How to Adjust Time Formats in PHP Using strtotime() and date()?

Adjusting Time Formatted as H:i by 30 Minutes in PHP

You mentioned encountering difficulties in adjusting time values formatted as H:i in PHP. Specifically, your attempt to create $startTime and $endTime, offsetting $time by 30 minutes in each direction, was unsuccessful.

To resolve this issue, we'll employ a different approach using strtotime() and date(). Below is the corrected code:

<code class="php">$time = strtotime('10:00'); // Convert the time string to a Unix timestamp
$startTime = date("H:i", strtotime('-30 minutes', $time)); // Subtract 30 minutes from the timestamp
$endTime = date("H:i", strtotime('+30 minutes', $time)); // Add 30 minutes to the timestamp</code>

Now, using this code, when you pass '10:00' as $time, you will correctly obtain:

$startTime = 09:30
$endTime = 11:30

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