How to Find the First and Last Dates of a Month in PHP?

Linda Hamilton
Release: 2024-11-02 02:31:02
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How to Find the First and Last Dates of a Month in PHP?

Finding the First and Last Dates in a Month Using PHP

PHP offers a powerful function called date that allows you to retrieve and format various information from timestamps. This includes finding the first and last dates in a given month.

Finding Dates for the Current Month

To find the first and last dates of the current month, you can simply specify the "m-01-Y" and "m-t-Y" format strings, respectively. These represent the first day of the month (with a hard-coded '01') and the last day of the month (indicated by 't'). For example:

<code class="php">$first_day_this_month = date('m-01-Y'); // hard-coded '01' for first day
$last_day_this_month  = date('m-t-Y');</code>
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Finding Dates for Specific Months

To find the first and last dates for a specific month, you can specify a timestamp. This can be a string in a recognized date format or a UNIX timestamp. For example, to find the last day of April 2010:

<code class="php">$last_day_april_2010 = date('m-t-Y', strtotime('April 21, 2010'));</code>
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Understanding the Format Symbols

date() interprets specific symbols within the format string and replaces them with values from the timestamp. The symbols used for extracting month and day values are:

  • Y: 4-digit year
  • m: Numeric month with leading zero
  • t: Number of days in the month

Additional Examples

  • Find the first and last second of a month:
<code class="php">$timestamp    = strtotime('February 2012');
$first_second = date('m-01-Y 00:00:00', $timestamp);
$last_second  = date('m-t-Y 12:59:59', $timestamp);</code>
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For more detailed information on the date() function and available format symbols, refer to the official PHP manual: http://php.net/manual/en/function.date.php.

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