ÐÂѧPHP Çë½ÌÎÊÌâ - PHP / »ù´¡±à³Ì
PHPÖÐ ÉùÃ÷±äÁ¿µÄʱºòÒ»¸ö$¸úÁ½¸ö$µÄÇø±ð
±ÈÈç˵
$var="333"; ±íʾ±äÁ¿ÃûΪ$varµÄ±äÁ¿µÄֵΪ333
$var="myvar";$$var="333";±íʾ±äÁ¿ÃûΪ$myvarµÄ±äÁ¿µÄֵΪ333
ÕâÑù˵Çå³þÁËÂð£¿
Á½¸ö$ÓÐʲôÓÃÄØ£¿£¿
Èç¹ûÊÇÕâÑùµÄ»° Ö»ÓÃÒ»¸ö²»ÊÇÒ²ÐÐÂð
ÕâÑù²»ÊǸüÂé·³
Èç¹û±äÁ¿ÓйØÁªÕâÑù²»ÊǺܷ½±ãÂð
ÕâÒ²ÊÇÓкô¦µÄÈç¹û±äÁ¿ÊǶ¯Ì¬µÄ£¬ÕâÑù¾Í¿ÉÒÔ¶¯Ì¬µÄʹÓñäÁ¿µÄÖµ~
PHP code:
$name = 'Join';
$$name = 25;
echo $Join; // 25
Á½¸ö $$ ¾ÍÊDZäÁ¿µÄ±äÁ¿
$a='b';
$b==$$a
Ã÷°×ÁË¡£
Ïà¹ØÎÊ´ð£º
Ôڲɼ¯Ò»¸öÒ³ÃæµÄʱºòͨ³£¶¼ÊÇʹÓÃfile_get_contents($url)
²»¹ý·µ»ØµÄ½á¹ûÓÐʱºò»á²»È«
Èç¹ûÔÚhtmlÖÐʹÓà document.ready,ÔÚÒ³Ãæ×¼±¸ºÃºó£¬Ê¹ÓÃajax¶ÁÈ¡±ðÒ»²¿·ÖµÄÊý¾Ý
ÔÙͨ¹ýÐÞ¸Ähtml±êÇ©µÄÄÚÈÝ£¬¾Í²¿·ÖµÄÊý¾Ý¾ ......
Çë¸ßÊÖÃǸø½éÉܼ¸±¾ºÃÊ飡
ÊÖ²áºÜÖØÒªµÄàÞ£¡~
ÎÒ¶¼ÊÇÐÂÊÖ Ò»Æë¼ÓÓÍ
Ò»°ã¶¼ÊÇÊÖ²áµÄÀ²£¬ÔÙ¼ÓÉÏÒ»±¾ÊµÀý½²½â
php´ÓÈëÃŵ½¾«Í¨ Õâ±¾ÊéÀïÓкöà´íµÄµØ·½¡£
È¥ÂòÊ¥¾°É£¬ÄDZ¾Ê黹²»´í£¬ÁíÍâÄǸö18.8MµÄÊÖ²áÒ ......
ĿǰÔÚÎ人ÕÒ¹¤×÷
·¢Ïִ󲿷ֹ«Ë¾ÎÞÍâºõÁ½ÖÖ
Ò»ÖÖÊǸãÍâ°üµÄ ÒªÓÃzend,cakephpµÈÍâ¹ú¿ò¼Ü
»¹ÒªÊìϤÍâ¹ú¿ªÔ´ÏµÍ³
Ò»ÖÖ¹úÄÚµÄ ÎÞÍâºõ dedecms ecshop shopexÕ⼸ÖÖ¸ÄÕ¾µã ÓеĹ«Ë¾ÉõÖÁÄÃһЩ¸üСµÄϵͳ¸ ......
<?php
@session_start();
require_once './module/t_doctor.inc';
$t_doctor = new t_doctor();
if(isset($Submit)){
$sql="select * from t_doctor WHERE docname='".$usernam ......
Fatal error: Call to undefined function language_attributes() in C:\xampp\htdocs\header.php on line 2
´íÎóÖÐ˵µÄ·½·¨Ã»Óж¨Òå ÊÇʲôÔÒò£¿
php¸ßÊÖÃÇÄܰï°ïÎÒÂð£¿
ÓпÉÄÜÄãËùÓõÄÒ»¸ö·½·¨»òÕßÊôÐÔÊÇÊôÓÚ ......