我使用WampServer版本2.2 php5.3.13使用Windows 7
我把我的项目放在www
并在执行我的项目期间显示此错误
Fatal error: Call to undefined function http_build_url() in C:\wamp\www
在我的项目的源代码中，我使用这种语法
$url = http_build_url($url);
我想我需要配置wamp
php_http.dll文件。php_http（或任何其他包含的.ini-s）中是否启用了php.ini扩展名php.ini以启用扩展。这有效
if(!function_exists('http_build_url'))
{
// Define constants
define('HTTP_URL_REPLACE', 0x0001); // Replace every part of the first URL when there's one of the second URL
define('HTTP_URL_JOIN_PATH', 0x0002); // Join relative paths
define('HTTP_URL_JOIN_QUERY', 0x0004); // Join query strings
define('HTTP_URL_STRIP_USER', 0x0008); // Strip any user authentication information
define('HTTP_URL_STRIP_PASS', 0x0010); // Strip any password authentication information
define('HTTP_URL_STRIP_PORT', 0x0020); // Strip explicit port numbers
define('HTTP_URL_STRIP_PATH', 0x0040); // Strip complete path
define('HTTP_URL_STRIP_QUERY', 0x0080); // Strip query string
define('HTTP_URL_STRIP_FRAGMENT', 0x0100); // Strip any fragments (#identifier)
// Combination constants
define('HTTP_URL_STRIP_AUTH', HTTP_URL_STRIP_USER | HTTP_URL_STRIP_PASS);
define('HTTP_URL_STRIP_ALL', HTTP_URL_STRIP_AUTH | HTTP_URL_STRIP_PORT | HTTP_URL_STRIP_QUERY | HTTP_URL_STRIP_FRAGMENT);
/**
* HTTP Build URL
* Combines arrays in the form of parse_url() into a new string based on specific options
* @name http_build_url
* @param string|array $url The existing URL as a string or result from parse_url
* @param string|array $parts Same as $url
* @param int $flags URLs are combined based on these
* @param array &$new_url If set, filled with array version of new url
* @return string
*/
function http_build_url(/*string|array*/ $url, /*string|array*/ $parts = array(), /*int*/ $flags = HTTP_URL_REPLACE, /*array*/ &$new_url = false)
{
// If the $url is a string
if(is_string($url))
{
$url = parse_url($url);
}
// If the $parts is a string
if(is_string($parts))
{
$parts = parse_url($parts);
}
// Scheme and Host are always replaced
if(isset($parts['scheme'])) $url['scheme'] = $parts['scheme'];
if(isset($parts['host'])) $url['host'] = $parts['host'];
// (If applicable) Replace the original URL with it's new parts
if(HTTP_URL_REPLACE & $flags)
{
// Go through each possible key
foreach(array('user','pass','port','path','query','fragment') as $key)
{
// If it's set in $parts, replace it in $url
if(isset($parts[$key])) $url[$key] = $parts[$key];
}
}
else
{
// Join the original URL path with the new path
if(isset($parts['path']) && (HTTP_URL_JOIN_PATH & $flags))
{
if(isset($url['path']) && $url['path'] != '')
{
// If the URL doesn't start with a slash, we need to merge
if($url['path'][0] != '/')
{
// If the path ends with a slash, store as is
if('/' == $parts['path'][strlen($parts['path'])-1])
{
$sBasePath = $parts['path'];
}
// Else trim off the file
else
{
// Get just the base directory
$sBasePath = dirname($parts['path']);
}
// If it's empty
if('' == $sBasePath) $sBasePath = '/';
// Add the two together
$url['path'] = $sBasePath . $url['path'];
// Free memory
unset($sBasePath);
}
if(false !== strpos($url['path'], './'))
{
// Remove any '../' and their directories
while(preg_match('/\w+\/\.\.\//', $url['path'])){
$url['path'] = preg_replace('/\w+\/\.\.\//', '', $url['path']);
}
// Remove any './'
$url['path'] = str_replace('./', '', $url['path']);
}
}
else
{
$url['path'] = $parts['path'];
}
}
// Join the original query string with the new query string
if(isset($parts['query']) && (HTTP_URL_JOIN_QUERY & $flags))
{
if (isset($url['query'])) $url['query'] .= '&' . $parts['query'];
else $url['query'] = $parts['query'];
}
}
// Strips all the applicable sections of the URL
if(HTTP_URL_STRIP_USER & $flags) unset($url['user']);
if(HTTP_URL_STRIP_PASS & $flags) unset($url['pass']);
if(HTTP_URL_STRIP_PORT & $flags) unset($url['port']);
if(HTTP_URL_STRIP_PATH & $flags) unset($url['path']);
if(HTTP_URL_STRIP_QUERY & $flags) unset($url['query']);
if(HTTP_URL_STRIP_FRAGMENT & $flags) unset($url['fragment']);
// Store the new associative array in $new_url
$new_url = $url;
// Combine the new elements into a string and return it
return
((isset($url['scheme'])) ? $url['scheme'] . '://' : '')
.((isset($url['user'])) ? $url['user'] . ((isset($url['pass'])) ? ':' . $url['pass'] : '') .'@' : '')
.((isset($url['host'])) ? $url['host'] : '')
.((isset($url['port'])) ? ':' . $url['port'] : '')
.((isset($url['path'])) ? $url['path'] : '')
.((isset($url['query'])) ? '?' . $url['query'] : '')
.((isset($url['fragment'])) ? '#' . $url['fragment'] : '')
;
}
}