PHP

How to solve this problem: "I didn't find PHP extension settings mbstring. I tried several methods on the Internet, but I didn't find PHP extension settings mbstring. the current system seems to be using the wide character set. PhpMyAdmin without

How to learn php I graduated from a mechanical major. after graduation, I worked as a cad designer for a few months. I felt boring (not interested) and switched to php, because I had no foundation, there was no guidance. I only watched videos on my

How can I write an SQL statement to obtain the latest three-day record from a mysql table? LatestHow to write SQL statements for a three-day record. I checked one from the Internet, but this is Start from the current time to get the last few

Let's take a look at how to determine whether a number contains an integer. I want to develop a program to determine whether it is an integer. Because no matter whether it is a negative number or a positive number, it is not an integer as long as it

How to modify the content in the database to run this code has certain problems ,. Modify subject The number of students cannot be less than the number of currently selected students. An error occurred while modifying the number column!"; Echo"

In the forum, the topic posts and comments are not in the same table. for example, the topic posts are in one table and the comments are in another table. For more information, see, the implementation is similar to the paging function of the discuz

Which MYSQL Query is faster? first: Table 1: primary key is A (20-bit bigint type), and field B is A string (the auto-increment ID of table 2, separated) Table 2: Records Second: Record table, field A auto-increment, field B is (20-bit bigint type,

Can you help me run the PHP environment? I am using Zend Studio for Eclipse-6.1.2 to develop the php application of the zend framework. can you take a detailed step, currently, it is no problem to run the php program independently. The environment

How can the obtained data not be stored in the database (mysql) or the database port? Please kindly advise. thank you (note: The data is obtained, but mysql cannot be saved ?) Part 1: Part 2: $ Username = $ _ POST ['username']; $

Please give me some questions. 1: SELECT * FROM tb_user WHERE (fid = 10) OR (fid = 33) OR (fid = 22) OR (fid = 76) OR (fid = 13) OR (fid = 44 ); The fid is 10 33 22 76 13 44 Is there any way to achieve this? 2: $ a = 'A/B/c/d/e. php '; $ B = 'A/B/1

PHP learning, how to better manage data models PHP learning, how to better manage data models (better processing of database and program function interaction) Do you have any books or related materials !~~~~~~~~~ Reply to discussion (solution)

Questions about echo: Echo phpinfo (); ?> And Phpinfo (); ?> What is the difference? The second question: Is echo a function? Why does the output contain no parentheses? What is the difference between parentheses and parentheses?

XH1Q8335 army green how to use regular expressions to separate XH1Q8335 army green from XH1Q8335 army green Reply to discussion (solution) Do not use regular expressions. use str_replace ('army Green', 'army Green', 'xh1q8335 army green ');

Ask someone to help test whether the shopex system is still able to use the database and has no access to php + mysql. I just want to know the previously backed up program and whether the image can continue to be used. The idea is: you have

A question about tags each article has several tags. of course, there is usually a field I encountered a problem when querying whether a tag exists. For example, the Tags field contains two text labels: Beautiful pictures, flash, js special

Php array to remove duplicate values I want to keep the red key values behind only the two key values Reply to discussion (solution) $ Arr = array (38,39, 41,38, 39,41, 42,43); $ c = array_count_values ($ arr); function foo ($ v) {global $

Solve the problem by replacing the regular expression of the slash. String: D:/fff/ee // xx \ eee The expected result is: D:/fff/ee/xx/eee. When it is greater than or equal to two slashes, it is replaced with a slash. When there is a

Class method return value, strange phenomenon, you guys, please refer to the following code: The function I want to implement is to use a multi-dimensional array to output a tree structure. the following parameter is a multi-dimensional array. //

Please help me analyze the excel table data uploaded to the database. Data in an excel table is uploaded to the database, with 10 thousand to 20 thousand entries of data. The data can be uploaded successfully on one server, but the data uploaded on

Can I use multiple query codes? $ Bliang = 'this is A variable' $ SQL = SELECT * FROM table A WHERE cart LIKE '%. $ bliang. % '$ query = mysql_query ($ SQL); while ($ row = mysql_fetch_array ($ query )){............} The above is the query code,