PHP array_shift(): Removing the First Element from an Array
array_shift() is a PHP function that removes the first element from an array, reindexes numeric keys, returns the removed value, and can be used with examples demonstrating its effect on a sample array and the resulting output.
Function: mixed array_shift(array &$array)
Description: The array_shift() function removes the first element from the given array, returns that element, reduces the array length by one, and reindexes numeric keys starting from zero while preserving string keys.
Parameter:
array – The input array.
Return value: The removed value, or NULL if the array is empty or not an array.
Example:
After calling array_shift() , the array $stack becomes:
Array
(
[0] => banana
[1] => apple
[2] => raspberry
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