Category Archives: PHP

example of wordpress user query with meta key and value

$user_query = new WP_User_Query( array( 'meta_key' => 'round', 'meta_value' => get_the_author_meta('round', $queried_auther->ID) ) );
$args = array(
	'meta_query' => array(
		'relation' => 'AND',
		0 => array(
			'key'     => 'round',
			'value'   => get_the_author_meta('round', $queried_auther->ID),
			'compare' => '='
		),
		1 => array(
			'key'     => 'Time',
			'value'   => 0,
			'type'    => 'numeric',
			'compare' => '>'
		)
	),
	'meta_key' => 'Time',
    'orderby'   => 'meta_value_num',
	'order' => 'DESC',
	'fields' => 'ID'
 );

 

php get time difference by milliseconds

this is a function that calculates the difference between two times with milliseconds. i built it for a racing website to compare drivers.

function find_time_diff($t1, $t2, $ms=false) {
    $time1_pcs = explode(":", $t1);
	$time1_pcs2 = explode(".", $time1_pcs[2]);
	
    $time2_pcs = explode(":", $t2);
	$time2_pcs2 = explode(".", $time2_pcs[2]);
	
	$time1_all_ms = ($time1_pcs[0] * 60 * 60 * 1000) + ($time1_pcs[1] * 60 * 1000) + ($time1_pcs2[0] * 1000) + $time1_pcs2[1];
	$time2_all_ms = ($time2_pcs[0] * 60 * 60 * 1000) + ($time2_pcs[1] * 60 * 1000) + ($time2_pcs2[0] * 1000) + $time2_pcs2[1];
	$time1_all_ms_dif = $time2_all_ms - $time1_all_ms;
if($ms){
return $time1_all_ms_dif;
}
else{
	$dif_ms = $time1_all_ms_dif % 1000;
	$time1_all_ms_dif = floor($time1_all_ms_dif / 1000);

	$dif_s = $time1_all_ms_dif % 60;
	$time1_all_ms_dif = floor($time1_all_ms_dif / 60);

	$dif_m = $time1_all_ms_dif % 60;
	$time1_all_ms_dif = floor($time1_all_ms_dif / 60); 
	$dif_h = $time1_all_ms_dif % 60;

	return $dif_h.':'.$dif_m.':'.$dif_s.'.'.$dif_ms;
	}
}