PHP Tutorials

Javascript 0.1 + 0.2 Why isn't it equal to 0.3? (correct result: 0.30000000000000004) 0.8 * 7 Why not equal to 5.6? (correct result: 5.6000000000000005) Php Var_dump (intval (0.58 * 100)); The correct result is 57, not 58 The curse of floating-point

E-mail is our daily development is essential to meet a demand, the following this article mainly introduces you about the laravel5.4 use 163 mailbox to send mail steps, the text through the sample code and pictures introduced in very detailed, the

This article mainly introduces you about PHP under the same domain name two different projects how to do the independent login mechanism of the relevant information, the text through the sample code introduced in very detailed, to everyone's study

This article mainly introduces the laravel5.4+vue+element simple construction of the sample code, with a certain reference value, interested in small partners can refer to Now Laravel came to the 5.4 version, more convenient to introduce Vue, the

This is about the shopping cart class where PHP implements the codeigniter of imitation writing. Share to everyone for your reference. Specific as follows: Shopping Cart Basic Features: 1) Add items to your shopping cart2) remove items from your

The Laravel framework is one of the most popular PHP development frameworks in the world. In recent years, Laravel has rapidly occupied the first share of the PHP development framework with its strong, secure and elegant features. Now the Laravel

Javascript 0.1 + 0.2 Why isn't it equal to 0.3? (correct result: 0.30000000000000004) 0.8 * 7 Why not equal to 5.6? (correct result: 5.6000000000000005) Php Var_dump (intval (0.58 * 100)); The correct result is 57, not 58 The curse of floating-point

This article mainly introduces the use of PHP + laravel How to implement the deployment automation of the relevant information, the text through the sample code introduced very detailed, to everyone's study or work has a certain reference learning

Establishing TCP requires three handshakes to be established, while disconnecting requires four handshakes. The entire process is as follows: Let's take a look at how to make a connection. "Updated in 2017.01.04" This part of the content is

The following small series for everyone to bring a PHP to make a circular user picture of the example _ Custom encapsulation class source code. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a

PHP supports a variable number of parameter lists in user-defined functions. In php5.5 and earlier versions, the Func_num_args (), Func_get_arg ( ), and Func_get_args () functions were implemented. Output: 1aArray ( [0] = a) 31Array ( [0] = 1

Session control is a way of tracking the user's communication, using session control mainly based on the following points: Because of the stateless nature of the HTTP protocol, the association between two requests cannot be established through the

This article mainly introduces the method of Laravel framework to realize Redis cluster, briefly analyzes the function setting steps, related operation skill and matters needing attention of Redis database cluster in Laravel framework, and needs

If you need to handle thousands of eloquent results, you can use chunkCommand. chunkThe eloquent method takes a "chunk" of the model and populates it with a given closure for processing. Use chunkMethod can effectively reduce memory consumption when

A PHP query IP location Code class, the first IP index offset address, the last IP index offset address, in order to be compatible with PHP5 the following version, this class does not use destructors, automatically shut down the IP library, the IP

The traditional Ajax polling method, the customer service side at the user-defined time interval to the server to query the latest data. This method of pulling data takes a short time interval to ensure the accuracy of the data, but too short a time

This article mainly introduces several ways to send HTTP requests from PHP, and it is interesting to know how to send HTTP requests in addition to using CURL outside of PHP. In PHP development we used curl to encapsulate HTTP requests, what is curl?

1. Preface Sometimes you need to export your database table resources to Excel to make some report data. There are several ways in which PHP exports Excel: Use PHP's class library for export, such as Phpexcel Exporting using native PHP

We often encounter the creation of files directory, file (folder) editing operations, today to introduce you a PHP file directory operation class, you can set up directories, delete directories, create files, delete files, move folders, copy folders

In our daily development work, something will encounter PHP recursive JSON, then we will introduce to you today PHP recursive JSON class code, parse the main function, parse the index array, parse the array of numbers, check whether an array is