Php-Arrays function-array_shift-remove a unit starting with an array _ PHP Tutorial

Php-Arrays function-array_shift-removes a unit starting with an array. Array_shift () removes a unit starting with an array [function] This function will pop up and return a unit starting with an array. then, the length of the array will be reduced by one of the number keys to change from array_shift () removes a cell starting with an array.

[Function]
This function will pop up and return a unit at the beginning of the array, then the length of the array is reduced by one
All number keys will be counted from scratch.
If array is null or is not an array, null is returned.
Scope of use]
Php4, php5.
[Use]
Mixed array_shift (array & array)
Array/required/array to be processed by function
[Example]
[Php]
$ Array = array ('Orange ', 'banana', 'apple ');
Var_dump ($ array );
Var_dump (array_shift ($ array ));
Var_dump ($ array );
/*
Array (3 ){
[0] =>
String (6) "orange"
[1] =>
String (6) "banana"
[2] =>
String (5) "apple"
}
String (6) "orange"
Array (2 ){
[0] =>
String (6) "banana"
[1] =>
String (5) "apple"
}
*/

Taken from zuodefeng's note

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