1. Are you having issues with the Facebook API?
2. Are you constantly getting the error message “API Error Code: 100 API Error Description: Invalid parameter Error Message: Requires valid next URL.“?
3. Are you using the latest official Facebook PHP class?
4. Are you redirecting using the PHP header() function?

Well,  I might have a solution for you. When calling the function getLoginUrl in the Facebook PHP class, the function will return a HTML encoded string. When outputing this string to your browser, it is rendered/decoded by a browser and this will convert all “safe” charachters to their textual equivalent.  This makes that “&” becomes “&” and “%20″ becomes ” “.

However, when using the header() function in PHP, this url will not be rendered/decoded and you are basically sending out a garbled request.

Original

getLoginUrl($params);
header('Location:' . $url);

Solution:

getLoginUrl($params);
$url = str_replace('&','&',urldecode($url));
header('Location:' . $url);

Even if the story might suck, I’ll be looking forward to the intense fighting scenes… and perhaps the girls in the skimpy suits

• Full: Download WordPress 2.9.1 mysqli database class
• Patch: Download WordPress 2.9.1 mysqli database class

• Full: Download WordPress 2.9 mysqli database class
• Patch: Download WordPress 2.9 mysqli database class

Patch contents

Index: wp-includes/wp-db.php
===================================================================
--- wp-includes/wp-db.php	(revision 19)
+++ wp-includes/wp-db.php	(working copy)
@@ -367,9 +367,12 @@
 			$this->collate = DB_COLLATE;

 		$this->dbuser = $dbuser;
+
+		// $this->dbh = @mysql_connect($dbhost, $dbuser, $dbpassword, true);
+		$this->dbh = new mysqli($dbhost, $dbuser, $dbpassword, $dbname); 

-		$this->dbh = @mysql_connect($dbhost, $dbuser, $dbpassword, true);
-		if (!$this->dbh) {
+		// if (!$this->dbh) {
+		if ($this->dbh->connect_error || mysqli_connect_error()) { // remember $mysqli->connect_error is broken in PHP < 5.2.9
 			$this->bail(sprintf(/*WP_I18N_DB_CONN_ERROR*/"
 <h1>Error establishing a database connection</h1>
 <p>This either means that the username and password information in your <code>wp-config.php</code> file is incorrect or we can't contact the database server at <code>%s</code>. This could mean your host's database server is down.</p>
@@ -386,18 +389,21 @@
 		$this->ready = true;

 		if ( !empty($this->charset) ) {
+			$this->dbh->set_charset($this->charset);
+			$this->real_escape = true;
+			/*
 			if ( function_exists('mysql_set_charset') ) {
 				mysql_set_charset($this->charset, $this->dbh);
-				$this->real_escape = true;
 			} else {
 				$collation_query = "SET NAMES '{$this->charset}'";
 				if ( !empty($this->collate) )
 					$collation_query .= " COLLATE '{$this->collate}'";
 				$this->query($collation_query);
-			}
+			}*/
 		}

-		$this->select($dbname);
+		// selection of database with mysql happens when connecting
+		// $this->select($dbname);
 	}

 	/**
@@ -454,6 +460,9 @@
 	 * @return null Always null.
 	 */
 	function select($db) {
+
+		return true; // database selection happens in constructor when usng mysqli
+
 		if (!@mysql_select_db($db, $this->dbh)) {
 			$this->ready = false;
 			$this->bail(sprintf(/*WP_I18N_DB_SELECT_DB*/'
@@ -475,7 +484,7 @@

 	function _real_escape($string) {
 		if ( $this->dbh && $this->real_escape )
-			return mysql_real_escape_string( $string, $this->dbh );
+			return $this->dbh->real_escape_string( $string );
 		else
 			return addslashes( $string );
 	}
@@ -579,7 +588,7 @@
 	function print_error($str = '') {
 		global $EZSQL_ERROR;

-		if (!$str) $str = mysql_error($this->dbh);
+		if (!$str) $str = $this->dbh->error;
 		$EZSQL_ERROR[] = array ('query' => $this->last_query, 'error_str' => $str);

 		if ( $this->suppress_errors )
@@ -703,39 +712,40 @@
 		if ( defined('SAVEQUERIES') && SAVEQUERIES )
 			$this->timer_start();

-		$this->result = @mysql_query($query, $this->dbh);
+		$this->result = $this->dbh->query($query);
 		++$this->num_queries;

 		if ( defined('SAVEQUERIES') && SAVEQUERIES )
 			$this->queries[] = array( $query, $this->timer_stop(), $this->get_caller() );

 		// If there is an error then take note of it..
-		if ( $this->last_error = mysql_error($this->dbh) ) {
+		if ( $this->last_error = $this->dbh->error) {
 			$this->print_error();
 			return false;
 		}

 		if ( preg_match("/^\\s*(insert|delete|update|replace|alter) /i",$query) ) {
-			$this->rows_affected = mysql_affected_rows($this->dbh);
+			$this->rows_affected = $this->db->affected_rows;
 			// Take note of the insert_id
 			if ( preg_match("/^\\s*(insert|replace) /i",$query) ) {
-				$this->insert_id = mysql_insert_id($this->dbh);
+				$this->insert_id = $this->db->insert_id;
 			}
 			// Return number of rows affected
 			$return_val = $this->rows_affected;
 		} else {
 			$i = 0;
-			while ($i < @mysql_num_fields($this->result)) {
-				$this->col_info[$i] = @mysql_fetch_field($this->result);
+			while ($i < $this->result->field_count) {
+				$this->col_info[$i] = @$this->result->fetch_field();
 				$i++;
 			}
 			$num_rows = 0;
-			while ( $row = @mysql_fetch_object($this->result) ) {
+			while ( $row = @$this->result->fetch_object() ) {
 				$this->last_result[$num_rows] = $row;
 				$num_rows++;
 			}

-			@mysql_free_result($this->result);
+			// no more need for freeing results, they ARE free! 
+			// @mysql_free_result($this->result);

 			// Log number of rows the query returned
 			$this->num_rows = $num_rows;
@@ -1138,4 +1148,5 @@
 	 */
 	$wpdb = new wpdb(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST);
 }
+
 ?>

Drupal is an awesome product, we all know that. But we also know that not everything works as we expect it and that any software might have it’s quirks. Here at Drupal Hacker, I try to smooth out these problems by providing patches to unmaintained modules or to ignored bugs. Last… don’t take all the sarcasm too seriously!

http://www.drupal-hacker.com

When I am trying to optimize my PHP code, one of my prefered tools is xdebug. It provides me with excellent error messages, outputs code tracing files & insight into memory usage.

By using kcachegrind or webgrind – wincachegrind crashes *all* the time – to parse the cachegrind files created by xdebug, you get a good idea of what your code is doing most of the time. It’ll show you which functions are called, by who, which arguments are passed and tons more. Check it out.

Now, there was one small thing I couldn’t find anywhere. A program to parse the trace files that xdebug generates. True, xdebug already provides the option to output this information into HTML, but it’s not really what I was looking for. I want to get quick information in the blink of an eye! That’s why I have created my own trace file parser, based on PHP of course.

What is it?

This xdebug trace parser will show you, for each function:

• How much memory was used on entry & exit
• How much time it costed to execute the function
• The exact line the function was called from plus insight into the code by clicking a link
• Whether the function is native PHP or not

It also has a basic “alerting” feature, which will allow you to set triggers on memory usage & execution time. You can specifiy that if the memory or time jump is greater than a certain value, to show this in the output.

Requirements

It should be obvious that you’ll need to install and configure xdebug for your PHP installation. See http://www.xdebug.org for more information on this.

Your xdebug config should look a bit like this, don’t forget to update your paths

[XDebug]
;; Only Zend OR (!) XDebug
zend_extension_ts="\php\ext\php_xdebug-2.0.4-5.2.8.dll"
xdebug.auto_trace=1
xdebug.trace_format=1
xdebug.profiler_append=1
xdebug.profiler_enable=1
xdebug.profiler_enable_trigger=0
xdebug.collect_params=4
xdebug.collect_return=1
xdebug.trace_output_dir="D:\webserver\xdebug"
xdebug.trace_output_name= %t.trace
xdebug.profiler_output_name = %s.%t.profile
xdebug.profiler_output_dir="D:\webserver\xdebug"

Download

Now, give it a try and downlod the xdebug trace file parser here!

Usage

Once you’ve downloaded the trace file parser, extract it to a directory inside your website root and surf to the URL. If everything works out you should be able to select trace files onceyou have ran an other PHP script on your server. This trace file parser will *not* show it’s own traces because that would make things even more complicated!

Comments & suggestions!

Really? Sure? Well here’s your solution…

Download the most recent version of php_mysqli.dll and place it in <yourxampdir>\php\ext directory.You might want to take a backup of the file you’re replacing in case it doesn’t work…

You can download the php_mysqli.dll righ here or you’ll have to find a recent version for your PHP version yourself.

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http://www.sarcasma.net/sarcasma_002.htm

Anna
hun
hi

10:59pm Jessie
mmmmm

11:14pm Jessie
hihi…

10:59pm Anna
how are you

10:59pm Jessie
how’s my little porn star

10:59pm Anna
aaaaaaaaaaaaaah
do you like me

11:00pm Jessie
come on, at least put an effort in your fake pictures
chloe18.com
how many of these profiles do you own anyway?

11:01pm Anna
how many do you have ???

11:01pm Jessie
ehm… you don’t answer a question with a question, bimbo

11:02pm Anna
fuck you

11:02pm Jessie
are you like one of those african scammers? or a polish one?
just out of curiousity
cause otherwise i don’t see the reasoning
you’re not trying to spam
so there must be some reason

11:02pm Anna
Im not from Africa

11:02pm Jessie
or you’re ugly… so… where are you from, bimbo

11:03pm Anna
Lebanon

11:03pm Jessie
ah… what’s the reason for the fake profile?
spam? money? fun? you’re ugly? :P

11:05pm Anna
My real name is Mumet El Baroudi . add me as freind . & you well se my picture .

11:06pm Jessie
you’re from farawayistan…

11:06pm Anna
yes
how do you know

11:06pm Jessie
i read your profile… hah
anyway… doesn’t matter… how come you’re faking profiles?

11:07pm Anna
to get a chips . from Poker
you are so cute and butiful Jessie

11:07pm Jessie
hehe…

11:08pm Anna
realy you are

11:09pm Anna
i just ask an agly men to gave you chips . then they give you a millions . coze Im soo sexy . you know

11:10pm Jessie
haha, yea… they’re prtty dumb… but at least find a different picture… this one is too obvious

11:10pm Anna
hehe ok hun

11:11pm Jessie
you can use those poker chips for changing into cash? or just online?

11:12pm Anna
just on line to play

11:12pm Jessie
ahhh…

11:13pm Anna
i add you as freind on my real profile . plz confeirm me . ok

11:13pm Jessie
okee

11:13pm Anna
see ya there

11:14pm Anna
you have a very nice face

11:14pm Jessie
hihi… thanks

11:14pm Anna
i lve your stile

Making a long story short, even the scammer is an idiot!