PHP Tutorials

How does PHP convert the full-width symbol in text to half-width? This article will share a good package of conversion methods, you can refer to. We hope to help you. Converts a string containing full-width numeric characters, letters, spaces, or '%

First experience lumen, encountered a problem, from the database to find the time than the database saved TIMESTAMP time 8 hours, it is clear that this is a time zone setting problem, this article on the main and everyone to share the lumen timezone

To use the soapclient, new a hint Class ' soapclient ' not found, check the next phpinfo, the reason is not compiled this extension, had to now add. This article mainly introduces the PHP Class soapclient not found solution, the need for friends can

This article is mainly to share with you PHP file upload class and PHP package of multi-file upload class related code, with a certain reference value, interested in small partners can refer to, hope to help everyone. uploadfile (' FM ');/* Print

TP data validation in two ways, one is static, one is dynamic, the previous form verification is JS write, here can also use the TP framework validation.　However, the comparison between the two is better than JS verification, because the TP

In view of the previous introduction of the Swoole, the Swoole server/client and the multi-process mechanism are used to describe the lock. This article mainly introduces the PHP file lock and Process lock Use example, here only for the PHP lock

How is the middleware of Laravel implemented? This paper mainly introduces the implementation principle of Laravel middleware, and analyzes the concept, principle and related methods of laravel middleware in detail, and the use of the technique,

Title PHP Junior Test is just looking for a job of inexperienced programmers to see, this to us out of the interview to provide a lot of help, the interviewer will often test us, and this time to see the face of the question has played a big role.

installation via composer : 1. The following method is loaded via composer PHP Composer.phar require "2amigos/yii2-qrcode-helper" "*" or add "2amigos/yii2-qrcode-helper": "*" To the Composer.json file of the corresponding project To install

This article mainly introduced PHP implementation of the simple arithmetic calculator function, combined with an example of PHP based on the implementation of the stack of expression arithmetic function, the need for friends can refer to, hope to

1, the Process Control statements mainly have if, ii...else, ElseIf (sometimes can also be written as else if), switch four kinds. The statement format in PHP is: if (condition satisfied) {EXECUTE statement} if (condition satisfied) {EXECUTE

Regular expressions, also known as regular expressions. A concept of computer science. Regular tables are often used to retrieve and replace text that conforms to a pattern (rule). Many programming languages support the use of regular expressions

This article mainly introduces the PHP implementation of statistics all characters in the string occurrences of the method, involving the PHP character traversal and statistical operations related operation skills, the need for friends can refer to

Taskphp based on the original eco PHP development of the scheduled task framework, the use of multi-process to achieve task allocation and operation, using the original ecological PHP memory sharing to achieve inter-process communication, support

Instance Find the last occurrence of "PHP" in the string: Definition and usage The Strrpos () function finds the position of the last occurrence of a string in another string (case-sensitive). Note: the Strrpos () function is

Last year, our company developed an e-commerce products, which is an integrated app,web end of the B2B2C e-commerce platform, and we in the development of the web side also adopted a front-end separation of development mode, then the Web side plus

Bo Master recently need to do a logistics information query, go online search for a courier Bird API interface, the return value is in JSON format, only need to return to the group can easily implement a variety of instances. is a courier Bird API

Objective PHP is a managed language, in PHP programming programmers do not need to manually handle the allocation and release of memory resources (using C to write PHP or Zend extensions), which means that PHP itself implements the garbage

Instance Parse A string: The sscanf () function parses input from a string according to the specified format. The sscanf () function parses a string into a variable based on a format string. If only two parameters are passed to the function, the

Traversing an array is the most common in programming, and here's a discussion of the for and foreach two methods: First, we'll prepare two arrays for traversal: $arr 1=array (1=> ' A ', 3=>22, 5=> ' B ', 4=> ' C ', 8=> ' d '); $arr 2=array (' a ' =