PHP Tutorials

Because the ftp of their own website does not have the property of directly setting the file on the space, then wrote a section of PHP code to modify the Index.php file property After you set the read-only property for the index.php file, the

This article is the use of PHP implementation of regional classification sorting algorithm is introduced in detail, the need for a friend reference Write a function that will data$array = Array (0=>array ("", "Hebei"),1=>array ("",

This article mainly introduced the PHP function Func_num_args usage, combined with the example form more detailed analysis Func_num_args function return function parameter correlation use skill, has the certain reference value, needs the friend to

This article mainly introduces the PHP statistical array of 10 occurrences of the most frequent number of methods, involving PHP array_count_values and Arsort methods related to the use of skills, very practical value, the need for friends can refer

This article mainly introduces the PHP implementation of the simple Chinese verification code function, combined with an example of the PHP Chinese verification Code to implement the steps and Operation methods, including graphic creation, coding

The following small series for everyone to bring a PHP folder to get all the files of the recursive algorithm of a simple example. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it

This article mainly introduced the PHP custom interception Chinese string method, has the very good reference value, below follows the small compilation together to look down First of all: online There are many of the code of this problem, but

This article is a detailed analysis of the differences in PHP var_dump,var_export,print_r three functions, the need for a friend reference The following example looks at the specific differences between the three functions, where var_dump and

Var_export must return a valid PHP code, that is, the code returned by Var_export can be directly assigned to a variable as PHP code. And this variable gets the same type of value as the Var_export. Problem findingWhile tracking the

This article mainly introduces the differences between Echo,print_r and Var_dump in PHP, mainly describes the type of the three types of nature and the use of operational data types of differences, very practical value, the need for friends can

This article mainly introduces the method of drawing round in PHP, analyzes the basic steps of drawing in PHP and the method of drawing the circle, and needs the friend to refer to the following This example describes how PHP draws a circle. Share

Analysis of usage of PHP constructor function The declaration of the PHP constructor is the same as the declaration of the other operation, except that its name must be construct (). This is a change in PHP5, in the previous version, the name of

This article mainly introduces the PHP recovery array key for the number sequence method, involving the PHP operation array key name of the technique, the need for friends can refer to the next The example in this paper describes the method of the

Removing duplicate functions in an array with PHP implementation 1. Function: Remove duplicate elements in array and sort key names function Assoc_unique ($arr, $key) {$tmp _arr = array (); foreach ($arr as $k + = $v) {if (In_array ($v [$key],

The following small series for everyone to bring an article with PHP to remove the file header Unicode signature (BOM) method. 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

PHP SQLite Class code. The code is as follows: _msqlite = new PDO (' SQLite: '. $databa Sefile); }else{$this->_merrorinfo= "database file not found"; return false; }}/** * Database has a statement operation that returns

The GET_MAGIC_QUOTES_GPC function is a method used to determine if the data provided by the user is added to the slash, which in the php.ini configuration file Oh, this article will describe the GET_MAGIC_QUOTES_GPC () function description. Let's

Time () is a number in PHP that indicates how many seconds have gone from 1970-01-01 to now, it's weird. But it's easy to calculate, To find out the day before is time () -60*60*24; To find out when the previous year was time () *60*60*24*365 So

In object-oriented programming, it is an object-based operation, and if I have two different classes, Class A and Class B, in the same file, instantiate the object, you can invoke both Class A and Class B functions in this file. '; }} Class

This article mainly introduces the PHP programming calculation file or array of words in the frequency of the method, gives 2 statistical word frequency examples, involving PHP regular, array manipulation and string traversal and other related