is_Thursday.php

<?php
$a = '02/02/2018';
$b = '10/07/2018';
$atual = $a;
$dia = null;


while($atual != $b){
	$dia = DateTime::createFromFormat('d/m/Y', $atual)->format('D');
	if( $dia == 'Thu' ){
		echo "{$atual} é quinta<br>";
	}
	
	$atual = DateTime::createFromFormat('d/m/Y', $atual);
	$atual->add(new DateInterval('P1D'));
	$atual = $atual->format('d/m/Y');
}