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POFailed to generate captcha image, content has already been output
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  1. POFailed to generate captcha image, content has already been output
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    copied!<p>i m using <a href="http://www.phpcaptcha.org/" rel="nofollow">secureimage</a> solution to generate captcha code</p> <p>i have this error on chrom console </p> <blockquote> <p>Resource interpreted as Image but transferred with MIME type text/html</p> </blockquote> <p>and when entring on this url directly used as image src</p> <blockquote> <p>securimage_show.php?sid=fa5e1eb19c3a534885632e</p> </blockquote> <p>i have this error</p> <blockquote> <p>Failed to generate captcha image, content has already been output. This is most likely due to misconfiguration or a PHP error was sent to the browse</p> </blockquote> <p>someone have idea ?</p> <p>Note: it works for me in localhost wampserver but not on remote server</p> <p>Edit:</p> <p>the code from the captcha opensource code generating php errors :</p> <pre><code> protected function output() { if ($this-&gt;canSendHeaders() || $this-&gt;send_headers == false) { if ($this-&gt;send_headers) { // only send the content-type headers if no headers have been output // this will ease debugging on misconfigured servers where warnings // may have been output which break the image and prevent easily viewing // source to see the error. header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); } switch ($this-&gt;image_type) { case self::SI_IMAGE_JPEG: if ($this-&gt;send_headers) header("Content-Type: image/jpeg"); imagejpeg($this-&gt;im, null, 90); break; case self::SI_IMAGE_GIF: if ($this-&gt;send_headers) header("Content-Type: image/gif"); imagegif($this-&gt;im); break; default: if ($this-&gt;send_headers) header("Content-Type: image/png"); imagepng($this-&gt;im); break; } } else { echo '&lt;hr /&gt;&lt;strong&gt;' .'Failed to generate captcha image, content has already been ' .'output.&lt;br /&gt;This is most likely due to misconfiguration or ' .'a PHP error was sent to the browser.&lt;/strong&gt;'; } imagedestroy($this-&gt;im); restore_error_handler(); if (!$this-&gt;no_exit) exit; } </code></pre>
 

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