Today we are for beginners PHP array processing function array: Create a new array.
array_walk: Allows user-defined functions to process each element in the array.
arsort: Sort the values of the array from large to small.
asort: Sort the values of the array from small to large.
count: Count the number of elements in a variable or array.
current: Returns the current element in the array.
each: Returns the index and value of the next element in the array.
end: Point the internal pointer of the array to the last element.
key: Get the index data in the array.
PHP array processing function ksort: Sorts the elements of the array according to index.
list: List the values of elements in the array.
next: Move the internal pointer of the array backward.
pos: Returns the current element of the array.
prev: Move the internal pointer of the array forward.
range: Create an array of integer ranges.
reset: Point the array pointer to the first element of the array.
rsort: Sort the values of the array from large to small.
shuffle: Shuffle the order of the array.
sizeof: Get the size of the array.
sort: Sort the array.
uasort: Sort the array according to user-defined function.
uksort: Sort the index of the array according to the user-defined function.
PHP array processing function usort: sorts the values of the array according to a user-defined function.