PHP array functions

Array functions: Count: Returns the number of arrays explode: cut the string into an array join: CONCATENATE arrays into string array_values: Returns the value values in the array, forming a new array Array_keys: Returns the key value in the array, Make a new array Array_pop: Delete the last set of elements in the array list: assigns the values in the array to the corresponding variable next: The pointer in the array moves backward one prev: The pointer in the array moves forward one end: Select the last element in_array: Determine if a value exists in the array array_reverse: Inverse array

PHP array functions