SELECT *
FROM lead_phones as ph
LEFT JOIN leads as ld ON ph.lead_id = ld.lead_id
GROUP BY ph.lead_id
LIMIT 40
var str = 'тест';
$.ajax({
url: 'http://' + window.location.host + '/search/test?str='+encodeURIComponent(str),
type : 'GET',
dataType: "json",
success: function(res){
console.log(res);
}
});