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$arr = [1,2,3,4];
array_shift($arr);
print_r($arr); // [2,3,4]
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<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_shift($stack);
print_r($stack);
?>
// Array
// (
// [0] => banana
// [1] => apple
// [2] => raspberry
// )
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$array = [1, 2, 3, 4, 5];
array_shift($array);
print_r($array); // Output: [2, 3, 4, 5]