ÖØÒªµÄPHP³¬¼¶È«¾Ö±äÁ¿×ܽá
ÖØÒªµÄPHP³¬¼¶È«¾Ö±äÁ¿×ܽá
2008-07-14 16:53:03
¡¡±êÇ©£ºÈ«¾Ö±äÁ¿
¡¡¡¡¡¡[ÍÆË͵½¼¼ÊõȦ
]
PHPÓÐ9¸öÔ¤¶¨Òå±äÁ¿Êý×飬·Ö±ð×ܽáÈçÏ£º
1¡¢$_SERVER
$_SERVER³¬¼¶È«¾Ö±äÁ¿°üº¬ÓÉweb·þÎñÆ÷´´½¨µÄÐÅÏ¢£¬ËüÌṩÁË·þÎñÆ÷ºÍ¿Í»§ÅäÖü°µ±Ç°ÇëÇó»·¾³µÄÓйØÐÅÏ¢¡£¸ù¾Ý·þÎñÆ÷²»Í¬£¬$_SERVERÖеÄ
±äÁ¿ÖµºÍ±äÁ¿¸öÊý»áÓвî±ð£¬²»¹ýÒ»°ã¶¼¿ÉÒÔÕÒµ½CGI1.1¹æ·¶Öж¨ÒåµÄ±äÁ¿¡£ÆäÖаüÀ¨£º
$_SERVER[ 'HTTP_REFERER' ] ; Òýµ¼Óû§µ½´ïµ±Ç°Î»ÖõÄÒ³ÃæµÄURL £»
$_SERVER[ 'REMOTE_ADDR‘ ] ; ¿Í»§IPµØÖ· £»
$_SERVER[ ’REQUEST_URI‘ ] ; URLµÄ·¾¶²¿·Ö¡£Èç¹ûURLÊÇ [url]http://www.example.com/blog/apache/index.html[/url]
£¬ÄÇôURI¾ÍÊÇ/blog/apache/index.html ¡£
$_SERVER[ 'HTTP_USER_AGENT' ] ; ¿Í»§µÄÓû§´úÀí£¬Ò»°ã»áÌṩ²Ù×÷ϵͳºÍä¯ÀÀÆ÷µÄÓйØÐÅÏ¢¡£
2¡¢$_GET
$_GET³¬¼¶È«¾Ö±äÁ¿°üº¬Ê¹ÓÃGET·½·¨´«µÝµÄ²ÎÊýµÄÓйØÐÅÏ¢¡£Èç¹ûÇëÇóURLΪ[url]http://www.example.com/index.html?cat=apache&id=157[/url]
£¬
¾Í¿ÉÒÔʹÓÃ$_GET³¬¼¶È«¾Ö±äÁ¿·ÃÎÊÈçϱäÁ¿£º
$_GET[ 'cat' ] = "apache" ;
$_GET[ 'id' ] = "157" ;
ĬÈÏÇé¿öÏ£¬Òª·ÃÎÊͨGET·½·¨´«µÝµÄ±äÁ¿£¬$_GET³¬¼¶È«¾Ö±äÁ¿ÊÇΨһµÄ;¾¶¡£
3¡¢$_POST
$_POST³¬¼¶È«¾Ö±äÁ¿°üº¬ÓÃPOST·½·¨´«µÝµÄ²ÎÊýµÄÓйØÐÅÏ¢¡£
<form caction="subscribe.php" method = "post">
<p>
Email address : &
Ïà¹ØÎĵµ£º
ÏÂÃæ½éÉܼ¸ÖÖPHPÖÐÅжϡ¢Ñ»·µÄ¼¸ÖÖд·¨¡£
×îÆÕͨµÄÅжϣº
<?php
if( $args != NULL )
{
call_func($args);
}
?>
¶ÔÓÚµ¥ÐеÄÖ´ÐÐÓï¾ä£¬¿ÉÒÔд³É£º
<?php
if( $args != NULL ) call_func($args);
?>
Ò²¿ÉÒÔʹÓÃÒýºÅµÄ·½Ê½¡£
<?php
if( $args != NULL ):
call_func($args);
......
PHPÖÐͨ³£Óм¸ÖÖ×Ô¶¨Ò庯ÊýµÄ·½·¨£¬ÏÂÃæ½éÉÜһϣ¬ÎÒÃÇʹÓõÄÊÇÕâÖÖ·½Ê½£º
<?php
function foo($arg)
{
return $arg
}
?>
µ±Ä³Ð©²ÎÊýΪ¿ÉÑ¡ÊÇ£¬¿ÉÒÔÕâÑù¶¨Ò壺
<?php
function foo($arg = NULL)
{
return $arg == NULL ? "" : $arg;
}
?>
µ±ÎÒÃDz»ÏÞÖÆ²ÎÊý¸öÊýµÄʱºò£¬Ò²¿ÉÒ ......
¡¡¡¡Ã¿´ÎÎÒÃÇ·ÃÎÊ PHP ½Å±¾µÄʱºò£¬¶¼Êǵ±ËùÓеÄPHP½Å±¾Ö´ÐÐÍê³Éºó£¬ÎÒÃDzŵõ½·µ»Ø½á¹û¡£Èç¹ûÎÒÃÇÐèÒªÒ»¸ö½Å±¾³ÖÐøµÄÔËÐУ¬ÄÇôÎÒÃǾÍҪͨ¹ý PHP ³¤Á¬½ÓµÄ·½Ê½£¬À´´ïµ½ÔËÐÐÄ¿µÄ¡£
¡¡¡¡Ã¿¸ö PHP ½Å±¾¶¼ÏÞÖÆÁËÖ´ÐÐʱ¼ä£¬ËùÒÔÎÒÃÇÐèҪͨ¹ý set_time_limit À´ÉèÖÃÒ»¸ö½Å±¾µÄÖ´ÐÐʱ¼äΪÎÞÏÞ³¤£»È»ºóʹÓà flush() ºÍ ob_flush() ......
<?php
define('SMARTY_TMP_DIR','C:/php5/Smarty-2.6.13/');
define('SMARTY_DIR','C:/php5/Smarty-2.6.13/libs/'); //SMARTY_DIR ->smarty keyword,must be defined as libs dectory
require_once(SMARTY_DIR.'Smarty.class.php');
//½¨Á¢Ò»¸ösmarty¶ÔÏó
$smarty = new Smarty;
$smarty->template_dir = ......
¼ò½é
¡¡¡¡PHPÊÇÒ»ÖÖÒ×ÓÚѧϰºÍʹÓõķþÎñÆ÷¶Ë½Å±¾ÓïÑÔ¡£Ö»ÐèÒªºÜÉٵıà³Ì֪ʶÄã¾ÍÄÜʹÓÃPHP½¨Á¢Ò»¸öÕæÕý½»»¥µÄWEBÕ¾µã¡£±¾½Ì³Ì²¢²»ÏëÈÃÄãÍêÈ«Á˽âÕâÖÖÓïÑÔ£¬Ö»ÊÇÄÜʹÄ㾡¿ì¼ÓÈ뿪·¢¶¯Ì¬webÕ¾µãµÄÐÐÁС£ÎÒ¼Ù¶¨ÄãÓÐһЩHTML£¨»òÕßHTML±à¼Æ÷£©µÄ»ù±¾ÖªÊ¶ºÍһЩ±à³Ì˼Ïë¡£
1.¼ò½é
¡¡¡¡PHPÊÇÄÜÈÃÄãÉú³É¶¯Ì¬ÍøÒ³µÄ¹¤ ......