Here is the Form class. It may run out to the right a bit.
<?php
/*
##################################################
#
# Filename..........: $RCSfile: Form.php,v $
# Original Author...: Anthony L. Awtrey
# Version...........: $Revision: 0.1 $
# Last Modified By..: $Author: aawtrey $
# Last Modified.....: $Date: 2006/09/21 18:15:56 $
#
# Copyright 2006 Anthony Awtrey
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
*/
/*
* This class provides methods to build HTML forms.
*/
class Form {
var $action;
var $method;
var $hidden = array();
var $input = array();
var $submit = array();
var $reset;
/*
* Class initialization
*/
function __construct($action='index.php', $method='GET') {
global $_SERVER;
global $_SESSION;
global $_REQUEST;
global $_POST;
global $_GET;
$this->action = $action;
$this->method = $method;
}
function __destruct()
{
}
/*
* Add a hidden form input
*/
function hidden($name,$value) {
$c = count($this->hidden);
$this->hidden[$c]['name'] = $name;
$this->hidden[$c]['value'] = $value;
}
/*
* Add a text form input
*/
function text($label,$name,$value,$size='30',$maxlength='') {
$c = count($this->input);
$this->input[$c]['type'] = 'text';
$this->input[$c]['label'] = $label;
$this->input[$c]['name'] = $name;
$this->input[$c]['value'] = $value;
$this->input[$c]['size'] = $size;
if ( $maxlength == '' ) {
$this->input[$c]['maxlength'] = $size;
} else {
$this->input[$c]['maxlength'] = $maxlength;
}
}
/*
* Add a password form input
*/
function password($label,$name,$value,$size='30',$maxlength='') {
$c = count($this->input);
$this->input[$c]['type'] = 'password';
$this->input[$c]['label'] = $label;
$this->input[$c]['name'] = $name;
$this->input[$c]['value'] = $value;
$this->input[$c]['size'] = $size;
if ( $maxlength == '' ) {
$this->input[$c]['maxlength'] = $size;
} else {
$this->input[$c]['maxlength'] = $maxlength;
}
}
/*
* Add a file form input
*/
function file($label,$name,$value,$size='30',$maxlength='') {
$c = count($this->input);
$this->input[$c]['type'] = 'file';
$this->input[$c]['label'] = $label;
$this->input[$c]['name'] = $name;
$this->input[$c]['value'] = $value;
$this->input[$c]['size'] = $size;
if ( $maxlength == '' ) {
$this->input[$c]['maxlength'] = $size;
} else {
$this->input[$c]['maxlength'] = $maxlength;
}
}
/*
* Add a textarea form input
*/
function textarea($label,$name,$value,$rows='5',$cols='60') {
$c = count($this->input);
$this->input[$c]['type'] = 'textarea';
$this->input[$c]['label'] = $label;
$this->input[$c]['name'] = $name;
$this->input[$c]['value'] = $value;
$this->input[$c]['rows'] = $rows;
$this->input[$c]['cols'] = $cols;
}
/*
* Add a select form input
* $options must be a key/value array
*/
function select($label,$name,$options,$selected='',$size='1') {
$c = count($this->input);
$this->input[$c]['type'] = 'select';
$this->input[$c]['label'] = $label;
$this->input[$c]['name'] = $name;
$this->input[$c]['options'] = $options;
$this->input[$c]['selected'] = $selected;
$this->input[$c]['size'] = $size;
}
/*
* Add a captcha form input. This is an input test used to prevent spam.
*/
function captcha() {
$c = count($this->input);
$this->input[$c]['type'] = 'captcha';
}
/*
* Add a submit button
*/
function submit($name,$value) {
$c = count($this->submit);
$this->submit[$c]['name'] = $name;
$this->submit[$c]['value'] = $value;
}
/*
* Add a reset button
*/
function reset($name) {
$this->reset = $name;
}
/*
* Generate a captcha image for the form and set it to the session
*/
function generateCaptcha() {
$image = imagecreate(100, 30);
$white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
$gray = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);
$darkgray = imagecolorallocate($image, 0x50, 0x50, 0x50);
srand((double)microtime()*1000000);
for ($i = 0; $i < 30; $i++) {
$x1 = rand(0,100);
$y1 = rand(0,30);
$x2 = rand(0,100);
$y2 = rand(0,30);
imageline($image, $x1, $y1, $x2, $y2 , $gray);
}
for ($i = 0; $i < 5; $i++) {
$cnum[$i] = rand(0,9);
}
for ($i = 0; $i < 5; $i++) {
$fnt = rand(3,5);
$x = $x + rand(12 , 20);
$y = rand(7 , 12);
imagestring($image, $fnt, $x, $y, $cnum[$i] , $darkgray);
}
$digit = "$cnum[0]$cnum[1]$cnum[2]$cnum[3]$cnum[4]";
$_SESSION['inCaptcha'] = $digit;
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
exit;
}
/*
* Render the defined form into HTML
*/
function render() {
$output = "<form action="" . $this->action . "" method="" . $this->method . "" enctype="multipart/form-data">n";
foreach ($this->hidden as $key => $val) {
$output .= "<input type="hidden" name="" . $val['name'] . "" value="" . $val['value'] . "" />n";
}
foreach ($this->input as $key => $val) {
switch ($val['type']) {
case 'text':
$output .= " <p>n";
$output .= " <label>" . $val['label'] . "</label>n";
$output .= " <input type="text" name="" . $val['name'] . "" value="" . $val['value'] . "" size="" . $val['size'] . "" maxlength="" . $val['maxlength'] . "" />n";
$output .= " </p>n";
break;
case 'password':
$output .= " <p>n";
$output .= " <label>" . $val['label'] . "</label>n";
$output .= " <input type="password" name="" . $val['name'] . "" value="" . $val['value'] . "" size="" . $val['size'] . "" maxlength="" . $val['maxlength'] . "" />n";
$output .= " </p>n";
break;
case 'file':
$output .= " <p>n";
$output .= " <label>" . $val['label'] . "</label>n";
$output .= " <input type="file" name="" . $val['name'] . "" value="" . $val['value'] . "" size="" . $val['size'] . "" maxlength="" . $val['maxlength'] . "" />n";
$output .= " </p>n";
break;
case 'textarea':
$output .= " <p>n";
$output .= " <label>" . $val['label'] . "</label>n";
$output .= " <textarea name="" . $val['name'] . "" rows="" . $val['rows'] . "" cols="" . $val['cols'] . "">n" . $val['value'] . "n</textarea>n";
$output .= " </p>n";
break;
case 'select':
$output .= " <p>n";
$output .= " <label>" . $val['label'] . "</label>n";
$output .= " <select name="" . $val['name'] . "" size="" . $val['size'] . "">n";
foreach ( $val['options'] as $k => $v) {
$selected = '';
if ( $k == $val['selected'] ) {
$selected = 'SELECTED';
}
$output .= " <option value="". $k . "" " . $selected . ">" . $v . "</option>n";
}
$output .= " </select>n";
$output .= " </p>n";
break;
case 'captcha':
$output .= " <p>n";
$output .= " <label>Enter numbers:</span>n";
$output .= " <img src="".RELPATH."common/captcha.php"><input type="text" name="inCaptcha" value="" size="5" maxlength="5" />n";
$output .= " </p>n";
break;
default:
break;
}
}
$output .= " <p>n";
foreach ($this->submit as $key => $val) {
$output .= " <button name="" . $val['name'] . "">" . $val['value'] . "</button>n";
}
if ( $this->reset ) {
$output .= " <button type="reset">" . $this->reset . "</button>n";
}
$output .= " </p>n";
$output .= "</form>n";
return $output;
}
}
?>