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How to get uploaded file extension in PHP

How to get uploaded file extension in PHP

PHP HTML
1 Answer
Mohammad Qandeel
Answered
8

Using Global var $_FILES  you can find out all information about the original file

for example name, size

Look to this Example 

<form action="" method="post" enctype="multipart/form-data">
    <input type="file" name="myUploadFile">  
    <input type="submit">
</form>
<?php
 
if(isset($_FILES["myUploadFile"])){
    $GetName = $_FILES["myUploadFile"]["name"];
    $GetExtension = explode(".", $GetName);
    $GetExtension = strtolower(end($GetExtension));  

    echo $GetExtension ;
} 

?>

Explanation of the previous code

you have single page contains the form and PHP code

first check if $_FILES["myUploadFile"] exist 

then i will get the uploaded file full name throw $_FILES["myUploadFile"]["name"]

after that, i will use explode() function  to make an array 

and i will get the last item using end() function