4+ PHP Calendar Programs

This post contains a total of 4+ PHP Calendar Program Examples with Source Code. All these Calendar Programs are made using PHP.

You can use the source code of these examples with credits to the original owner.

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PHP Calendar Programs

1. Basic PHP Calendar

Made by Bruno FΓ©lix. Source

Basic PHP Calendar
<?php
    function line($week) {
        $line = '<tr>';
        for ($i = 0; $i <= 6; $i++) {
            if (array_key_exists($i, $week)) {
                $line .= "<td>{$week[$i]}</td>";
            } else {
                $line .= "<td></td>";
            }
        }
        $line .= "</tr>";
        
        return $line;
    }
    
    function calendar() {
        $calendar = '';
        $day = 1;
        $week = [];
        
        while ($day <= 31) {
            array_push($week, $day);
            
            if (count($week) == 7) {
                $calendar .= line($week);
                $week = [];
            }
            $day++;
        }
        $calendar .= line($week);
        
        return $calendar;
    }
?>
<h2>Basic Calendar</h2>
<table border="1">
    <tr>
        <th>S</th>
        <th>M</th>
        <th>T</th>
        <th>W</th>
        <th>T</th>
        <th>F</th>
        <th>S</th>
    </tr>
    <?php echo calendar(); ?>
</table>

2. Calendar with Styling

Made by Koel Sen. Source

Calendar with Styling
<style>
    calendar { border-left:10px solid lightblue; width:100%;height:50%;}
    * html .day, * html .day-np { height:180px;}
    .day:hover { background:green; }
    .day-np { background:orange; min-height:180px; } 
    .day-head { background:red; color:yellow; font-weight:bold; text-align:center; padding:5px; width:280px; border-top:31px solid violet; border-right:1px solid violet;}
    .day-num { background:salmon; padding:5px; color:blue; font-weight:bold; float:right; margin:-5px -5px 0 0; width:20px; text-align:center; }
    .day, .day-np { padding:5px; border-bottom:1px solid black; width:80px;  border-right:1px solid black; }
    .day { color:blue; font-weight:bold; }
</style>
<?php
function draw_calendar($month, $year) {

    $cal = '<table cellpadding="0" cellspacing="0" class="calendar" width="100%"height="100%" border color="red">';
    $headings = array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
    $cal .= '<tr class="row">
             <td class="day-head">'
             .implode('</td><td class="day-head">',$headings).'
             </td></tr>';

    $running_day = date('w',mktime(0,0,0,$month,1,$year));
    $days_in_month = date('t',mktime(0,0,0,$month,1,$year));
    $days_in_this_week = 1;
    $day_counter = 0;
    $dates_array = array();
    
    $cal .= '<tr class="row">';

    for($x = 0; $x < $running_day; $x++) {
        $cal .= '<td class="day-np"> </td>';
        $days_in_this_week++;
    }

    for($list_day = 1; $list_day <= $days_in_month; $list_day++) {
        $cal .= '<td class="day" align="center">';
        $cal .= $list_day;
        $cal .= str_repeat('<p> </p>', 2);
        $cal.= '</td>';
        if($running_day == 6) {
            $cal .= '</tr>';
            if(($day_counter+1) != $days_in_month) {
                $cal .= '<tr class="row">';
            }
            $running_day = -1;
            $days_in_this_week = 0;
        }
        $days_in_this_week++; 
        $running_day++; 
        $day_counter++;
    };

    if($days_in_this_week < 8) {
        for($x = 1; $x <= (8 - $days_in_this_week); $x++) {
            $cal .= '<td class="day-np"> </td>';
        }
    }
    $cal .= '</tr>';
    $cal .= '</table>';
    
    return $cal;
}

//Draw calendar for the current month/year
echo draw_calendar(date("m"), date("Y"));

?>

3. Working PHP Calendar

Made by Alena Yakutova. Source

Working PHP Calendar
<!DOCTYPE html>
    <html>
        <head>
            <title>
            </title>
        </head>
    <body>
    <?php
    $mouth = date('n');
    
    $mouths = ['Π―Π½Π²Π°Ρ€ΡŒ','Π€Π΅Π²Ρ€Π°Π»ΡŒ','ΠœΠ°Ρ€Ρ‚','ΠΠΏΡ€Π΅Π»ΡŒ','Май','Июнь','Июль','Август','Π‘Π΅Π½Ρ‚ΡΠ±Ρ€ΡŒ','ΠžΠΊΡ‚ΡΠ±Ρ€ΡŒ','ΠΠΎΡΠ±Ρ€ΡŒ','Π”Π΅ΠΊΠ°Π±Ρ€ΡŒ'];
    if ($i = $mouth -1){
        echo $mouths[$i];
    }
     ?>, 
     <?php 
     $year = date('Y');
     echo $year;
     ?> Π³ΠΎΠ΄
     
     <br>
     
<?php
function draw_calendar($mouth,$year,$action = 'none'){

//display the header of the calendar
   $calendar = "<table border = '1'>"; $names_day=['Пн','Π’Ρ‚','Π‘Ρ€','Π§Ρ‚','ΠŸΡ‚','Π‘Π±','Вс'];
    for($day = 0; $day < count($names_day); $day++){
    
    //select the weekend
    if (($day == 5) || ($day == 6)){
        $calendar .= "<th style = 'background-color:red'>" .$names_day[$day]."</th>";
    }else{
    
    //we deduce other days
    $calendar .= "<th>" .$names_day[$day]."</th>";   
      }
  }
  // today
  $now_day = date ('j'); 
  
 //determine the beginning of the week
  $running_day = date ('w',mktime(0,0,0,$mouth,1,$year));
  
  //ordinal number of the day of the week
  $running_day = $running_day - 1;
  if ($running_day == -1){
      $running_day = 6;
  }
  
  
  $days_in_mouth = date('t',mktime(0,0,0,$mouth,1,$year));
  $day_counter = 0;
  $days_in_this_week = 1;
  $dates_array = array();
  
  //output empty cells and start a new line
  $calendar .= "<tr>";
  
  for ($i = 0; $i < $running_day; $i++){
      $calendar .= "<td> </td>";
      $days_in_this_week++;
  }
 
  //output number
  for ($list_day = 1; $list_day <= $days_in_mouth; $list_day++){
      
      //select the weekend
      if($running_day != 0 && (($running_day % 5 == 0) || ($running_day % 6 == 0))){
        
        $calendar .= "<td style = 'color:red'>" . $list_day . "</td>";
      } elseif ($now_day == $list_day){
      
      
          //highlight today
          $calendar .= "<td style = 'background-color:gray'>" . $list_day . "</td>";
      } else {
          
          //other days
      $calendar .= "<td>" . $list_day . "</td>";
      }
      
      if ($running_day == 6){
          $calendar .= "</tr>";
          
          //if the day is not the last, start a new line
          
          if(($day_counter +1) != $days_in_mouth){
              $calendar  .= "<tr>";
          }
          
          // reset the counters
          $running_day = -1;
          $days_in_this_week = 0;
      }
      $days_in_this_week++;
      $running_day++;
      $day_counter++;
  }
        
        //output empty cells at the end of the last week
       if($days_in_this_week < 8) {
           for ($x = 1; $x <= (8 - $days_in_this_week); $x++){
               $calendar .= "<td> </td>";
           }
       }
    $calendar .= "</tr>";
    
    $calendar .= "</table>";
    
    return $calendar;
}
?>

<?php 
    $year = date('Y');
    $mouth = date ('n');
    
    echo draw_calendar($mouth,$year);
?>
    </body>
</html>

4. Simple Calendar

Made by abdimahad Abdullahi. Source

Simple Calendar
<?php
function draw_calendar($month, $year) {

    $cal = '<table cellpadding="0" cellspacing="0" class="calendar" width="100%">';
    $headings = array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
    $cal .= '<tr class="row">
             <td class="day-head">'
             .implode('</td><td class="day-head">',$headings).'
             </td></tr>';

    $running_day = date('w',mktime(0,0,0,$month,1,$year));
    $days_in_month = date('t',mktime(0,0,0,$month,1,$year));
    $days_in_this_week = 1;
    $day_counter = 0;
    $dates_array = array();
    
    $cal .= '<tr class="row">';

    for($x = 0; $x < $running_day; $x++) {
        $cal .= '<td class="day-np"> </td>';
        $days_in_this_week++;
    }

    for($list_day = 1; $list_day <= $days_in_month; $list_day++) {
        $cal .= '<td class="day" align="center">';
        $cal .= $list_day;
        $cal .= str_repeat('<p> </p>', 2);
        $cal.= '</td>';
        if($running_day == 6) {
            $cal .= '</tr>';
            if(($day_counter+1) != $days_in_month) {
                $cal .= '<tr class="row">';
            }
            $running_day = -1;
            $days_in_this_week = 0;
        }
        $days_in_this_week++; 
        $running_day++; 
        $day_counter++;
    };

    if($days_in_this_week < 8) {
        for($x = 1; $x <= (8 - $days_in_this_week); $x++) {
            $cal .= '<td class="day-np"> </td>';
        }
    }
    $cal .= '</tr>';
    $cal .= '</table>';
    
    return $cal;
}

//Draw calendar for the current month/year
echo draw_calendar(date("m"), date("Y"));

?>

5. PHP Dropdown Calendar

Made by Leah. Source

PHP Dropdown Calendar
<?php

# 3 drop down menus for html
# days, months, years

$months = [1 => 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ];

$days = range(1, 31);

$years = range(2017, 2027);

# days
	echo "<select name=\"days\">\n";

	foreach ($days as $value) {
		echo "<option value=\"$value\">$value</option>\n";
	}

	echo "</select>\n";

# months
	echo "<select name=\"month\">\n";
	
	foreach ($months as $k => $v) {
		echo "<option value=\"$k\">$v</option>\n";
	}

	echo "</select>\n";

#years
	echo "<select name=\"years\">\n";

	foreach ($years as $value) {
		echo "<option value=\"$value\">$value</option>\n";
	}

	echo "</select>\n";

?>