1 <?php 2 $request = ‘00000000106.0f3 ‘; 3 //$request = ‘00000000106.03 ‘; 4 $temp = trim($request); 5 $value = (float) $temp; 6 if(is_float($value) && ($value.‘‘ == $temp)){ 7 echo ‘是的价格类型‘; 8 }else{ 9 echo ‘不是价格类型‘; 10 }

php 判断字符串是否可以转 浮点型