Detailed explanation of date c...

MYSQL has the date function now(). This value returns not a timestamp, but something like 2010-10-1 ...

How to add text watermark to p...

This article shares with you the method of adding watermarks to images using PHP. It is very detaile...

PHP example code to detect whe...

Friends who need it can refer to the php code to detect whether the png image is complete.

The problem that php mkdir() f...

This article mainly introduces the solution to the problem of no write permission in PHP mkdir(), a ...

The php mkdir() function imple...

When we want to add multi-level directories to our site, we can use the PHP function mkdir() to achi...

Definition and usage of php mk...

The mkdir() function creates a directory. Returns true if successful, false otherwise.

How to get the values ​​of mul...

This article mainly introduces the method of php to obtain the values ​​of multiple elements with th...

PHP method example code to get...

This article mainly introduces the method of PHP to obtain the values ​​​​of all check boxes in the ...

Use php to verify checkbox val...

This article introduces a simple PHP code to verify the validity of the check box value. You can ref...

Use PHP to implement simple ad...

I believe everyone has used the addition, subtraction, multiplication and division calculator. This ...