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function wp_dashboard_php_nag() {
	$response = wp_check_php_version();

	if ( ! $response ) {
		return;
	}

	if ( isset( $response['is_secure'] ) && ! $response['is_secure'] ) {
		// The `is_secure` array key name doesn't actually imply this is a secure version of PHP. It only means it receives security updates.

		if ( $response['is_lower_than_future_minimum'] ) {
			$message = sprintf(
				/* translators: %s: The server PHP version. */
				__( 'Your site is running on an outdated version of PHP (%s), which does not receive security updates and soon will not be supported by WordPress. Ensure that PHP is updated on your server as soon as possible. Otherwise you will not be able to upgrade WordPress.' ),
				PHP_VERSION
			);
		} else {
			$message = sprintf(
				/* translators: %s: The server PHP version. */
				__( 'Your site is running on an outdated version of PHP (%s), which does not receive security updates. It should be updated.' ),
				PHP_VERSION
			);
		}
	} elseif ( $response['is_lower_than_future_minimum'] ) {
		$message = sprintf(
			/* translators: %s: The server PHP version. */
			__( 'Your site is running on an outdated version of PHP (%s), which soon will not be supported by WordPress. Ensure that PHP is updated on your server as soon as possible. Otherwise you will not be able to upgrade WordPress.' ),
			PHP_VERSION
		);
	} else {
		$message = sprintf(
			/* translators: %s: The server PHP version. */
			__( 'Your site is running on an outdated version of PHP (%s), which should be updated.' ),
			PHP_VERSION
		);
	}
	?>
	<p class="bigger-bolder-text"><?php echo $message; ?></p>

	<p><?php _e( 'What is PHP and how does it affect my site?' ); ?></p>
	<p>
		<?php _e( 'PHP is one of the programming languages used to build WordPress. Newer versions of PHP receive regular security updates and may increase your site&#8217;s performance.' ); ?>
		<?php
		if ( ! empty( $response['recommended_version'] ) ) {
			printf(
				/* translators: %s: The minimum recommended PHP version. */
				__( 'The minimum recommended version of PHP is %s.' ),
				$response['recommended_version']
			);
		}
		?>
	</p>

	<p class="button-container">
		<?php
		printf(
			'<a class="button button-primary" href="%1$s" target="_blank">%2$s<span class="screen-reader-text"> %3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>',
			esc_url( wp_get_update_php_url() ),
			__( 'Learn more about updating PHP' ),
			/* translators: Hidden accessibility text. */
			__( '(opens in a new tab)' )
		);
		?>
	</p>
	<?php

	wp_update_php_annotation();
	wp_direct_php_update_button();
}