PHP Regular Expressions
What will be the output of the following PHP code?
$foods = array("pasta", "steak", "fish", "potatoes");
$food = preg_grep("/^s/", $foods);
print_r($food);

Array ( [0] => potatoes )
Array ( [1] => steak )
Array ( [3] => potatoes )
Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )

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PHP Regular Expressions
POSIX stands for

Portative Operating System Interface for Linux
Portative Operating System Interface for Unix
Portable Operating System Interface for Linux
Portable Operating System Interface for Unix

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

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