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PHP has a larger pool of developers, whereas it is easier to find skilled workers for Ruby. Ruby is perfect for building MVPs, prototypes and e-commerce websites. PHP is much faster due to the language architecture, history and most importantly its philosophy. Ruby on the other hand, takes more memory and has some speed limitations. PHP has two popular frameworks: Laravel and Symphony on Ruby on Symfony. Ruby’s update: the Ruby 3.0 is planned for 2020, just around Christmas. PHP's next major update will happen in 2021.