Stay Relevant and Grow Your Career in TechPremium ResultsPublish articles on SitePointDaily curated jobsLearning PathsDiscounts to dev toolsStart Free Trial7 Day Free Trial. Cancel Anytime. Key Takeaways PHP’s SSH2 extension, a wrapper for libssh2, provides several functions for securely transferring files using protocols like SCP and SFTP. The SSH2 package needs to be installed to leverage these