How to check with PHP if the script is being run from the console or browser request?

Question

I tried things like $_ENV[\'CLIENTNAME\'] == \'Console\' but that seems to work on only certain OS\'s (worked in windows, not linux).

I tried !empty($_ENV[\'SHELL\']) b

Answer 1

if ($argc > 0) {
    // Command line was used
} else {
    // Browser was used
}

$argc coounts the amount of arguments passed to the command line. Simply using php page.php, $argc will return 1

Calling page.php with a browser, $argc will return NULL