<?php
 
	$parcelas=11;
 
	$segredo = (1 + $parcelas) * (($parcelas) / 2);
 
	$valor="R$ 1900,30";
 
        $preco=trim(str_replace("R$","",$valor));
        $decimal= substr($preco,(strlen($preco)-3),strlen($preco));
        $preco=(str_replace($decimal,"",$preco));
 
        for ($x = 1; $x <= ($parcelas-1); $x++) {
           $parcela = intval((($preco*$x)/$segredo));
           echo ("R$ ". number_format($parcela, 2, ',', '.'))."\n";
           $somatorio=$somatorio+$parcela;
		}
		$ultima=$preco-$somatorio;
        echo ("R$ ".($ultima.$decimal));

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