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function is not described

wp_dashboard_php_nag() WP 5.1.0

Displays the PHP update nag.

No Hooks.

Return

null. Nothing.

Usage

wp_dashboard_php_nag();

Changelog

Since 5.1.0 Introduced.

Code of wp_dashboard_php_nag() WP 5.8.2

<?php
function wp_dashboard_php_nag() {
	$response = wp_check_php_version();

	if ( ! $response ) {
		return;
	}

	if ( isset( $response['is_secure'] ) && ! $response['is_secure'] ) {
		$msg = sprintf(
			/* translators: %s: The server PHP version. */
			__( 'Your site is running an insecure version of PHP (%s), which should be updated.' ),
			PHP_VERSION
		);
	} else {
		$msg = sprintf(
			/* translators: %s: The server PHP version. */
			__( 'Your site is running an outdated version of PHP (%s), which should be updated.' ),
			PHP_VERSION
		);
	}
	?>
	<p><?php echo $msg; ?></p>

	<h3><?php _e( 'What is PHP and how does it affect my site?' ); ?></h3>
	<p>
		<?php
		printf(
			/* translators: %s: The minimum recommended PHP version. */
			__( 'PHP is the programming language used to build and maintain WordPress. Newer versions of PHP are created with increased performance in mind, so you may see a positive effect on your site&#8217;s performance. The minimum recommended version of PHP is %s.' ),
			$response ? $response['recommended_version'] : ''
		);
		?>
	</p>

	<p class="button-container">
		<?php
		printf(
			'<a class="button button-primary" href="%1$s" target="_blank" rel="noopener">%2$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: Accessibility text. */
			__( '(opens in a new tab)' )
		);
		?>
	</p>
	<?php

	wp_update_php_annotation();
	wp_direct_php_update_button();
}