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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']) but that doesn't work always either...
Is there a way to check this that will work in all OS's/environments?
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Check if a PHP script is already running If you have long running batch processes with PHP that are run by cron and you want to ensure there's only ever one running copy of the script, you can use the functions getmypid() and posix_kill() to check to see if you already have a copy of the process running.
There are two variables you can use while writing command line applications with PHP: $argc and $argv. The first is the number of arguments plus one (the name of the script running). The second is an array containing the arguments, starting with the script name as number zero ($argv[0]).
PHP's Command Line Interface (CLI) allows you to execute PHP scripts when logged in to your server through SSH. ServerPilot installs multiple versions of PHP on your server so there are multiple PHP executables available to run.
Yes, we can create a command-line PHP script as we do for web script, but with few little tweaks. We won't be using any kind of HTML tags in command-line scripting, as the output is not going to be rendered in a web browser, but displayed in the DOS prompt / Shell prompt.
Use php_sapi_name()
Returns a lowercase string that describes the type of interface (the Server API, SAPI) that PHP is using. For example, in CLI PHP this string will be "cli" whereas with Apache it may have several different values depending on the exact SAPI used.
For example:
$isCLI = (php_sapi_name() == 'cli'); You can also use the constant PHP_SAPI
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