Q22
What will be the output if we replace the line num = preg_grep(“/[0-5]/”, number); with num = preg_grep(“/[0-5]/”, number, PREG_GREP_INVERT);?
A.
Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)
B.
Array([2]=>two [3]=>three [4]=>four)
AnswerC.
Array([1]=> 1)
D.
Array([0]=>0 [5]=>5)
Answer: Option B
Solution
Answer: Option B
Solution:
When we include PREG_GREP_INVERT, this will invert our data, so instead of outputting numbers it will output our non-numeric values.