Q:

Write a PHP program to get the extension of a file

hamza
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2022-05-18
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Write a PHP program to get the extension of a file

Php programming,
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hamza
2022-05-18
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<?php
function file_extension($str1){
    $str1=implode("",explode("\",$str1));
    $str1=explode(".",$str1);
    $str1=strtolower(end($str1));
     return $str1;
}

$file='example.txt';
echo "\n".file_extension($file)."\n";
?>

Sample Output:

txt

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