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[erloracc]

Mostra o erro abaixo ao executar o arquivo. no servidor local funciona perfeito, porem na internet não.

Fatal error: Call to a member function show() on a non-object in /home/xxxxx/public_html/Captcha.php on line 86

<?php
 
class Captcha {

	private $text;
	private $image;

	public function __construct($characters=5) {
		
		$font = '/inc/captcha/Arial_Black.ttf';
		$font2 = '/inc/captcha/Arial.ttf';
		
		$pos_ini = 20;
		$font_len = 35;
		
		$letters = array(
			array('a', 'e', 'i', 'o', 'u'),
			array('c', 'c', 'd', 'f', 'g')
		);
		
		$colors = array(
			array(0, 0, 0),
			array(255, 0, 0),
			array(0, 255, 0),
			array(0, 0, 255)
		);
		$colors_nam = array('pretas', 'vermelhas', 'verdes', 'azuis');
		$colors_len = count($colors);
		
		$this->image = imagecreate($characters * $font_len + $pos_ini * 2, 80);
		imagecolorallocate($this->image, 233, 234, 235);
		
		$avail = array(array() /* letters */, array() /* colors */);
		
		for ($i=0; $i < $characters; $i++) {
			$letter_type = rand(0, 1);
			$letter = $letters[$letter_type][rand(0, count($letters[$letter_type]) - 1)];
			
			if (empty($avail[0][$letter_type]))
				$avail[0][$letter_type] = $letter;
			else
				$avail[0][$letter_type] .= $letter;
		
			$color = rand(0, $colors_len - 1);
			if (empty($avail[1][$color]))
				$avail[1][$color] = $letter;
			else
				$avail[1][$color] .= $letter;
			list($r, $g, $b) = $colors[$color];
			
			imagettftext($this->image, 30, ($i % 2 == 0 ? rand(0, 25) :  - rand(0, 25)),
				$pos_ini + ($font_len * $i), 45,
					imagecolorallocate($this->image, $r, $g, $b), $font, $letter);
		}
		
		$ask = rand(0, 1);
		$options = array_keys($avail[$ask]);
		$type = $options[rand(0, count($options) - 1)];
		$this->text = $avail[$ask][$type];
		$question = $ask ? $colors_nam[$type] : ($type ? 'consoantes' : 'vogais');
		
		imagettftext($this->image, 10.5, 0, 5, 72, imagecolorallocate($this->image, 0, 0, 0), $font2, "Quais letras são {$question}?");
	}
	
	public function text() {
		return $this->text;
	}
	
	public function show() {
		header('Pragma: no-cache');
		header('Cache-Control: private, no-cache, no-cache="Set-Cookie", proxy-revalidate');
		header('Content-type: image/png');
		imagepng($this->image);
		imagedestroy($this->image);
	}
}


session_start();

$captcha = new Captcha(5);
$_SESSION['captcha'] = $captcha->text();
$captcha->show();									 //LINHA 86

?>

Edição feita por: erloracc, 07/09/2009, 10:35.