Question

Im new to php and have programmed in other languages. Im trying to solve a certain programming situation: Basically I need to access strings stored inside an object. The internal data structure of the object is an associative array. The values are the strings Im trying to access.

This is the code Im using:

<?php

class OrderAuthenticator
{
    private $OrderObj;


     public function __construct($Order)
    {
         echo 'Contructed an instance of Order Authenticator<br/>';
        $this->OrderObj = $Order;
        echo 'Instantiated OrderContainer<br/>';
    }


public function authenticate_Drinks()
    {
        //echo __LINE__ ;
//4 number or characters including spaces between them
        $pattern_drinkName = '([0-9a-zA-Z\s]{1,75})';
//100 characters with spaces allowed between them
        $pattern_drinkCalories = '([0-9]{0,3})';
//100 characters with spaces allowed between them
        $pattern_drinkCategory = '([0-9A-Za-z\s]{1,50})';
//100 characters with spaces allowed between them
        $pattern_drinkDescription = '([0-9A-Za-z\s]{0,300})';
        $pattern_drinkPrice = '([0-9.]{1,6})';
//echo __LINE__ ;
        $DrinkContainer = $this->OrderObj->getDrinkContainer();
//echo __LINE__ ;
        foreach($DrinkContainer as $Drink)
        {
            //print_r($Drink);
            echo __LINE__ ;
            echo '<br/>';

         }

}
?>

This code produces the following output:

Array ( 
    [0] => Drink Object ( 
        [dataArray:private] => Array ( 
            [drink_name] => SimpleXMLElement Object ( [0] => Gin ) 
            [drink_cals] => SimpleXMLElement Object ( ) 
            [drink_Category] => SimpleXMLElement Object ( [0] => Alocholic ) 
            [drink_desc] => SimpleXMLElement Object ( ) 
            [drink_price] => SimpleXMLElement Object ( [0] => 4.00 ) 
        ) 
    ) 
) 

Now, what I need to do is take the string values out and I need to run a regular expression check on each of those. So I need to store each of these strings in a variable in some kind of a loop.

I had this code trying to do that within the above loop but it didnt work:

$drink_name = $Drink->getName();
echo 'drink name = '.$drink_name.'<br/>';
$drink_calories = $Drink->getCalories();
echo 'drink calories = '.$drink_calories.'<br/>';
$drink_category = $Drink->getCategory();
echo 'drink category = '.$drink_category.'<br/>';
$drink_Description = $Drink->getDescription();
echo 'drink Description = '.$drink_Description.'<br/>';
$Drink_Price = $Drink->getPrice();
echo 'drink Price = '.$Drink_Price.'<br/>';

    if(!preg_match($pattern_drinkName, $drink_name))
    {
        echo __LINE__ ;
        return 'Drink name'.$drink_name .' did not match<br/>';
    }
    else if(!preg_match($pattern_drinkCalories, $drink_calories))
    {
        echo __LINE__ ;
        return 'Drink calories'.$drink_calories .' did not match<br/>';
    }
    else if(!preg_match($pattern_drinkCategory, $drink_category))
    {
        echo __LINE__ ;
        return 'Drink category'.$drink_category .' did not match<br/>';
    }
    else if(!preg_match($pattern_drinkDescription, $drink_Description))
    {
        echo __LINE__ ;
        return 'Drink Description'.$drink_Description .' did not match<br/>';
    }
    else if(!preg_match($pattern_drinkPrice, $Drink_Price))
    {
        echo __LINE__ ;
        return 'Drink Price'.$Drink_Price .' did not match<br/>';
    }
    else 
    {
        echo __LINE__ ;
        return 'Merchant Location input is valid<br/>';
    }   

Here is the Drink class :

<?php
class Drink
{

    private $dataArray;// = array();


    public function __construct()
    {
        echo 'Entered constructor for Drink.php<br/>';
        $this->dataArray = array();
    }

    public function setName($drink_Name)
    {
        echo 'Added Drink Name to DrinkObj= '.$drink_Name. '<br/>';
        $this->dataArray["drink_name"] = $drink_Name;
    }
    public function getName()
    {
        echo 'Inside Drink name<br/>';
        return $this->dataArray["drink_name"];
    }

    public function setCalories($drink_Cals)
    {
        echo 'Added Drink Calories to DrinkObj= '.$drink_Cals. '<br/>';
        $this->dataArray["drink_cals"] = $drink_Cals;
    }
    public function getCalories()
    {
        return $this->dataArray["drink_cals"];
    }

    public function setCategory($drink_Category)
    {
        echo 'Added Drink Category to DrinkObj= '.$drink_Category. '<br/>';
        $this->dataArray["drink_Category"] = $drink_Category;
    }
    public function getCategory()
    {
        return $this->dataArray["drink_Category"];
    }

    public function setDescription($drink_Desc)
    {
        echo 'Added Drink Description to DrinkObj= '.$drink_Desc. '<br/>';
        $this->dataArray["drink_desc"] = $drink_Desc;
    }
    public function getDescription()
    {
        return $this->dataArray["drink_desc"];
    }

    public function setPrice($drink_Price)
    {
        echo 'Added Drink Price to DrinkObj= '.$drink_Price. '<br/>';
        $this->dataArray["drink_price"] = $drink_Price;
    }
    public function getPrice()
    {
        return $this->dataArray["drink_price"];
    }  
}
?>

Answer 1

$patterns = array(
    'name' => '([0-9a-zA-Z\s]{1,75})',
    'calories' => '([0-9]{0,3})',
    'category' => '([0-9A-Za-z\s]{1,50})',
    'description' => '([0-9A-Za-z\s]{0,300})',
    'price' => '([0-9.]{1,6})'
);

$DrinkContainer = $this->OrderObj->getDrinkContainer();

foreach($DrinkContainer as $Drinks)
{
    foreach($Drinks as $DrinkObject)
    {
        $properties = array(
            'name' => $DrinkObject->getName(),
            'calories' => $DrinkObject->getCalories(),
            'category' => $DrinkObject->getCategory(),
            'description' => $DrinkObject->getDescription(),
            'price' => $DrinkObject->getPrice()
        );

        foreach($properties as $propname => $propvalue)
        {
            if(!preg_match($patterns[$propname], $propvalue))
            {
                return "Drink $propname $propvalue did not match<br/>";
            }
        }
    }
}