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<?php |
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/** |
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* WordPress Settings |
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* |
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* Add setting pages with Amarkal UI components to your WordPress theme or |
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* plugin. |
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* |
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* @package amarkal-settings |
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* @depends amarkal-ui |
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* @author Askupa Software <[email protected]> |
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* @link https://github.com/askupasoftware/amarkal-settings |
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* @copyright 2017 Askupa Software |
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*/ |
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// Prevent direct file access |
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defined( 'ABSPATH' ) or die( 'No script kiddies please!' ); |
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/** |
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* Prevent loading the library more than once |
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*/ |
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if( defined( 'AMARKAL_SETTINGS' ) ) return false; |
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define( 'AMARKAL_SETTINGS', true ); |
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if(!function_exists('amarkal_add_settings_page')) |
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{ |
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/** |
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* Add a new settings page |
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* |
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* @param [array] $args |
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* @return void |
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*/ |
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function amarkal_add_settings_page( $args ) |
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{ |
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$manager = Amarkal\Settings\Manager::get_instance(); |
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return $manager->add_settings_page($args); |
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} |
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} |
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if(!function_exists('amarkal_get_settings_page')) |
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{ |
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/** |
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* Get a settings page instance |
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* |
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* @param string $slug |
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* @return Amarkal\Settings\SettingsPage |
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*/ |
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function amarkal_get_settings_page( $slug ) |
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{ |
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$manager = Amarkal\Settings\Manager::get_instance(); |
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return $manager->get_settings_page($slug); |
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} |
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} |
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if(!function_exists('amarkal_get_settings_value')) |
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{ |
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/** |
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* Get the value of the given settings field |
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* |
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* @param string $slug |
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* @param string $field_name |
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* @return any |
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*/ |
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function amarkal_get_settings_value( $slug, $field_name ) |
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{ |
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$manager = Amarkal\Settings\Manager::get_instance(); |
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$page = $manager->get_settings_page($slug); |
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return $page->get_field_value($field_name); |
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} |
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} |
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if(!function_exists('amarkal_get_settings_values')) |
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{ |
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/** |
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* Get all the values for the given settings page as an array |
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* |
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* @param string $slug |
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* @return array |
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*/ |
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function amarkal_get_settings_values( $slug ) |
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{ |
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$manager = Amarkal\Settings\Manager::get_instance(); |
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$page = $manager->get_settings_page($slug); |
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return $page->get_field_values(); |
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} |
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} |
PHP has two types of connecting operators (logical operators, and boolean operators):
and&&or||The difference between these is the order in which they are executed. In most cases, you would want to use a boolean operator like
&&, or||.Let’s take a look at a few examples:
Logical Operators are used for Control-Flow
One case where you explicitly want to use logical operators is for control-flow such as this:
Since
dieintroduces problems of its own, f.e. it makes our code hardly testable, and prevents any kind of more sophisticated error handling; you probably do not want to use this in real-world code. Unfortunately, logical operators cannot be combined withthrowat this point:These limitations lead to logical operators rarely being of use in current PHP code.