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ÅжÏÒ»¸ö×Ö·û´®ÖÐÊÇ·ñº¬ÓÐÁíÒ»×Ö·û´®£¬phpÓкܶ෽·¨£¬ÈçÏ£º
1. ³£¼ûº¯Êý
strstr($str, "abc");  
strstr($str, "abc");
2. ÕýÔòÆ¥Åä
preg_match("/(abc)/is", $str);  
preg_match("/(abc)/is", $str);
µ«ÊÇҪƥÅäÒ»¸ö×Ö·û´®ÖУ¬²»°üº¬Ä³×Ö·û´®£¬ÓÃÕýÔò¾Í±È½ÏÂé·³ÁË¡£
1. Èç¹û²»ÓÃÕýÔòÈçϾͿÉÒÔ½â¾öÎÊÌâ
!strstr($str, "abc");  
!strstr($str, "abc");
2. µ«ÊÇÓÃÕýÔòÄØ£¬¾ÍÖ»ÓÐÕâÑùÁË
preg_match("/^((?!abc).)*$/is", $str);  
preg_match("/^((?!abc).)*$/is", $str);
ÍêÕû´úÂëʾÀý
$str = "dfadfadf765577abc55fd";  
$pattern_url = "/^((?!abc).)*$/is";  
if (preg_match($pattern_url, $str))  
{  
    echo "²»º¬ÓÐabc£¡";  
}  
else  
{  
    echo "º¬ÓÐabc£¡";  
}  
$str = "dfadfadf765577abc55fd"; $pattern_url = "/^((?!abc).)*$/is"; if (preg_match($pattern_url, $str)) { echo "²»º¬ÓÐabc£¡"; } else { echo "º¬ÓÐabc£¡"; }
½á¹ûΪ£ºfalse£¬º¬ÓÐabc£¡
ͬʱƥÅ䣬°üº¬×Ö·û´® “abc”£¬¶øÇÒ²»°üº¬×Ö·û´® “xyz”µÄÕýÔò±í´ïʽ£º
preg_match("/(abc)[^((?!xyz).)*$]/is", $str);  


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PHPÔ´´úÂë¼òµ¥·ÖÎö
1. Ŀ¼½á¹¹
   1. build ºÍ±àÒëÓйصÄĿ¼¡£
   2. ext À©Õ¹¿â´úÂ룬ÀýÈç Mysql¡¢zlib¡¢iconv µÈÎÒÃÇÊìϤµÄÀ©Õ¹¿â¡£
   3. main Ö÷Ŀ¼¡£
   4. sapi ºÍ¸÷ÖÖ·þÎñÆ÷µÄ½Ó¿Úµ÷Óã¬ÀýÈçapache¡¢IISµÈ£¬Ò²°üº¬Ò»°ãµÄfastcgi¡¢cgiµÈ¡£
   5. wi ......

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<?php
class Book{
    static $num=0;
    public function showme(){
        echo 'ÄúÊǵÚ'.self::$num.'λ·Ã¿Í';
        self::$num++;
     ......

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