PHP Tutorials

Stat (), Lstat (), file_exists (), is_writable (), is_readable (), is_executable (), Is_file (), Is_dir (), Is_link (), Filectime (), Fileatime (), Filemtime (), Fileinode (), filegroup (), Fileowner (), filesize (), filetype (), fileperms ()

The PHP strip_tags () function removes the HTML, XML, and PHP tags from the string, returning the string after the tag is removed, but how do we use the PHP strip_tags () function when we encounter the need to keep multiple HTML tags? This article

This article has compiled 10 articles about PHP natsort () functions, please refer to the view 1. The NVIDIA GeForce 9400 GT PHP natsort kernel function Analysis 1th/2 page Brief: NVIDIA GeForce 9400 Gt:nvidia GeForce 9400 GT PHP Natsort kernel

Friends have just learned PHP, often found in the browser output of the content will be a bunch of garbled problems, especially when the output of Chinese. Why is there a case of garbled characters? In general, there are 2 reasons for garbled

Array_count_values calculates the number of occurrences of all values in a one-dimensional array $array = array (1, "Hello", 1, "World", "Hello");p Rint_r (Array_count_values ($array)) ; output: Array ([1] = 2 [Hello] = 2 [World] = 1) '). addclass ('

One, write the file 1. Open a resource (file) fopen ($filename, $mode) 2. Write File fwrite ($handle, $STR) 3. Close File Fclose ($handle) 4. One-Step write File_put_contents ($ FileName, $str, $mode) file_append LOCK_EX} Second, read the file 1.

A simple example of PHP interpreter mode sharing 1. A simple example of PHP interpreter mode sharing Summary: 2. [Translation][php extended development and embedded] Chapter 1th life cycle of-php Introduction: In the common webserver environment,

There have been many symbols of regular expressions before, this article will give you a summary of all the common symbols. All symbols Explained Character description \ marks the next character as a special character, or a literal character, or a

variable function In PHP, which supports variable functions, first define some functions, then declare a variable, use variables to invoke different functions, and then continually re-assign values to the variables. Below we will introduce a

Why is there a garbled Chinese? Many novice friends learn PHP, found in the program of Chinese in the output will appear garbled problem, then why this garbled situation? In general, there are 2 reasons for garbled characters, one is due to the

This lesson is divided into 10 modules, from the configuration file format (php/ini/json/xml) to scene configuration, module configuration, extended configuration, standalone configuration, dynamic configuration, custom configuration loading,

what is a class constant? What we can understand in PHP is that the value is constant, so what is a class constant? In fact, the class constants are also easy to understand, we can always keep the constant value of the class is called constants,

In this article we describe what an abstract class is and how to use it. What is an abstract class? Abstract classes cannot be instantiated, and the same method is not implemented, just providing a method declaration, not a specific implementation.

Use the Mktime () function in PHP to convert a time into a Unix timestamp. The Mktime () function returns the UNIX timestamp based on the parameters given. The timestamp is a long integer that contains the number of seconds from the Unix era

Such problems are often encountered in the work. I get a two-dimensional array, but the array contains only the ID and name. For example, this array is: $array = array (' ID ' =>a, ' name ' = ' Hy369 '), array (' ID ' =>b, ' name ' = ' PHP blog '),

Learn the "break" jump out of the loop, and then to learn one of our "Continue" jumps out of the loop. Continue jump out of the loop no break strong, continue can only terminate this cycle and enter into the next cycle Break and continue the

The string function trim () is to remove white space characters or other predefined characters on either side of the string, which is very important in our program development, this article on the mobile phone a few about the PHP string function

What is a namespace? The names of function names, class names, and constants declared in PHP cannot be duplicated in the same run, otherwise a fatal error is generated, and a common workaround is to contract a prefix. For example, in the case of

drawing geometry using the GD2 function (PHP graphic image typical Application tutorial 4) This article mainly explains the use of the GD2 function to achieve the drawing of the geometry, first we need to create an image, in the previous article we

PHP Encryption Extension Library-mcrypt extension Library Before beginning the text of this article, let's look at what is the PHP encryption Extension Library: PHP is not only a few cryptographic functions (MD5,CRYPT,SHA1), in addition to PHP,