PHP Regular Expressions
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);?

Array([0]=>0 [5]=>5)
Array([2]=>two [3]=>three [4]=>four)
Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)
Array([1]=> 1)

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PHP Regular Expressions
What will be the output of the following PHP code?
$str = "Hello! My name is Cameron Fox. Coffee?";
$find = array('/is/','/coffee/');
$replace = array('/was/','/tea/');
echo preg_replace ($find, $replace, $str);

Hello! My name is Cameron Fox. Coffee?
Hello! My name was Cameron Fox. tea?
Hello! My name was Cameron Fox. Coffee?
Hello! My name is Cameron Fox. tea?

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PHP Regular Expressions
What will be the output of the following PHP code?
$line = "You like dogs. I hate dogs. We should marry."
$sen = preg_split('/./', $line);
print_r($sen);

You like dogs. I hate dogs. We should marry.
Array([0]=>You like dogs. I hate dogs. We should marry.)
Array([0]=>You like dogs. [1]=>I hate dogs. [2]=>We should marry.)
Error

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