CODEWITHSUNDEEP
phpdirname
Nanang El Sutra
Nanang El Sutra

Reputation: 485

PHP Get Basename of File Where Function Called

Anyone can help me get the basename of directory where the function called? I mean:

file /root/system/file_class.php

function find_file($dir, $file) {
    $all_file = scandir($dir);
    ....
}

function does_exist($file) {
    $pathinfo = pathinfo($file);
    $find = find_file($pathinfo["dirname"], $pathinfo["basename"]);
    return $find;
}

file /root/app/test.php

$is_exist = does_exist("config.php");

Under /root/app i have file "config.php, system.php". Do you know how to get the directory where does_exist() called? In function find_file() argument $dir is important, since scandir() function need directory path to scaned. I mean, when i want to check file config.php i doesn't need to write /root/app/config.php. If i not provide fullpath in $file argument, the $pathinfo["dirname"] will be ".". I've try to use dirname(__file__) in file_find() function but it's return the directory /root/system not /root/app where it is the directory of does_exist() function called.

I need create those function since i can't use file_exists() function.

Found Solutions:

I'm using debug_backtrace() to get the recent file and line number of where users calling function. For example:

function read_text($file = "") {
    if (!$file) {
        $last_debug = next(debug_backtrace());
        echo "Unable to call 'read_text()' in ".$last_debug['file']." at line ".$last_debug['line'].".";
    }
}

/home/index.php

16 $text = read_text();

The sample output: Unable to call 'read_text()' in /home/index.php at line 16.

Thanks.

Upvotes: 1

Views: 1220

Answers (1)

Daniel
Daniel

Reputation: 4946

Use any of PHP magic constants

__DIR__
__FILE__

http://php.net/manual/en/language.constants.predefined.php

Or use realpath("./");

To define your own constant paths:

define("MYPATH", realpath("./") . "/dir/dir/";

You can then call this MYPATH from everywhere this code (file) is included.

Upvotes: 1

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