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PHP de yu yan ceng mian de you hua he dai ma you hua

2008-12-22 08:09:08 编辑來源:互联网 评论
 
 
 
本文为【PHP的语言层面的优化和代码优化】的拼音翻译版
  da gui mo de xi tong kai fa zhong ,Cache wu yi shi zhi guan chong yao de ,php shi jie li , sui ran bu ru java dang zhong , you na me feng fu de cache jie jue fang an ke yi xuan ze , dan shi , reng ran you yi xie cheng shu de fang an , cong 《advanced PHP programming》 zhong wo jiu xue dao le ru xia yi xie :
  1、 yu yan ceng mian de you hua :php ju you bu shao yin qing (engine) ceng mian de api, tong guo zhe xie api, ke yi gai bian yin qing zhi xing de xing wei , cong er da dao you hua yun xing de mu de 。 qi zhong , zui zhi de qu zuo de jiu shi dui bian yi jie guo cache。 zhong suo zhou zhi ,php mei ci zhi xing dou xu yao jing li yuan dai ma –〉 bian yi –〉 zhong jian dai ma –〉 yin qing zhi xing zhe yang de guo cheng , dui yu yi xie da xing ying yong , xiang dang duo de shi jian hua fei zai wu yi de bian yi shang le ( bu jin jin shi fang wen ye mian de php wen jian xu yao jing guo bian yi huan jie , dang jiao ben zhong li yong require(), include() bao han de yi xie wen jian dou xu yao jing guo bian yi )。 tong guo dui bian yi jie guo de cache, neng gou ji da di ti gao xi tong de xing neng ( he xi tong fu duo xing 、 gui mo cheng zheng bi ) 。
  php shi jie zhong san ge zhu liu de neng gou shi xian bian yi cache de gong ju shi :
  The Zend Accelerator—A commercial, closed-source, for-cost compiler cache produced by Zend Industries
  The ionCube Accelerator—A commercial, closed-source, but free compiler cache written by Nick Lindridge and distributed by his company, ionCube
  APC—A free and open-source compiler cache written by Daniel Cowgill and George Schlossnagle
  APC de an zhuang fang fa ,APC bao han zai PECL zhong , ju ti an zhuang ru xia 190-823 190-802 :
  yun xing ming ling
  #pear install apc
  zhi hou , zai php.ini wen jian zhong tian jia :
  extension = /path/to/apc.so
  zhe yang , jiu wan cheng le an zhuang , dang xia ci yun xing php,APC jiu hui zi dong ji huo , jiang bian yi jie guo fang ru gong xiang nei cun zhong cache qi lai , xia ci zai zhi xing de shi hou jiu zhi jie cong nei cun zhong huo qu bian ji jie guo zhi xing , bu xu yao zai ci bian yi 。
  yi wen : dui yu zi shang ci bian yi hou bian dong le de php,APC shi fou neng gou zi dong chong xin bian yi ?
  2、php dai ma you hua : li yong yi xie gong ju neng gou shi de bian yi hou chan sheng you zhi zhong jian dai ma , ju ti ru xia :
  The Zend Optimizer is a closed-source but freely available optimizer.
  The ionCube accelerator contains an integrated optimizer.
  proof-of-concept optimizer in PEAR.
  you hua qi zhu yao de gong neng :
  1、 qing chu wu yong de dai ma , li ru yong yuan ye bu hui zhi xing de si dai ma 。
  2、 chang liang de ji suan , li ru jiang $seconds_in_day = 24*60*60 zhi jie bian wei $seconds_in_day = 86400;
  3、 qi ta dai ma you hua gong neng , li ru you zhe me yi ge yu ju :
  $count++;
  hui you hua wei ++$count, shi de zhi xing su du geng kuai 。 dang ran , ru guo yu ju shi $i = $count++; ze bu hui jin xing you hua【原文】【汉音对照
 
 
 
 
 
 
 
 
 
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da gui mo de xi tong kai fa zhong ,Cache wu yi shi zhi guan chong yao de ,php shi jie li , sui ran bu ru java dang zhong , you na me feng fu de cache jie jue fang an ke yi xuan ze , dan shi , reng ran you yi xie cheng shu de fang an , cong 《advanced PHP programming》 zhong wo jiu xue dao le ru xia yi xie : 1、 yu yan ceng mian de you hua :php ju you bu shao yin qing (engine) ceng mian de api, tong guo zhe xie api, ke yi gai bian yin qing zhi xing de xing wei , cong er da dao you hua yun xing de mu de 。 qi zhong , zui zhi de qu zuo de jiu shi dui bian yi jie guo cache。 zhong suo zhou zhi ,php mei ci zhi xing dou xu yao jing li yuan dai ma –〉 bian yi –〉 zhong jian dai ma –〉 yin qing zhi xing zhe yang de guo cheng , dui yu yi xie da xing ying yong , xiang dang duo de shi jian hua fei zai wu yi de bian yi shang le ( bu jin jin shi fang wen ye mian de php wen jian xu yao jing guo bian yi huan jie , dang jiao ben zhong li yong require(), include() bao han de yi xie wen jian dou xu yao jing guo bian yi )。 tong guo dui bian yi jie guo de cache, neng gou ji da di ti gao xi tong de xing neng ( he xi tong fu duo xing 、 gui mo cheng zheng bi ) 。 php shi jie zhong san ge zhu liu de neng gou shi xian bian yi cache de gong ju shi : The Zend Accelerator—A commercial, closed-source, for-cost compiler cache produced by Zend Industries The ionCube Accelerator—A commercial, closed-source, but free compiler cache written by Nick Lindridge and distributed by his company, ionCube APC—A free and open-source compiler cache written by Daniel Cowgill and George Schlossnagle APC de an zhuang fang fa ,APC bao han zai PECL zhong , ju ti an zhuang ru xia 190-823 190-802 : yun xing ming ling #pear install apc zhi hou , zai php.ini wen jian zhong tian jia : extension = /path/to/apc.so zhe yang , jiu wan cheng le an zhuang , dang xia ci yun xing php,APC jiu hui zi dong ji huo , jiang bian yi jie guo fang ru gong xiang nei cun zhong cache qi lai , xia ci zai zhi xing de shi hou jiu zhi jie cong nei cun zhong huo qu bian ji jie guo zhi xing , bu xu yao zai ci bian yi 。 yi wen : dui yu zi shang ci bian yi hou bian dong le de php,APC shi fou neng gou zi dong chong xin bian yi ? 2、php dai ma you hua : li yong yi xie gong ju neng gou shi de bian yi hou chan sheng you zhi zhong jian dai ma , ju ti ru xia : The Zend Optimizer is a closed-source but freely available optimizer. The ionCube accelerator contains an integrated optimizer. proof-of-concept optimizer in PEAR. you hua qi zhu yao de gong neng : 1、 qing chu wu yong de dai ma , li ru yong yuan ye bu hui zhi xing de si dai ma 。 2、 chang liang de ji suan , li ru jiang $seconds_in_day = 24*60*60 zhi jie bian wei $seconds_in_day = 86400; 3、 qi ta dai ma you hua gong neng , li ru you zhe me yi ge yu ju : $count++; hui you hua wei ++$count, shi de zhi xing su du geng kuai 。 dang ran , ru guo yu ju shi $i = $count++; ze bu hui jin xing you hua
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