wpdm_before_upload_file – Action triggers before uploading a file

Description

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This hook is triggered immediately before uploading a file.

Parameters

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One parameter/argument is passed to this hook.

Usage

<?php 
   add_action("wpdm_before_upload_file", "callack_function",10,1);
?>

Examples

<?php 
add_action("wpdm_before_upload_file", "block_file_type", 10, 1); 
function block_file_type($FILE)
    {     
        $ext = explode('.', $FILES['name']);         
        $ext = end($ext);         
        $ext = strtolower($ext);
        if($ext == 'xml') die('-3'); 
        //if you want to block xml file upload 
    } 
?>

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