PHPÊÇʲô£¿
PHPÊÇʲô£¿
PHPÊÇÒ»ÖÖ¿ª·¢ÓïÑÔ£¬Ê¼´´ÓÚ1995Ä꣬¹Ù·½ÍøÕ¾www.php.net
PHPµÄÈ«³ÆÊdz¬Îı¾Ô¤´¦ÀíÆ÷£¨Hypertext Preprocessor£©
PHPÊÇÒ»ÖÖ´´½¨¶¯Ì¬½»»¥ÍøÕ¾µÄ·þÎñÆ÷¶Ë½Å±¾ÓïÑÔ£¬Í¨³£ÐèÒª´îÅäApache£¨Web·þÎñÆ÷Èí¼þ£©Ò»ÆðʹÓ㬲»¹ýÒ²¿ÉÒÔ´îÅäÆäËû·þÎñÆ÷Èí¼þ£¬ÈçIIS¡¢NginxµÈ¡£
PHPÊÇ×îÁ÷ÐеÄÍøÕ¾¿ª·¢ÓïÑÔÖ®Ò»£¬ÍêÈ«Ãâ·ÑʹÓ㬷dz£ÈÝÒ×ÉÏÊÖ£¬ÓëÁíÍâÈý¸ö¿ªÔ´Èí¼þ×é³É¾µäµÄLAMP×éºÏ£¨Linux+Apache+MySQL+PHP£©£¬ÉîÊܹã´óÍøÕ¾¿ª·¢ÕßµÄϲ°®¡£
PHP¿ÉÒÔÖ±½ÓǶÈëHTML´úÂëÖУ¬·Ç³£ÊʺÏÍøÕ¾¿ª·¢£¬ÏÂÃæÎÒÃÇ¿´¶Î´úÂë
Îı¾²é¿´¸´ÖÆ´úÂë´òÓ¡¹ØÓÚ
<html>
<head>
<title>365PHP – PHPÅàѵÓë½»Á÷ƽ̨</title>
</head>
<body>
<?php
echo “<h1>»¶Ó¹âÁÙ365PHP</h1>”;
?>
</body>
</html>
<html>
<head>
<title>365PHP – PHPÅàѵÓë½»Á÷ƽ̨</title>
</head>
<body>
<?php
echo “<h1>»¶Ó¹âÁÙ365PHP</h1>”;
?>
</body>
</html>
PHPÄÜ×öʲô£¿
PHPÖ÷ÒªÓÃÓÚÒÔÏÂÈý¸öÁìÓò
·þÎñÆ÷¶Ë½Å±¾£º¶¯Ì¬ÍøÕ¾¿ª·¢£¬365PHP¾ÍÊÇ»ùÓÚPHPÓïÒô£¬Ê¹ÓþµäµÄCMS¿ªÔ´ÏîÄ¿Joomla£¡½¨Á¢¶ø³É¡£
¿Í»§¶ËͼÐÎÓû§½çÃæ£¨GUI£ºGraphics User Interface£©£¬ÈçGTKÀ¦°óPHP¿ª·¢Óû§Í¼ÐνçÃæ¡£
ÃüÁîÐнű¾£ºPHP×öΪShell½Å±¾ÓïÑÔÀ´Ê¹Óá£
µ±È»PHPÖ÷ÒªÊÇÓÃÓÚ·þÎñÆ÷¶ËµÄ½Å±¾³ÌÐò£¬Òò´ËÄú¿ÉÒÔÓÃPHPÀ´Íê³ÉÈÎºÎÆäËûCGI³ÌÐòÄܹ»Íê³ÉµÄ¹¤×÷£¬ÀýÈçÊÕ¼¯±íµ¥Êý¾Ý¡¢Éú³É¶¯Ì¬ÍøÒ³¡¢·¢Éú/½ÓÊÕCookieµÈ£¬PHPµÄ¹¦ÄÜÔ¶²»¾ÖÏÞÓë´Ë¡£
PHPµÄÌØµã
PHPÊÇ¿ª·¢Ô´´úÂëµÄ£¬ÔËÐÐÓÚ·þÎñÆ÷¶ËµÄ½Å±¾ÓïÑÔ
¶ÀÁ¢ÓÚ²Ù×÷ϵͳ£¬¿ÉÒÔÔËÐÐÔÚ¼¸ºõËùÓÐϵͳÖÐ
Ö§³Ö´ó²¿·ÖµÄ·þÎñÆ÷Èí¼þ£¬ÈçApache¡¢IIS¡¢Ng
Ïà¹ØÎĵµ£º
PHP °æ±¾¸÷Ò죬ÒѾֹͣÉý¼¶¿ª·¢µÄÓÐ 4.0 ϵÁÐµÄ 4.4.x£¬µ«ÏÖÔÚ»¹Óв¿·ÖÉú²ú»·¾³ÔÚÅÜÕâ¸ö°æ±¾£¬ÐèÒª¼ÌÐøÎ¬»¤´úÂë¡£PHP 5.0 ϵÁÐÊÇÏÖÔÚ¿ª·¢ºÍÓ¦ÓõÄÖ÷Á÷°æ±¾£¬ÓÐ 5.1.x ºÍ 5.2.x ϵÁС£PHP 6.0 Ŀǰ»¹ÊÇÊÔÓð汾£¬Óà PHP ¿ª·¢Èí¼þ²úÆ·µÄÈËÏÖÔÚ¿ÉÒÔÔ¤ÏÈ×÷¼æÈÝÐÔ²âÊÔ¡£
PHP Ö§³ÖµÄÊý¾Ý ......
$ip = "1.1.1.255".chr(0)."haha";
if(ereg("^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$",$ip)) {
echo $ip;
} else {
echo "unknown";
}
Õâ¸öeregÕýÔòÏÞÖÆÁË$ipµÄÊý¾ÝΪxxx.xxx.xxx.xxxÕâÑùµÄÐÎʽ£¬±íÃæÉÏ¿´ÉÏÃæµÄ´úÂëÓ¦¸ÃÊä³ö"unknown"£¬¶øÊµ¼ÊÈ´Êä³öÁË"1.1.1.255haha"£¬ÒòΪeregº¯Êý´æÔÚNULL½Ø¶Ï ......
Õ⼸Ì죬ÎÒÔÚѧϰPHPÓïÑÔÖеÄSPL
¡£
Õâ¸ö¶«Î÷Ó¦¸ÃÊôÓÚPHPÖеĸ߼¶ÄÚÈÝ£¬¿´ÉÏÈ¥ºÜ¸´ÔÓ£¬µ«ÊǷdz£ÓÐÓã¬ËùÒÔÎÒ×öÁ˳¤Æª±Ê¼Ç¡£²»È»¼Ç²»×¡£¬ÒÔºóÒªÓõÄʱºò£¬»¹ÊÇÒª´ÓͷѧÆð¡£
ÓÉÓÚÕâÊǹ©×Ô¼º²Î¿¼µÄ±Ê¼Ç£¬²»Êǽ̳̣¬ËùÒÔдµÃ±È½Ï¼òµ¥£¬Ã»Óжà½âÊÍ¡£µ«ÊÇÎÒÏ룬Èç¹ûÄãÊÇÒ»¸öÊìÁ·µÄPHP5³ÌÐòÔ±£¬Ó¦¸Ã×ãÒÔ¿´¶®ÏÂÃæµÄ²ÄÁÏ£¬¶øÇÒ» ......
PHPÁ÷³Ì¿ØÖÆ
ÔÚÈκÎÒ»ÃųÌÐòÉè¼ÆÓïÑÔÖУ¬¶¼ÐèÒªÖ§³ÖÂú×ã³ÌÐò½á¹¹»¯ËùÐèÒªµÄÈýÖÖ»ù±¾½á¹¹
˳Ðò½á¹¹
·ÖÖ§½á¹¹£¨Ñ¡Ôñ½á¹¹£©
Ñ»·½á¹¹
ÔÚPHPÖУ¬ÎªÖ§³ÖÕâÈýÖֽṹ£¬ÌṩÁËʵÏÖÕâÈýÖֽṹËùÐèµÄÓï¾ä¡£
1¡¢Ë³Ðò½á¹¹£º
ÔÚ³ÌÐò½á¹¹ÖУ¬×î»ù±¾µÄ¾ÍÊÇ˳Ðò½á¹¹¡£³ÌÐò»á°´ÕÕ×ÔÉ϶øÏµÄ˳ÐòÖ´ÐдúÂ룬»ù±¾ÐÎʽΪ£º
Óï¾ä1;
Óï ......
PHPÊý¾ÝÀàÐÍ£¬ÓаËÖÖÔʼÀàÐÍ
ËÄÖÖ±êÁ¿ÀàÐÍ
²¼¶ûÐÍ£¨boolean£©
ÕûÐΣ¨integer£©
¸¡µãÐÍ£¨fload¡¢Ò²×ödouble£©
×Ö·û´®£¨string£©
Á½ÖÖ¸´ºÏÀàÐÍ
Êý×飨array£©
¶ÔÏó£¨object£©
Á½ÖÖÌØÊâÀàÐÍ
×ÊÔ´£¨resource£©
NULL
PHPÊÇÒ»ÖÖÈõÀàÐÍÓïÑÔ£¬ÔÚ´ó¶àÊý±à³ÌÓïÑÔÖУ¬±äÁ¿Ö»Äܱ£³ÖÒ»ÖÖÀàÐ͵ÄÊý¾Ý£¬¶øÇÒÕâ¸öÀàÐ ......