得到服务器绝对路径的php代码
echo __file__  :
.__file__.
;
echo dirname(__file__)  : .dirname(__file__).
;
echo \$_server['document_root']:.$_server['document_root'].
;
echo \$_server['php_self'] : .$_server['php_self'].
;
echo dirname(\$_server['php_self']) :  .dirname($_server['php_self']).
;
echo .$_server['document_root'].dirname($_server['php_self']).
;
echo realpath('./') : .realpath('./').
;
$pathinfo = pathinfo(__file__);
echo pathinfo(__file__,pathinfo_dirname):.$pathinfo[dirname].
;
echo pathinfo(__file__,pathinfo_basename):.$pathinfo[basename].
;
echo pathinfo(__file__,pathinfo_extension]):.$pathinfo[extension].
;
echo ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++;