php functions
Posted in
3915
5:45 am, April 7, 2023
Return a file extention from a string
This php function returns a file extention from a string.
I think it will only work if the string does not have any additional . in it.
I think a better way to do this function would be to split the string into an array on the . and then select the last dot content.
Actually after testing this it does already locate the last . location. Test Link with multiple .'s
PHP
// return a file extention
function get_file_extension($file_name) {
return substr(strrchr($file_name,'.'),1);
}
echo get_file_extension($file_name = "1.2.3456.678-asz.txt");External Link for Return a file extention from a string
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