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php Programming Glossary: opcodeOptimizing Kohana-based Websites for Speed and Scalability http://stackoverflow.com/questions/1260134/optimizing-kohana-based-websites-for-speed-and-scalability of life and is not maintained anymore Are you using any opcode cache I'm thinking about APC Alternative PHP Cache for instance.. from 80 to 40 just by installing APC and activating it's opcode cache functionality Basically execution of a PHP script goes.. goes in two steps Compilation of the PHP source code to opcodes kind of an equivalent of JAVA's bytecode Execution of those..
Why don't PHP attributes allow functions? http://stackoverflow.com/questions/3960323/why-dont-php-attributes-allow-functions in a call to get_next_op . This means that it adds a new opcode to the current opcode array. array_init and zend_do_add_static_array_element.. . This means that it adds a new opcode to the current opcode array. array_init and zend_do_add_static_array_element do not.. and zend_do_add_static_array_element do not generate new opcodes. Instead the array is immediately created and added to the..
Parentheses altering semantics of function call result http://stackoverflow.com/questions/6726589/parentheses-altering-semantics-of-function-call-result a function call are as follows see the definition of the opcode ZEND_SEND_VAR_NO_REF the argument is not a function call or.. way the code compiles too namely the extended value of the opcode SEND_VAR_NO_REF will no longer include the flag ZEND_ARG_SEND_FUNCTION.. which is the way the function call is detected in the opcode implementation. Second point is verified the reference count..
Reference: Comparing PHP's print and echo http://stackoverflow.com/questions/7094118/reference-comparing-phps-print-and-echo in temp UNSET temp remove temp single echo compiles to one opcode echo 125 ECHO 125 multi value echo compiles to multiple opcodes.. echo 125 ECHO 125 multi value echo compiles to multiple opcodes echo 123 456 ECHO 123 ECHO 456 Note that multi value echo doesn't..
Memcached vs APC which one should I choose? http://stackoverflow.com/questions/815041/memcached-vs-apc-which-one-should-i-choose system whereas APC is non distributed and mainly an opcode cache. If and only if you have a web application which has to.. just stick to APC and its cache. You should always use an opcode cache which APC is also APC will get integrated into php6 iirc..
http://stackoverflow.com/questions/930877/apc-vs-eaccelerator-vs-xcache have recommendations on which to use and why php apc opcode cache xcache eaccelerator share improve this question APC..
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