Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 6 | abstract class Jetpack_JSON_API_Modules_Endpoint extends Jetpack_JSON_API_Endpoint { |
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| 7 | |||
| 8 | protected $modules = array(); |
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| 9 | |||
| 10 | protected $bulk = true; |
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| 11 | |||
| 12 | static $_response_format = array( |
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| 13 | 'id' => '(string) The module\'s ID', |
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| 14 | 'active' => '(boolean) The module\'s status.', |
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| 15 | 'name' => '(string) The module\'s name.', |
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| 16 | 'description' => '(safehtml) The module\'s description.', |
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| 17 | 'sort' => '(int) The module\'s display order.', |
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| 18 | 'introduced' => '(string) The Jetpack version when the module was introduced.', |
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| 19 | 'changed' => '(string) The Jetpack version when the module was changed.', |
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| 20 | 'free' => '(boolean) The module\'s Free or Paid status.', |
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| 21 | 'module_tags' => '(array) The module\'s tags.' |
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| 22 | ); |
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| 23 | |||
| 24 | protected function result() { |
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| 25 | |||
| 26 | $modules = $this->get_modules(); |
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| 27 | |||
| 28 | if ( ! $this->bulk && ! empty( $modules ) ) { |
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| 29 | return array_pop( $modules ); |
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| 30 | } |
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| 31 | |||
| 32 | return array( 'modules' => $modules ); |
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| 33 | |||
| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Walks through either the submitted modules or list of themes and creates the global array |
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| 38 | * @param $theme |
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| 39 | * |
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| 40 | * @return bool |
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| 41 | */ |
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| 42 | View Code Duplication | protected function validate_input( $module) { |
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| 43 | $args = $this->input(); |
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| 44 | // lets set what modules were requested, and validate them |
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| 45 | if ( ! isset( $module ) || empty( $module ) ) { |
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| 46 | |||
| 47 | if ( ! $args['modules'] || empty( $args['modules'] ) ) { |
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| 48 | return new WP_Error( 'missing_module', __( 'You are required to specify a module.', 'jetpack' ), 400 ); |
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| 49 | } |
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| 50 | if ( is_array( $args['modules'] ) ) { |
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| 51 | $this->modules = $args['modules']; |
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| 52 | } else { |
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| 53 | $this->modules[] = $args['modules']; |
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| 54 | } |
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| 55 | } else { |
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| 56 | $this->modules[] = urldecode( $module ); |
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| 57 | $this->bulk = false; |
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| 58 | } |
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| 59 | |||
| 60 | if ( is_wp_error( $error = $this->validate_modules() ) ) { |
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| 61 | return $error; |
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| 62 | } |
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| 63 | |||
| 64 | return parent::validate_input( $module ); |
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| 65 | } |
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| 66 | |||
| 67 | /** |
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| 68 | * Walks through submitted themes to make sure they are valid |
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| 69 | * @return bool|WP_Error |
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| 70 | */ |
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| 71 | protected function validate_modules() { |
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| 72 | foreach ( $this->modules as $module ) { |
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| 73 | if ( ! Jetpack::is_module( $module ) ) { |
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| 74 | return new WP_Error( 'unknown_jetpack_module', sprintf( __( 'Module not found: `%s`.', 'jetpack' ), $module ), 404 ); |
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| 75 | } |
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| 76 | } |
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| 77 | return true; |
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| 78 | } |
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| 79 | |||
| 80 | protected static function format_module( $module_slug ) { |
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| 102 | |||
| 103 | /** |
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| 104 | * Format a list of modules for public display, using the supplied offset and limit args |
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| 105 | * @uses WPCOM_JSON_API_Endpoint::query_args() |
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| 106 | * @return array Public API modules objects |
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| 107 | */ |
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| 108 | View Code Duplication | protected function get_modules() { |
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| 120 | |||
| 121 | } |
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| 122 |
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.