Image resize PHP script

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need PHP script which i will call with cron job.

Script needs to:

1. resize images from specific folder in 3 dimensions, and save each dimension in other folder
2. i need to have option to choose image quality
3. keep proportions of the image
4. delete source images after completing the job

Skills required:
Linux, PHP
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