Process

Got lock!

Warning: Undefined array key "t" in /var/www/html/phpkobo/research/php-basic/file-lock/file_get_contents/process.php on line 27

Deprecated: sleep(): Passing null to parameter #1 ($seconds) of type int is deprecated in /var/www/html/phpkobo/research/php-basic/file-lock/file_get_contents/process.php on line 27

Warning: Undefined array key "unlock" in /var/www/html/phpkobo/research/php-basic/file-lock/file_get_contents/process.php on line 28
Done!