Calendar paging

AJM2 · February 7, 2022

I am not sure I am doing this correctly. My goal is to have a button on each side of the page with today's date in the middle as dropdown lists allowing to page through dates (see image) or pick a specific date. I have the code somewhat of working. It will page up tomorrow, next day, next day... and it goes down, yesterday, day before... when starting at today.

But once I go either up or down I can't page back in the opposite direction. The ultimate goal is to pass the "current" date into a query to get today's data as you page through. I hope I described this well enough. I don't want to use a date picker where a calendar pops up. Any pointers would be appreciated.

<html>
	<head>
		<title></title>
	</head>
	<body>
				<form action="calendar_form.php" method="post" name="f1">
				<?php 
				error_reporting(E_ALL);
				ini_set('display_errors', '1');
				// Default dates
					$beginYesterday = date('Y-m-d H:i:s',strtotime('yesterday'));
					$beginOfDay = date('Y-m-d H:i:s',strtotime('today'));
					$endOfDay = date('Y-m-d H:i:s',strtotime('tomorrow'));

					$tomorrow = date('Y-m-d H:i:s', strtotime($beginOfDay . '+1 days'));
					$f_today = date('m-d-Y', strtotime('today midnight'));
					$yesterday = date('Y-m-d H:i:s', strtotime('-1 days'));
					
				// Check the form was submitted
				if ($_SERVER['REQUEST_METHOD'] == 'POST') {
					$yesterday = $_POST['yesterday'];
					$tomorrow = $_POST['tomorrow'];
					
					if($_POST['Submit'] == 'Tomorrow'){
						
						$tomorrow = date('Y-m-d H:i:s', strtotime($tomorrow . '+1 days'));
						$today = date('m-d-Y', strtotime($_POST['tomorrow']));
						$yesterday = date('Y-m-d H:i:s', strtotime($tomorrow . '-1 days'));
						$f_today = $today;
					}
					elseif($_POST['Submit'] == 'Yesterday'){
						
						$tomorrow = date('Y-m-d H:i:s', strtotime($yesterday . '+1 days'));
						$today = date('m-d-Y', strtotime($_POST['yesterday']));
						$yesterday = date('Y-m-d H:i:s', strtotime($yesterday . '-1 days'));
						$f_today = $today;
					}
				}
					
				?>
				<table border="1" align="center" width="100%">
						<input type="hidden" name="yesterday" value=<?php echo $yesterday;?>>
						<input type="hidden" name="tomorrow" value=<?php echo $tomorrow;?>>
						<tr>
							<td align="center" width="20%"><?php echo $yesterday;?><input type="Submit" name="Submit" value="Yesterday"></td>
							<td align="center" width="60%"> <?php echo $f_today;?></td>
							<td align="center" width="20%"><input type="Submit" name="Submit" value="Tomorrow"><?php echo $tomorrow;?></td>
						</tr>
                 <?php 						
						if ($_SERVER['REQUEST_METHOD'] == 'POST') {
						
						//<!---  Form view  --->						
						echo"<tr><td>query</td></tr>";
						}
						else{
						//<!---  Default view   --->
						"<tr><td>default</td></tr>";
						}
			?>			
			
				</table>		
				</form>
				

	</body>
</html>

mac_gyver · February 7, 2022

the operation is to simply either add one day or subtract one day from the current date -

<html>
	<head>
		<title></title>
	</head>
	<body>
		<form method="post" name="f1">
		<?php
		error_reporting(E_ALL);
		ini_set('display_errors', '1');
		// Default dates
		$today = date('Y-m-d H:i:s',strtotime('today'));

		// Check the form was submitted
		if ($_SERVER['REQUEST_METHOD'] == 'POST') {
			$today = $_POST['today'];
			if($_POST['Submit'] == 'Tomorrow'){
				$today = date('Y-m-d H:i:s', strtotime($today . '+1 days'));
			}
			if($_POST['Submit'] == 'Yesterday'){
				$today = date('Y-m-d H:i:s', strtotime($today . '-1 days'));
			}
		}
		?>
		<table border="1" align="center" width="100%">
			<input type="hidden" name="today" value=<?php echo $today;?>>
			<tr>
				<td align="center" width="20%"><input type="Submit" name="Submit" value="Yesterday"></td>
				<td align="center" width="60%"> <?php echo $today;?></td>
				<td align="center" width="20%"><input type="Submit" name="Submit" value="Tomorrow"></td>
			</tr>
		 <?php
			if ($_SERVER['REQUEST_METHOD'] == 'POST') {

			//<!---  Form view  --->
			echo"<tr><td>query</td></tr>";
			}
			else{
			//<!---  Default view   --->
			"<tr><td>default</td></tr>";
			}
		?>
		</table>
		</form>
	</body>
</html>

AJM2 · February 8, 2022

I guess I was over complicating this thought process. Thank you for the assistance. Very much appreciated.

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