This version is no longer officially supported.
Official support refers to that provided direct by the PHP Project.
If you install PHP via third-party packages, support timelines may be different.
Please read the Release Support Policy for more information.
Latest Release: 5.5.38 (2016-07-21)
Upgrade Tips
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Easily implement iterators without boilerplate iterator classes using the yield keyword.
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Ensure cleanup code runs regardless of whether an exception occurred using the finally block.
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Use the Class::class syntax to obtain fully qualified class names as strings.
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The empty() language construct now supports arbitrary expressions, not just variables.