[請益] 關於PHP上傳圖檔
大家好,想請教一個問題,
最近在學習怎麼上傳圖檔到網頁上,
有段程式碼無法理解。
<?php
...
/* define('GW_UPLOADPATH', 'images/')
$screenshot = $_FILES['screenshot']['name']*/
echo '<img src="' . GW_UPLOADPATH . $screenshot . '" alt="score image"/>;
...
?>
請問一下,
為什麼img這裡的程式碼是
img src="' . GW_UPLOADPATH . $screenshot . '"
而不是
img src=" GW_UPLOADPATH . $screenshot "
img src=”…”是html的語法,
但不太懂GW_UPLOADPATH . $screenshot的前後加上句點與單引號的用意。
謝謝~
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※ 文章網址: https://www.ptt.cc/bbs/PHP/M.1450841721.A.466.html
※ 編輯: vu0ru043 (27.243.10.205), 12/23/2015 11:36:36
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