<?php
/**
* Open / Closed script
* Try to edit only the ‘$hours’ array and the <img /> tags later on
* Editing anything else could give undesired results
*/

// These are the hours, correlating with the above days, in AM and PM format separated by ‘-’
$hours = array(‘Sunday’ => ‘Closed’,
‘Monday’ => ‘By Appointment’,
‘Tuesday’ => ’10AM-5PM’,
‘Wednesday’ => ’10AM-5PM’,
‘Thursday’ => ’10AM-5PM’,
‘Friday’ => ’10AM-6PM’,
‘Saturday’ => ’10AM-5PM’);

/**
* Do not alter any code in this function unless you know what you are doing!

*/
function isOpen($hours) {
$days = array(0 => ‘Sunday’,
1 => ‘Monday’,
2 => ‘Tuesday’,
3 => ‘Wednesday’,
4 => ‘Thursday’,
5 => ‘Friday’,
6 => ‘Saturday’);

// Determine today’s weekday
$weekday = date(‘w’);

// Make sure that there are no errors in the formatting
if (!isset($days[$weekday])) {
return false;
} else if (!isset($hours[$days[$weekday]])) {
return false;
}

// Get the current day in string format
$day = $days[$weekday];

// Determine if hours are given
if (!is_numeric($hours[$day][0])) {
return false;
}

// Get the hours
$hours = explode(‘-’, $hours[$day]);

// Again, make sure that there are no errors in the formatting
if (sizeof($hours) != 2) {
return false;
}

// Calculate the given hours
foreach ($hours as $index => $hour) {
// Check the formatting of the hours
if (!preg_match(‘~^(\d{1,2})(A|P)M$~s’, $hour, $time)) {
return false;
}

// Get the raw hour
$hour = (int)$time[1];

// Handle AM and PM times
switch ($time[2]) {
case ‘P’:
if ($hour != 12) {
$hour += 12;
}
break;
case ‘A’:
if ($hour == 12) {
$hour = 24;
}
break;
default:
return false;
}

// Ensure that the time is valid
if (($hour <= 0) || ($hour > 24)) {
return false;
} else if ($hour == 24) {
$hour = 0;
}

$hours[$index] = $hour;
}

// Determine if the business is open
$now = date(‘G’);

if (($now < $hours[0]) || ($now >= $hours[1])) {
return false;
}

return true;
}
?>

The next section goes wherever you’d like the code to appear in your website.

<?php
if (isOpen($hours)) {
// Opened image
echo ‘<img src=”images/open.gif” alt=”Open” title=”Open” />’;
} else {
// Closed image
echo ‘<img src=”images/closed.gif” alt=”Closed” title=”Closed” />’;
}
?>

Feel free to edit and use this code as you please. Download the PHP file here: PHP Hours File