PHP预定义恒量_FILE_
PHP预定义常量__FILE__
目录结构:
--F:\website\webgis\index.php
测试代码:index.php
echo "<br>测试输出__FILE__";echo "<br>".__FILE__;echo "<br>".dirname(__FILE__);
输出结果:
测试输出__FILE__
F:\website\webgis\index.php
F:\website\webgis
总结:__FILE__输出当前文件的路径。include(index.php)情况下,输出的路径也是F:\website\webgis\index.php。

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