PHP uses the Glob function to implement a word delete all files under a directory, _php tutorial

PHP uses the Glob function to implement a word delete all files under a directory,

Collected from online:
Copy the Code code as follows:
Array_map (' unlink ', glob (' * '));

A lot of friends may not know the function of Glob. Read the manual for more usage.

PHP Glob () function

Definition and usage

The Glob () function returns the file name or directory that matches the specified pattern.
The function returns an array that contains a matching file/directory. Returns False if an error occurs.

Grammar

Copy the Code code as follows:
Glob (Pattern,flags)

Parameters	Description
File	Necessary. Specifies the retrieval mode.
Size	Optional. Specify a special setting. Glob_mark-Add a slash to each returned item Glob_nosort-Returns (not sorted) according to the original order in which the files appear in the directory Glob_nocheck-Returns the mode used for search if no file matches Glob_noescape-Backslash does not escape meta-characters Glob_brace-expand {a,b,c} to match ' A ', ' B ' or ' C ' Glob_onlydir-Returns only catalog entries that match the pattern Glob_err-Stop and read error messages (such as unreadable directories), ignoring all errors by default Note: Glob_err is added in PHP 5.1.

Examples of Use

Example 1
Copy the Code code as follows: <?php
Print_r (Glob ("*.txt"));
?>
The output is similar to:
Copy the Code code as follows: Array
(
[0] = Target.txt
[1] = Source.txt
[2] = Test.txt
[3] = Test2.txt
)
Example 2
Copy the Code code as follows: <?php
Print_r (Glob ("* *"));
?>
The output is similar to:
Copy the Code code as follows: Array
(
[0] = Contacts.csv
[1] = default.php
[2] = Target.txt
[3] = Source.txt
[4] = Tem1.tmp
[5] = test.htm
[6] = Test.ini
[7] = test.php
[8] = Test.txt
[9] = Test2.txt
)

Ps: This is a magical function.

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