array_shift php function
array_shift — Shift an element off the beginning of array
Description
array_shift(array &$array): mixed
array_shift() shifts the first value of the array off and returns it, shortening the array by one element and moving everything down. All numerical array keys will be modified to start counting from zero while literal keys won't be affected.
Note: This function will reset() the array pointer of the input array after use.
Parameters
array
The input array.
Return Values
Returns the shifted value, or null if array is empty or is not an array.
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