DocumentServer/OnlineEditorsExample/OnlineEditorsExamplePHP/ajax.php
2015-04-29 19:10:50 +03:00

46 lines
1.2 KiB
PHP

<?php
require( dirname(__FILE__) . '/config.php' );
//Function to check if the request is an AJAX request
function is_ajax() {
return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
}
function get_http_origin() {
$origin = '';
if ( ! empty ( $_SERVER[ 'HTTP_ORIGIN' ] ) )
$origin = $_SERVER[ 'HTTP_ORIGIN' ];
return $origin;
}
function nocache_headers() {
$headers = array(
'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
'Pragma' => 'no-cache',
);
$headers['Last-Modified'] = false;
unset( $headers['Last-Modified'] );
// In PHP 5.3+, make sure we are not sending a Last-Modified header.
if ( function_exists( 'header_remove' ) ) {
@header_remove( 'Last-Modified' );
} else {
// In PHP 5.2, send an empty Last-Modified header, but only as a
// last resort to override a header already sent. #WP23021
foreach ( headers_list() as $header ) {
if ( 0 === stripos( $header, 'Last-Modified' ) ) {
$headers['Last-Modified'] = '';
break;
}
}
}
foreach( $headers as $name => $field_value )
@header("{$name}: {$field_value}");
}
?>