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This issue of PHP will give you an in-depth understanding of the special features of PHP 7. What is the difference between it and other versions and what are its advantages? The performance breakthrough of PHP 7 has become one of the hot topics in the IT industry recently. The following php introductory tutorial will answer the relevant questions one by one.
Performance improvement of PHP 7: PHP 7 is twice as fast as PHP 5.6, has comprehensive and consistent 64-bit support, has removed some old and no longer supported SAPI (server-side application programming port) and extensions, and added a new null join operation Talisman(??)
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Test results:
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It can be seen that PHP 7 is several times faster than PHP 5.4.
Benchmark results from the community:
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Test results using the WordPress open source blog homepage as the test scenario:
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The new features of PHP 7 include the following:
1. Performance Improvements with the addition of PHPNG engine. (Use PHPNG engine to improve performance)
2. JIT - Just in Time compiler (JIT Compiler)
3. Abstract Syntax Tree for compilation
4. Asynchronous refactoring of the I/O layer. (Asynchronous refactoring of the I/O layer)
5. Multi-threaded build in Web Server (multi-threaded build Web server)
6. Expanded use of ->, [], (), {}, and :: operators (Expanded use of ->, [], (), {}, and :: operators)
7. 100% increase in performance (100% increase in performance (should be QPS))
8. Cool Name: PHPNG (Cool name: PHPNG engine)
As of now, the official PHP 7.0.0 Beta 3 has been released. The theme of this version of PHP is performance optimization. In previous versions, PHP has always been known for its high development efficiency, but the language itself has poor performance. As a new generation of PHP, PHP7 has performance improvements of more than 60% to up to 200% in various common open source projects. Nowadays, many people compare the high performance of PHP7 with HHVM, mainly introducing the new features of PHP7 and various major performance optimization results. The biggest highlight is when attributes can be improved.
The above is the entire content of this issue of php learning. I hope it will be helpful for you to learn php and quickly master the differences in the new features of PHP7 so that you can better use php! For more php video tutorials, you can log in to the Kekejia online teaching platform to inquire about related courses. Related information: http://www.kokojia.com/s/64.html
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