assertEquals($isExpectedMatch, Matcher::check($anagram, $word)); } public static function checkProvider(): array { return [ 'valid1' => [ "eamstoxil", "steam", true ], 'valid2' => [ "wordneoxs", "downers", true ], 'valid3' => [ "ioevpmoef", "movie", true ], 'invalid_basic' => [ "eamstoxil", "smear", false], 'invalid_double_e' => [ "eamstexil", "smear", false], ]; } }