PHP Technologies:

• PHP 5
• PHPDocumenter
• PHPUnit
• CVS
• Apache ab
• PDO

Arabic References:

• Dr. Nabil Ali. Chapter 9: Arabic Language and Information Technology. In Arab and Information Era book, pages 327-360. Knowledge World book series no. 184 April 1994.
  Book cover | Chapter nine


• The Arab League Educational, Cultural and Scientific Organization (ALECSO)
  
  Sarf - Arabic Morphology System.


• Ayaspell project aims to provide arabic and amazigh dictionaries under GPL/LGPL/MPL tri-license.


• United Nations Economic and Social Commission for Western Asia (UN-ESCWA)


• Dr. Mansour M. Alghamdi
  Associate Professor in Phonetics,
  Computer and Electronic Research Institute,
  KACST, Al-Riyadh, KSA.


• Internet World Users by Language Report


• United Nations Economic and Social Commission for Western Asia (ESCWA)
  Information and Communication Technology (ICTD)

Miscellaneous PHP & Arabic Resources:

• Arabic–English dictionary + YUI life search
• Virtual Arabic keyboard (JavaScript)
  [Demo, Source, Download]
• Frequency distribution of letters in Arabic
• phpLangEditor is a tool made to help php applications translators
• Arabeyes - Technical Dictionary