<?php
function get_ip(){
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])){
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
return trim($ip);
}
?>

<?php
$ip_address = get_ip();
echo $ip_address;
?>

<?php
function rand_string($length){
$str = '';
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$size = strlen($chars);
for ($i = 0; $i < $length; $i++) {
$str .= $chars[rand(0, $size - 1)];
}
return $str;
}
?>

<?php
$string = rand_string(32);
echo $string;
?>

<?php
function filter($data){
$data = trim(htmlentities(strip_tags($data)));
if(get_magic_quotes_gpc()){
$data = stripslashes($data);
$data = mysql_real_escape_string($data);
}
return $data;
}
?>

<?php
foreach($_POST as $key => $value){
$data[$key] = filter($value);
}
$username = $data['username'];
?>

<?php
function safeOutput($arr,$index) {
if (isset ($arr[$index]) ) {
return $arr[$index];
} else {
return 'N/A';
}
}
?>

<?php
$array = array('php'=>'yes');
$tick = safeOutput($array, 'php');
$tack = safeOutput($array, 'other');

echo $tick;
echo '<br/>';
echo $tack;
?>

Returns
yes
N/A

<?php
function debug(str, isFunction) {
//----------------------------------------------
$prefix = "";
if (isFunction) {
prefix = "* ";
} else {
prefix = " - ";
}
try {
console.log(prefix + str);
} catch (e) {

}
}

debug("Document ready", true);
debug(currentPos, false);
?>

Easy way to track what's running what.
Should output functions with * and non functions with -

<?php
function isEmpty($str) {
//----------------------------------------------
if (($str === null) || ($str === undefined) || ($str === "" )) {
return true;
} else {
return false;
}
}
?>

<?php
$queryOne = "";
$queryTwo = "input";

if(!isEmpty($queryOne)){
echo "isn't empty <br/>";
} else {
echo "is empty <br/>";
}

if(!isEmpty($queryTwo)){
echo "isn't empty <br/>";
} else {
echo "is empty <br/>";
}
?>

Returns
is empty
isn't empty

<?php
function safeOutput($arr,$index) {
if (isset ($arr[$index]) ) {
return $arr[$index];
} else {
return 'N/A';
}
}
$array = array('php'=>'yes');
$tick = safeOutput($array, 'php');
$tack = safeOutput($array, 'other');

echo $tick;
echo '<br/>';
echo $tack;
?>

returns
yes
N/A

<?php
function debug(str, isFunction) {
//----------------------------------------------
$prefix = "";
if (isFunction) {
prefix = "* ";
} else {
prefix = " - ";
}
try {
console.log(prefix + str);
} catch (e) {

}
}

debug("Document ready", true);
debug(currentPos, false);
?>

<?php
function isEmpty($str) {
//----------------------------------------------
if (($str === null) || ($str === undefined) || ($str === "" )) {
return true;
} else {
return false;
}
}

$queryOne = "";
$queryTwo = "input";

if(!isEmpty($queryOne)){
echo "isn't empty <br/>";
} else {
echo "is empty <br/>";
}

if(!isEmpty($queryTwo)){
echo "isn't empty <br/>";
} else {
echo "is empty <br/>";
}
?>

returns
is empty
isn't empty

<?php
$password = "lol"; //Set to whatever you want
// If password is valid let the user get access
if (isset($_POST['edt_password']) && ($_POST['edt_password']=="$password") { ?>
<!-- HTML CODE GOES HERE -->
<?php
}
else
{
// Wrong password or password not yet entered display this message
if (isset($_POST['password']) || $password == "" {
print "<p align=\"center\"><font color=\"red\"><b>Incorrect Password</b><br>Please enter the correct password</font></p>";} ?>
<? } ?>
<form method="post"><p align="center">Please enter your password for access<br>
<input name="edt_password" type="password" size="25" maxlength="10"><input value="Login" type="submit"></p></form>

function clean($string) {
$string = @trim($string);
if(get_magic_quotes_gpc()) {
$string = stripslashes($string);
}
return mysql_real_escape_string($string);
}

<?php
function multipleExplode($delimiters = array(), $string = ''){

$mainDelim=$delimiters[count($delimiters)-1]; // dernier

array_pop($delimiters);

foreach($delimiters as $delimiter){

$string= str_replace($delimiter, $mainDelim, $string);

}

$result= explode($mainDelim, $string);
return $result;

}
?>

public function AddtoTeam($pid,$name,$team){
$p = $this->connection->get('pugs','Players','PID='.$pid);
$p = unserialize($p); //
if ($this->TeamSizeChk($p,$team) < 4 && $this->in_array_r($name,$p) == 0){ // CHECK T SIZE
array_push($p[$team],$name); // PUSH NAME INTO SPECIFIC TEAM
$s = serialize($p);
$d = array('Players' => array($s)); // BUILD SQL DATA UPDATE ARRAY
$q = $this->connection->update('pugs',$d,'PID='.$pid); // PUSH AND UPDATE DB
}
var_dump($p);
}

public function RemPlayer($pid,$name){
$p = $this->connection->get('pugs','Players','PID='.$pid);
$p = unserialize($p);
if ($this->in_array_r($name,$p) == 1){
$p = $this->remove_element_by_value($p,$name);
$s = serialize($p);
$d = array('Players' => array($s)); // BUILD SQL DATA UPDATE ARRAY
$q = $this->connection->update('pugs',$d,'PID='.$pid); // PUSH AND UPDATE DB
}
var_dump($p);
}

////////////////////////////////////////////////////
// WORKER FUNCS //
////////////////////////////////////////////////////

public function in_array_r($needle, $haystack, $strict = true) {
foreach ($haystack as $item) {
if (($strict ? $item === $needle : $item == $needle) || (is_array($item) && $this->in_array_r($needle, $item, $strict))) {
return true;
}
}

return false;
}


function remove_element_by_value($arr, $val) {
$return = array();
foreach($arr as $k => $v) {
if(is_array($v)) {
$return[$k] = $this->remove_element_by_value($v, $val); //recursion
continue;
}
if($v == $val) continue;
$return[$k] = $v;
}
return $return;
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\\