PHP（2）__error notes
时间：2007-03-03 来源：wangjinfeng
1、If you want to display user's IP address:
?php
print "Hi! Your IP address is: $_SERVER['REMOTE_ADDR']";
?>
will be error tips like this:
parse error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING.
You should delete ''change your code like this:
?php
print "Hi! Your IP address is: $_SERVER[REMOTE_ADDR]";
?>
Note: PHP的超级全局变量有：$_SERVER, $_GET, $$_POST, $_COOKIE, $_FILES, $_ENV, $_REQUEST, $_SESSION, $GLOBALS。
其中$GLOBALS是超级全局变量的超级，可以用如下代码查看$GLOBALS中的所有变量：
?php
print '';
print_r($GLOBALS);
PRINT '';
?>
?php
print "Hi! Your IP address is: $_SERVER['REMOTE_ADDR']";
?>
will be error tips like this:
parse error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING.
You should delete ''change your code like this:
?php
print "Hi! Your IP address is: $_SERVER[REMOTE_ADDR]";
?>
Note: PHP的超级全局变量有：$_SERVER, $_GET, $$_POST, $_COOKIE, $_FILES, $_ENV, $_REQUEST, $_SESSION, $GLOBALS。
其中$GLOBALS是超级全局变量的超级，可以用如下代码查看$GLOBALS中的所有变量：
?php
print '';
print_r($GLOBALS);
PRINT '';
?>
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