PHP gd generate calendar diagram

1<?PHP2 3 //If you submitted a time, display the calendar of your submission, otherwise the current month calendar is displayed4 if(isset($_get[' Month ']) &&isset($_get[' Year ']))5 {6     $month=$_get[' Month '];7     $year=$_get[' Year '];8 }9 Else Ten { One     $month=Date(' m '); A     $year=Date(' Y '); - } - $weekid=Date(' W ',Mktime(0,0,0,$month, 1,$year));//the first day of the month in a certain year is the week. 0-7 stands for Sunday-Saturday respectively the $countdays=Date(' t ',Mktime(0,0,0,$month, 1,$year));//number of days in a certain month of the year - //Get the number of days last month - $prevMonth=$month-1; - $prevYear=$year; + if($prevMonth= = 0){ -     $prevMonth= 12; +     $prevYear=$year-1; A } at $prevMonthDays=Date(' t ',Mktime(0,0,0,$prevMonth, 1,$prevYear));//the number of months of the month in a certain year - //echo $prevMonthDays. " <br/> "; - //echo $prevMonth. " <br/> "; - $countdays=Date(' t ',Mktime(0,0,0,$month, 1,$year));//number of days in a certain month of the year - $arr _days=Array();//array $arr_days represents each day of a month - //echo $weekid. " <br/> "; in //echo $countdays. " <br/> "; - //print_r ($arr _days); to $tempweekid=$weekid-1;//used to calculate the number of days before last month + //Initialize array $arr_days -  for($i= 0;$i<= 35;$i++) the { *     if($tempweekid>=0){ $         $arr _days[$i] =$prevMonthDays-$tempweekid;Panax Notoginseng         $tempweekid--; -}Else{ the         $arr _days[$i] = ""; +     } A      the } +  - //Assigning a value to an $arr_days array $  for($i=$weekid,$j= 1;$j<=$countdays;$i++,$j++) $ { -     $arr _days[$i] =$j; - } the  - Header("Content-type:image/png");Wuyi $im= @imagecreate (300, 185) theOr die("Cannot Initialize new GD image Stream"); - $background _color= Imagecolorallocate ($im, 255, 255, 255); Wu  -  About //Create Some colors $ $white= Imagecolorallocate ($im, 255, 255, 255); - $grey= Imagecolorallocate ($im, 128, 128, 128); - $black= Imagecolorallocate ($im, 0, 0, 0); - $red= Imagecolorallocate ($im, 255, 37, 37); A $color 2= Imagecolorallocatealpha ($im, 0,0,0,0); +  the $alphagray= Imagecolorallocatealpha ($im, 205,206,206,0); - $alphared= Imagecolorallocatealpha ($im, 255,206,206,0); $  the $font= './gillsans.ttf '; the $text= "SU"; the  the $titleArray=Array("SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"); - $font _x= 20; in $font _y= 20; the foreach($titleArray  as $key=$value){ the //Add Some shadow to the text AboutImagettftext ($im, 12, 0,$font _x,$font _y,$color 2,$font,$value);  the     $font _x+=40; the } the  +  - $font _x= 20; the $font _y= 45;Bayi  the     //Tabular Output the  for($i= 0;$i<= 35;$i++) - { -     $row=$arr _days[$i]; the     $tempFontx=$font _x; the     if($row< 10){ the         $tempFontx+=5; the     } -      the      the      the     if($i% 7 = = 0)94     { the          the         if($i< 7 &&$row> 7){ theImagettftext ($im, 12, 0,$tempFontx,$font _y,$alphared,$font,$row); 98}Else{ AboutImagettftext ($im, 12, 0,$tempFontx,$font _y,$red,$font,$row);  -         }101         102         103         $font _x+=40;104}Else{ the         if($i< 7 &&$row> 7){106Imagettftext ($im, 12, 0,$tempFontx,$font _y,$alphagray,$font,$row); 107}Else{108Imagettftext ($im, 12, 0,$tempFontx,$font _y,$color 2,$font,$row);109         }     the             111         $font _x+=40; the     }113      the     if(($i+ 1)% 7 = = 0) the     { the         $font _x= 20;117         $font _y+ = 25;118     }119 } - 121 //ADD the text122Imagepng ($im,"./".$year.$month.". png);123 //imagepng ($im);124Imagedestroy ($im);

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The font used FONT:HTTP://PAN.BAIDU.COM/S/1JGBZRM2

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Reference article: A simple perpetual calendar implemented in PHP

PHP gd generate calendar diagram