phpvars.php

<?php

// php to loop through all global vars, then sort them by the strlen of their json_encoded value


	$glens = array();
	foreach ( array_keys( $GLOBALS ) as $k ) {
		$glens[ mb_strlen( json_encode( $GLOBALS[ $k ], JSON_UNESCAPED_SLASHES | JSON_PARTIAL_OUTPUT_ON_ERROR | JSON_UNESCAPED_UNICODE ) ) ] = $k;
	}
	krsort( $glens );
	var_export( $glens );
	
$indicesServer = array('PHP_SELF', 
'argv', 
'argc', 
'GATEWAY_INTERFACE', 
'SERVER_ADDR', 
'SERVER_NAME', 
'SERVER_SOFTWARE', 
'SERVER_PROTOCOL', 
'REQUEST_METHOD', 
'REQUEST_TIME', 
'REQUEST_TIME_FLOAT', 
'QUERY_STRING', 
'DOCUMENT_ROOT', 
'HTTP_ACCEPT', 
'HTTP_ACCEPT_CHARSET', 
'HTTP_ACCEPT_ENCODING', 
'HTTP_ACCEPT_LANGUAGE', 
'HTTP_CONNECTION', 
'HTTP_HOST', 
'HTTP_REFERER', 
'HTTP_USER_AGENT', 
'HTTPS', 
'REMOTE_ADDR', 
'REMOTE_HOST', 
'REMOTE_PORT', 
'REMOTE_USER', 
'REDIRECT_REMOTE_USER', 
'SCRIPT_FILENAME', 
'SERVER_ADMIN', 
'SERVER_PORT', 
'SERVER_SIGNATURE', 
'PATH_TRANSLATED', 
'SCRIPT_NAME', 
'REQUEST_URI', 
'PHP_AUTH_DIGEST', 
'PHP_AUTH_USER', 
'PHP_AUTH_PW', 
'AUTH_TYPE', 
'PATH_INFO', 
'ORIG_PATH_INFO') ; 

echo '<table cellpadding="10">' ; 
foreach ($indicesServer as $arg) { 
if (isset($_SERVER[$arg])) { 
echo '<tr><td>'.$arg.'</td><td>' . $_SERVER[$arg] . '</td></tr>' ; 
} 
else { 
echo '<tr><td>'.$arg.'</td><td>-</td></tr>' ; 
} 
} 
echo '</table>' ; 

/* 

That will give you the result of each variable like (if the file is server_indices.php at the root and Apache Web directory is in E:\web) : 

PHP_SELF    /server_indices.php 
argv    - 
argc    - 
GATEWAY_INTERFACE    CGI/1.1 
SERVER_ADDR    127.0.0.1 
SERVER_NAME    localhost 
SERVER_SOFTWARE    Apache/2.2.22 (Win64) PHP/5.3.13 
SERVER_PROTOCOL    HTTP/1.1 
REQUEST_METHOD    GET 
REQUEST_TIME    1361542579 
REQUEST_TIME_FLOAT    - 
QUERY_STRING    
DOCUMENT_ROOT    E:/web/ 
HTTP_ACCEPT    text/html,application/xhtml+xml,application/xml;q=0.9,
HTTP_ACCEPT_CHARSET    ISO-8859-1,utf-8;q=0.7,*;q=0.3 
HTTP_ACCEPT_ENCODING    gzip,deflate,sdch 
HTTP_ACCEPT_LANGUAGE    fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4 
HTTP_CONNECTION    keep-alive 
HTTP_HOST    localhost 
HTTP_REFERER    http://localhost/ 
HTTP_USER_AGENT    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17 
HTTPS    - 
REMOTE_ADDR    127.0.0.1 
REMOTE_HOST    - 
REMOTE_PORT    65037 
REMOTE_USER    - 
REDIRECT_REMOTE_USER    - 
SCRIPT_FILENAME    E:/web/server_indices.php 
SERVER_ADMIN    myemail@personal.us 
SERVER_PORT    80 
SERVER_SIGNATURE    
PATH_TRANSLATED    - 
SCRIPT_NAME    /server_indices.php 
REQUEST_URI    /server_indices.php 
PHP_AUTH_DIGEST    - 
PHP_AUTH_USER    - 
PHP_AUTH_PW    - 
AUTH_TYPE    - 
PATH_INFO    - 
ORIG_PATH_INFO    - 

*/ 
?>