PHP array functions use the example series -- remove the element function starting with the array array_shift

Mixedarray_shift (array & amp; $ array) function: removes elements starting with an array. description: array_shift () & nbsp; array & nbsp; remove the first unit of and return the result. the length of & nbsp; array & nbsp; is subtracted and all other units are moved one by one. All numeric keys

Mixed array_shift (array & $ array)

Function: Removes elements starting with an array from the array.

Description: Array_shift ()? Yes?Array? The first unit is removed and returned as a result?Array? And all other units are moved one by one. The names of all numeric keys are counted from scratch, and the names of text keys remain unchanged.

Input value: Array

Return value: Return the removed value. If?Array? Is null or is not an array?NULL.

Example:

 Array ('Hello'), 'World'); $ ele_1 = array_shift ($ test_arr); echo'
'; Print_r ($ ele_1); print_r ($ test_arr);?>
Running result:
Array (? ? [0] => hello) Array (? ? [0] => world)