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爲什麼它說「解析錯誤:語法錯誤,意外'print'(T_PRINT)...」?又一個「解析錯誤:語法錯誤,意外'回聲'(T_ECHO)」
<?php
//init
$pi = 3.14;
$radius = 15;
$theArea = 0;
//area = 2 pi R
$theArea = $pi * ($radius * $radius)
//output
print ("The area of a circle of radius ".$radius." is " . $theArea);
?>
',''後$ theArea = $ PI *($半徑* $半徑)' – Emz
謝謝!作品:) – TLK