Move login button to separate template for reuse.

includes/admin/templates/login-button.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Suggest to login template
+ *
+ * @package Mailchimp
+ */
+
+$button_text = $login_button_text ?? __( 'Log in', 'mailchimp' );
+?>
+<button id="mailchimp_sf_oauth_connect" class="button mailchimp-sf-button">
+	<span class="mailchimp-sf-loading hidden">
+		<svg class="animate-spin" width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
+				<circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
+				<path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+		</svg>
+	</span>
+	<?php echo esc_html( $button_text ); ?>
+</button>
+<p class="mailchimp-sf-oauth-error error-field" style="display:none;"></p>
+<div id="mailchimp-sf-popup-blocked-modal" style="display:none;">
+	<p><?php esc_html_e( 'Please allow your browser to show popups for this page.', 'mailchimp' ); ?></p>
+</div>

includes/admin/templates/suggest-to-login.php

@@ -26,18 +26,9 @@
 			?>
 		</p>
 
-		<button id="mailchimp_sf_oauth_connect" class="button mailchimp-sf-button">
-			<span class="mailchimp-sf-loading hidden">
-				<svg class="animate-spin" width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
-						<circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-						<path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
-				</svg>
-			</span>
-			<?php esc_html_e( 'Log in', 'mailchimp' ); ?>
-		</button>
-		<p class="mailchimp-sf-oauth-error error-field" style="display:none;"></p>
-		<div id="mailchimp-sf-popup-blocked-modal" style="display:none;">
-			<p><?php esc_html_e( 'Please allow your browser to show popups for this page.', 'mailchimp' ); ?></p>
-		</div>
+		<?php
+		// Login button.
+		include_once MCSF_DIR . 'includes/admin/templates/login-button.php'; // phpcs:ignore PEAR.Files.IncludingFile.UseRequireOnce
+		?>
 	</div>
 </div>