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Install A2billing On' title='Install A2billing On' />Particletree PHP Quick Profiler. Introduction. In our company, code reviews play an integral part in the development process for making quality software. We opt for a mentor style approach with Wufoo, where a developer works on a segment for a period of time and then passes it up to a more experienced developer for review. We really like this approach because it means more developers become familiar with the foundation of different code level services. More importantly, they act as an additional safeguard against security holes, memory leaks, poor queries and heavy file structures. Unfortunately, these reviews are also very time consuming and in a small team can sometimes be an inconvenience to the reviewer another developer with their own todo list to accomplish. Given that all reviews check against the same list of requirements, weve found ourselves repeating the same tasks over and over again. We spend a lot of time echoing queries, memory stats and objects to the browser just to see how they are being used in the code. To reduce this repetition, we invested some time creating something weve called the PHP Quick Profilerwe call it PQP for short. Install A2billing On' title='Install A2billing On' />Its a small tool think Firebug for PHP to provide profiling and debugging related information to developers without needing them to add a lot of programmatic overhead to their code. Now, we only need to toggle one config setting to true and our reviewers have access to an automated tool to help create a faster and more consistent review experience. Parlezvous franais Un des points intressants est quil est possible de configurer Asterisk afin que ses messages vocaux soient franais. Asterisk. Since anyone can use it, PQP also gives the initial developer an idea of where their code stands before the review. Weve been using PQP for a while now with Wufoo. Its been so useful that we decided to take some time to package everything, write out some documentation and offer it up for anyone to use. See it in Action. Weve created an online example showing a landing page with PQP turned on. The profiler contains a 5 tabbed interface that presents pages for logging messages, measuring execution time, analyzing queries, revealing memory used and showing the files included. Thanks to Kevins help, who did a great job of designing and encapsulating the interface, theres no need here to add links to external CSS files or Scripts to make it show up right. When included on a page in PHP, PQP automatically inserts the markup, CSS and Java. Script needed to make the interface show up and just work. PQP should work with Internet Explorer 6 and up, Firefox and Safari. This is a legal agreement between you and DID Logic Limited. DIDLogic. By submitting the online application you are agreeing that you have read and understood the. Install A2billing On' title='Install A2billing On' />Getting Started. Silmarillion Epub on this page. Weve provided a zip file which contains the entire setup for PQP and some basic instructions for installation. Download pqp. Once youve downloaded the zip, upload the contents to a PHP enabled web server. Navigating to the root directory in your browser will show the same online example we linked to above. At this point, each tab should work except for the database tab, which requires some additional configuration. Once you get the example working, the next step would be integration with your own project. Its important to note that dropping the folder into your own project directory will not work. This is because 5 different aspects of the code are being looked at, and you may handle those situations differently than we do. That said, integration is pretty straightforward, and by following the guidelines for each section below, you should be up and running in no time. Using It In Your Code. A2Billing is a fully featured and flexible VoIP Billing system and termination platform which can provide one of the quickest and lowest cost entries to billing VoIP. Particletree is the beginning of something. This place, this collection of knowledge, is a gathering of forces, a sharpening of skills. The easiest way to make PQP work in your own code is to include Php. Quick. Profiler. php into the page you want to see it on. That alone will enable the console, memory and file logging. Speed and database logging take a bit more work, which well cover later. Now, enabling the default logging is great, but nothing will display to the screen by just including the file. To display to the screen, a bit more knowledge on whats happening is required. As code is being executed, details are being logged and analyzed in PQP. Once the code is finished, PQP finishes up also, and displays the output to the screen. The tricky part is knowing when the code is finished, since in an ideal world this tool would work with as little developer input as possible. In this example, we determine that the code has finished by looking at when the parent object runs its destructor. So a timeline would be Landing Page constructor declares an instance of Php. Quick. Profiler. Landing Page executes all needed code. Landing Page destructor tells the Php. Quick. Profiler to cleanup and display output. Of course, this setup would cause PQP to always display, which isnt ideal for production. To make it more useful, we created a Config flag in our code debug. Mode true that checks to make sure it is set to true before displaying. Below is a sample class that can perform the steps we just covered class Example. Landing. Page private profiler. Php. Quick. ProfilerPhp. Quick. Profiler get. Micro. Time. public function destruct. Mode true this profiler displaythis db. Logging to the Console. Given the code shell above, PQP is configured and ready to be used. We can start referencing the helper functions, starting with logging. The console log is just a step above an echo statement in that it condenses and formats the output using printr. This is useful for reviewers because it provides a way to view debugging information without blowing up the layout of the page. To output data to the console, just statically call the function Console logdata. The static function call accepts any data type and is available as long as the Php. Quick. Profiler. php class is included. We chose to implement this with a static call so that the class does not have to be instantiated before use. This book is intended to be gentle toward those new to Asterisk, but we assume that youre familiar with basic Linux administration, networking, and other IT. The downside to a static call is that we store the log history in a global php variable. Should you wish to avoid globals, the Console. But as is, the class just acts as a read and write wrapper around a global PHP variable. On top of logging variables, the console also has four additional functions. Console log. Errorexception. Console log. Memory. Console log. Memoryvariable, name. Console log. Speed. Lets start with log. Error. Logging an error is useful for displaying information related to a PHP exception. In our code, well use a catch block for handling errors so we can silence an exception. We do this because we want that error to be ignored and not affect what the user is doing. An example of this would be logging data that isnt crucial. If that log fails, the users shouldnt have to stop what theyre doing. Now, in development, its still nice to know those exceptions were thrown, so in the catch block a call to log. Error can be made to display the information to the console like so try. Execute non critical code. Exception e. Console log. Errore, Unable to execute non critical code. Additionally, the console can provide even more value by using some of the helper functions that PHP natively provides. For example, logging debugbacktrace will print related information about the script at a given point in time. PHP also provides us with magic constants like LINE, FILE, FUNCTION, METHOD and CLASS, which allows for printing of script data. Take a look at the screenshot below to see some example usage of this Watching Memory Usage. Object oriented PHP is a beautiful thing to behold, but there are definitely a few concerns to keep in mind when it comes to memory usage.