Add option sunflower_post_image_format

functions/options/class-sunflowersettingspage.php

@@ -107,6 +107,14 @@ public function sunflower_settings_page_init(): void {
 			'sunflower_theme_variant'
 		);
 
+		add_settings_field(
+			'sunflower_post_image_format',
+			__( 'Post Image Format', 'sunflower' ),
+			array( $this, 'sunflower_post_image_format_callback' ),
+			'sunflower-setting-admin',
+			'sunflower_theme_variant'
+		);
+
 		add_settings_field(
 			'sunflower_footer_layout',
 			__( 'Footer Color Variant', 'sunflower' ),
@@ -358,6 +366,29 @@ public function sunflower_color_scheme_callback(): void {
 		echo '</select>';
 	}
 
+	/**
+	 * Post image format variant field
+	 */
+	public function sunflower_post_image_format_callback(): void {
+		echo '<select id="sunflower_post_image_format" name="sunflower_options[sunflower_post_image_format]">';
+
+		$options = array(
+			array( 'modern', __( 'Modern', 'sunflower' ) ),
+			array( 'flexible', __( 'Flexible', 'sunflower' ) ),
+		);
+		foreach ( $options as $option ) {
+			$selected = ( isset( $this->options['sunflower_post_image_format'] ) && $this->options['sunflower_post_image_format'] === $option[0] ) ? 'selected' : '';
+			printf(
+				'<option value="%1$s" %2$s>%3$s</option>',
+				esc_attr( $option[0] ),
+				esc_attr( $selected ),
+				esc_attr( $option[1] )
+			);
+		}
+
+		echo '</select>';
+	}
+
 	/**
 	 * Footer layout variant field
 	 */

functions/update.php

@@ -88,6 +88,7 @@ function sunflower_maybe_run_theme_update() {
  */
 function sunflower_run_update_tasks( $from_version ) {
 
+	// Option sunflower_events_enabled was added in 2.2.15, so we need to enable it for users updating from a version older than that.
 	if ( version_compare( $from_version, '2.2.15', '<' ) ) {
 
 		$is_sunflower_events_enabled = sunflower_get_setting( 'sunflower_events_enabled' );
@@ -103,4 +104,12 @@ function sunflower_run_update_tasks( $from_version ) {
 		// Flush rewrite rules later on custom post registration.
 		update_option( 'sunflower_flush_rewrite_rules', 1 );
 	}
+
+	if ( version_compare( $from_version, '3.0.0', '<' ) ) {
+		// If updating from a version older than 3.0.0, set the default post image format to 'flexible'.
+
+		$sunflower_options                                = get_option( 'sunflower_options' );
+		$sunflower_options['sunflower_post_image_format'] = 'flexible';
+		update_option( 'sunflower_options', $sunflower_options );
+	}
 }