<?php

	function magic_quote_alter($value,$quote='') {
		if ($quote = '"') {
			$value = str_replace('"','\"',$value);
		} elseif ($quote= "'") {
			$value = str_replace("'","\'",$value);
		}
		if (!get_magic_quotes_gpc()) {
			return addslashes($value);
		} else {
			return $value;
		}
	}
	
	function ternary($current,$item1,$item2) {
		if ($current == $item1) {
			return $item2;
		} else {
			return $item1;
		}
	}
	
	function getResultDiv($value,$type='error') {
		// Formats successful or error results whether they are in an array or a snippet.
		if ($type == 'success') {
			$class = 'success-div';
		} elseif ($type == 'test') {
			$class = 'test-div';
		} else {
			$class = 'error-div';
		}
		if (is_array($value)) {
			for ($i = 0; $value[$i] != ''; $i++) {
				$result_div .= '<li>' . $value[$i] . '</li>';
			}
			if ($result_div != '') {
				$result_div = '<div class="' . $class . '"><ul>' . $result_div . '</ul></div>';
			}
		} else {
			if ($value != '') {
				$result_div = '<div class="' . $class . '">' . $value . '</div>';
			}
		}
		return $result_div;
	}
	
	function showSelected($value,$to_match) {
		if ($value == $to_match) {
			return ' selected ';
		} else {
			return '';
		}
	}
		
	function listArray($array) {
		while ($var = each($array)) {
			printf ("Key <b>%s</b> has the value of: <b>%s</b><br>", $var['key'], $var['value']);
		}
	} 
		
	if(!function_exists('str_split')){
		function str_split($str,$length=1){
			$cnt = strlen($str);
			for ($i=0; $i<$cnt; $i+=$length) {
				$array[]= substr($str,$i,$length);
			}   
			return $array;
		 }
	}
	
	function checkValidChars($string,$valid_chars) {
		$string_array = str_split($string);
		$valid_chars_array = str_split($valid_chars);
		$i = 0;
		while ($string_array[$i] != '') {
			if (!in_array($string_array[$i],$valid_chars_array)) {
				return false;
			}
			$i++;
		}
		return true;
	}
	
		
	function removeInvalidChars($string,$valid_chars) {
		$string_array = str_split($string);
		$valid_chars_array = str_split($valid_chars);
		$i = 0;
		while ($string_array[$i] != '') {
			if (in_array($string_array[$i],$valid_chars_array)) {
				$new_string .= $string_array[$i];
			}
			$i++;
		}
		return $new_string;
	}
	
	function checkLogin($username,$password) {
		$result = mysql_query('
			SELECT *
			FROM weight_loss_tracker_users
			WHERE user_username = "' . $username . '" and
				user_password = "' . $password . '"');
		if (mysql_num_rows($result) > 0) {
			return true;
		} else {
			return false;
		}
	}
	
	function checkAdminLogin($username,$password) {
		$result = mysql_query('
			SELECT *
			FROM weight_loss_tracker_administrators
			WHERE administrators_username = "' . $username . '" and
				administrators_pass = "' . $password . '"');
		if (mysql_num_rows($result) > 0) {
			return true;
		} else {
			return false;
		}
	}
	
		
	function startOptionDiv($unique_id,$title) {
		global $weight_loss_tracker_absolute_url;
		return '<div class="option-main-div">
			<a onclick="switchImage (\'' . $weight_loss_tracker_absolute_url . '/weightlosstracker/images/white-arrow-over.gif\',\'' . $weight_loss_tracker_absolute_url . '/weightlosstracker/images/white-arrow-down.gif\',\'' . $unique_id . '_image\')" href="javascript:toggleLayer(\'manage_' . $unique_id . '\');"><img src="' . $weight_loss_tracker_absolute_url . '/weightlosstracker/images/white-arrow-over.gif" id="' . $unique_id . '_image" name="' . $unique_id . '_image" alt="Click to expand" title="Click to expand"><p>&nbsp; ' . $title . '</p></a> 
		</div>
		<div class="option-block-div" id="manage_' . $unique_id . '">
			<div class="highlighted-border">';
	}
	function endOptionDiv() {
		return '</div>
		</div>';
	}
?>