PHP

When I saw the address of a regular article today, I found the Array_unique function, and I didn't know what he was doing. After finding out, he was going to the data in the array, Here's a look at the Array_unique syntax: Array_unique (Array ());

How to page pages in PHP This is a beginner's tutorial, we have a bit of a difference with the ASP page, let's talk about the simplest PHP page code, we need to have a database. If we have a number in the database there is a table A below is the

To make this system more powerful, we don't want all users to have the same status in our group. Some users need administrators, other moderators, and other ordinary users only. How can we think of this in our object? The answer is inherited-the

Connecting to a database$link _id = mysql_connect ("localhost", "root", "") or Die ("Connection failed");if ($link _id){mysql_select_db ("My_test");if (!$_get[id]){ $result =mysql_query ("SELECT * from UserInfo");echo " number User name Sex Age

// Use imagecreatetruecolor for the instanceHeader ('content-type: image/png ');$ Im = @ imagecreatetruecolor (120, 20)Or die ('cannot Initialize new GD image stream ');$ Text_color = imagecolorallocate ($ im, 233, 14, 91 );Imagestring ($ im, 1, 5, 5

The chmod () function changes the file mode.Chmod-Changes file modeTRUE is returned if the call succeeds. Otherwise, FALSE is returned.SyntaxChmod (file, mode) Parameters Description File

 Is_file-Tells whether the filename is a regular fileUsage ps教程is dc-description">BoolIs_file(String$ Filename) $ File is a required parameter.Let's take a look at a classic is_file test instance.Var_dump(is_file('a_file.txt '))."";Var_dump (is_file

Syntax: Boolean switch Directory (string directory) dirDirectory Changes to. Changes current working directory.Returns true upon success. If an error occurs, FALSE is returned.ExampleIf (chdir ("upload ")){Print "Changed current directory

PHP array_slice () functionPHP Array functionsDefinition and usageThe array_slice () function extracts a value from the array based on the conditions and returns it.Note: If the array has a string key, the returned array retains the key name. (See

Php imagecolorallocateImagecolorallocate-assign a color imageInt imagecolorallocate (resource $ image, int $ red, int $ green, int $ blue)Returns the color of a given RGB component.Imagecolorallocate () must be called to create each color, which

Imageantialias(PHP 4> = 4.3.2, PHP 5)DescriptionBoolean imageantialias ($ sourc, $ bool)The active line anti-walk pattern quick draw method and wired polygon. It does not support Alpha components. It can be directly mixed. However, it can only be

Zend_version(PHP 4 and PHP 5)Zend_version-the obtained version of the current Zend engineDescriptionString zend_version (invalid)Returns the version of a string that is currently running the Zend Engine.Return valueReturns the Zend Engine version

Extract(PHP 4 and PHP 5)Extract-import to the current variable symbol table from an arrayDescriptionExtract (array $ var_array [Abstract $ extract_type = EXTR_OVERWRITE [, string $ prefix])Imports an array of variables to the current symbol

 In_array(PHP 4 and PHP 5)In_array-check whether an array of values existsDescriptionBoolean in_array (mixed $ needle, array $ heexke [, Boolean $ strict])Search for the needle of heatake.ParametersNeedleThe value to be searched.Note: If the needle

Array_search("= 4.0.5, PHP 5" in PHP 4)Array_search-the key to the success of a search array for a certain value and the corresponding returnDescriptionHybrid array_search (Hybrid $ needle, array $ heatake [, Boolean $ strict])Search for the needle

Array_splice(PHP 4 and PHP 5)Array_splice-some arrays are deleted and replaced with othersDescriptionArray array_splice (array & $ investment, international $ offset [Abstract $ Length = 0 [, mixed $ change])Delete the specified element offset and

Array_map("= 4.0.6, PHP 5" in PHP 4)Array_map-array of considerations for various elements of callbackDescriptionArray array_map (callback $ callback, array $ arr1 [, array $...])Array_map () returns all content contained in an array. The callback

Get_cmd_var(PHP 4 and PHP 5)DescriptionString get_cfg_var (string $ option)PHP configuration options.This function does not return the PHP edits set during configuration information, or read the configuration files from Apache.Check whether the

Set_include_path("= 4.3.0, PHP 5" in PHP 4)Set_include_path-set and include_path configuration optionsDescriptionString set_include_path (string $ new_include_path)And the deadline script for the include_path configuration

Curl_init("= 4.0.2, PHP 5" in PHP 4)Curl_init-initialize a curl meetingDescriptionResource curl_init ([String $ url = zero value])Initialize a new meeting and return a curl processing for the curl_setopt (), curl_exec (), and curl_close () functions.