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PHP two-dimensional array algorithm Little brother just learned PHP soon, encountered a problem, ask the heroes, thank you! The two-dimensional array is as follows; $arr = Array ( Array (' ID ' =>100, ' value ' =>100), Array (' ID ' =>100, ' value

PHP, a nested abbreviated name, is an abbreviation for the English Super Text preprocessing language (Php:hypertext preprocessor). PHP is an HTML embedded language, PHP and Microsoft's ASP quite a bit similar, is a server-side implementation of

From:http://www.jb51.net/article/51473.htmThis article mainly introduces PHP to get the MySQL new record ID value of 3 methods, generally use PHP with function mysql_insert_id () can be implemented, the other 2 ways to use the right for special

The security practice of PHP, which must be known by system administrators, is an open source server scripting language and widely used. The Apacheweb server provides the convenience of accessing files and content through HTTP or HTTPS. Improper

The security practice of PHP, which must be known by system administrators, is an open source server scripting language and widely used. The Apacheweb server provides the convenience of accessing files and content through HTTP or HTTPS. Improper

In the development process, we usually use auto-increment numbers as the id primary key for data tables, and id is a numeric type, which is not easy to understand. After converting IDs into numbers in a certain format, it is easy to know what the

This article describes the PHP implementation of the MySQL duplicate ID two-dimensional array into a three-dimensional array of methods. Share to everyone for your reference, specific as follows: Application Scenarios MySQL when using associated

How does php traverse cross-dimensional arrays and give their id and pid (parent key id) PHPcodearray (7) {[1] & gt; array (5) {[& quot; id & quot;] & gt; string (1) & quot; 1 & quot; [& quot; pid & quot;] & gt; string (1) & quot; 0 & quot; how does

First, use the statement: Copy CodeThe code is as follows: mysql_query ("SELECT Max (ID) from T1", $link); Using this method gives the highest ID value, which is the last value, but when a multilink thread, this maximum ID is not necessarily the