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optometrists
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cache
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Data_Dictionary
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WPDP_List_Columns_Cache.php
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<?php /** * Suppress "error - 0 - No summary was found for this file" on phpdoc generation * * @package WPDataProjects\Data_Dictionary */ namespace WPDataProjects\Data_Dictionary { /** * Class WPDP_List_Columns_Cache * * Instances of object WPDP_List_Columns are cached in this class * * @author Peter Schulz * @since 2.0.0 */ class WPDP_List_Columns_Cache { /** * List of cached instances of WPDP_List_Columns * * @var array */ protected static $cached_list_columns = array(); /** * Gets an instance of WPDP_List_Columns from cache or creates a new instance * * New instances are added to the cache * * @param string $schema_name Database schema name * @param string $table_name Database table name * @param string $label_type Label type * @param string $setname Options set name * * @return object Handle to WPDP_List_Columns instance */ public static function get_list_columns( $schema_name, $table_name, $label_type, $setname = 'default' ) { $index = "$schema_name.$table_name.$label_type.$setname"; if ( ! isset( self::$cached_list_columns[ $index ] ) ) { self::$cached_list_columns[ $index ] = new WPDP_List_Columns( $schema_name, $table_name, $label_type, $setname ); } return self::$cached_list_columns[ $index ]; } } }