Sjoerd Maessen blog

PHP and webdevelopment

Archive for the ‘Security’ Category

Passing the PHP 5.3 ZCE exam

with 4 comments

I passed the PHP 5.3 ZCE exam
Today I passed the exam to become a PHP 5.3 ZCE. Like everyone else I had to sign the non-disclosure contract so I can’t go into detail about the questions that were asked, I can however tell my impressions of the exam and how prepared for it.

Differences with the previous exam
The first thing I noticed when I bought the PHP 5.3 exam voucher was that there was no option to order a bundle of preparation tests. There was however a free study guide. The new study guide can not be compared with the previous php|architect’s Zend PHP 5 Certification Study Guide. Were the new free study guide gives a quick overview (including some example questions) of each topic in the exam the original study guide starts with basics of PHP and really covers each topic thorough, except for the new PHP 5.3 features. Read the rest of this entry »

Written by Sjoerd Maessen

December 30th, 2010 at 3:54 pm

Input validation with filter functions

with 2 comments

Although PHP has a lot of filter functions available, I found that still to many people are using (often incorrect) regular expressions to validate user input. The filter extension is simple, standard available and will fulfill the common validations. Below some pratical examples and things to consider when working with PHP filter functions.
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Written by Sjoerd Maessen

June 3rd, 2010 at 8:27 am

Posted in Security

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