Skip to content

Instantly share code, notes, and snippets.

@king724

king724/gist:1964564

Created March 3, 2012 05:33
Show Gist options
  • Save king724/1964564 to your computer and use it in GitHub Desktop.
Save king724/1964564 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. king724 revised this gist Mar 5, 2012. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion gistfile1.aw
    View file
    Original file line number Diff line number Diff line change
    @@ -31,7 +31,7 @@ function find_recurring_dates($start_date, $end_date, $repeat_days){

    /**
    Input:
    $start_date = '2012-03-03';
    $start_date = '2012-03-02';
    $end_date = '2012-03-31';
    $repeat_days = array(1,3,5); // Mon/Wed/Fri
  2. king724 revised this gist Mar 3, 2012. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions gistfile1.aw
    View file
    Original file line number Diff line number Diff line change
    @@ -31,8 +31,8 @@ function find_recurring_dates($start_date, $end_date, $repeat_days){

    /**
    Input:
    $start_date = '2012-03-03';
    $end_date = '2012-03-31';
    $start_date = '2012-03-03';
    $end_date = '2012-03-31';
    $repeat_days = array(1,3,5); // Mon/Wed/Fri
    Output:
  3. king724 created this gist Mar 3, 2012.
    57 changes: 57 additions & 0 deletions gistfile1.aw
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,57 @@
    <?php

    /**
    * Find dates of repeating events between two dates
    */
    function find_recurring_dates($start_date, $end_date, $repeat_days){
    $start = new DateTime($start_date);
    $end = new DateTime($end_date);

    // Find the number of days inbetween
    $interval = $start->diff($end);
    $num_days = $interval->days;

    $return = array();
    // Loop through all days in between start and end dates (inclusive)
    for ($i = 0; $i <= $num_days; $i++) {
    // Get date from start date plus loop increment
    $incremented_date = strtotime('+' . $i . 'days', strtotime($start_date));

    // Numeric representation of the day of the week -- 0 (for Sunday) through 6 (for Saturday)
    $date = date('w', $incremented_date);

    // Check to see if its in the repeat days array
    if (in_array($date, $repeat_days)) {
    $return[] = date('Y-m-d', $incremented_date);
    }
    }

    return $return;
    }

    /**
    Input:
    $start_date = '2012-03-03';
    $end_date = '2012-03-31';
    $repeat_days = array(1,3,5); // Mon/Wed/Fri
    Output:
    Array
    (
    [0] => 2012-03-02
    [1] => 2012-03-05
    [2] => 2012-03-07
    [3] => 2012-03-09
    [4] => 2012-03-12
    [5] => 2012-03-14
    [6] => 2012-03-16
    [7] => 2012-03-19
    [8] => 2012-03-21
    [9] => 2012-03-23
    [10] => 2012-03-26
    [11] => 2012-03-28
    [12] => 2012-03-30
    )
    */

    ?>