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

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

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