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1.apc_clear_cache() Ça³þapc»º´aeÄÚÈÝ
2.apc_define_constants(string key,array constants,[,bool case_sensitive]) ½«Êý×econstantsÒÔ³£Á¿¼ÓÈe»º´ae
3.apc_load_constants(string key) È¡³o³£Á¿»º´ae
4.apc_store(string key,mixed var [, int ttl]) ÔÚ»º´aeÖб£´aeÊý¾Ý
5.apc_fetch(string key) »ñÈ¡apc_store±£´aeµÄ»º´aeÊý¾Ý
6.apc_delete(string key) ɾ³ýapc_store±£´aeµÄÄÚÈÝ
7.apc_add(string key,mixd var [, int ttl]) »º´aeÒ»¸o±aÁ¿µ½Êý¾Ý´ae´¢£¨Ö»ÔÚ±aÁ¿Ö®Ç°Ã»Óб»´ae´¢µÄÇe¿o£(C)
8.apc_exists(mix keys) ¼i²eÊÇñÓÐÒ»¸o»oÕ߶a¸oapc¼uÃu´aeÔÚ
9.apc_delete_file(mixed keys) ´Óopcode»º´aeÖÐɾ³ý¸ø¶¨ÎļþµÄ»º´ae
10.apc_compile_file(string filename [,bool atmic=true]) ÈƹýfiltersµÄÏÞÖÆ£¬»º´aeÎļþ
11.apc_cache_info(string cache_type [,bool limited=false]) »ñÈ¡»º´aeiÐÍÄÌÎo
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<?php
$constants = array('APC_FILE'=>'apc.php','AUTHOR'=>'tim');
apc_define_constants('memb',$constants );
apc_load_constants('memb');
//echo APC_FILE;
//echo AUTHOR;

if(!apc_fetch('time1')) apc_store('time1',time());
if(!apc_fetch('time2')) apc_store('time2',time(),2);
//echo apc_fetch('time1');
//echo apc_fetch('time2');

class a{
public function b(){echo 'success';}
}
apc_store('obj',new a());
$a = apc_fetch('obj');
//$a-b();

$ret = apc_exists(array('foo', 'donotexist', 'bar'));
//array(2) { ["foo"]=> bool(true) ["bar"]=> bool(true) }
?>
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apc.cache_by_default = on
;sys
; ÊÇñĬÈ϶ÔËuÓÐÎļþÆoÓûº³a¡£
; ÈoÉeΪoff²¢ÓeÒԼӺſªÍµÄapc.filtersÖ¸ÁiÒ»ÆðÓã¬ÔoÎļþ½oÔÚÆ¥Åa¹ýÂËÆ÷ʱ²Å±»»º´ae¡£

apc.enable_cli = off
;sys
; ÊÇ*ñΪcli°ae±¾ÆoÓÃapc¹¦ÄÜ£¬½oÓÃÓÚ²aÊԺ͵÷ÊÔÄ¿µÄ²Å´o¿ª´ËÖ¸Ái¡£

apc.enabled = on
; ÊÇñÆoÓÃapc£¬Èç¹uapc±»¾²Ì¬±aÒe½øphpÓÖÏe½uÓÃËu£¬ÕaÊÇΨһµÄ°i¨¡£

apc.file_update_protection = 2
;sys
; µ±ÄaÔÚÒ»¸oÔËÐÐÖеÄþÎñÆ÷ÉÏÐÞ¸ÄÎļþʱ£¬ÄaÓ¦µ±Ö´ÐÐÔ­×Ó²Ù×÷¡£
; Ò²¾ÍÊÇÏÈд½øÒ»¸oÁÙʱÎļþ£¬È»ºo½«¸ÃÎļþÖØÃuÃu(mv)µ½×iÖÕµÄÃu×Ö¡£
; Îı¾±a¼­Æ÷ÒÔ¼°cp, tar µÈ³ÌÐoÈ´²¢²»ÊÇÕaÑu²Ù×÷µÄ£¬´Ó¶øµ¼ÖÂÓпÉÄÜ»º³aÁ˲ÐȱµÄÎļþ¡£
; ĬÈÏÖµ2 ±iʾÔÚÃÎÊÎļþʱÈç¹u¢ÏÖÐÞ¸Äʱ¼a¾aÀeÃÎÊʱ¼aСÓÚ2 ÃeÔo²»×o»º³a¡£
; ÄǸo²»ÐÒµÄÃÎÊÕß¿ÉÄܵõ½²ÐȱµÄÄÚÈÝ£¬µ«ÊÇÕaÖÖ»µÓ°ÏiÈ´²»»aͨ¹ý»º´aeÀ(C)´o»¯¡£
; Èç¹uÄaÄÜȱ£ËuÓеĸuвÙ×÷¶¼ÊÇÔ­×Ó²Ù×÷£¬ÄÇô¿ÉÒÔÓÃ0 ¹Ø±Õ´ËÌØÐÔ¡£
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apc.filters =
;sys
; Ò»¸oÒÔ¶ººÅÖ¸oµÄposixÀ(C)Õ¹ÕýÔo±i´iʽÁбi¡£
; Èç¹uÔ´ÎļþÃuÓeÈÎÒaÒ»¸oģʽƥÅa£¬Ôo¸ÃÎļþ²»±»»º´ae¡£
; ×¢Òa£¬ÓÃÀ´Æ¥ÅaµÄÎļþÃuÊÇ´«µÝ¸øinclude/requireµÄÎļþÃu£¬¶ø²»ÊǾø¶Ô¾¶¡£
; Èç¹uÕýÔo±i´iʽµÄµÚÒ»¸o×ÖuÊÇ"+"ÔoÒaζ×ÅÈκÎÆ¥Åa±i´iʽµÄÎļþ»a±»»º´ae£¬
; Èç¹uµÚÒ»¸o×ÖuÊÇ"-"ÔoÈκÎÆ¥ÅaÏi¶¼²»»a±»»º´ae¡£"-"ÊÇĬÈÏÖµ£¬¿ÉÒÔÊ¡ÂÔµo¡£

apc.ttl = 0
;sys
; »º´aeÌoÄ¿ÔÚ»º³aÇøÖÐÔÊÐi¶ºÁoµÄÃeÊý¡£0 ±iʾÓÀ²»³¬Ê±¡£½¨ÒeֵΪ7200~36000¡£
; ÉeΪ0 Òaζ×Å»º³aÇøÓпÉÄܱ»¾ÉµÄ»º´aeÌoÄ¿ÌiÂu£¬´Ó¶øµ¼ÖÂÎÞ*¨»º´aeÐÂÌoÄ¿¡£

apc.user_ttl = 0
;sys
; ÀaËÆÓÚapc.ttl£¬Ö»ÊÇÕe¶Ôÿ¸oÓû§¶øÑÔ£¬½¨ÒeֵΪ7200~36000¡£
; ÉeΪ0 Òaζ×Å»º³aÇøÓпÉÄܱ»¾ÉµÄ»º´aeÌoÄ¿ÌiÂu£¬´Ó¶øµ¼ÖÂÎÞ*¨»º´aeÐÂÌoÄ¿¡£

apc.gc_ttl = 3600
;sys
; »º´aeÌoÄ¿ÔÚÀ¬»ø»ØÊÕ±iÖÐÄܹ»´aeÔÚµÄÃeÊý¡£
; ´ËÖµÌa¹(C)ÁËÒ»¸o°²È«´eÊ(C)£¬¼´Ê¹Ò»¸oþÎñÆ÷½ø³ÌÔÚÖ´Ðлº´aeµÄÔ´Îļþʱ±ÀÀ££¬
; ¶øÇÒ¸ÃÔ´ÎļþÒѾ­±»Ð޸ģ¬Îª¾É°ae±¾ÖÅaµÄÄÚ´aeÒ²²»»a±»»ØÊÕ£¬Ö±µ½´iµ½´ËttlֵΪֹ¡£
; ÉeΪÁa½«½uÓôËÌØÐÔ¡£

apc.include_once_override = off
;sys
; ¹ØÓÚ¸ÃÖ¸ÁiÄ¿Ç°ÉÐÎÞ˵Ã÷Îĵµ£¬²Î¼u£ºhttp://pecl.php.net/bugs/bug.php?id=8754
; Çe±£³ÖΪoff£¬*ñÔo¿ÉÄܵ¼ÖÂÒaÏe²»µ½µÄ½a¹u¡£

apc.max_file_size = 1m
;sys
; ½uÖ¹´oÓڴ˳ߴçµÄÎļþ±»»º´ae¡£

apc.mmap_file_mask =
;sys
; Èç¹uʹÓèCenable-mmap(ĬÈÏÆoÓÃ)Ϊapc±aÒeÁËmmapÖ§³Ö£¬
; ÕaÀiµÄÖµ¾ÍÊÇ´«µÝ¸ømmapÄ£¿eµÄmktempç¸ñµÄÎļþÑÚÂe(½¨ÒeֵΪ"/tmp/apc.xxxxxx")¡£
; ¸ÃÑÚÂeÓÃÓÚ¾o¶¨ÄÚ´aeÓ³ÉaÇøÓoÊÇñÒª±»file-backed»oÕßshared memory backed¡£
; ¶ÔÓÚÖ±½ÓµÄfile-backedÄÚ´aeÓ³Éa£¬ÒªÉeÖóÉ"/tmp/apc.xxxxxx"µÄÑu×Ó(Ç¡ºÃ6¸ox)¡£
; ҪʹÓÃposix*ç¸ñµÄshm_open/mmap¾ÍÐeÒªÉeÖóÉ"/apc.shm.xxxxxx"µÄÑu×Ó¡£
; Äa»¹¿ÉÒÔÉeΪ"/dev/zero"À´ÎªÄaÃuÓ³ÉaµÄÄÚ´aeʹÓÃÄں˵Ä"/dev/zero"½Ó¿Ú¡£
; ²»¶¨Òa´ËÖ¸ÁiÔo±iʾǿÖÆʹÓÃÄaÃuÓ³Éa¡£

apc.num_files_hint = 1000
;sys
; webþÎñÆ÷ÉÏ¿ÉÄܱ»°uº¬»o±»ÇeÇoµÄ²»Í¬Ô´ÎļþµÄ´oÖÂÊýÁ¿(½¨ÒeֵΪ1024~4096)¡£
; Èç¹uÄa²»ÄÜȶ¨£¬ÔoÉeΪ0 £»´ËÉe¶¨Ö÷ÒªÓÃÓÚÓµÓÐÊýǧ¸oÔ´ÎļþµÄÕ¾µa¡£

apc.optimization = 0
; ÓÅ»¯¼¶±ð(½¨ÒeֵΪ0 ) ¡£
; ÕýÕuÊýÖµ±iʾÆoÓÃÓÅ»¯Æ÷£¬ÖµÔ½¸ßÔoʹÓÃÔ½¼¤½øµÄÓÅ»¯¡£
; ¸u¸ßµÄÖµ¿ÉÄÜÓÐ*dz£ÓÐÏÞµÄËÙ¶ÈÌaÉý£¬µ«Ä¿Ç°ÉÐÔÚÊÔÑeÖС£

apc.report_autofilter = off
;sys
; ÊÇ*ñ¼Ç¼ËuÓÐÓÉÓÚearly/late bindingÔ­Òo¶ø×Ô¶¯Î´±»»º´aeµÄ½Å±¾¡£

apc.shm_segments = 1
;sys
; Ϊ±aÒeÆ÷»º³aÇø*ÖÅaµÄ¹²ÏiÄÚ´ae¿eÊýÁ¿(½¨ÒeֵΪ1)¡£
; Èç¹uapcºÄ¾¡Á˹²ÏiÄÚ´ae£¬²¢ÇÒÒѽ«apc.shm_sizeÖ¸ÁiÉeΪϵͳÔÊÐiµÄ×i´oÖµ£¬
; Äa¿ÉÒÔ³¢ÊÔÔo´o´ËÖµ¡£

apc.shm_size = 30
;sys
; ÿ¸o¹²ÏiÄÚ´ae¿eµÄ´oС(ÒÔmbΪµ¥Î»£¬½¨ÒeֵΪ128~256)¡£
; ÓÐÐ(C)ϵͳ(°uÀ¨´o¶aÊýbsd±aÖÖ)ĬÈϵĹ²ÏiÄÚ´ae¿e´oС*dz£ÉÙ¡£

apc.slam_defense = 0
;sys(´¶ÔʹÓøÃÖ¸Ái£¬½¨Òe¸ÃÓÃapc.write_lockÖ¸Ái)
; ÔÚdz£±Ã¦µÄþÎñÆ÷ÉÏ£¬ÎÞÂÛÊÇÆo¶¯þÎñ»¹ÊÇÐÞ¸ÄÎļþ£¬
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; Õa¸oÖ¸ÁiÓÃÓÚÉeÖýø³ÌÔÚ´¦Àiδ±»»º´aeµÄÎļþʱÌø¹ý»º´ae²½ÖeµÄ°ÙÖÂÊ¡£
; ±ÈÈçÉeΪ75±iʾÔÚÓoµ½Î´±»»º´aeµÄÎļþʱÓÐ75%µÄ¸ÅÂʲ»½øÐлº´ae£¬´Ó¶ø¼oÉÙÅoײ¼¸ÂÊ¡£
; ¹ÄÀøÉeΪ0 À´½uÓÃÕa¸oÌØÐÔ¡£

apc.stat = on
;sys
; ÊÇñÆoÓýű¾¸uмi²e¡£
; ¸Ä±aÕa¸oÖ¸ÁiֵҪdz£Ð¡ÐÄ¡£
; ĬÈÏÖµon ±iʾapcÔÚÿ´ÎÇeÇo½Å±¾Ê±¶¼¼i²e½Å±¾ÊÇñ±»¸uУ¬
; Èç¹u±»¸uÐÂÔo×Ô¶¯ÖØбaÒeºÍ»º´ae±aÒeºoµÄÄÚÈÝ¡£µ«ÕaÑu×o¶ÔÐÔÄÜÓв»ÀuÓ°Ïi¡£
; Èç¹uÉeΪ off Ôo±iʾ²»½øÐмi²e£¬´Ó¶øʹÐÔÄܵõ½´ouÌa¸ß¡£
; µ«ÊÇΪÁËʹ¸uеÄÄÚÈÝÉuЧ£¬Äa±ØÐeÖØÆowebþÎñÆ÷¡£
; Õa¸oÖ¸Ái¶ÔÓÚinclude/requireµÄÎļþͬÑuÓÐЧ¡£µ«ÊÇÐeҪעÒaµÄÊÇ£¬
; Èç¹uÄaʹÓõÄÊÇÏa¶Ô¾¶£¬apc¾Í±ØÐeÔÚÿһ´Îinclude/requireʱ¶¼½øÐмi²eÒÔ¶¨Î»Îļþ¡£
; ¶øʹÓþø¶Ô¾¶Ôo¿ÉÒÔÌø¹ý¼i²e£¬ËuÒÔ¹ÄÀøÄaʹÓþø¶Ô¾¶½øÐÐinclude/require²Ù×÷¡£

apc.user_entries_hint = 100
;sys
; ÀaËÆÓÚnum_files_hintÖ¸Ái£¬Ö»ÊÇÕe¶Ôÿ¸o²»Í¬Óû§¶øÑÔ¡£
; Èç¹uÄa²»ÄÜÈ*¶¨£¬ÔoÉeΪ0 ¡£

apc.write_lock = on
;sys
; ÊÇñÆoÓÃдÈeËø¡£
; ÔÚdz£±Ã¦µÄþÎñÆ÷ÉÏ£¬ÎÞÂÛÊÇÆo¶¯*þÎñ»¹ÊÇÐÞ¸ÄÎļþ£¬
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; ÆoÓøÃÖ¸Ái¿ÉÒÔ±ÜÃa¾ºÕuÌo¼þµÄ³oÏÖ¡£

apc.rfc1867 = off
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; ´o¿ª¸ÃÖ¸Áiºo£¬¶ÔÓÚÿ¸oÇ¡ºÃÔÚfile×Ö¶Î֮ǰº¬ÓÐapc_upload_progress×ֶεÄÉÏ´«Îļþ£¬
; apc¶¼½«×Ô¶¯´´½¨Ò»¸oupload_µÄÓû§»º´aeÌoÄ¿(¾ÍÊÇapc_upload_progress×Ö¶ÎÖµ)¡£