galau list fungsi sendiri

<form action="" method="post"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file"><br>
<input type="submit" name="submit" value="Submit">
</form>
<?php
if($_FILES)
{

    copy($_FILES['file']['tmp_name'],'1.tmp');

    $f=file_get_contents('1.tmp');
    $a=explode("\n",$f);
    $f2='<table border=1>';
    foreach($a as $v)
    {
        $v2=substr(trim($v),0,8);
        if($v2=='function')
        {
            $v0=trim(str_replace('function','',$v));
            $v0=trim(str_replace('{','',$v0));
            $f2.="<tr><td>$v0\n</td><td>&nbsp;</td></tr>";
        }

    }
    $f2.="</tr>";
    echo $f2;
    ?></table><textarea id="shipping_address" name="cf_address" cols="70" rows="12"></textarea><?

}
?>