(PHP 5 >= 5.3.0, PHP 7)
gethostname — Gets the host name
gethostname ( ) : string
gethostname() gets the standard host name for the local machine.
Returns a string with the hostname on success, otherwise false
is returned.
Example #1 A simple gethostname() example
<?php echo gethostname(); // may output e.g,: sandie // Or, an option that also works before PHP 5.3 echo php_uname('n'); // may output e.g,: sandie ?>
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https://www.php.net/manual/en/function.gethostname.php