PHP Tutorials

The ToString () Magic method automatically calls the method when it is used as a string, and in that method, you can return a certain string to indicate the result of the object being converted to a string. 　　The Magic method is more commonly used.

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 so-called constant is a simple identifier. The value cannot be changed during script execution. Constants are case sensitive by default. Usually, constant identifiers are always uppercase. Constants can only contain scalar data (Boolean, Integer,

Introduction to PHP default parameter functions In PHP, the default invocation of a function is supported, which is to specify a default value for the parameter. The previous section describes the reference parameter function of the PHP function,

PHP basename () function gives a string containing a full path to a file, this function returns the basic file name, this article collected about the use of PHP basename () function to get the file name of a few articles, I hope to understand that

PHP Encryption Extension Library-mhash extension Library What is the Mhash extension library: Mhash is a non-reversible PHP encryption extension library based on discrete mathematical principles, which is not turned on by default. Mhash can be used

How to use the GD2 function to add text to a picture (PHP graphic image typical Application tutorial 2) The GD Library in PHP supports Chinese, but it must be passed in UTF-8 encoding format, if the imagesstring () function is used to draw Chinese

Regular Expressionsis a logical formula for string manipulation, which is to make a "rule string" that is used to express a filter logic for a string by using a predefined set of specific characters and combinations of those specific characters.

The following small series for everyone to bring a PHP mortgage calculator instance Code, equal and principal interest, equal to the principal. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a

The following small series for everyone to bring a PHP parsing mht file converted to HTML instance. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. PHP

PHP is one of the most widely used scripting languages. Market share can explain its dominance. The fact that PHP 7 has been introduced makes this programming language more appealing to current developers. Despite some changes, many developers are

What this section explains The implementation of the calculator Super Global variables Nested PHP code in HTML Objective PHP language is the development of server-side language, is the processing of data, PHP development is

The following is a php file manipulation function. Of course, this is only part of it, and there are a lot of them that I didn't list. First, the parse path: 1 Get the file name: BaseName ();Give a string containing a full path to a file, this

Some of the UI components supported by the YII framework are described earlier, in addition to the UI components described earlier, the YII framework provides a library of zii components, including a list view ListView, a tabular view of the

foreach () The PHP foreach () syntax structure is used to traverse an operation or an output array, and foreach () can only be used to iterate over an array or an object, resulting in an error when trying to use it for another data type or an

$conn = new COM ("ADODB. Connection "); $connstr = "Driver={microsoft Access DRIVER (*.mdb)}; Dbq= ". Realpath ("Www.jb51.net/db.mdb"); The COM interface is used to connect to the access. $conn->open ($CONNSTR); $rs = new COM ("ADODB. RecordSet ");

This paper describes the stock information query class based on curl implemented by PHP. Share to everyone for your reference, as follows: Stock information query function we need to crawl the data of the third party, and then we analyze the data

This crud is not a curd in TP. The TP only completes the automatic operation of the data. I want to complete the operation through the PHP configuration, automatic completion of the entire management background, all table Management

PHP converts seconds to days, hours, and minutes: function Secstostr ($secs) { if ($secs >=86400) {$days =floor ($secs/86400); $secs = $secs%86400; $r = $days. ' Day '; if ($days <>1) {$r. = ' s ';} if ($secs >0) {$r. = ', ';}} if

This article introduces in detail about PHP dirname, basename, pathinfo parsing directory path, there is a need to learn friends can refer to. 1:string basename (string path[,string suffix]); Give a string containing a full path to a file, this