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PHP MCQs

Which of the following is the best way to get the index(es) of the highest value(s) in an array?

$newarr=arsort($arr); $max_key=array_shift(array_keys($new_arr));

function max_key($array) { foreach ($array as $key => $val) { if ($val == max($array)) return $key; } }

$maxs = array_keys($array, max($array))

function array_max_key($array) { $max_key = -1; $max_val = -1; foreach ($array as $key => $value) { if ($value > $max_val) { $max_key = $key; $max_val = $value; } } return $max_key; }

Answer

Correct Answer: $maxs = array_keys($array, max($array))

Explanation:

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