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$repeatCount = '';
$delUserSql  = '';
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define( 'WEBSITE_NAME', 'Ãû³Æ' );
define( 'WEBSITE_URL',  'µØÖ·' )
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$scopeArray  = array();
$bookIdArray = array();
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PHP Ö´ÐÐϵͳÍⲿÃüÁî system() exec() passthru()


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system() Êä³ö²¢·µ»Ø×îºóÒ»ÐÐshell½á¹û¡£
exec() ²»Êä³ö½á¹û£¬·µ»Ø×îºóÒ»ÐÐshell½á¹û£¬ËùÓнá¹û¿ÉÒÔ±£´æµ½Ò»¸ö·µ»ØµÄÊý×éÀïÃæ¡£
passthru() Ö»µ÷ÓÃÃüÁ°ÑÃüÁîµÄÔËÐнá¹ûÔ­ÑùµØÖ±½ÓÊä³öµ½±ê×¼Êä³öÉ豸ÉÏ¡£
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demo:
<?PHP
    echo "<br>----------------system-----------------------<br>";
    system('dir');
   
    echo "<br>-----------------exec----------------------<br>";
    exec ('dir');
   
    echo "<br>------------------passthru---------------------<br>";
    passthru ('dir');
   
    echo "<br>--------------------echo-------------------<br>";
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Ò»¸ö¼òµ¥µÄÀý×Ó¾ÍÊǼÆËã½èÊéµÄÌìÊý,ÕâÐèÒªphp¸ù¾ÝÿÌìµÄÈÕÆÚ½øÐмÆËã,ÏÂÃæ¾ÍÀ´Ì¸Ì¸ÊµÏÖÕâÖÖÈÕÆÚ¼ÆËãµÄ¼¸ÖÖ·½·¨:
(1) Èç¹ûÓÐÊý¾Ý¿â¾ÍºÜÈÝÒ×ÁË!ÈôÊÇMSSQL¿ÉÒÔʹÓô¥·¢Æ÷!ÓÃרÃżÆËãÈÕÆÚ²îµÄº¯Êýdatediff()±ã¿É!  
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(2)Èç¹ûûÓÐÊý¾Ý¿â,ÄǾ͵ÃÍêÈ«ÓÃphpµÄʱ¼äÈÕÆÚº¯Êý!ÏÂÃæÖ÷Ҫ˵Ã÷Ö®:  
  Àý:¼ÆËã1998Äê5ÔÂ3ÈÕµ½1999-6-5µÄÌìÊý:  
<? $startdate=mktime("0","0","0","5","3","1998");
   $enddate=mktime("0","0","0","6","5","1999");
   //ËùµÃµ½µÄֵΪ´Ó1970-1-1µ½²ÎÊýʱ¼äµÄ×ÜÃëÊý:ÊÇÕûÊý.ÄÇô 
   //ÏÂÃæµÄ´úÂë¾ÍºÃ±à¶àÁË:
  $days=round(($enddate-$startdate)/3600/24) ;
  echo $days;
  //daysΪµÃµ½µÄÌìÊý;
  Èômktime()ÖеIJÎÊýȱʡ,ÄDZíʾʹÓõ±Ç°ÈÕÆÚ,ÕâÑù±ã¿É¼ÆËã´Ó½èÊéÈÕÆÚÖÁ½ñµÄÌìÊý.    
  ¿É± ......

PHPÈçºÎ¶ÔSESSIONÐòÁл¯£¨SESSION¶ÔÏó´¦Àí£©

這個問題ÓÐ點Ææ¹Ö£¬ÔÚJavaºÍ.netµÄÊÀ½ç裡還δÅöµ½過.......
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php ʹÓÃÃüÁîÐÐ×Ô±äÁ¿
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    ÓÃPHP½Å±¾±àдһ¶Î¶ÁÈ¡$argv²¢´¦ÀíËüËùº¬²ÎÊýµÄ´úÂëÊǺܼòµ¥µÄ¡£ÊÔÊÔÁбíBÀïµÄʾÀý½Å±¾£¬¿´¿´ËüÊÇÈçºÎ¹¤×÷µÄ£º
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<?php
    print_r($argv);
?>
Run this script by passing it some arbitrary values, and check the output:
shell> /path/to/phptest.php chocolate 276 "killer tie, dude!"
Array
(
    [0] => test.php
    [1] => chocolate
    [2] => 276
    [3] => killer tie, dude!
)
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