Get File Path Data in PHP

You may retrieve all needed file path data using PHP's built-in function pathinfo. You don't need to create your own functions or use regular expressions to get this info. It was already been created for this purpose.

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<?php
// pathinfo() constants parameter list
// PATHINFO_DIRNAME => directory name
// PATHINFO_BASENAME => name of file (w/out extension)
// PATHINFO_EXTENSION => file extension
// PATHINFO_FILENAME => file name w/ extension
$path = '/images/thumbs/my_avatar.gif';
//outputs '/images/thumbs/'
echo pathinfo($path, PATHINFO_DIRNAME);
//outputs 'my_avatar'
echo pathinfo($path, PATHINFO_BASENAME);
//outputs 'my_avatar.gif'
echo pathinfo($path, PATHINFO_FILENAME);
//outputs 'gif'
echo pathinfo($path, PATHINFO_EXTENSION);
?>

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Get File Path Data in PHP