PHP Tutorials

Why is the empty minus null output 0? There is a table UUU, with only 1 data, as follows: $AAA = false;Query statement: ' SELECT * from UUU where id= '. $aaa Does this query return false, or ', or null, or what? I tried this: $k = '-';$k =

Discuz about posting data saving function Discuz Post There is a mechanism, when the transmission is interrupted, will save the data, when the next time you log in, appear: You have the last uncommitted successful data recovery data I want to

PHP new, Chinese garbled problem urgently seeking answers I hit the book with a string of code that lets the user enter a string of characters and print it out. Building A From $search =htmlentities ($_post["search"]);$self =htmlentities

Write your own PHP extension in C This article link: http://blog.csdn.net/ddjohn/article/details/42317675 This article references: http://blog.csdn.net/taft/article/details/596291 If you have not written PHP extensions and are a geek of performance,

Questions about the Array_diff function I use Array_diff comparison to read the TXT file title and I set the same, where the last field is always determined to be different, the surface of the last field more than a space, I added a space, also

Sphinx How to install under Windows See Phpcms official about Sphinx Windows installation Http://v9.help.phpcms.cn/html/2010/search_0919/35.html Then it was downloaded and installed, but why not do it according to the requirements above? Hint that

Ask a php to check MySQL problem I used PHP to look up some data from MySQL,But I want to know the data types of these fields, what to do with them,I don't know what this SQL is or it's not, it's possible that more than one table or field is

PHP access to LAN shared files Hello, everyone! I want to access the image file on another computer in the LAN, but I can't find it in PHP. In PHP with filesize test the size of the picture is not! The code is: $filename = "Http://172.16.18.123/pic/2

Keyword matching project in-depth study (II.)-Introduction of the thought of sub-table (ii) Introduction of the idea of sub-table Recent Articles: 1 architecture application of high concurrency Data acquisition (Redis application) 2) Highly

Contact PHP is also 1.5, want to ask the next who should be in what aspects of learning what knowledge Learn PHP 1.5, more than a year of time in the enterprise project growth. Access to some of the technology, usually the web development skills are

SQL statements generated by the thinkphp3.1 view model cannot be executed In making an order system, you can't print anything when using a view model. Custom View Model Order ViewClass Orderviewmodel extends viewmodel{Public $viewFields = Array

Binary control the lowest bit fixed, the other bit left to move one bit, how to achieve? such as my lowest is 1 is used to do the authority of the system to judge, each one represents a permission, but the lowest fixed is used to judge the module,

Ask a discuz post to write to the database file Ask the next discuz3.2 version, the file written to the database is not forum_post.php What is the main paragraph? is not this paragraph, but look not like AH: $extra =!empty ($_get[' extra ')?

For beginners, two questions, please. Hello everyone, I have been learning PHP for some time, have a few questions to ask, I hope you help thank First question: I usually do the site, the direct use of the button to submit the form, followed by

Can MySQL database synchronization be synchronized for a single table? First question: Can MySQL database synchronization be synchronized for a single table? Other words 1. There are a1,a2,a3 three tables in database A, and there is only one A1

Thinkphp study should be based on which version to learn Thinkphp now the version is 3.2.2, but the official is the tutorial really 3.1 of the tutorial, the directory of things changed a lot, but look at the development manual a little touch the

thinkphp Data Template display-system variables, constants, configuration files Second, the system variable output Normal template variables need to be assigned first to output in the template, but the system variables do not need to be directly

Ask a question about the MySQL list A1 A2 A3 Three tables now I'm writing the words Select A1.*,sum (A2.money) as money from A1 left joins A2 on A1.id=a2.id left joins A3 on a2.no = A3.no GROUP by a1.id; The result is Due to other

Which big God helps to look, I did a pop-up layer to increase the time is no problem, but modify how I get the data? There is an add, modify data I use a pop-up layer to replace, the effect is this: Add no problem, but I want to change it later, how

About PHP encryption, please expert guidance. Thank you Excuse me, please. PHP with what method can be encrypted, encryption after the most finally decryption. Plus the password can be used on both win and Linux two platforms. Do you have a