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Adding CGI_MODE detection and CGI-mode SCRIPT_NAME emulation to env()

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@3451 3807eeeb-6ff5-0310-8944-8be069107fe0
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nate 2006-09-05 18:10:59 +00:00
parent 213e22b1a8
commit d232f47d72
1 changed files with 42 additions and 16 deletions
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58
cake/basics.php
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@ -790,30 +790,56 @@
return $uri;
}
/**
* Gets an environment variable from available sources.
* Used as a backup if $_SERVER/$_ENV are disabled.
* Gets an environment variable from available sources, and provides emulation
* for unsupported or inconsisten environment variables (i.e. DOCUMENT_ROOT on
* IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom
* environment information.
*
* @param string $key Environment variable name.
* @return string Environment variable setting.
*/
function env($key) {
if (isset($_SERVER[$key])) {
return $_SERVER[$key];
} elseif (isset($_ENV[$key])) {
return $_ENV[$key];
} elseif (getenv($key) !== false) {
return getenv($key);
if ($key == 'SCRIPT_NAME') {
if (env('CGI_MODE')) {
$key = 'SCRIPT_URL';
}
}
if ($key == 'DOCUMENT_ROOT') {
$offset=0;
if (!strpos(env('SCRIPT_NAME'), '.php')) {
$offset = 4;
}
return substr(env('SCRIPT_FILENAME'), 0, strlen(env('SCRIPT_FILENAME')) - (strlen(env('SCRIPT_NAME')) + $offset));
$val = null;
if (isset($_SERVER[$key])) {
$val = $_SERVER[$key];
} elseif (isset($_ENV[$key])) {
$val = $_ENV[$key];
} elseif (getenv($key) !== false) {
$val = getenv($key);
}
if ($key == 'PHP_SELF') {
return r(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
if ($key == 'REMOTE_ADDR' && $val == env('SERVER_ADDR')) {
$addr = env('HTTP_PC_REMOTE_ADDR');
if ($addr != null) {
$val = $addr;
}
}
if ($val !== null) {
return $val;
}
switch ($key) {
case 'DOCUMENT_ROOT':
$offset = 0;
if (!strpos(env('SCRIPT_NAME'), '.php')) {
$offset = 4;
}
return substr(env('SCRIPT_FILENAME'), 0, strlen(env('SCRIPT_FILENAME')) - (strlen(env('SCRIPT_NAME')) + $offset));
break;
case 'PHP_SELF':
return r(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
break;
case 'CGI_MODE':
return (substr(php_sapi_name(), 0, 3) == 'cgi');
break;
}
return null;
}