PHP readdir () function, phpreaddir function _ PHP Tutorial

PHP readdir () function, phpreaddir function. PHP readdir () function, phpreaddir function is recently learning about PHP file operations, record one of the notes of readdir () function 1, in $ tempreaddir ($ handle) readdir () function of PHP in the function, phpreaddir function

I recently learned about php file operations and recorded a note in the readdir () function.

1. in the $ temp = readdir ($ handle) function, readdir obtains the file name and the folder name in $ handle,

Generally, the program traverses the file through the while () loop:

While ($ temp = readdir ($ handel )){}

However, there is a problem in the judgment statement of this writing method: if there is a folder named '0' under $ handle, then $ temp = 0 and the while loop cannot proceed, in this case, other files cannot be traversed, resulting in incorrect program results,

Correct syntax:

While ($ temp = readdir ($ handel ))! = False) {} // if the folder name is 0, then 0! = False, and can still be traversed

The extract () function. the phpreaddir function is recently learning about php file operations. record one of the notes in the readdir () function. 1. at $ temp = readdir ($ handle) function...