Write a simple PHP Setup folder code, _php tutorial

Write a simple PHP Setup folder code,

The main first gets the path of the current directory, and then determines whether the folder exists and does not exist to create.

<?phpdefine (' Dir_root ', str_replace (' \ \ ', '/', dirname (__file__)));//Gets the current file physical path $tmp_file_path = dir_root. ' /tmp/';//Add the path to the TMP directory under the root directory if (Is_dir ($tmp _file_path)) echo "Tmp folder exists! "; Else{mkdir ($tmp _file_path, 0700);//If the TMP directory does not exist, then establish the echo" TMP folder does not exist, try to build success!
";//did not detect whether the establishment was successful echo" TMP directory is ". $tmp _file_path;}? >

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