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Upgrade php5.2 to php5.4 full record under CentOS (Compile and install), php5.2php5.4 Upgrade At present, although the latest version of PHP is php5.5, but for various considerations, or first to php5.4 more reliable.The original PHP used is php5.2.
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Upgrade At present, although the latest version of PHP is php5.5, but for various considerations, or first to php5.4 more reliable.The original PHP used is php5.2.10, has been running for 4-5 years, it is time to upgrade. 5.4 The latest stable
1, today asked a question: what is the specific code level of PHP to improve the high concurrency measures? In the face of high concurrency problems I first think of clusters, caches (APT, redis, mem, memory ...) , but specifically to the PHP code
The new version of PHP has replaced the APC with Opcache, but not the full porting, at least before the easy-to-use data caching feature in APC was not implemented, and I am storing configuration information and do not want to get from the remote.