Php howto ignore file with BOM

<?php 
function fopen_utf8 ($filename) { 
    $file = @fopen($filename, "r"); 
    $bom = fread($file, 3); 
    if ($bom != b"\xEF\xBB\xBF") 
    { 
        return false; 
    } 
    else 
    { 
        return true; 
    } 
} 

function file_array($path, $exclude = ".|..|design", $recursive = true) { 
    $path = rtrim($path, "/") . "/"; 
    $folder_handle = opendir($path); 
    $exclude_array = explode("|", $exclude); 
    $result = array(); 
    while(false !== ($filename = readdir($folder_handle))) { 
        if(!in_array(strtolower($filename), $exclude_array)) { 
            if(is_dir($path . $filename . "/")) { 
                                // Need to include full "path" or it's an infinite loop 
                if($recursive) $result[] = file_array($path . $filename . "/", $exclude, true); 
            } else { 
                if ( fopen_utf8($path . $filename) ) 
                { 
                    //$result[] = $filename; 
                    echo ($path . $filename . "<br>"); 
                } 
            } 
        } 
    } 
    return $result; 
} 

$files = file_array("."); 
?>

Source: stackoverflow.com

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