PHP

ThinkPHP obtains the functions of the previous article in ThinkPHP. you can refer to the method below and apply them to other websites with slight modifications. the method is the same! // Obtain the functions of the previous article in

The function in PHP to determine whether the directory is empty determines whether the directory is empty, true is empty, false is not empty functionis_empty_dir ($ fp) {$ H = @ opendir ($ fp ); $ I = 0; while ($ _ file = readdir ($ H) {$ I ++; PHP

Method 1 to optimize the PHP program. Ifamethodc ++ anbestatic, declareitstatic. Speedimprovementisbyafactorof4. if a method can be static, it should be declared as static. The speed can be increased to 4 times. 2. echoisfas method for optimizing

The conversion function of the file size unit in PHP is to convert the file size unit to KB, MB, GB, and other functionRealSize ($ size) {if ($ size & lt; (1024) {return $ size. 'byte';} if ($ size & lt; conversion function of object Byte size unit

PHP programmers must know 13 coding habits & nbsp; 1. when using select to query information from the same database, use a join statement to get all the information you need at a time, instead of writing multiple mysql_query/while/mysql_fetch_array

Php-fpm compilation error InordertocompilePHPon64bityouneedtousetheoption -- with-libdir = lib64otherwiseyouwillstayforeverwiththefollow php-fpm compilation error In order to compile PHP on 64 bit you need to use the option -- with-libdir = lib64

How does phpcmsv9 disable the front-end and back-end login verification codes? Delete the following code? \ Phpcms \ modules \ member \ index. php ?? Search for the following four lines of code: // Determine the verification code ??? $ Code = isset (

Sometimes, it is very convenient to call the same method of variable parameters in PHP. PHP can define optional parameters with default values to make this practice possible. Brand website construction: http://www.ucantech.com/this method can be

PhpExcel correctly reads the excel table and uses phpExcel to read the excel file. The Read TIME column contains 5 digits, not the desired time (I don't know why ), after searching an excelTime function on the Internet, you can correctly convert the

PHP does not support the curl_exec function to solve the following problems when installing the ENET for Chinese women. The host does not support curl_exec. So what is Curl? Below, I would like to share with you: curl is a file transfer tool that

PHP deletes the content of a specific array and reconstructs the array index. we know that network marketing training www.wlyxtrain.com. PHP does not provide a method to delete a specific array element. however, you can use the unset () function. &

Php Basics (1)-Magic reference php Basics-magic reference sample code download page http://xieye.iteye.com/blog/1336095 (in Attachment) Magic reference refers to: the server automatically converts some characters, to facilitate the programmer's

The question about the carriage return when php writes a text file is found today when writing a log file, the written content does not wrap. I checked some information to find some problems .? The related code is as follows :? File_put_contents ($ _

Php 5 learning record (2) I. reload performance 1. reload of attributes and methods php allows reload of attribute access and method calls by implementing special proxy methods, these proxy methods will be called when the relevant property or method

Xdebug is used to analyze the reference of PHP which has never understood the reference of php. during the interview today, xdebug seems to understand a little bit and record it .? Code1 :? $ A = "xiaoshenge"; $ B = & amp; $ a; unset ($ B); analyze

Php simple verification code & lt ;! -- * @ Copyright (c) 2011 * @ author: Ernest * @ time: 2011 * @ version: new -- & gt; & lt ;? PhpclassVerifyImg {public $ fontSize = 1 php simple verification code Length; $ I ++) {// generate a string $

PHP performance optimization summary 0. use single quotes instead of double quotation marks to include strings, which is faster. Because PHP will search for variables in strings enclosed by double quotes, but not in single quotes. Note: Only echo

Differences between php functions method_exists () and is_callable (): What is the difference between php functions method_exists () and is_callable? In the php object design process, we often need to determine the difference between the php

Phpexcel provides many methods to read xls files. I am using the phpexcel class, and I am also wondering that the downloaded files are quite large, even if [img] [/img] is what netizens say, the size is 18 MB. let's see how phpexcel reads xls files.

Php processing check box checkboxphp is slightly different from asp in obtaining the checkbox value. He needs to name the name of the multiple selection box in the form into an array like php: name [], such as & lt; inputname = "area []" type =