How can the in_array function be utilized effectively in PHP code?

The in_array function in PHP can be used to check if a specific value exists in an array. This function can be utilized effectively by passing the value to be checked as the first argument and the array to be searched as the second argument. If the value is found in the array, the function will return true, otherwise it will return false. 

// Example usage of in_array function
$fruits = array("apple", "banana", "orange", "grape");
$search_value = "banana";

if (in_array($search_value, $fruits)) {
    echo "Found $search_value in the array!";
} else {
    echo "Did not find $search_value in the array.";
}

Keywords

in_array PHP function utilization code

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