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<?php |
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/** |
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* |
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* This file is part of Aura for PHP. |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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* |
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*/ |
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namespace Aura\Html\Helper\Input; |
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/** |
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* |
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* An HTML checkbox input. |
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* |
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* @package Aura.Html |
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* |
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*/ |
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class Checkbox extends AbstractChecked |
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{ |
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/** |
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* |
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* Individual attributes for each option (only for multi checkbox) |
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* |
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* @var array |
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* |
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*/ |
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protected $options_attribs = array(); |
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/** |
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* |
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* Prepares the properties on this helper. |
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* |
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* @param array $spec The specification array. |
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* |
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*/ |
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protected function prep(array $spec) |
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{ |
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if (isset($spec['options_attribs'])) { |
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$this->options_attribs = $spec['options_attribs']; |
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unset($spec['options_attribs']); |
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} |
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parent::prep($spec); |
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} |
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/** |
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* |
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* Returns the HTML for the input. |
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* @return string |
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* |
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*/ |
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public function __toString() |
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{ |
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$this->attribs['type'] = 'checkbox'; |
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if ($this->options) { |
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return $this->multiple(); |
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} |
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// Get unchecked element first. This unsets value_unchecked |
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$unchecked = $this->htmlUnchecked(); |
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// Get the input |
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$input = $this->htmlChecked(); |
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// Unchecked (hidden) element must reside outside the label |
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$html = $unchecked . $this->htmlLabel($input); |
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return $this->indent(0, $html); |
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} |
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/** |
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* |
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* Returns the HTML for the "unchecked" part of the input. |
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* |
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* @return string |
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* |
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*/ |
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protected function htmlUnchecked() |
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{ |
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if (! isset($this->attribs['value_unchecked'])) { |
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return; |
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} |
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$unchecked = $this->attribs['value_unchecked']; |
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unset($this->attribs['value_unchecked']); |
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$attribs = array( |
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'type' => 'hidden', |
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'value' => $unchecked, |
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'name' => $this->name |
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); |
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return $this->void('input', $attribs); |
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} |
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protected function multiple() |
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{ |
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$html = ''; |
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$checkbox = clone($this); |
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$this->attribs['name'] .= '[]'; |
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foreach ($this->options as $value => $label) { |
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$this->attribs['value'] = $value; |
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$this->attribs['label'] = $label; |
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$optionAttribs = isset($this->options_attribs[$value]) ? $this->options_attribs[$value] : array(); |
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$html .= $checkbox(array( |
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'name' => $this->attribs['name'], |
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'value' => $this->value, |
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'attribs' => $this->attribs + $optionAttribs |
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)); |
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} |
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return $html; |
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} |
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} |
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auraphp /
Aura.Html
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.