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sanjoydesksanjoydesk
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Cygnite Form Builder Component
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‎Form.php

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<?php
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/*
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* This file is part of the Cygnite package.
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*
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* (c) Sanjoy Dey <dey.sanjoy0@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Cygnite\FormBuilder;
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use Closure;
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use Cygnite\Proxy\StaticResolver;
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/**
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* Form.
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*
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* Build your form on the fly.
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*
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* @author Sanjoy Dey <dey.sanjoy0@gmail.com>
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*/
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class Form extends StaticResolver implements FormInterface
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{
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private static $formHolder = array();
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public static $formName;
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public static $formOpen;
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public $attributes = array();
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public $elements = array();
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public $value = array();
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public $element = array();
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private static $object;
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private $validArray = array('text', 'button', 'select', 'textarea');
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public $validator;
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public $errorClass = 'error';
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protected function getInstance(Closure $callback = null)
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{
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if ($callback instanceof Closure) {
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return $callback(new self);
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}
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return new self;
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}
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/**
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* Form open tag
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*
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* @param $formName
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* @param array $attributes
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* @return $this
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*/
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public function open($formName, $attributes = array())
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{
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self::$formName = $formName;
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self::$formHolder[$formName] = $formName;
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self::$formOpen = true;
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$this->form($formName, $attributes);
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return $this;
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}
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/*
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* Add form elements
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*
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* @param $key
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* @param $rule set up your validation rule
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* @return $this
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*
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*/
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public function addElement($type, $key, $values = array())
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{
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$values['type'] = $type;
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$this->value[$key] = $values;
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return $this;
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}
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public function withHtml()
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{
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//$this->value[$key] = $values;
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return $this;
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}
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public function setValidation()
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{
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}
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/**
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* @param array $elements
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* @return $this
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*/
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public function addElements($elements = array())
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{
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$this->value = array_shift($elements);
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return $this;
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}
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/**
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* @return $this
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*/
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public function createForm()
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{
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foreach ($this->value as $key => $val) {
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switch ($val['type']) {
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case 'textarea':
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unset($val['type']);
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$this->textarea($key, $val);
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break;
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case 'select':
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unset($val['type']);
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$this->select($key, $val);
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break;
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case 'label':
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unset($val['type']);
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$this->label($key, $val);
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break;
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case 'button':
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unset($val['type']);
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$this->button($key, $val);
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break;
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default:
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$this->input($key, $val);
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break;
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}
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if (isset($val['type']) && in_array($val['type'], $this->validArray)) {
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if (!in_array('submit', $val)) {
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if (is_object($this->validator) && isset($this->validator->errors[$key.'_error'])) {
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$this->elements[self::$formHolder[self::$formName]][$key.'_error'] =
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'<span class="'.$this->errorClass.'">'.$this->validator->errors[$key.'_error'].'</span>'.PHP_EOL;
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}
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}
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}
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}
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return $this;
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}
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/**
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* @return bool
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*/
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public function isValidRequest()
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{
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return ($this->getMethod() == 'post') ? true : false;
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}
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/**
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* @param $key
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* @param $val
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*/
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private function form($key, $val)
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{
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$type = null;
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$type = strtolower(__FUNCTION__);
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$this->attributes[self::$formHolder[self::$formName]][$key] =
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"<$type name='".self::$formName."' ".$this->attributes($val).">".PHP_EOL;
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}
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/**
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* @param $key
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* @param $val
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*/
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private function input($key, $val)
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{
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$type = null;
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$type = strtolower(__FUNCTION__);
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$this->elements[self::$formHolder[self::$formName]][$key] =
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"<$type name='".$key."' ".$this->attributes($val)." />".PHP_EOL;
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}
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/**
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* @param $key
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* @param $val
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*/
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private function label($key, $val)
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{
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$type = null;
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$type = strtolower(__FUNCTION__);
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$this->elements[self::$formHolder[self::$formName]][$key] =
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"<$type for='".$key."' ".$this->attributes($val).">".$key."</$type>".PHP_EOL;
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}
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/**
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* @param $key
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* @param $val
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*/
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private function textarea($key, $val)
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{
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$value = '';
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$value = $val['value'];
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$type = strtolower(__FUNCTION__);
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unset($val['value']);
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$this->elements[self::$formHolder[self::$formName]][$key] =
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"<".$type." name='".$key."'".$this->attributes($val)." >".$value."</".$type.">".PHP_EOL;
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}
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/**
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* @param $key
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* @param $values
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*/
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private function select($key, $values)
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{
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$select = $selectValue = '';
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$attributes = array();
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$selectOptions = $values['options'];
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$selected = $values['selected'];
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unset($values['options']);
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unset($values['selected']);
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$attributes = $values;
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$select .= "<".strtolower(__FUNCTION__)." name='".$key."' ".$this->attributes($attributes).">".PHP_EOL;
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foreach ($selectOptions as $key => $value) {
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$selectValue = ($selected == $key) ? 'selected="selected"' : '';
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$select .= "<option $selectValue value='".$key."'>".$value."</option>".PHP_EOL;
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}
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$select .= '</'.strtolower(__FUNCTION__).'>'.PHP_EOL;
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$this->elements[self::$formHolder[self::$formName]][$key] = $select;
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}
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/**
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* @param $key
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* @param $value
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*/
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public function __set($key, $value)
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{
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$this->attributes[$key] = $value;
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}
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/**
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* @param $key
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* @return null
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*/
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public function __get($key)
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{
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return isset($this->attributes[$key]) ? $this->attributes[$key] : null;
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}
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/**
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* @return mixed
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*/
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public function getForm()
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{
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$elementString = "";
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if (isset($this->attributes[self::$formHolder[self::$formName]])) {
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$elementString .= $this->attributes[self::$formHolder[self::$formName]][self::$formName];
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}
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foreach ($this->elements[self::$formHolder[self::$formName]] as $key => $val) {
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$elementString .= $val;
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}
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$close = "";
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$close = self::$formHolder[self::$formName].'_close';
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if (isset($this->attributes[$close])) {
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$elementString .= $this->attributes[$close];
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}
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$this->element[self::$formHolder[self::$formName]] = $elementString;
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return $this->element[self::$formHolder[self::$formName]];
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}
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//Error occured while using this method
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//Have to work on this.
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public function __toString()
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{
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return $this->element[@self::$formHolder[self::$formName]];
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}
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/**
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* @param $attributes
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* @return string
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*/
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protected function attributes($attributes)
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{
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$element_str = "";
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foreach ($attributes as $key => $value) {
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$element_str .= "{$key}='{$value}' ";
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}
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return $element_str;
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}
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public function close()
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{
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if (self::$formOpen) {
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$close = trim(self::$formHolder[self::$formName].'_close');
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$this->{$close} = "</form>".PHP_EOL;
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}
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return $this;
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}
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public function flush()
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{
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$this->__destruct();
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}
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public function __destruct()
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{
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unset($this->elements);
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unset($this->element);
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}
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}

‎FormInterface.php

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<?php
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namespace Cygnite\FormBuilder;
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if (!defined('CF_SYSTEM')) {
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exit('No External script access allowed');
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}
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/**
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* Cygnite Framework
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*
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* An open source application development framework for PHP 5.3x or newer
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*
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* License
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*
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* This source file is subject to the MIT license that is bundled
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* with this package in the file LICENSE.txt.
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* http://www.cygniteframework.com/license.txt
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to sanjoy@hotmail.com so I can send you a copy immediately.
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*
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* @package : Packages
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* @subpackages : Common
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* @filename : FormInterface
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* @description : Form Interface to declare form methods
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* @author : Cygnite Dev Team
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* @copyright : Copyright (c) 2013 - 2014,
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* @link : http://www.cygniteframework.com
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* @since : Version 1.0
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* @FileSource
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*
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*/
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interface FormInterface
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{
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public function addElement($type, $key, $values = array());
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public function addElements($elements = array());
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public function getForm();
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}

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