APC(Alternative PHP Cache)
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1)´Óhttp://pecl.php.net/package/apcÏÂÔØÏàÓ¦°æ±¾
2)½âѹ
3)½øÈëÔ´ÂëĿ¼
4)Ö´ÐÐphp°²×°Ä¿Â¼ÏµÄbin/phpize
5)./configure --enable-apc --enable-apc-mmap --with-apxs=path-to-apache/bin/apxs --with-php-config=path-to-php/bin/php-config
6)make && make install
7)½«Éú³ÉµÄapc.so¼ÓÔØµ½php.ini(extesion=apc.so,×¢Òâextension_dirµÄÉèÖÃ)
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×¢:windowsÏÂ,Ö»Òªµ½http://snaps.php.net/µÄÏàÓ¦·ÖÖ§ÏÂÏÂÔØphp_apc.dll,ÔÙÔÚphp.iniÖмÓÔØ¼´¿É
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apcµÄÓ÷¨±È½Ï¼òµ¥,Ö»Óм¸¸öº¯Êý,ÁоÙÈçÏÂ
apc_clear_cache() Çå³ýapc»º´æÄÚÈÝ
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apc_define_constants ( string key, array constants [, bool case_sensitive] )
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apc_load_constants (string Key)
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apc_store ( string key, mixed var [, int ttl] )
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apc_fetch ( string key )
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apc_delete ( string key )
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ÍêÕûÀý×ÓÈçÏÂ:
<?php
//apc test
//constants
$constants = array('APC_FILE' => 'apc.php', 'AUTHOR' => 'tim');
apc_define_constants('numbers', $constants);
apc_load_constants('numbers');
echo 'APC_FILE='.APC_FILE.'<br>';
echo 'AUTHOR='.AUTHOR.'<br>';
//variable
if(!apc_fetch('time1')) apc_store('time1', time());
if(!apc_fetch('time2')) apc_store('time2', time(),2); //set ttl
echo 'time1:'.apc_fetch('time1').'<br>';
echo 'time2:'.apc_fetch('time2').'<br>';
//object
class a{
function b(){return 'i am b in class a';}
}
apc_store('obj',new a());
$a = apc_fetch('obj');
echo $a->b();
echo '<br>';
//array
$arr = array('a'=>'i am a','b'=>'i am b');
apc_store('arr',$arr);
$apc_arr = apc_fetch('arr');
print_r($apc_arr);
?>
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