PHP Tutorials

This article collects some of the most commonly used system constants in PHP for your reference. System constants The relative path of the file's current PHP files Line number in your current PHP file function name, only functions

GetType () is used to obtain the type of the variable. The type string returned may be one of the following strings: Integer, Double, string, array, object, unknown type Is_numeric (mixed Var)://test measurement variable is not for digital or

Data tables are cross-intersecting, interrelated, laravel one-to-many, a pair of more good understanding, this article focuses on the examples to explain the laravel in the many-to-many relationship, interested friends to see it together Data

What does 1.PHP mean? Hypertext Preprocessor (hypertext preprocessor) What is 2.PHP used for? PHP is a common open source scripting language. Grammar absorbs the C language, Java and Perl (actual extraction and reporting language) characteristics,

Now write some more useful scripts, such as checking what browser the visitor is using on the Browse page. To do this, you need to check the user's agent string, which is part of the HTTP request sent by the browser. This information is stored in a

PHP three ways to set the maximum execution time of a script The default maximum execution time in php.ini is 30 seconds, which is specified by the Max_execution_time variable in php.ini, if the script needs to run for a long time, for example to

PHP may take a long time to execute when it completes certain operations. This will need to set his execution time, or the server will stop execution after the execution time expires, the page appears blank. Two solutions are recommended

We know a lot of open-source software Unlimited classification is the use of recursive algorithm, but we know that recursion is a waste of time, and wasted space (memory), the last time I also shared an infinite classification of my own original

This article mainly for you in detail the PHP simple message This function of the implementation code, with a certain reference value, interested in small partners can refer to This example for everyone to share the PHP message this function of the

Working in the C language on arrays and hash tables, there are two different basic methods for storing any number of independent data elements in a struct. Both methods have pros and cons. vector Vs. List applications are often written based on the

First look at an example: b=new B (); $ This->c=new c (); $this->b->method (); $this->c->method ();//todo}}class b{public function B () {//todo} Public function 1. Detailed example code for PHP control inversion (IOC) and Dependency injection (DI)

This article mainly introduces the PHP session deserialization vulnerability problem, the need for friends can refer to the following There are three configuration items in php.ini: Session.save_path= "" --set the session's storage path

PHP needs to master the knowledge is more, the most basic such as: PHP basic syntax, PHP framework and CMS, MySQL database design table, MySQL database basic SQL statement. Now the general PHP will have to be front-end, that includes: Js/ajax, HTML,

PHP in the ternary operator is also called the three-mesh operator, in fact, I often call it a question mark as a running character can actually do this, ternary operators can achieve a simple conditional judgment function, I would like to give you

An operator is a symbol that tells the compiler to perform a particular arithmetic or logical operation, and usually forms an expression along with the operand, which we often see as participating in mathematical operations or logical operations.

When using the Phpwamp Auto task, many students encounter the following problem: "The Web service does not start automatically after the Phpwamp Green integration Environment restarts the computer (server)" (if it is a different environment or if

This article mainly summarizes some in the daily work found, PHP useful but easy to be ignored by people, such as PHP function of the existence of the judgment function, PHP function variable function, and so on, the need to follow the small series

This article describes how to use Android to manipulate Excel files in an Excel file when you export a report using an open Source library JXL, originally used in Java, but also available for Android. A similar poi, because it relies on a large

This article mainly introduces the PHP implementation of the registration, login and query user Data API interface, combined with specific examples of PHP server-side user registration, login, query and Curl Landing query function implementation

In web development, the serialization and deserialization of objects are often used, more mainstream JSON format and XML format serialization and deserialization, today want to write a Jsop small demo, the results found not to use PHP serialization,