php中出现：Call to undefined functi...-PHP运行出现Notice : Use of undefine...-Notice: Undefined index: page in E:\PHP\test.php on line 14的处理方法

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▪php中出现：Call to undefined function curl_init()的解决方法介绍：curl_init -- 初始化一个CURL会话，如果提示Call to undefined function curl_init，那么按如下操作即可解决。在网上下载了一个模拟登陆discuz论坛的php程序范例，试运行时出现“Call to undefined functi.........

▪PHP运行出现Notice : Use of undefined constant 的解决方法修改程序时，提示Notice : Use of undefined constant ，通过下面的方法解决了，最好是error_reporting(0);不需要更改配置。 Notice: Use of undefined constant ALL_PS - assumed 'ALL_PS' in E:\Server\vhosts\www.lvtao.net\global.ph.........

▪Notice: Undefined index: page in E:\PHP\test.php on line 14的处理方法错误如下： Notice: Undefined index: page in E:\PHP\test.php on line 14 治标不治本的就是将php.ini內的reporting部份修改，让notice不显示 error_reporting = E_ALL; display all errors, warnings and notices 修改为： error_repor.........

[1]php中出现：Call to undefined function curl_init()的解决方法

来源: 互联网发布时间: 2013-12-24

介绍：curl_init -- 初始化一个CURL会话，如果提示Call to undefined function curl_init，那么按如下操作即可解决。

在网上下载了一个模拟登陆discuz论坛的php程序范例，试运行时出现“Call to undefined function curl_init”这个错误提示，没有定义的函数，也就是php还没打开对curl_init函数的支持。

以windows下的php+apache为例。

首先，打开php.ini，找到“extension=php_curl.dll”，然后去掉前面的“;”注释，重启apache即可。

　如果还出现此类问题，先检查php.ini的extension_dir值是哪个目录，在那个目录下检查有无php_curl.dll，没有的话请下载php_curl.dll，再把php目录中的libeay32.dll和ssleay32.dll拷到c:\windows\system32里面，重启apache，OK！

在Ubuntu 下运行php，总是提示Call to undefined function curl_init()，原因没有安转：php5-curl

与curl相关的内容见：http://packages.ubuntu.com/zh-cn/intrepid/php5-curl

CURL is a library for getting files from FTP, GOPHER, HTTP server.

PHP5 is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dinamically generated pages quickly. This version of PHP5 was built with the Suhosin patch.

H1>

(PHP 4 >= 4.0.2)
curl_init -- 初始化一个CURL会话

描述　
int curl_init ([string url]) 　

curl_init()函数将初始化一个新的会话，返回一个CURL句柄供curl_setopt(), curl_exec(),和 curl_close() 函数使用。如果可选参数被提供，那么CURLOPT_URL选项将被设置成这个参数的值。你可以使用curl_setopt()函数人工设置。
例. 初始化一个新的CURL会话，且取回一个网页

代码如下:

<?php
$ch = curl_init();

curl_setopt ($ch, CURLOPT_URL, "http://www.zend.com/");
curl_setopt ($ch, CURLOPT_HEADER, 0);

curl_exec ($ch);

curl_close ($ch);
?>

参见：curl_close(), curl_setopt()

[2]PHP运行出现Notice : Use of undefined constant 的解决方法

来源: 互联网发布时间: 2013-12-24

修改程序时，提示Notice : Use of undefined constant ，通过下面的方法解决了，最好是error_reporting(0);不需要更改配置。
Notice: Use of undefined constant ALL_PS - assumed 'ALL_PS' in E:\Server\vhosts\www.lvtao.net\global.php on line 50
Notice: Undefined index: EaseTemplateVer in E:\Server\vhosts\www.lvtao.net\libs\template.core.php on line 51
Notice: Use of undefined constant uid - assumed 'uid' in E:\Server\vhosts\www.lvtao.net\global.php on line 54
Notice: Undefined index: uid in E:\Server\vhosts\www.lvtao.net\global.php on line 54
Notice: Use of undefined constant cuid - assumed 'cuid' in E:\Server\vhosts\www.lvtao.net\global.php on line 55
Notice: Undefined index: cuid in E:\Server\vhosts\www.lvtao.net\global.php on line 55
Notice: Use of undefined constant shell - assumed 'shell' in E:\Server\vhosts\www.lvtao.net\global.php on line 56
Notice: Undefined index: shell in E:\Server\vhosts\www.lvtao.net\global.php on line 56
Notice: Use of undefined constant cshell - assumed 'cshell' in E:\Server\vhosts\www.lvtao.net\global.php on line 57
Notice: Undefined index: cshell in E:\Server\vhosts\www.lvtao.net\global.php on line 57
Notice: Use of undefined constant username - assumed 'username' in E:\Server\vhosts\www.lvtao.net\global.php on line 58
Notice: Undefined index: username in E:\Server\vhosts\www.lvtao.net\global.php on line 58
Notice: Use of undefined constant cusername - assumed 'cusername' in E:\Server\vhosts\www.lvtao.net\global.php on line 59
Notice: Undefined index: cusername in E:\Server\vhosts\www.lvtao.net\global.php on line 59
Notice: Use of undefined constant id - assumed 'id' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 10
Notice: Use of undefined constant id - assumed 'id' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 14
Notice: Use of undefined constant content - assumed 'content' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 16
Notice: Use of undefined constant content - assumed 'content' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 16
Notice: Use of undefined constant description - assumed 'description' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 17
Notice: Use of undefined constant description - assumed 'description' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 17
Notice: Use of undefined constant provinceid - assumed 'provinceid' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 18
Notice: Use of undefined constant cityid - assumed 'cityid' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 19
Notice: Use of undefined constant hy - assumed 'hy' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 20
Notice: Undefined variable: content in E:\Server\vhosts\www.lvtao.net\libs\template.core.php on line 557

进入网站会出现大量类似下面的提示，但是可以正常显示和运行
Notice: Use of undefined constant ctbTitle - assumed 'ctbTitle' in d:\ctb1.5\ctb\include\config.php on line 23...

B答案：这些是 PHP 的提示而非报错，PHP 本身不需要事先声明变量即可直接使用，但是对未声明变量会有提示。一般作为正式的网站会把提示关掉的，甚至连错误信息也被关掉

关闭 PHP 提示的方法

搜索php.ini：
error_reporting = E_ALL
改为：
error_reporting = E_ALL & ~E_NOTICE
还有个不是办法的办法就是

在每个文件头上加
error_reporting(0); 虽然不好弄但是可以解决问题。这个比较好用。

[3]Notice: Undefined index: page in E:\PHP\test.php on line 14的处理方法

来源: 互联网发布时间: 2013-12-24

错误如下：
Notice: Undefined index: page in E:\PHP\test.php on line 14

治标不治本的就是将php.ini內的reporting部份修改，让notice不显示
error_reporting = E_ALL; display all errors, warnings and notices
修改为：
error_reporting = E_ERROR & ~E_NOTICE & ~E_WARNING

不然 isset()($_GET["page"])做个if-else判断。

----修正后的代码----

代码如下:

if(isset($_GET["page"]))$page=$_GET["page"];
else $page=1;