PHP

Questions about determining whether a user is online !!! I have been hearing about how to determine whether a user is online. I have no idea. I 'd like to ask you for help today !! Thank you !! Reply to discussion (solution) Record the session to

Curl is powerful, but it cannot be successful even when it is capturing the homepage of the petal network !!!!!!! Curl is always used to capture pages, which is very convenient and time-honored. However, in a seemingly simple operation of crawling

When compiling the PHP source code, I encountered a problem that Baidu could not reach Google .. Please help me compile the PHP source code and encounter a problem that Baidu cannot reach Google .. Please help me C: \ php-sdk \ php54dev \ vc9 \ x86

Consult the expert: data import and export between two php platforms PHP moodle data transmission Requirements: The student information (user name, password, name, email, and professional code) on the enrollment platform is imported to the

How to reuse php if condition code PHP code reuse I have an if condition (composed of multiple expressions), which is used on many pages, but this condition changes at any time, for example: If (condition) {Statement} How can I reuse code with

Which of the two is called the PHP Bible better? PHP has also learned a certain degree and wants to buy a good book. I have heard that these two foreign famous books are called the "PHP Bible", and the online reviews are both good, but I am afraid

Xiaomei, I want to learn about PHP ?? Online waiting for a girl is engaged in. net development. it has been around for more than a year. I want to transfer to PHP and ask the man to recommend learning methods and materials. thank you. Reply to

After mac is upgraded to yosemite, php extensions are fixed. after mac is upgraded, php is automatically upgraded, causing php environment damage. So we need to fix the following points: 1. Sudo ln-s/Applications/Xcode.

FIG-PHPPSR specification series 4-automatic loading 1. PSR-4 specification: automatic loading Although it was pointed out in [PSR-4-Meta] that the PSR-4 was a supplement to the PSR-0 specification rather than a replacement, but it had been written

An error occurred when using variables in html code. Could you please kindly advise? could you tell me how the second input does not show the value? Thank you. $ Urlfrom = $ _ SERVER ['http _ referer']; ?> "> Reply to

Linux compiling Ldap extension What is Ldap? Ldap is a Lightweight Directory Access Protocol, which is short for Lightweight Directory Access Protocol. Start compilation Cd/usr/local/src/php-5.4.36 (your php

This article mainly shares the knowledge of PHP Data type conversion. PHP Data type conversion is forced conversion. The PHP Data types that can be converted include: (int), (integer): converted to integer & nbsp; (float), and (double), (real):

This article describes how to develop large PHP projects in php (oop and objectorientedprogramming ). I will show you how to reduce coding and improve quality by using some oop concepts and php skills. Good luck! The concept of object-oriented

Php Optimization & lt ;? Phpdefine & nbsp; server & nbsp; info & nbsp; begin $ servername & nbsp; 192.168.1.182; & nbsp; $ serverusername & nbsp; whh; & nbsp; $ serverpassword & nbsp; & nbs php optimization // Define server info begin$ Servername

A question about floating point modulo operation is a routine in the book & lt ;? Php $ a5; $ b3; echo & nbsp; $ a $ B % $ B ;? & Gt; the result of the above case Modulo is 1. The following is my personal understanding, but I am not sure. please

PDO: ATTR_CLIENT_VERSION what does this double colon mean? the two symbols in the PHP class edited by lghyt in 2013-12-0612: 34: 45 are dizzy. PDO: ATTR_CLIENT_VERSION & nbsp; what is the meaning of this double colon PDO: ATTR_CLIENT_VERSION?

Phpexcel provides many methods to read xls files. I am using the phpexcel class. 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

Php returns a page with onclickhistory. go (-1); or onclickhistory (back); php form after submission and then back, the form content is cleared by default (when session_start is used ), the solution is to write the header ("Cache-control: private")

In linux, I deleted a file, but kept a swp file. how can I restore the original file ...... How to restore the original file ...... ------ Solution ------------------ assume that your swp file is called. m. php. swp available vim with-r parameter

How do I check whether a string exists in the page URL? In view of security, if you want to obtain the url of this page, check whether the string "script" exists. If yes, access or exit is prohibited. How to implement it? ------ Solution ------------