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Get Filename Without Extension

If you want to get the filename without extension in PHP, you can use this function :

<?php
function getFilenameWithoutExt($filename){
    $pos = strripos($filename, '.');
    if($pos === false){
        return $filename;
    }else{
        return substr($filename, 0, $pos);
    }
}
?>

<?php
echo getFilenameWithoutExt('this_is_a_file.with_dot_on_it.txt');
//should generate output `this_is_a_file.with_dot_on_it`
?>