PHP

Small example of array deduplication in php for beginners The code is as follows: Function assoc_unique ($ arr, $ key ){ $ Tmp_arr = array (); Foreach ($ arr as $ k =>$ v ){ If (in_array ($ v [$ key], $ tmp_arr )){ Unset ($ arr [$ k]); }

Preg_replace is used to search and replace regular expressions. if only strings are matched, str_replace () is recommended. because of its high execution efficiency, preg_replace is used to search and replace regular expressions, we recommend that

This article will implement the following functions: mobile phone number verification, mobile phone number, escape, convert string encoding to UTF8, interested friends can refer to, maybe this article is helpful to you The code is as follows: //

The JSON-related functions of PHP applications are json_encode ($ PHPcode), while the JSON-parsed functions of PHP applications are json_decode ($ JSONcode. We will introduce JSON in detail in this article Processing of js returned data by php

In php, the quickest way to read files is to use functions such as file and file_get_contents, A few simple lines of code can perfectly complete the functions we need. However, when the operated file is a relatively large file, these functions are

The php code that intercepts the string and retains the complete xml tag. if you need it, refer The code is as follows: /** * Author: goosman * Blog: http://blog.csdn.net/lgg201 * Mail: lgg860911@yahoo.com.cn */ $ Str = '000000 '; Function substr_

Php converts a string into a class referenced by an HTML object. if you need it, refer The code is as follows: Class HtmlEncode { Static $ _ convertToHtmlEntitiesSrcEncoding = 'utf-8 '; /** * Convert a non-ASCII string to an HTML object * *

There are many methods to obtain the position of an element in the array. among them, PHP itself has a built-in function array_keys (). the following code can print all the built-in functions of PHP, if you are interested, you can learn how to use

Sometimes when we read the database output, we may need to sort the data by the Chinese user name. some new friends have no idea about this. next we will introduce the implementation method in detail in the small editor, if you are interested, you

The purpose of this code is to capture the error content when the php program we write goes wrong and send it to our email so that our friends who develop PHP by mistake will know that, in fact, the most worrying thing is that there are some

Today, I have read some official IBM documents and some XML-related documents. I have sorted out some key points and some examples of writing and reading XML in PHP for later use. use DOM to generate and read XML files Instance 1: The code is as

There are too many restrictions on the blog garden, so I decided to change my blog from the blog Garden (cnblogs. WORDPRESS has a good reputation, so I decided to use it for reference. Hundreds of logs sent earlier need to be imported. I searched

The FineUploader is used for browser adaptation. fineUploader implements file upload in ajax mode. if you need to upload files, you can refer to the need to upload files when processing background data recently. fine Uploader is used for browser

The following article mainly introduces some excel operation implementation code based on PHPEXCEL. For more information, see the following: The code is as follows: Require ("http://www.bitsCN.com/PHPExcel/Classes/PHPExcel.php "); $ File = "D :\\

When collecting data, you often need to use the curl + regular expression method to collect the required data. based on your work experience, share some commonly used custom functions you have written with you. this is a series of articles that

Boolean is the simplest type in PHP. The value can be TRUE or FALSE. Boolean is the simplest type in PHP. The value can be TRUE or FALSE. For example: $ Foo = false;$ Foo1 = true;When echo "is false, the output value is:". $ foo; // no output

This article summarizes some of the most easily forgotten knowledge points in PHP. For more information, see 1. Define constants: The code is as follows: // 1Define ("TAX_RATE", 0.08 ); Echo TAX_RATE; // output 0.08 // 2 (PHP 5.3)Const TAX_RATE2 =

This article introduces the sample code for simulating the get_headers function in php. For more information, see The code is as follows: 02 if (! Function_exists ('Get _ headers ')){ 03 function get_headers ($ url, $ format = 0 ){ 04 $ url =

This article introduces the functions and usage of the get_headers function in php. For more information, see get_headers (). It is a PHP System-level function. it returns an array containing the header sent by the server to respond to an HTTP

Cut off the title of the article and control it in 15 texts. next we will explain how to implement this requirement. if you are interested, refer to Function: mb_substr ($ str, $ start, $ length, $ encoding) $ Str: string to be truncated $ Start: