Home Backend Development PHP Tutorial Detailed explanation of php pathinfo() function to obtain file path information

Detailed explanation of php pathinfo() function to obtain file path information

May 24, 2017 am 11:35 AM

What does the pathinfo() function do?

In PHP, the pathinfo() function is used to return file path information in the form of an array. His syntax is as follows:

Grammar

pathinfo(path,options)
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Parameter details:

Parameter Description
pathRequired. Specifies the path to be checked.
process_sections

Optional. Specifies the array elements to be returned. The default is all.

Possible values:

  • PATHINFO_DIRNAME - Returns only dirname

  • PATHINFO_BASENAME - Returns only basename

  • PATHINFO_EXTENSION - Only return extension

## including the following array elements:

[dirname] :Return the directory part of the file path

[basename]:Return the file name part of the file path
[extension]:Return the type part of the file in the file path

Ps: If it is not required To obtain all units, the pathinfo() function returns a string.

Example

Example 1, use the pathinfo() function to obtain all file path information, the code is as follows

<?php
print_r(pathinfo("/testweb/test.txt"));
?>
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Code running results:

Detailed explanation of php pathinfo() function to obtain file path information

[filename]: is the file name of the php file

Example 2, use the pathinfo() function to obtain individual PATHINFO_BASENAME information, the code is as follows :


<?php
print_r(pathinfo("/testweb/test.txt",PATHINFO_BASENAME));
?>
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Code running result:

Detailed explanation of php pathinfo() function to obtain file path information

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