Online PHP editor | output for sARlS

<?php function floor_dec($number,$precision = 2,$separator = '.') { $numberpart=explode($separator,$number); $numberpart[1]=substr_replace($numberpart[1],$separator,$precision,0); if($numberpart[0]>=0) { $numberpart[1]=substr(floor('1'.$numberpart[1]),1); } else { $numberpart[1]=substr(ceil('1'.$numberpart[1]),1); } $ceil_number= array($numberpart[0],$numberpart[1]); return implode($separator,$ceil_number); } echo floor_dec(0.78, 1, ".");