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PHP UTF-8 Unicode Convertor - FULL

<?php
echo <<<A
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>UTF-8 &lt;===&gt; Unicode Convertor</title>
<meta name="keywords" content="UTF-8 to Unicode Convertor, Unicode to UTF-8 Convertor, HTML to Entities Value, String to Unicode, UTF-8 6 bit Support" />
<meta name="description" content="UTF-8 to Unicode Convertor, Unicode to UTF-8 Convertor, HTML to Entities Value, String to Un?>

PHP Secure Login

This script designed to secure your pages. session is used for security check with new checkbox technology!. It have configuration variables helps you to specialize it with your needs.

<?php
//....
/********************************************************************************
    Configuration
    **************************************************************************/
    $key1 = 'admin';
    $key2 = 'dailyreport';
    $admin_email = 'akam@localhost.com';

    $salt = 'qwsdfvbnm,!@#$%^&*(ZXCVBNM<]][poi\=-0987634rtghbnWDFVBNM7410963-+-*/';
    
    $checkboxes1 = array(1 => 'YES',     //YES or NO
                            2 => 'NO',     //YES: means that the checkbox should be selected during login
                            3 => 'NO',    //NO: means that the checkbox should not be selected during login
                            4 => 'NO',    //for example: if in there the 4 => 'NO'  menas that in the login page the
                                            //4th checkbox should not be selected. measured from right to left 
                            5 => 'NO',    //NOTE: The checkbox measured from right to left in the login page!
                            6 => 'NO',
                            7 => 'NO',
                            8 => 'NO',
                            9 => 'YES'
                            );

    
    $login_time = 600;         //300 seconds (i.e 5 minutes), you can type 5*60!
                                //0 disable
    
    $timeout_time = 120;      //after 2 minutes of inactivity, session will be expire!
                                //0 disable
    
    
    $notify_admin = 'NO';        //after 3 invlid login, admin will be notified by email
                                //'NO' disable
                                
    $invalid_login = 3;         //
    
    $hour_diff = "-1";     //adjust it by + or - Number! (diffrent between your local and server time)
    
    $login_log = 'YES';    //Log admin: log ip, date, ...! 
                                //'NO' disable
    
    $logfile_dir = '';        //path to dir! (linux: /home/www/user/logdir/....) (Win: d:\\www\\username\\logdir\\)    
    $logfile_name = $logfile_dir.'a1q23opkio78952109kdAHA78aHASFshjka.txt';
//...
?>

Variable Scope in PHP

Many Times Globality of variables will be the small issue, after long time I decided to use super globals. Super globals exists any where: $_SERVER, $_GET, $_POST ..... Now for example:

<?php
$foo[] = range(0, 3);
$_POST['foo'] = $foo;
a(); //no parameters needed.
b();
$foo = $_POST['foo'];

Print_r($foo);
/* out

Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 1
            [2] => 2
            [3] => 3
        )

    [1] => Array
        (
            [0] => 4
            [1] => 5
            [2] => 6
            [3] => 7
       ?>

PHP MySQL Filter with preg_replace

<?php                   
$converted    =
array(
//3 of special chars

'/(;)/ie',
'/(#)/ie',
'/(&)/ie',

//MySQL reserved words!
//Check mysql website!
'/(ACTION)/ie', '/(ADD)/ie', '/(ALL)/ie', '/(ALTER)/ie', '/(ANALYZE)/ie', '/(AND)/ie', '/(AS)/ie', '/(ASC)/ie',

//remaining of special chars
'/(<)/ie', '/(>)/ie', '/(\.)/ie', '/(,)/ie', '/(\?)/ie', '/(`)/ie', '/(!)/ie', '/(@)/ie', '/(\$)/ie', '/(%)/ie', '/(\^)/ie', '/(\*)/ie', '/(\()/ie', '/(\))/ie', '/(_)/ie', '/(-)/ie', '/(\+)/ie',
'/(=)/ie', '/(\/)/ie', '/(\|)/ie', '/(\\\)/ie', "/(')/ie", '/(")/ie', '/(:)/'
);

$input_text ?>

PHP UTF-8 Unicode

<?php
// Author akam at akameng dot com
// Support 6 bit
function UTF_to_Unicode($input, $array=False) {

 $bit1  = pow(64, 0);
 $bit2  = pow(64, 1);
 $bit3  = pow(64, 2);
 $bit4  = pow(64, 3);
 $bit5  = pow(64, 4);
 $bit6  = pow(64, 5);
 
 $value = '';
 $val   = array();
 
 for($i=0; $i< strlen( $input ); $i++){
 
     $ints = ord ( $input[$i] );
    
     $z     = ord ( $input[$i] );
     $y     = ord ( $input[$i+1] ) - 128;
     $x     = ord ( $input[$i+2] ) - 128;
     $w     = ord ( $input[$i+3] ) - 128;
     $v     = ord ( $input[$i+4] ) - 128;
     $u     = ord (?>

PHP Mail

<?php
$to      = $_POST['to'];
$email   = $_POST['email'];
$name    = $_POST['name'];
$subject = $_POST['subject'];
$comment = $_POST['message'];

$To          = strip_tags($to);
$TextMessage =strip_tags(nl2br($comment),"<br>");
$HTMLMessage =nl2br($comment);
$FromName    =strip_tags($name);
$FromEmail   =strip_tags($email);
$Subject     =strip_tags($subject);?>

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