Ciao a tutti,
ho cercato con le parole chiave "problemi creazione captcha" ma ho trovato una discussione che non c'entra niente e non sono soffisfatto. 
Allora, andando al dunque, sto creando un captcha e ho preso i codici dalla documentazione ufficiale di php. 
Allora nella cartella /captcha/ ci sono questi file:
- capt1.png
- capt1.ttf
- captcha.php
Il contenuto del file captcha.php è questo:
Codice PHP:
<?php
header("Content-Type: image/png");
$sfondo = "capt1.png";
$font = "capt1.ttf";
$text = rand(1, 9999);
$size = 10;
$lung = strlen($text);
$x = "20";
$y = "10";
$img = imagecreatefrompng($sfondo);
$color = imagecolorallocate($img, 255, 255, 255);
imagettftext($img, $size, 0, $x, $y, $color, $font, $text);
imagepng($img);
imagedestroy($img);
?>
Allora quando lo visito il file captcha.php per vedere l'immagine di dà questo errore:

Codice:
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Non so perché php mi dà tutti questi caratteri
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