[問題] PHP 驗證碼圖案跑不出來

[jackyeah1213 (frog)]

html:

<img src="captcha.php" id="captcha" alt="captcha" />

php:

<?session_start();?>
<?php
create_image();
exit();

function create_image(){

    $security_code =$_SESSION["security_code"];

    $image = @imagecreatefromjpeg("images\static.jpg");

    $black = ImageColorAllocate($image, 0, 0, 0);

        $vPos = 4;
        $hPos = 30;
        $fontSize = 5;

    ImageString($image, $fontSize, $hPos, $vPos, $security_code, $black);

    header("Content-Type: image/jpeg");

    ImageJpeg($image);

    ImageDestroy($image);
}
?>

想請問為什麼一直跑不出圖片呢@@

php所要引用的圖片也有放對位置

懇求幫忙解答...

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