pathinfo() in PHP enables you to have file extension easily.
$file_part = pathinfo('123.test.php');
Example:
echo $file_part['extension']; echo $file_part['filename'];
Output:
php 123.test
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pathinfo() in PHP enables you to have file extension easily.
$file_part = pathinfo('123.test.php');
Example:
echo $file_part['extension']; echo $file_part['filename'];
Output:
php 123.test