Display covid-19 data with the shortcode.

covid-19.php

/**
 * Display covid-19 data with the shortcode.
 *
 * Usage [covid19_data country="all"]
 * 
 * @see http://sanjeebaryal.com.np/display-covid-19-data-in-your-site-without-plugin/.
 *
 * @param  array $atts Attributes to the shortcode.
 * 
 * @return string.
 */
function covid19_data( $atts ) {

	$country  =  ! isset( $atts['country'] ) || $atts['country'] === 'all' ? '' : $atts['country'];
	$api_call = 'https://corona.lmao.ninja/countries/'.$country;

	$data 		= wp_remote_get( $api_call );
	$code 		= wp_remote_retrieve_response_code( $data );
	$body 		= wp_remote_retrieve_body( $data );
	$result 	= json_decode( $body );

	ob_start();

	echo '<table class="covid19-data-entries">';
        echo '<thead><tr>';
    	echo '<td>Country</td>';
    	echo '<td>Cases</td>'; 
    	echo '<td>Today Cases</td>'; 
    	echo '<td>Deaths</td>'; 
    	echo '<td>Today Deaths</td>';
	echo '<td>Recovered</td>'; 
	echo '<td>Active</td>'; 
	echo '<td>Critical</td>'; 
	echo '<td>Cases Per One Million</td>'; 
	echo '<td>Deaths Per One Million</td>';
	echo '</tr></thead>';


	if ( ! empty( $country ) ) {
    		$result = array( $result );
    	}

	    foreach( $result as $res ) {

		echo '<tbody><tr>';
		echo '<td>'. $res->country . '</td>';
		echo '<td>'. $res->cases . '</td>';
		echo '<td>'. $res->todayCases . '</td>';
		echo '<td>'. $res->deaths . '</td>';
		echo '<td>'. $res->todayDeaths . '</td>'; 
		echo '<td>'. $res->recovered . '</td>'; 
		echo '<td>'. $res->active . '</td>'; 
		echo '<td>'. $res->critical . '</td>'; 
		echo '<td>'. $res->casesPerOneMillion . '</td>'; 
		echo '<td>'. $res->deathsPerOneMillion . '</td>'; 
		echo '</tr></tbody>';
	    }

	    echo '</table>';

	   return ob_get_clean();
}

add_shortcode( 'covid19_data', 'covid19_data');