Choix de couleurs parmi une liste

                    

                    

                    
<?php
/*------------------------------*/
/*
 Titre : Choix de couleurs parmi une liste                                                                                
                                                                                                                          
 Date édition     : 14 Fev 2019                                                                                        
 Date mise a jour : 19 Aout 2019
                                                                                         
 Rapport de la maj:                                                                                                       
  - fonctionnement du code vérifié                                                                                  
*/
/*------------------------------*/

    function select_colors($all=0 , $sort=0){
     // all 
     // 0 -> couleurs officielles 
     // 1 -> toutes les couleurs 
      
     // sort : tri des items 
     // 1 : -> tri par ordre alphabetique des noms 
     // -1 : -> tri par ordre anti-alphabetique des noms 
     // 2 : -> tri par ordre de couleurs : foncé -> clair 
     // -2 : -> tri par ordre de couleurs : clair -> foncé 
      
     // ceci sont les couleurs officielles 
     // les plus compatibles : w3C.org 

     $colornames = array( 
     "black"=>"000000", 
     "navy"=>"000080", 
     "blue"=>"0000FF", 
     "green"=>"008000", 
     "teal"=>"008080", 
     "lime"=>"00FF00", 
     "aqua"=>"00FFFF", 
     "maroon"=>"800000", 
     "purple"=>"800080", 
     "olive"=>"808000", 
     "gray"=>"808080", 
     "silver"=>"C0C0C0", 
     "red"=>"FF0000", 
     "fuchsia"=>"FF00FF", 
     "yellow"=>"FFFF00", 
     "white"=>"FFFFFF"); 
      
     // ceci sont les autres couleurs 

     $othercolors = array( 
     "aliceblue"=>"9FCF00", 
     "antiquewhite"=>"FAEBD7", 
     "aqua"=>"00FFFF", 
     "aquamarine"=>"7FFFD4", 
     "azure"=>"F0FFFF", 
     "beige"=>"F5F5DC", 
     "bisque"=>"FFE4C4", 
     "black"=>"000000", 
     "blanchedalmond"=>"FFEBCD", 
     "blue"=>"0000FF", 
     "blueviolet"=>"8A2BE2", 
     "brown"=>"A52A2A", 
     "burlywood"=>"DEB887", 
     "cadetblue"=>"5F9EA0", 
     "chartreuse"=>"7FFF00", 
     "chocolate"=>"D2691E", 
     "coral"=>"FF7F50", 
     "cornflowerblue"=>"6495ED", 
     "cornsilk"=>"FFF8DC", 
     "crimson"=>"DC143C", 
     "cyan"=>"00FFFF", 
     "darkblue"=>"00008B", 
     "darkcyan"=>"008B8B", 
     "darkgoldenrod"=>"B8860B", 
     "darkgray"=>"A9A9A9", 
     "darkgreen"=>"006400", 
     "darkkhaki"=>"BDB76B", 
     "darkmagenta"=>"8B008B", 
     "darkolivegreen"=>"556B2F", 
     "darkorange"=>"FF8C00", 
     "darkorchid"=>"9932CC", 
     "darkred"=>"8B0000", 
     "darksalmon"=>"E9967A", 
     "darkseagreen"=>"8FBC8F", 
     "darkslateblue"=>"483D8B", 
     "darkslategray"=>"2F4F4F", 
     "darkturquoise"=>"00CED1", 
     "darkviolet"=>"9400D3", 
     "deeppink"=>"FF1493", 
     "deepskyblue"=>"00BFFF", 
     "dimgray"=>"696969", 
     "dodgerblue"=>"1E90FF", 
     "firebrick"=>"B22222", 
     "floralwhite"=>"FFFAF0", 
     "forestgreen"=>"228B22", 
     "fuchsia"=>"FF00FF", 
     "gainsboro"=>"DCDCDC", 
     "ghostwhite"=>"F8F8FF", 
     "gold"=>"FFD700", 
     "goldenrod"=>"DAA520", 
     "gray"=>"808080", 
     "green"=>"008000", 
     "greenyellow"=>"ADFF2F", 
     "honeydew"=>"F0FFF0", 
     "hotpink"=>"FF69B4", 
     "indianred"=>"CD5C5C", 
     "indigo"=>"4B0082", 
     "ivory"=>"FFFFF0", 
     "khaki"=>"F0E68C", 
     "lavender"=>"E6E6FA", 
     "lavenderblush"=>"FFF0F5", 
     "lawngreen"=>"7CFC00", 
     "lemonchiffon"=>"FFFACD", 
     "lightblue"=>"ADD8E6", 
     "lightcoral"=>"F08080", 
     "lightcyan"=>"E0FFFF", 
     "lightgoldenrodyellow"=>"FAFAD2", 
     "lightgreen"=>"90EE90", 
     "lightgrey"=>"D3D3D3", 
     "lightpink"=>"FFB6C1", 
     "lightsalmon"=>"FFA07A", 
     "lightseagreen"=>"20B2AA", 
     "lightskyblue"=>"87CEFA", 
     "lightslategray"=>"778899", 
     "lightsteelblue"=>"B0C4DE", 
     "lightyellow"=>"FFFFE0", 
     "lime"=>"00FF00", 
     "limegreen"=>"32CD32", 
     "linen"=>"FAF0E6", 
     "magenta"=>"FF00FF", 
     "maroon"=>"800000", 
     "mediumaquamarine"=>"66CDAA", 
     "mediumblue"=>"0000CD", 
     "mediumorchid"=>"BA55D3", 
     "mediumpurple"=>"9370DB", 
     "mediumseagreen"=>"3CB371", 
     "mediumslateblue"=>"7B68EE", 
     "mediumspringgreen"=>"0FA9A ", 
     "mediumturquoise"=>"48D1CC", 
     "mediumvioletred"=>"C71585", 
     "midnightblue"=>"191970", 
     "mintcream"=>"F5FFFA", 
     "mistyrose"=>"FFE4E1", 
     "moccasin"=>"FFE4B5", 
     "navajowhite"=>"FFDEAD", 
     "navy"=>"000080", 
     "oldlace"=>"FDF5E6", 
     "olive"=>"808000", 
     "olivedrab"=>"6B8E23", 
     "orange"=>"FFA500", 
     "orangered"=>"FF4500", 
     "orchid"=>"DA70D6", 
     "palegoldenrod"=>"EEE8AA", 
     "palegreen"=>"98FB98", 
     "paleturquoise"=>"AFEEEE", 
     "palevioletred"=>"DB7093", 
     "papayawhip"=>"FFEFD5", 
     "peachpuff"=>"FFDAB9", 
     "peru"=>"CD853F", 
     "pink"=>"FFC0CB", 
     "plum"=>"DDA0DD", 
     "powderblue"=>"B0E0E6", 
     "purple"=>"800080", 
     "red"=>"FF0000", 
     "rosybrown"=>"BC8F8F", 
     "royalblue"=>"4169E1", 
     "saddlebrown"=>"8B4513", 
     "salmon"=>"FA8072", 
     "sandybrown"=>"F4A460", 
     "seagreen"=>"2E8B57", 
     "seashell"=>"FFF5EE", 
     "sienna"=>"A0522D", 
     "silver"=>"C0C0C0", 
     "skyblue"=>"87CEEB", 
     "slateblue"=>"6A5ACD", 
     "slategray"=>"708090", 
     "snow"=>"FFFAFA", 
     "springgreen"=>"00FF7F", 
     "steelblue"=>"4682B4", 
     "tan"=>"D2B48C", 
     "teal"=>"008080", 
     "thistle"=>"D8BFD8", 
     "tomato"=>"FF6347", 
     "turquoise"=>"40E0D0", 
     "violet"=>"EE82EE", 
     "wheat"=>"F5DEB3", 
     "white"=>"FFFFFF", 
     "whitesmoke"=>"F5F5F5", 
     "yellow"=>"FFFF00", 
     "yellowgreen"=>"9ACD32" 
     ); 
      
     if ($all > 0){ 
       $colornames = array_merge($colornames, $othercolors); 
     } 
      
     switch ($sort){ 
      case 1 : 
      ksort($colornames); 
      break; 
      case -1 : 
      krsort($colornames); 
      break; 
      case 2 : 
      asort($colornames); 
      break; 
      case -2 : 
      arsort($colornames); 
      break; 
      default: 
     // no sorting at all. Just plain aggregation. 
     } 
      
     $retour = ""; 

      foreach ($colornames as $rgb => $couleur) {
       $retour .= "<option value=$rgb style=\"background-color:#$rgb;\">".
$couleur.
    "</option>\n";
     } 
      
     return $retour; 
    }
?>