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The difference between array pointer and pointer array

Array pointers and pointer arrays can be converted to each other in some cases, but they are not essentially the same. An array pointer is a pointer that points to the first element of an array; an array of pointers is an array in which each element is a pointer.

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What is the difference between array pointer and pointer array The difference: the pointer array itself is an array, and the elements of the array are pointers, that is, the array stores pointers, and the number of bytes occupied by the array is determined by the array itself; and the array pointer itself is a pointer, which points to an array, that is, it is A pointer to an array always occupies 4 bytes on a 32-bit system.
What is the use of php array pointers? PHP array pointers are used to operate arrays. The array pointer is the internal organization mechanism of the array. Each array has an internal pointer pointing to its "current" unit (element). This pointer initially points to the first unit in the current array; by moving or changing the array pointer position, you can access any element in the array. PHP provides multiple built-in functions for controlling array pointers: current(), pos(), key(), next(), prev(), end(), reset().
php each returns the current key-value pair in the array and moves the array pointer forward one step The php each function is used to obtain the key-value pairs of the array and move the array pointer one step forward. The each function is often used in conjunction with list to traverse the array. This article introduces you to the basic use of each. Friends who need it can refer to it.
Detailed explanation of array pointer operation in PHP This article mainly introduces PHP array pointer operations. It has a very good reference value. Let’s take a look at it with the editor.
Detailed explanation of array pointers in php This article mainly shares with you the detailed explanation of array pointers in PHP. First, we will share with you the operation methods of PHP array pointers. We hope it can help you.

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