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Basic class to build a form from an array
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| <?php | |
| /** | |
| * Form Class | |
| * | |
| * Responsible for building forms | |
| * | |
| * @param array $elements renderable array containing form elements | |
| * | |
| * @return void | |
| */ | |
| class Form { | |
| public $elements; | |
| public $form_number = 1; | |
| public function __construct($elements){ | |
| $this->elements = $elements; | |
| } | |
| /** | |
| * Form class method to dump object elements | |
| * | |
| * The method just dumps the elements of the form passed to the instantiation. | |
| * | |
| * @return void | |
| * | |
| */ | |
| public function dumpElements() { | |
| var_dump($this->elements); | |
| } | |
| /** | |
| * Form class method to build a form from an array | |
| * | |
| * | |
| * @return string $output contains the form as HTML | |
| * | |
| */ | |
| function build() { | |
| $output = ''; | |
| // For multiple forms, create a counter. | |
| $this->form_number++; | |
| // Loop through each form element and render it. | |
| foreach ($this->elements as $name => $elements) { | |
| $label = '<label>' . $elements['title'] . '</label>'; | |
| switch ($elements['type']) { | |
| case 'textarea': | |
| $input = '<textarea name="' . $name . '" ></textarea>'; | |
| break; | |
| case 'submit': | |
| $input = '<input type="submit" name="' . $name . '" value="' . $elements['title'] . '">'; | |
| $label = ''; | |
| break; | |
| default: | |
| $input = '<input type="' . $elements['type'] . '" name="' . $name . '" />'; | |
| break; | |
| } | |
| $output .= $label . '<p>' . $input . '</p>'; | |
| } | |
| // Wrap a form around the inputs. | |
| $output = ' | |
| <form action="' . $_SERVER['PHP_SELF'] . '" method="post"> | |
| <input type="hidden" name="action" value="submit_' . $this->form_number . '" /> | |
| ' . $output . ' | |
| </form>'; | |
| // Return the form. | |
| return $output; | |
| } | |
| } |
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| <?php | |
| /** | |
| * This files contains the list of forms defined | |
| * | |
| */ | |
| // Renderable array with a form elements. | |
| $contact_form = array( | |
| 'name' => array( | |
| 'title' => 'Name', | |
| 'type' => 'text', | |
| 'validations' => array('not_empty'), | |
| ), | |
| 'email' => array( | |
| 'title' => 'Email', | |
| 'type' => 'email', | |
| 'validations' => array('not_empty', 'is_valid_email'), | |
| ), | |
| 'comment' => array( | |
| 'title' => 'Comments', | |
| 'type' => 'textarea', | |
| 'validations' => array('not_empty'), | |
| ), | |
| 'submit' => array( | |
| 'title' => 'Submit me!', | |
| 'type' => 'submit', | |
| ), | |
| ); |
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| <?php | |
| require_once 'formsList.php'; | |
| require_once 'classes/Form.class.php'; | |
| $form = new Form($contact_form); | |
| $form_html = $form->build(); | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>The index file</title> | |
| </head> | |
| <body> | |
| <?php echo $form_html; ?> | |
| </body> | |
| </html> | |
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