PHP gets file extension name
Release: 2016-08-08 09:27:57
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PHP Get the file suffix namefunction fileSuffix($filename){ return strtolower(trim(substr(strrchr($filename, '.'), 1)));} ?>strrchr ---PHP function, find the last occurrence of a string in another string, and return all characters from that position to the end of the string, if it fails, return false . substr ---PHP function, returns a part of the string. trim ---PHP function, remove whitespace characters or other predefined characters on both sides of a string. strtolower ---PHP function, convert string to lowercase.
(2)function get_extension($file)
{
return end(explode('.', $file));
}
The above introduces how to obtain the file suffix name in PHP, including the content. I hope it will be helpful to friends who are interested in PHP tutorials.
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