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<?php |
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/* |
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* This file is part of Yolk - Gamer Network's PHP Framework. |
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* |
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* Copyright (c) 2013 Gamer Network Ltd. |
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* |
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* Distributed under the MIT License, a copy of which is available in the |
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* LICENSE file that was bundled with this package, or online at: |
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* https://github.com/gamernetwork/yolk |
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*/ |
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namespace yolk\support; |
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use yolk\contracts\support\Type; |
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/** |
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* A set of field definitions and associated validation rules. |
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*/ |
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class Fieldset implements \IteratorAggregate, \Countable { |
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/** |
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* Array of fields defined in this fieldset. |
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* @var array |
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*/ |
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protected $fields; |
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protected $types; |
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public function __construct() { |
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$this->fields = []; |
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$this->types = []; |
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} |
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/** |
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* Add a new field definition. |
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* @param string $name name of the field |
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* @param string $type one of the \yolk\contracts\support\Type constants or a string containing a custom type |
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* @param array $rules an array of validation rules |
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* @return self |
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*/ |
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public function add( $name, $type = Type::TEXT, $rules = [] ) { |
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$this->fields[$name] = new Field($name, $type, $rules); |
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$this->types = []; // clear this so it will be refreshed when we've finished adding fields |
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return $this; |
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} |
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/** |
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* Validate the data in the specified array. |
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* @param array $data |
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* @return array first element is an array of cleaned data, second is an array of the errors (if any) |
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*/ |
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public function validate( array $data ) { |
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$errors = []; |
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foreach( $this->fields as $field ) { |
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$f = $field->name; |
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$v = isset($data[$f]) ? $data[$f] : null; |
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list($clean, $errors[$f]) = $field->validate($v); |
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if( !$errors[$f] ) |
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$data[$f] = $clean; |
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} |
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return [ |
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$data, |
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array_filter($errors), |
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]; |
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} |
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public function listNames() { |
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return array_keys($this->fields); |
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} |
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public function getDefaults() { |
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$defaults = []; |
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foreach( $this->fields as $field ) { |
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$defaults[$field->name] = $field->default; |
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} |
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return $defaults; |
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} |
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public function __get( $key ) { |
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return isset($this->fields[$key]) ? $this->fields[$key] : null; |
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} |
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public function __isset( $key ) { |
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return isset($this->fields[$key]); |
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} |
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public function getIterator() { |
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return new \ArrayIterator($this->fields); |
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} |
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public function count() { |
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return count($this->fields); |
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} |
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public function getByType( $type ) { |
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$type = strtolower($type); |
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if( !$this->types ) { |
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$this->types['unique'] = []; |
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foreach( $this->fields as $field ) { |
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if( !isset($this->types[$field->type]) ) |
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$this->types[$field->type] = []; |
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$this->types[$field->type][] = $field->name; |
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if( $field->isUnique() ) |
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$this->types['unique'][] = $field->name; |
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} |
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} |
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return isset($this->types[$type]) ? $this->types[$type] : []; |
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} |
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} |
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// EOF |
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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.