In this new press release Zend has announced the posting of the results from their "Zend Developer Pluse" survey - a survey taken of developers world-wide about their habits, preferences and desires.
Zend Technologies addresses [the question of how a new demand for a new generation of apps] in Zend Developer Pulse, a new survey series that takes the pulse of a vibrant community of developers from around the world. The company’s first developer survey conducted in late November 2011 offers insights on emerging technology and career trends captured from 3,335 respondents. The findings are summarized in a report now available at [http://www.zend.com/topics/zend-developer-pulse-survey-report-0112-EN.pdf].
The press release mentions some of the details from the survey including that 66% of developers will be working with mobile app development projcts, that next-generation UI deveopment scored high in skillsets, there was a strong interest in cloud development and that there's been a strong rise in the need for PHP development skills in the last year.
You can read the entire report here.