Place 2 you: php

Showing posts with label php. Show all posts

Tuesday, November 6, 2012

php function get age from birthday

birthday format is YYYY-MM-DD

function age($birthDay) {
    list($y, $m, $d) = explode('-', $birthDay);
    if (($m = (date('m') - $m)) < 0) {
        $y++;
    } elseif ($m == 0 && date('d') - $d < 0) {
        $y++;
    }

    return date('Y') - $y;
}

Friday, October 19, 2012

Get php info

how to get php info ?

<pre>
phpinfo();
</pre>

Get datetime with php

how to get datetime with php?

$datetime = date('Y-m-d H:i:s');

echo $datetime;

Get user IP with PHP

How to get user ip with php?

Example:
$userIp = $_SERVER['REMOTE_ADDR'];

echo $userIp;

php generate random number

How to generate randum number with php

$rand = rand(1, 1000); //generate rand number from 1 to 1000

echo $rand;

php BAN system

php BAN system

How to create easy ip ban system with PHP?

system for ban user ip

CREATE TABLE `bans` (
    `id` INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
    `ip` CHAR( 15 ) NOT NULL ,
) ENGINE = MYISAM

example template:

<div>
<form action="" method="post">
    Ban IP: <input type="text" name="ip" value="***.***.***.***" /> <br />
    <input type="submit" name="ban" value="ban this ip" />
</form>
</div>

php code:

<?php
if(isset($_POST['ban'])){
    mysql_query("
        INSERT INTO
            users (ip)
        VALUES
            ('" . $_POST['ip'] . "')
    ");
}
?>

function checkUserBan(){
    $checkUserBan_sql = "
        SELECT
            *
        FROM
            bans
    ";
    $checkUserBan_res = mysql_query($checkUserBan_sql);

    $banIp = array();
    while($checkBans = mysql_fetch_array($checkUserBan_res)){
        $banIp[] = $checkBans['ip'];
    }

    if(in_array($_SERVER['REMOTE_ADDR'], $banIp)){
        Header('Location: /bans.php');
        exit;
    }
}

paste function "checkUserBan();" at the top of every file on your site without bans.php

PHP Get image size and type - width, height, type.

Get image size and type - width, height, type.
<?php

list($width, $height, $type) = getimagesize('/path/to/your/image/image.jpg');
echo $widht . ' - ' . $height . ' - ' . $type;

?>

Php function check username

Php function check username

function checkUsername($username){
        if(preg_match("/^[a-zA-Z0-9-_]+$/", $username)) {
            if(strlen($username) >= 3){
                if(empty($result)){
                    $result = 'success';
                }
            }else{
                $result = 'invalid';
            }
        }else{
            $result = 'invalid';
        }

    return $result;
}

<?php

if(checkUsername('YourUsername') == 'success'){
    echo 'Username is correct!';
}else{
    echo 'Invalid Username';
}

?>

php register system

How to make user register system with username checker?

1. Create table with 5 rows.
example: table name = users

CREATE TABLE `users` (
    `id` INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
    `password` CHAR( 32 ) NOT NULL ,
    `username` VARCHAR( 50 ) NOT NULL ,
    `email` VARCHAR( 50 ) NOT NULL ,
    `real_name` VARCHAR( 255 ) NOT NULL
) ENGINE = MYISAM

example register.php file:
<?php
    if(isset($_POST['register'])){
        $checkUsername_sql = "
            SELECT
                username
            FROM
                users
            WHERE
                username = '" . $_POST['username'] . "'
        ";
        $checkUsername_res = mysql_query($checkUsername_sql);
        $checkUsername = mysql_fetch_array($checkUsername_res);
        $getUsername = $checkUsername['username'];
        if(!$getUsername){
            mysql_query("
                INSERT INTO
                    users (username, password, email, real_name)
                VALUES
                    ('" . $_POST['username'] . "', '" . md5($_POST['password']) . "', '" . $_POST['email'] . "', '" . $_POST['real_name'] . "')
            ");
            $result = 'Success';
        }else{
            $result = 'This username exist!';
        }
    }
?>

example register template file:

<html lang="en">
<head>
<title>Sample HTML File</title>
</head>
<body bgcolor="white">
<?
if(isset($_POST['register']) AND isset($result)){?>
    echo $result;
}
?>
<div>
<form action="" method="post">
    Username: <input type="text" name="username" /> <br />
    Password: <input type="text" name="password" /> <br />
    E-mail: <input type="text" name="email" /> <br />
    Real Name: <input type="text" name="real_name" /> <br />
    <input type="submit" name="register" value="Register" />
</form>
</div>

</body>
</html>

Read file with php

How to read file with php?

example:

Text file name - example.txt

php code:

<?php
$file = '/path/to/file/example.txt';

foreach($file AS $row){
echo $row . "\n";
}

?>

Thursday, October 11, 2012

Convert text with iconv

Convert from UTF-8 to windows-1251
example:

$text = 'Hello world';

iconv('utf8', 'windows-1251', $text);

cutting text with php

How to List A Directory Contents Using PHP (Recursive)

function listDirectory($path)
{
    $handle = @opendir($path);
    while (false !== ($file = readdir($handle))) {
        if ($file == '.' || $file == '..') continue;
        if ( is_dir("$path/$file")) {
            echo "$path/$file\n";
            listDirectory("$path/$file");
        } else {
            echo "$path/$file\n";
        }
    }
     closedir($handle);
}
listDirectory("tutorials");