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help with arrays

dadamssg87

By dadamssg87
in PHP Coding Help

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dadamssg87 Advanced Member

dadamssg87

Posted
Posted

I have an array of dates and then i have an array for rates/prices for the days of the week. For example

<?php
$rate = array();
$rate['monday'] = 91.11;
$rate['tuesday'] = 92.22;
$rate['wednesday'] = 93.33;
$rate['thursday'] = 94.44;
$rate['friday'] = 105.55;
$rate['saturday'] = 106.66;
$rate['sunday'] = 90.00;

$dateMonthYearArr = array();
       $datemonthYearArr['0'] = "2011-05-06";
       $datemonthYearArr['1'] = "2011-05-07";  
       $datemonthYearArr['2'] = "2011-05-08";
       $datemonthYearArr['3'] = "2011-05-09";
       $datemonthYearArr['4'] = "2011-05-10";
       $datemonthYearArr['5'] = "2011-05-11";
       $datemonthYearArr['6'] = "2011-05-12";
?>

 

I have written this to sort through the $dateMonthYearArr to determine the dates day of the week

<?php
foreach ($dateMonthYearArr as $date) {
        $sum = 0;
$day = strtotime($date);
        $day_name = date("l", $day);
echo $day_name."<br>";
}

 

Now i'm trying to figure out how to work in the day rate array. I'd like to match up the $day_name of $dateMonthYearArr to the key of the rate array, grab that value and then add it to $sum.

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dadamssg87 Advanced Member

dadamssg87

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  • Author
Posted

yes, it has to be in an array. Different price sets are stored in the database.  I use a function to query for a certain price set and return the values as an array. I'm using a mvc framework...thats why the syntax may look a little unfamiliar.

 

<?php

function get_rate_values($id)
   { 
$query = $this->db->query("SELECT * FROM Rates WHERE cal_id = '$id'");
$row = $query->row();
        $values['monday'] = $row->monday;
$values['tuesday'] = $row->tuesday;
$values['wednesday'] = $row->wednesday;
$values['thursday'] = $row->thursday;
$values['friday'] = $row->friday;
$values['saturday'] = $row->saturday;
$values['sunday'] = $row->sunday;
return $values;
   }

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xyph Advanced Member

xyph

Posted
Posted

Try doing something like this.

 

<?php

$rate = array();
$rate['monday'] = 91.11;
$rate['tuesday'] = 92.22;
$rate['wednesday'] = 93.33;
$rate['thursday'] = 94.44;
$rate['friday'] = 105.55;
$rate['saturday'] = 106.66;
$rate['sunday'] = 90.00;

$dateMonthYearArr = array();
       $dateMonthYearArr[] = "2011-05-06";
       $dateMonthYearArr[] = "2011-05-07";  
       $dateMonthYearArr[] = "2011-05-08";
       $dateMonthYearArr[] = "2011-05-09";
       $dateMonthYearArr[] = "2011-05-10";
       $dateMonthYearArr[] = "2011-05-11";
       $dateMonthYearArr[] = "2011-05-12";
     

$sum = 0;
foreach ($dateMonthYearArr as $date) {
$day = strtotime($date);
$day_name = strtolower( date("l", $day) );
$sum += $rate[$day_name];
// debug
echo "$date is a $day_name and {$rate[$day_name]} was added to the sum ($sum)<br />";
}

echo "Total sum: $sum";

?>

 

Edit - If you're going to ask for help PLEASE make sure we don't have to fix minor typing errors in your examples. $dateMonthYearArr != $datemonthYearArr

 

Also, you can simplify

 

$day = strtotime($date);

$day_name = strtolower( date("l", $day) );

 

To simply

 

$day_name = strtolower( date("l", strtotime($date) ) );

 

You save defining a variable, which though minuscule, saves memory. Good practice if you don't need to use the value later.

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smsmarketeers Newbie

smsmarketeers

Posted
Posted

Is this what you are looking for?

 

<?php

/*
	Written By: SMS Marketeers
	Website: http://www.smsmarketeers.com

	Using two arrays, use the name of the day to return the price for that day.

	Database Structure

	None
*/

?>

<html>
<head>
<title>Day Pricing using Arrays</title>
<style type="text/css">
	*		{ font-size:12px; font-family:Arial; margin:0px; outline:0px; padding:0px; }
	body	{ background:#ffffff; color:#000000; margin:10px 0px 0px 0px; }
	img		{ border:0px; }
	p		{ margin:5px 0px 10px 0px; }
	form	{ border:none; margin:0px; padding:0px; }

	a				{ cursor:pointer; }
	a:link			{ color:#9AB324; text-decoration:none; }
	a:visited		{ color:#9AB324; text-decoration:none; }
	a:hover 		{ color:#9AB324; text-decoration:underline; }
	a:active 		{ color:#9AB324; text-decoration:none; }

	.container		{ margin:0px auto; width:300px; }
	.success		{ background:#EEF5CD; border:1px dashed #9AB324; color:#608339; margin-bottom:5px; padding:5px 5px 5px 25px; text-align:left; }
	.warning		{ background:#eed4d2; border:1px dashed #a94637; color:#ac241a; margin-bottom:5px; padding:5px 5px 5px 25px; text-align:left; }
	.attention		{ background:#fefbcc; border:1px dashed #e6db55; color:#ada019; margin-bottom:5px; padding:5px 5px 5px 25px; text-align:left; }

	table.data th				{ background:#9AB324; border-bottom:1px solid #596E0E; color:#ffffff; font-weight:bold; padding:5px; text-align:center; }
	table.data td				{ border-bottom:1px solid #dddddd; padding:5px; }
	table.data td.rowOne		{ background:#f5f5f5; }
	table.data td.rowTwo		{ background:#eeeeee; }
	table.data td.button		{ background:#ffffff; border:none; text-align:right; }
</style>
</head>
<body>

<div class="container">
<?php

	$arrDays = array("sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday");
	$arrPrices = array("sunday" => "$1.00", "monday" => "$2.00", "tuesday" => "$3.00", "wednesday" => "$4.00", "thursday" => "$5.00", "friday" => "$6.00", "saturday" => "$7.00");

?>

<form action="" method="POST" name="form" id="form">
	<div class="attention">Using two arrays, use the name of the day to return the price for that day.</div>

	<table align="center" border="0px" cellpadding="0px" cellspacing="1px" class="data" width="300px">
		<tr>
			<th>Day of the Week</th>
			<th>Price</th>
		</tr>
		<?php

			$rowOne = 'rowOne';
			$rowTwo = 'rowTwo';
			$rowCount = 0;

		?>
		<?php foreach ($arrDays as $day) { ?>
			<?php $rowClass = ($rowCount % 2) ? $rowTwo : $rowOne; ?>
			<tr>
				<td class="<?php echo $rowClass; ?>"><?php echo ucwords($day); ?></td>
				<td class="<?php echo $rowClass; ?>"><?php echo $arrPrices[$day]; ?></td>
			</tr>
			<?php $rowCount++; ?>
		<?php } ?>
	</table>
</form>
</div>

</body>
</html>

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