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<?php /** * LearnDash Custom Label class. / class LearnDash_Custom_Label { /* * Construct / public function __construct() { } /* * Get label based on key name * * @param string $key Key name of setting field. * @return string Label entered on settings page. / public static function get_label( $key ) { $labels = array(); $key = strtolower( $key ); // The Setting logic for custom labels moved to includes/settings/class-ld-settings-section-custom-labels.php as of V2.4. $labels[ $key ] = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Section_Custom_Labels', $key ); switch ( $key ) { case 'course': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Course', 'learndash' ); break; case 'courses': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Courses', 'learndash' ); break; case 'lesson': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Lesson', 'learndash' ); break; case 'lessons': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Lessons', 'learndash' ); break; case 'topic': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Topic', 'learndash' ); break; case 'topics': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Topics', 'learndash' ); break; case 'quiz': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Quiz', 'learndash' ); break; case 'quizzes': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Quizzes', 'learndash' ); break; case 'question': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Question', 'learndash' ); break; case 'questions': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Questions', 'learndash' ); break; case 'button_take_this_course': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Take this Course', 'learndash' ); break; case 'button_mark_complete': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Mark Complete', 'learndash' ); break; case 'button_click_here_to_continue': $label = ! empty( $labels[ $key ] ) ? $labels[ $key ] : esc_html__( 'Click Here to Continue', 'learndash' ); break; default: $label = ''; } return apply_filters( 'learndash_get_label', $label, $key ); } /* * Get slug-ready string * * @param string $key Key name of setting field. * @return string Lowercase string / public static function label_to_lower( $key ) { $label = strtolower( self::get_label( $key ) ); return apply_filters( 'learndash_label_to_lower', $label, $key ); } /* * Get slug-ready string * * @param string $key Key name of setting field. * @return string Slug-ready string / public static function label_to_slug( $key ) { $label = sanitize_title( self::get_label( $key ) ); return apply_filters( 'label_to_slug', $label, $key ); } } add_action( 'plugins_loaded', function() { new LearnDash_Custom_Label(); } ); /* * Utility function to get a custom field label. * * @since 2.6.0 * @param string $field Field label to retreive. * @return string Field label. Empty of none found. / function learndash_get_custom_label( $field = '' ) { return LearnDash_Custom_Label::get_label( $field ); } /* * Utility function to get a custom field label lowercase. * * @since 2.6.0 * @param string $field Field label to retreive. * @return string Field label. Empty of none found. / function learndash_get_custom_label_lower( $field = '' ) { return LearnDash_Custom_Label::label_to_lower( $field ); } /* * Utility function to get a custom field label slug. * * @since 2.6.0 * @param string $field Field label to retreive. * @return string Field label. Empty of none found. / function learndash_get_custom_label_slug( $field = '' ) { return LearnDash_Custom_Label::label_to_slug( $field ); } /* * Get Course Step "Back to ..." label. * * @since 3.0.7 * @param string $step_post_type The post_type slug of the post to return label for. * @param boolean $plural True if the label should be the plural label. Default is false for single. * @return string label / function learndash_get_label_course_step_back( $step_post_type = 0, $plural = false ) { $step_label = ''; $post_type_object = get_post_type_object( $step_post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { switch( $step_post_type ) { case learndash_get_post_type_slug( 'course' ): if ( true === $plural ) { // translators: placeholder: Courses. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Courses', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Course. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Course', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'lesson' ): if ( true === $plural ) { // translators: placeholder: Lessons. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Lessons', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Lesson. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Lesson', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'topic' ): if ( true === $plural ) { // translators: placeholder: Topics. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Topics', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Topic. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Topic', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'quiz' ): if ( true === $plural ) { // translators: placeholder: Quizzes. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Quizzes', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Quiz. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Quiz', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'question' ): if ( true === $plural ) { // translators: placeholder: Questions. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Questions', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Question. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Question', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'transaction' ): if ( true === $plural ) { // translators: placeholder: Transactions. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Transactions', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Transaction. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Transaction', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'group' ): if ( true === $plural ) { // translators: placeholder: Groups. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Groups', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Group. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Group', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'assignment' ): if ( true === $plural ) { // translators: placeholder: Assignments. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Assignments', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Assignment. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Assignment', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'essay' ): if ( true === $plural ) { // translators: placeholder: Essays. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Essays', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Essay. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Essay', 'learndash' ), $post_type_object->labels->singular_name ); } break; case learndash_get_post_type_slug( 'certificate' ): if ( true === $plural ) { // translators: placeholder: Certificates. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Certificates', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Certificate. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Certificate', 'learndash' ), $post_type_object->labels->singular_name ); } break; default: if ( true === $plural ) { // translators: placeholder: Post Type Plural label. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Post Type Plural label', 'learndash' ), $post_type_object->labels->name ); } else { // translators: placeholder: Post Type Singular label. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Post Type Singular label', 'learndash' ), $post_type_object->labels->singular_name ); } break; } } else { // translators: placeholder: Post Type slug. $step_label = sprintf( esc_html_x( 'Back to %s', 'placeholder: Post Type slug', 'learndash' ), $step_post_type ); } return apply_filters( 'learndash_get_label_course_step_back' , $step_label, $step_post_type, $plural ); } /* * Get Course Step "Previous ..." label. * * @since 3.0.7 * @param string $step_post_type The post_type slug of the post to return label for. * @return string label / function learndash_get_label_course_step_previous( $step_post_type = 0 ) { $step_label = ''; $post_type_object = get_post_type_object( $step_post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { switch( $step_post_type ) { case learndash_get_post_type_slug( 'course' ): // translators: placeholder: Course. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Course', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'lesson' ): // translators: placeholder: Lesson. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Lesson', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'topic' ): // translators: placeholder: Topic. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Topic', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'quiz' ): // translators: placeholder: Quiz. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Quiz', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'question' ): // translators: placeholder: Question. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Question', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'transaction' ): // translators: placeholder: Transaction. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Transaction', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'group' ): // translators: placeholder: Group. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Group', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'assignment' ): // translators: placeholder: Assignment. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Assignment', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'essay' ): // translators: placeholder: Essay. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Essay', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'certificate' ): // translators: placeholder: Certificate. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Certificate', 'learndash' ), $post_type_object->labels->singular_name ); break; default: // translators: placeholder: Post Type Singular label. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Post Type Singular label', 'learndash' ), $post_type_object->labels->singular_name ); break; } } else { // translators: placeholder: Post Type slug. $step_label = sprintf( esc_html_x( 'Previous %s', 'placeholder: Post Type slug', 'learndash' ), $step_post_type ); } return apply_filters( 'learndash_get_label_course_step_previous', $step_label, $step_post_type ); } /* * Get Course Step "Next ..." label. * * @since 3.0.7 * @param string $step_post_type The post_type slug of the post to return label for. * @return string label / function learndash_get_label_course_step_next( $step_post_type = 0 ) { $step_label = ''; $post_type_object = get_post_type_object( $step_post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { switch( $step_post_type ) { case learndash_get_post_type_slug( 'course' ): // translators: placeholder: Course. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Course', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'lesson' ): // translators: placeholder: Lesson. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Lesson', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'topic' ): // translators: placeholder: Topic. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Topic', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'quiz' ): // translators: placeholder: Quiz. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Quiz', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'question' ): // translators: placeholder: Question. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Question', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'transaction' ): // translators: placeholder: Transaction. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Transaction', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'group' ): // translators: placeholder: Group. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Group', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'assignment' ): // translators: placeholder: Assignment. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Assignment', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'essay' ): // translators: placeholder: Essay. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Essay', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'certificate' ): // translators: placeholder: Certificate. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Certificate', 'learndash' ), $post_type_object->labels->singular_name ); break; default: // translators: placeholder: Post Type Singular label. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Post Type Singular label', 'learndash' ), $post_type_object->labels->singular_name ); break; } } else { // translators: placeholder: Post Type slug. $step_label = sprintf( esc_html_x( 'Next %s', 'placeholder: Post Type slug', 'learndash' ), $step_post_type ); } return apply_filters( 'learndash_get_label_course_step_next' , $step_label, $step_post_type ); } /* * Get Course Step "... Page" label. * * This is used on the Admin are when editing a post type. There is a return link in the top-left. * @since 3.0.7 * @param string $step_post_type The post_type slug of the post to return label for. * @return string label */ function learndash_get_label_course_step_page( $step_post_type = 0 ) { $step_label = ''; $post_type_object = get_post_type_object( $step_post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { switch( $step_post_type ) { case learndash_get_post_type_slug( 'course' ): // translators: placeholder: Course. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Course', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'lesson' ): // translators: placeholder: Lesson. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Lesson', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'topic' ): // translators: placeholder: Topic. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Topic', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'quiz' ): // translators: placeholder: Quiz. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Quiz', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'question' ): // translators: placeholder: Question. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Question', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'transaction' ): // translators: placeholder: Transaction. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Transaction', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'group' ): // translators: placeholder: Group. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Group', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'assignment' ): // translators: placeholder: Assignment. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Assignment', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'essay' ): // translators: placeholder: Essay. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Essay', 'learndash' ), $post_type_object->labels->singular_name ); break; case learndash_get_post_type_slug( 'certificate' ): // translators: placeholder: Certificate. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Certificate', 'learndash' ), $post_type_object->labels->singular_name ); break; default: $post_type_object = get_post_type_object( $step_post_type ); if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) { // translators: placeholder: Post Type Singular label. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Post Type Singular label', 'learndash' ), $post_type_object->labels->singular_name ); } break; } } else { // translators: placeholder: Post Type slug. $step_label = sprintf( esc_html_x( '%s page', 'placeholder: Post Type slug', 'learndash' ), $step_post_type ); } return apply_filters( 'learndash_get_label_course_step_page' , $step_label, $step_post_type ); }

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