PHP

Php code for uploading Image proportional scaling /** * * @ Author zhao jinhan * @ Date January 13, 2014 11:54:30 * @ Email xb_zjh@126.com * */ Header ('content-type:

Mysql_result () function of PHP Mysql_result () function of PHP Definition and usageThe value of a field in the returned result set returned by the mysql_result () function. If successful, the function returns the field value. If

Explode function usage instructions // Example 1 $ Pizza = "piece1 piece2 piece3 piece4 piece5 piece6 "; $ Pieces = explode ("", $ pizza ); Echo $ pieces [0]; // piece1 Echo $ pieces [1]; //

Php file header A detailed introduction to the header of the PHP file is the most detailed article that programmers have ever seen. do not miss such a good article if you have any needs. Php file header informationDetailed

How does php clear varnish cached files? Function clearVarnish ($ ip, $ url, $ host = null ){ $ Errstr = ''; $ Errno = ''; $ Varnist_arr = isset ($ host )? $ Host: C ('varnish _ list ');

Php + mysql paging query code and demo // To avoid errors caused by repeated file inclusion, the following conditions are added to determine whether a function exists: If (! Function_exists (pages )){

Php user-defined function recursively replaces the content in the array /** Desc: recursively replaces array content Link: bbs.it-home.org Date: 2013/2/22 */ Function arrContentReplact

An example of how to define a php long string (heredocument) $ Xx = I am not long, I am not long, I am not long ,? Script school http://bbs.it-home.org Html;

Usage of ++ I and I ++ in php For more information about the usage of ++ I and I ++ in php, see.For more information about the usage of ++ I and I ++ in php, see.1. usage of ++ I (using a = ++ I, I = 2 as an example)Add the I value to 1

How to clear bom in php files in batches // This file is used to quickly test whether the UTF-8 encoded file is added with BOM and can be automatically removed. $ Basedir = "."; // modify the directory to be

An example of using redis queue in php $ Redis = new Redis (); $ Redis-> connect ('2017. 0.0.1 ', 127 ); While (True ){ Try { $ Value = 'value _ '. date ('Y-m-d H: I: s '); $ Redis-> LPUSH

How to convert data to scientific count when exporting data to excel // In the excel. php file $ ObjActSheet = $ objPHPExcel-> getActiveSheet (); // Set the topic name $ ObjActSheet-> setCellValue ("b1",

Notes on three common design patterns in php Class SingetonBasic { Private static $ instance; // Other vars .. Private function _ construct (){ // Do construct .. } Private

List random fixed length integers and various server request methods List random fixed length integers and various server request methods 1. Random integer generation function (number of digits: $ pw_length) Public

Php generates a random code segment /* * Note: generate a random code and display the random code graphically. */ $ ViewRandomCode = mt_rand (1000,10000 ); Session_start (); $ _

Php removes useless format functions directly pasted from word Function ClearHtml ($ content, $ allowtags = ''){ Mb_regex_encoding ('utf-8 '); // Replace MS special characters first $ Search =

Quick url rewriting method in php5.3 or later versions # --------------. Htaccess start --------------- RewriteEngine on RewriteRule! \. (Js | ico | gif | jpg | png | css | swf | htm | txt) $ index. php

Supports Chinese php encryption and decryption /** * Copyright (c) 2011-01 XatuDream * XatuDream All Rights Reserved. * Support: 185390516.qzone.qq.com * QQ: 185390516 *

Example of generating high precision time in php $ Start = microtime (true ); For ($ I = 0; I I Preg_match ('/age = \ d +/', $ _ SERVER ['query _ string']); } $ End = microtime (true ); ?>

Solution to Undefinedindex and Undefinedvariable in php This prompt always appears in the php project process. at first, $ act was used to accept the data from form post: $ act =$ _ POST ['AC'];This prompt always appears in the php project