PHP7从入门到精通
代码
<?php $float1=54.66; echo $float1; //输出54.66 echo "<br>"; $f2 = 2.4e3; echo $f2; //输出2400 echo "<br>"; $f3 = 8E-5; echo $f3; //输出8.0E-5 var_dump($f3); //输出float(8.0E-5) ?>
输出结果