PHP simple way to get file extensions _php Tutorial

Source: Internet
Author: User

PHP simple way to get the file name extension


This article mainly introduces the PHP simple get file extension method, the example analysis of PHP to get file extension skills, with a certain reference value, the need for friends can refer to the next

This article describes a simple way for PHP to get the file name extension. Share to everyone for your reference. The implementation method is as follows:

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function get_file_extension ($file _name)

{

/* may contain multiple dots * *

$string _parts = Explode ('. ', $file _name);

$extension = $string _parts[count ($string _parts)-1];

$extension = Strtolower ($extension);

return $extension;

}

$str = "Img.jpg";

echo get_file_extension ($STR);//output: JPG

?>

I hope this article is helpful to everyone's PHP programming.

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