PHP Tutorials

P> no hate GBK Unicode UTF8 Kanji Conversion PHP's conversion of Chinese characters has always been a rather troublesome thing. The class contains four filters "&#[dec];", "& #x [hex];", "%u[hex]", "UTF8 conversion" User-friendly and customizable

Here are just a few simple and common functions, chop performs the removal of whitespace processing, get_html_translation_table returns a conversion list to a variable, and defines a string that includes HTML encoding Htmlentities,htmlspecialchars_

Before using Ob_flush (), make sure that the previous content is 4069 characters large enough. Some Web server output_buffering default is 4069 characters or larger, that is, the output must reach 4069 characters to flush the output buffer, in order

function Description of PHP ABS device () returns the absolute number 3rd ACOs () returns the 3rd number of arccosine Acosh () returns the inverse hyperbolic cosine of number 4th Azeem () return to the 3rd of the inverse chord Asinh () returns the

A detailed introduction to the PHP exec System passthru systems function usage and security and other application features, a friend of the need to refer to. Difference:System () outputs and returns the last line of the shell results.EXEC () does

The syntax structure of a programming language (lexical structure) is a collection of basic rules that govern how to write programs in a language. The syntax structure is the lowest-level language syntax, and it's what the variable names look like,

This class can be used with the bulk of the email, testing the environment is Linux, the system needs to install SendMail to use if (! defined (' mail_class_defined ')) { Define (' mail_class_defined ', 1); Class Email { function email ($subject, $

The Usleep () function delays code execution for several microseconds. The unpack () function unpack the data from a binary string. The Uniqid () function generates a unique ID based on the current time in microseconds. The Time_sleep_until ()

In PHP, variables that are defined in a function, including parameters, cannot access the external variables of the function, and, by default, variables that are defined outside a function cannot be accessed by a variable. In the PHP tutorial,

We are using PHP variables 1. Define constants define ("CONSTANT", "Hello World"); Constants can only contain scalar data (boolean,integer,float and string).When calling a constant, simply use the name to get the value of the constant, not the "$"

This is just a simple way to iterate through an array. The PHP foreach () function can only be used in arrays, and an error occurs when trying to use it for other data types or an uninitialized variable. There are two kinds of syntax, and the second

PHP Rawurlencode and Rawurldecode Tutorials Rawurldecode(PHP 4, PHP 5)Rawurldecode-decoding URL-encoded stringsDescribeString Rawurldecode (String $str)Returns a string in which the sequence of percent sign (%) signs after two hexadecimal digits are

We are using1, the use of mbstring Extension Library MB_SUBSTR interception will not appear garbled. 2, write the interception function, but the efficiency is not as high as the Mbstring expansion library. 3, if only for the output interception of

What we are going to bring to you today is aboutRequirements: A paragraph of text interception of a certain physical length display, note that to intercept is not the number of bytes of the string, UFT-8 encoding of the character is 3 bytes or 4

Arthur J.riel once said that you do not have to strictly abide by these principles and will not be sentenced to religious punishment for violating them. But you should think of these principles as alarms, and if you violate one of them, the alarm

Pfctemplate Main Features 1. High efficiency Because there is no formal expression to parse variables and chunks in the program, PHP built-in strings are used Processing function, so the efficiency may be slightly higher than the same product 2.

What happens if you use a big mirror as a surfboard? Perhaps you will conquer the waves in a short time, but you must know from the bottom of your heart that this is not the right choice for surfing. The same principle applies To PHPProgramming,

? Php $ file = ' Dirlist. PHP '; $ result = @unlink ($file); if ($result = = False) { Echo ' Mosquitoes have driven away '; } else { Echo ' cannot be driven away '; } ?> Can. It is also easy for PHP to delete the

For my personal amateur projects and future programming revenue-generating activities, PHP has been retired as a choice for my programming language. It is not easy to make this decision, but it is necessary for the continuation of the programming

First, Introduction The use of PHP technology to develop the automatic Web page generation tool, not only can be used as a self-help station platform, but also as a website management system. Its data update to a large extent to meet the user's