<?php     /**    * Color form example.    *    * @author Thiemo Mättig (http://maettig.com/)    */     require_once("Apeform.class.php");   $form = new Apeform();     $color1_rgb = $form->checkbox("Choose one or more colors", "",       "Red|Green|Blue");   $color1_name = $form->text("Or type another color",       "Leave empty if not required");     $form->header("<hr>");     $color2_select = $form->select("Choose a color", "", "Red|Green|Blue");   $name_select = $form->getName();   $color2_name = $form->text("Or type a new color",       "Leave empty if not required");     $form->header("<hr>");     $color3_base = array(       "Black", "Maroon", "Green", "Olive<br>",       "Navy", "Purple", "Teal", "Silver<br>",       "Gray", "Red", "Lime", "Yellow<br>",       "Blue", "Fuchsia", "Aqua", "White");   $color3_bichrome = array(       '<span style="background:maroon;color:white">dark red</span>',       '<span style="background:red;color:white">red</span>',       '<span style="background:green;color:white">dark green</span>',       '<span style="background:lime">green</span>');   $color3_base_index = $form->checkbox("Choose one or more colors", "",       $color3_base);   $color3_bichrome_index = $form->checkbox("Or choose from these colors", "",       $color3_bichrome);     $form->header("<hr>");     $form->header("Type a color name in the text field below");   $color4 = $form->text();     $form->header("<hr>");     $color5 = $form->text("#RRGGBB", "", array("00", "99", "FF"), 2);   $name_rgb = $form->getName();     $form->header("<hr>");     $form->submit();     // Here the construction and validation of the form ends. End of "controller"   // code, start of "view" code.     ?>      <style type="text/css">   /* The :first-child and + selectors do not work in Internet Explorer. */   #<?=$name_select?>i option:first-child { background-color: #F99; }   #<?=$name_select?>i option+option { background-color: #9F9; }   #<?=$name_select?>i option+option+option { background-color: #99F; }   #<?=$name_rgb?>i0 { background-color: #FCC; }   #<?=$name_rgb?>i1 { background-color: #CFC; }   #<?=$name_rgb?>i2 { background-color: #CCF; }   </style>     <?=$form->toHTML()?>      <? if ($form->isValid()): ?>        <p style="background-color: <?=empty($color1_name) ? "#" .       (in_array("Red", $color1_rgb) ? "FF" : "00") .       (in_array("Green", $color1_rgb) ? "FF" : "00") .       (in_array("Blue", $color1_rgb) ? "FF" : "00") : $color1_name?>;">       Color No. 1     </p>       <p style="background-color: <?=empty($color2_name) ? $color2_select :       $color2_name?>;">       Color No. 2     </p>       <p>       <? if (! empty($color3_bichrome_index)): ?>    <? foreach ($color3_bichrome_index as $i): ?>    <span style="background-color: <?=preg_replace('/^[^:]*:(\w+).*$/i',             '\1', $color3_bichrome[$i])?>;">             Color No. 3</span>         <? endforeach; ?>    <? else: ?>    <? foreach ($color3_base_index as $i): ?>    <span style="background-color: <?=strip_tags($color3_base[$i])?>;">             Color No. 3</span>         <? endforeach; ?>    <? endif; ?>    </p>       <p style="background-color: <?=$color4?>;">       Color No. 4     </p>       <p style="background-color: <?vprintf("#%02s%02s%02s", $color5)?>;">       Color No. 5     </p>     <? endif; ?>        |