List of steps to reproduce (step by step, including full links if applicable):
use AhoCorasick\MultiStringMatcher; $keywords = new MultiStringMatcher( array( '999' ) ); $keywords->searchIn( 'abcdef 999' );
What happens?:
The code throws a warning and an empty array is returned:
PHP Warning: Trying to access array offset on value of type int
What should have happened instead?:
An array with the found string should have been returned with no warnings.
Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc.:
This happens using the current master branch of AhoCorasick.