phpengine/engine/lib/core.function.php
2014-03-26 14:18:20 +08:00

140 lines
4.0 KiB
PHP
Executable File

<?php
/*文件扩展名说明
*7173 gif *255216 jpg *13780 png *6677 bmp *239187 txt,aspx,asp,sql *208207 xls.doc.ppt *6063 xml *6033 htm,html *4742 js
*8075 xlsx,zip,pptx,mmap,zip *8297 rar *01 accdb,mdb *7790 exe,dll *5666 psd *255254 rdp *10056 bt种子 *64101 bat
*/
function getFileType( $file ){
$fp = fopen($file, "rb");
$bin = fread($fp, 2); //只读2字节
fclose($fp);
$str_info = @unpack("C2chars", $bin);
$type_code = intval($str_info['chars1'].$str_info['chars2']);
$file_type = '';
switch ($type_code) {
case 239187:
$file_type = 'txt';
break;
case 7784:
$file_type = 'midi';
break;
case 8075:
$file_type = 'zip';
break;
case 8297:
$file_type = 'rar';
break;
case 255216:
$file_type = 'jpg';
break;
case 7173:
$file_type = 'gif';
break;
case 6677:
$file_type = 'bmp';
break;
case 13780:
$file_type = 'png';
break;
default:
$file_type = 'unknown';
break;
}
return $file_type;
}
function isAjax(){
if( isset( $GLOBALS['__isAjax'] ) ){
return $GLOBALS['__isAjax'];
}
$headers = apache_request_headers();
$GLOBALS['__isAjax'] = (isset( $headers['X-Requested-With'] ) && ( $headers['X-Requested-With'] == 'XMLHttpRequest' )) || (isset( $headers['x-requested-with'] ) && ($headers['x-requested-with'] == 'XMLHttpRequest' ));
return $GLOBALS['__isAjax'];
}
function c( $name ){
if( !isset( $GLOBALS['__config'] ) ){
$__config = NULL;
include( ENGINE.'config/core.config.php' );
include( ROOT.'config/app.config.php' );
$GLOBALS['__config'] = $__config;
}
if( isset( $GLOBALS['__config'][$name] ) ){
return $GLOBALS['__config'][$name];
}
else{
return false;
}
}
function db(){
if( !$GLOBALS['__db'] ){
$GLOBALS['__db'] = new Db();
}
return $GLOBALS['__db'];
}
function get_ip() {
if (isSet($_SERVER)) {
if (isSet($_SERVER["HTTP_X_FORWARDED_FOR"])) {
$realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
} elseif (isSet($_SERVER["HTTP_CLIENT_IP"])) {
$realip = $_SERVER["HTTP_CLIENT_IP"];
} else {
$realip = $_SERVER["REMOTE_ADDR"];
}
} else {
if ( getenv( 'HTTP_X_FORWARDED_FOR' ) ) {
$realip = getenv( 'HTTP_X_FORWARDED_FOR' );
} elseif ( getenv( 'HTTP_CLIENT_IP' ) ) {
$realip = getenv( 'HTTP_CLIENT_IP' );
} else {
$realip = getenv( 'REMOTE_ADDR' );
}
}
return current( explode(',' , $realip ) );
}
function v( $str ){
return getDataFromArray( $str , $_REQUEST );
}
function p( $str ){
return getDataFromArray( $str , $_POST );
}
function getDataFromArray( $array , $data ){
if( is_array( $array ) ){
$return = array();
foreach( $array as $v ){
if( isset( $data[$v] ) && $data[$v] !== '' ){
$return[trim($v)] = $data[$v];
}
}
return $return;
}
return isset( $data[$array] )?$data[$array]:false;
}
function render( $data , $__showPage = NULL , $layout = NULL , $layoutTpl = true ){
$__showPage = strtolower( $__showPage);
if( $layout == NULL ){
$layout = 'default';
}
if( isAjax() ){
$requiteFile = ROOT.'themes/'.$layout.'/ajax/'.$__showPage.'.tpl.html';
}else{
$requiteFile = ROOT.'themes/'.$layout.'/'.($layoutTpl?'layout':$__showPage).'.tpl.html';
}
if( !is_file( $requiteFile ) ){
die('can\'t load themes '.$__showPage.' files ');
}
@extract( $data );
require( $requiteFile );
}
if(!function_exists('apache_request_headers')) {
function apache_request_headers(){
foreach($_SERVER as $key=>$value){
if (substr($key,0,5)=="HTTP_") {
$key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5)))));
$out[$key]=$value;
}
}
return $out;
}
}
function safeUrlString( $str ){
$str = urldecode($str);
return str_replace( array( '.' , '/' ) , array() , $str );
}