions in PHP and their bugs, finally, two algorithms are provided by myself. if you need them, you can refer to

PHP image library imagemagick installation method

This article describes how to install imagemagick in the PHP image library. this image library has a wide range of application values. For more information about how to install imagemagick in the PHP image library, see this article. Share it with

PHP uses curl to simulate the user's login to Sina Weibo

This article mainly introduces PHP's method of using curl to simulate users' login to Sina Weibo, and analyzes in detail the principle and method of curl imitating users' login to Sina Weibo, which is a very practical technique, for more information

Php url parameters retrieval method summary

This article mainly introduces the php method for obtaining url parameters. The example summarizes the method for parsing URL using the parse_url () function. For more information, see the example in this article. Share it with you for your

Php uses the fsockopen function to send post and get requests to obtain webpage content

This article mainly introduces how php uses the fsockopen function to send post and get requests to obtain webpage content. it is a typical PHP application of socket programming, for more information about how php uses the fsockopen function to send

Summary of functions related to PHP file read/write operations

This article mainly introduces the summary of functions related to PHP file read/write operations. This article summarizes fwrite (), fread (), fgets (), fgetc (), file (), readfile () for more information about functions and examples, see I. fwrite

Usage analysis of php character comparison functions similar_text, strnatcmp, and strcasecmp

This article mainly introduces the usage of php character comparison functions similar_text, strnatcmp, and strcasecmp, and analyzes in detail the usage of these three string comparison functions in the form of examples, which is of great practical

Sharing a classic and Practical PHP image processing class

This article mainly introduces a classic and Practical PHP image processing class. The PHP image Operation class provided in this article can meet most of the functional requirements of the website, such as film scaling, watermarking, and cropping,

Example of using imagecopyresampled function for image scaling in PHP

This article mainly introduces the example of using imagecopyresampled function to implement image scaling in PHP image processing. This article first explains the knowledge of the imagecopyresampled function, and then provides an example of the

Example of creating an image and drawing text in PHP

This article mainly introduces the example of creating an image and drawing text in PHP. the text displayed in the image also needs to be drawn according to the coordinate position. in PHP, it not only supports a large number of library fonts, it

Brief introduction to PHP optimization (experience sharing)

Next I want to explain my understanding of PHP optimization. The goal of optimization is to get the fastest running speed and the most easy-to-maintain code at the minimum cost. when writing a program, we always want to minimize the resource

Thinkphp static cache usage analysis _ php instance

This article mainly introduces thinkphp's static cache usage and analyzes in detail the static cache configuration methods and related operation skills, which has some practical value, for more information about thinkphp static cache usage, see this

Php implementation of SDK (demo) extension based on WeChat public platform

This article mainly introduces how php expands SDK (demo) based on the public platform, including processing text messages, weather, translation, chat information, and custom menus, for more information, see the following example. Share it with you

Solution to mail failure in php using the mail function

This article describes how to solve the mail failure of the mail function in php. it involves the configuration skills for the components related to the Linux operating platform and has some reference value, if you need it, refer to the example in

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