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PHP Script to Generate a Calendar Grid for the month of the Current date.
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| <html> | |
| <head> | |
| <link href='https://fonts.googleapis.com/css?family=Lato' rel='stylesheet' type='text/css'> | |
| <style> | |
| body{font-family: Lato;} | |
| caption{font-size: 22pt; margin: 10px 0 20px 0; font-weight: 700;} | |
| table.calendar{width:100%; border:1px solid #000;} | |
| td.day{width: 14%; height: 140px; border: 1px solid #000; vertical-align: top;} | |
| td.day span.day-date{font-size: 14pt; font-weight: 700;} | |
| th.header{background-color: #003972; color: #fff; font-size: 14pt; padding: 5px;} | |
| .not-month{background-color: #a6c3df;} | |
| td.today {background-color:#efefef;} | |
| td.day span.today-date{font-size: 16pt;} | |
| </style> | |
| </head> | |
| </html> | |
| <?php | |
| function build_calendar($month,$year,$dateArray) { | |
| // Create array containing abbreviations of days of week. | |
| $daysOfWeek = array('Sun','Mon','Tues','Wed','Thurs','Fri','Sat'); | |
| // What is the first day of the month in question? | |
| $firstDayOfMonth = mktime(0,0,0,$month,1,$year); | |
| // How many days does this month contain? | |
| $numberDays = date('t',$firstDayOfMonth); | |
| // Retrieve some information about the first day of the | |
| // month in question. | |
| $dateComponents = getdate($firstDayOfMonth); | |
| // What is the name of the month in question? | |
| $monthName = $dateComponents['month']; | |
| // What is the index value (0-6) of the first day of the | |
| // month in question. | |
| $dayOfWeek = $dateComponents['wday']; | |
| // Create the table tag opener and day headers | |
| $calendar = "<table class='calendar'>"; | |
| $calendar .= "<caption>$monthName $year</caption>"; | |
| $calendar .= "<tr>"; | |
| // Create the calendar headers | |
| foreach($daysOfWeek as $day) { | |
| $calendar .= "<th class='header'>$day</th>"; | |
| } | |
| // Create the rest of the calendar | |
| // Initiate the day counter, starting with the 1st. | |
| $currentDay = 1; | |
| $calendar .= "</tr><tr>"; | |
| // The variable $dayOfWeek is used to | |
| // ensure that the calendar | |
| // display consists of exactly 7 columns. | |
| if ($dayOfWeek > 0) { | |
| $calendar .= "<td colspan='$dayOfWeek' class='not-month'> </td>"; | |
| } | |
| $month = str_pad($month, 2, "0", STR_PAD_LEFT); | |
| while ($currentDay <= $numberDays) { | |
| // Seventh column (Saturday) reached. Start a new row. | |
| if ($dayOfWeek == 7) { | |
| $dayOfWeek = 0; | |
| $calendar .= "</tr><tr>"; | |
| } | |
| $currentDayRel = str_pad($currentDay, 2, "0", STR_PAD_LEFT); | |
| $date = "$year-$month-$currentDayRel"; | |
| if ($date == date("Y-m-d")){ | |
| $calendar .= "<td class='day today' rel='$date'><span class='today-date'>$currentDay</span></td>"; | |
| } | |
| else{ | |
| $calendar .= "<td class='day' rel='$date'><span class='day-date'>$currentDay</span></td>"; | |
| } | |
| // Increment counters | |
| $currentDay++; | |
| $dayOfWeek++; | |
| } | |
| // Complete the row of the last week in month, if necessary | |
| if ($dayOfWeek != 7) { | |
| $remainingDays = 7 - $dayOfWeek; | |
| $calendar .= "<td colspan='$remainingDays' class='not-month'> </td>"; | |
| } | |
| $calendar .= "</tr>"; | |
| $calendar .= "</table>"; | |
| return $calendar; | |
| } | |
| function build_previousMonth($month,$year,$monthString){ | |
| $prevMonth = $month - 1; | |
| if ($prevMonth == 0) { | |
| $prevMonth = 12; | |
| } | |
| if ($prevMonth == 12){ | |
| $prevYear = $year - 1; | |
| } else { | |
| $prevYear = $year; | |
| } | |
| $dateObj = DateTime::createFromFormat('!m', $prevMonth); | |
| $monthName = $dateObj->format('F'); | |
| return "<div style='width: 33%; display:inline-block;'><a href='?m=" . $prevMonth . "&y=". $prevYear ."'><- " . $monthName . "</a></div>"; | |
| } | |
| function build_nextMonth($month,$year,$monthString){ | |
| $nextMonth = $month + 1; | |
| if ($nextMonth == 13) { | |
| $nextMonth = 1; | |
| } | |
| if ($nextMonth == 1){ | |
| $nextYear = $year + 1; | |
| } else { | |
| $nextYear = $year; | |
| } | |
| $dateObj = DateTime::createFromFormat('!m', $nextMonth); | |
| $monthName = $dateObj->format('F'); | |
| return "<div style='width: 33%; display:inline-block;'> </div><div style='width: 33%; display:inline-block; text-align:right;'><a href='?m=" . $nextMonth . "&y=". $nextYear ."'>" . $monthName . " -></a></div>"; | |
| } | |
| ?> | |
| <?php | |
| parse_str($_SERVER['QUERY_STRING']); | |
| if ($m == ""){ | |
| $dateComponents = getdate(); | |
| $month = $dateComponents['mon']; | |
| $year = $dateComponents['year']; | |
| } else { | |
| $month = $m; | |
| $year = $y; | |
| } | |
| echo build_previousMonth($month, $year, $monthString); | |
| echo build_nextMonth($month,$year,$monthString); | |
| echo build_calendar($month,$year,$dateArray); | |
| ?> |
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Friendly reminder here, monthString, dateArray $y and $m are not declared and can be removed. The program worked for me after removal without errors ocurring.