Aidan Findlater

If you compiled the xdebug module and see the following in your log file:

Failed loading /Applications/XAMPP/xamppfiles/lib/php/php-5.3.0/extensions/no-debug-non-zts-20090626/xdebug.so:  dlopen(/Applications/XAMPP/xamppfiles/lib/php/php-5.3.0/extensions/no-debug-non-zts-20090626/xdebug.so, 9): no suitable image found.  Did find:
        /Applications/XAMPP/xamppfiles/lib/php/php-5.3.0/extensions/no-debug-non-zts-20090626/xdebug.so: mach-o, but wrong architecture

Just download the pre-compiled module from Komodo Debugger Extensions.

For context, here are some directions.

Aidan Findlater Impersonal mac os x, php, xampp, xdebug

Goal: To provide a way for a website administrator to dispatch a long-running command-line program, one that might take hours to complete (so exec is out). The admin interface should show that the process is running. There is only one job that will ever be dispatched.
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Aidan Findlater Impersonal bash, cron, php, web development

Summary: The decrypted string was was null-padded. These null bytes are not handled by the json_decode function. It is easily solved by running $string = rtrim($string, "\x00"); before decoding.
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Aidan Findlater Impersonal encryption, javascript, php, web development

Summary: Contact Form 7, a Wordpress plugin, automagically adds line breaks (<br />) to the outputted HTML. To disable it, set define('WPCF7_AUTOP', false); in wp-contact-form-7.php.
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Aidan Findlater Impersonal php, web development, wordpress

The sample code supplied by PayPal for using their Instant Payment Notification (IPN) system does not work for me.

A post in their forums has the solution that fixed my code. Boanerges provided the solution: instead of directly opening a socket using fsockopen (as in the sample), use cURL to make the call. mondunet isolated the problem to cookie handling: apparently the PayPal sandbox requires you to accept cookies, which is not something that the direct socket connection does.

Here is the working code:

// read the post from PayPal system and add 'cmd'
if($_SERVER['REQUEST_METHOD']!="POST") die("No data");
$req = 'cmd=_notify-validate';
foreach ($_POST as $key => $value) {
    $value = urlencode(stripslashes($value));
    $req .= "&$key=$value";
}

// post back to PayPal system to validate
$url=(!isset($_POST['test_ipn'])) ? 'https://www.paypal.com/cgi-bin/webscr' : 'https://www.sandbox.paypal.com/cgi-bin/webscr';

$curl_result = $curl_err = '';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded", "Content-Length: " . strlen($req)));
curl_setopt($ch, CURLOPT_HEADER , 0);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);

$curl_result = @curl_exec($ch);
$curl_err = curl_error($ch);
curl_close($ch);

//are we verified? If so, let's process the IPN
if (strpos($curl_result, "VERIFIED")!==false)
{
    //do your IPN stuff here
}

Aidan Findlater Impersonal paypal, php, web development