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class-rio-base-object.php
102 lines
| 1 | <?php |
| 2 | |
| 3 | // Exit if accessed directly |
| 4 | if ( ! defined( 'ABSPATH' ) ) { |
| 5 | exit; |
| 6 | } |
| 7 | |
| 8 | /** |
| 9 | * Class RIO_Base_Object is a base class that implements property feature. |
| 10 | * |
| 11 | * It takes advantage of __get() and __set(), see further implementation below in the class. |
| 12 | * |
| 13 | * When property of the class is being used and it has a getter, it will be used instead of directly accessing it. |
| 14 | * |
| 15 | * The same logic applies for setter. |
| 16 | * |
| 17 | * Example: |
| 18 | * |
| 19 | * ```php |
| 20 | * // equivalent to $label = $object->getLabel(); |
| 21 | * $label = $object->label; |
| 22 | * // equivalent to $object->setLabel('abc'); |
| 23 | * $object->label = 'abc'; |
| 24 | * ``` |
| 25 | */ |
| 26 | class RIO_Base_Object { |
| 27 | |
| 28 | /** |
| 29 | * RIO_Base_Object constructor. |
| 30 | * |
| 31 | * @param array $config name-value pairs that will be used to initialize the object properties. |
| 32 | */ |
| 33 | public function __construct( $config = [] ) { |
| 34 | |
| 35 | if ( ! empty( $config ) ) { |
| 36 | $this->configure( $config ); |
| 37 | } |
| 38 | |
| 39 | $this->init(); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Initiate model. |
| 44 | */ |
| 45 | public function init() { |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Configure object. |
| 50 | * |
| 51 | * @param array $config name-value pairs that will be used to initialize the object properties. |
| 52 | */ |
| 53 | public function configure( $config ) { |
| 54 | RIO_Base_Helper::configure( $this, $config ); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Returns the value of an object property. |
| 59 | * |
| 60 | * Do not call this method directly as it is a PHP magic method that |
| 61 | * will be implicitly called when executing `$value = $object->property;`. |
| 62 | * |
| 63 | * @param string $name the property name |
| 64 | * |
| 65 | * @return mixed the property value |
| 66 | * @throws Exception if the property is not defined |
| 67 | * @see __set() |
| 68 | */ |
| 69 | public function __get( $name ) { |
| 70 | $getter = 'get_' . $name; |
| 71 | if ( method_exists( $this, $getter ) ) { |
| 72 | return $this->$getter(); |
| 73 | } elseif ( method_exists( $this, 'set' . $name ) ) { |
| 74 | throw new \Exception( 'Getting write-only property: ' . get_class( $this ) . '::' . $name ); |
| 75 | } |
| 76 | throw new Exception( 'Getting unknown property: ' . get_class( $this ) . '::' . $name ); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Sets value of an object property. |
| 81 | * |
| 82 | * Do not call this method directly as it is a PHP magic method that |
| 83 | * will be implicitly called when executing `$object->property = $value;`. |
| 84 | * |
| 85 | * @param string $name the property name or the event name |
| 86 | * @param mixed $value the property value |
| 87 | * |
| 88 | * @throws Exception if the property is not defined |
| 89 | * @see __get() |
| 90 | */ |
| 91 | public function __set( $name, $value ) { |
| 92 | $setter = 'set_' . $name; |
| 93 | if ( method_exists( $this, $setter ) ) { |
| 94 | $this->$setter( $value ); |
| 95 | } elseif ( method_exists( $this, 'get' . $name ) ) { |
| 96 | throw new \Exception( 'Setting read-only property: ' . get_class( $this ) . '::' . $name ); |
| 97 | } else { |
| 98 | throw new \Exception( 'Setting unknown property: ' . get_class( $this ) . '::' . $name ); |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 |