laipower/wp-content/plugins/w3-total-cache/inc/options/edd/buy.php

<?php
/**
 * File: buy.php
 *
 * @package W3TC
 */

namespace W3TC;

if ( ! defined( 'W3TC' ) ) {
	die();
}

?>
<div>
	<?php
	echo wp_kses(
		sprintf(
			// translators: 1 HTML a link to buy plugin.
			__(
				'Unlock more speed, %1$s now!',
				'w3-total-cache'
			),
			'<input type="button" class="button-primary button-buy-plugin" data-src="' . esc_attr( 'page_' . $page ) . '" value="' . esc_attr( __( 'upgrade', 'w3-total-cache' ) ) . '" />'
		),
		array(
			'input' => array(
				'type'     => array(),
				'class'    => array(),
				'data-src' => array(),
				'value'    => array(),
			),
		)
	);
	?>
	<div id="w3tc-license-instruction" style="display: none;">
		<p class="description">
			<?php
			echo wp_kses(
				sprintf(
					// translators: 1 HTML a tag to W3TC licencing page.
					__(
						'Please enter the license key you received after successful checkout %1$s.',
						'w3-total-cache'
					),
					'<a href="' . esc_url( network_admin_url( 'admin.php?page=w3tc_general#licensing' ) ) . '">' . esc_html( __( 'here', 'w3-total-cache' ) ) . '</a>'
				),
				array(
					'a' => array(
						'href' => array(),
					),
				)
			);
			?>
		</p>
	</div>
</div>