Array (..) List (...) Range ($low, $high, $step)
Array_combine ($key _arr, $value _arr)Key+valuearray_merge ($arr 1, $arr 2..) Merge array same index append same key name overwrite array_merge_recursive ($arr 1, $arr 2 ...)Recursively merging arrays without overwriting the compact ("VarName" ...) Array extract ($arr) with the value of the variable To restore an array to multiple variables
Array_chunk ($arr, $size, False|true)Split array does not retain key| reserved Keyarray_count_values ($arr) Count the occurrences of each element
Array_fill ($start, $size, $value)Fill array array_pad ($arr, $size, $value) Fills an array to a specified length
Shuffle ($arr) Scrambled array Array_reverse ($arr) Flip Array array_flip ($arr) Swap the keys and values of an array
Array_rand ($arr, size) Randomly extracts a size element from an array array_slice ($arr, $offset, $length)Take an element of an array array_splice ($arr, $offset, $length, $replace)Replace/delete an element in an array array_unique ($arr) Move duplicate values in an array
Count ($arr) Number of elements ==sizeof ($arr)? Array_product ($arr) The product array_sum of an array ($arr) Array of and-------------------------------------------------------------------------------//subtraction and intersection Array_diff ($arr 1,$ Arr2..) Array difference set Array_udiff ($arr 1, $arr 2 ...) Use the callback function to compare the data to calculate the difference set of the array. ARRAY_DIFF_ASSOC ($arr 1, $arr 2..)Using the index to get the difference set ARRAY_UDIFF_ASSOC ($arr 1, $arr 2 ...)The index check calculates the difference set of the array and compares the data with the callback function. ARRAY_DIFF_UASSOC ($arr 1, $arr 2 ..., "Fun_name")The index is ARRAY_UDIFF_UASSOC with a callback function ($arr 1, $arr 2: "Fun_name")The index check calculates the difference set of the array, using the callback function to compare the data and the index. Array_diff_key ($arr 1, $arr 2..)Using the key name to get the difference set Array_diff_ukey ($arr 1, $arr 2, "Fun_name")Use the callback function to get the difference between the key names Array_intersect ($arr 1, $arr 2).Computes the intersection of an array. Array_uintersect ($arr 1, $arr 2..)Computes the intersection of an array and compares the data with a callback function. ARRAY_INTERSECT_ASSOC ($arr 1, $arr 2..)Compares the key name and the key value, and returns an array of two arrays of intersections. ARRAY_UINTERSECT_ASSOC ($arr 1, $arr 2..)With the index check to compute the intersection of the array, compare the data with the callback function. ARRAY_INTERSECT_UASSOC ($arr 1, $arr 2:, "Fun_name")//Index Check the intersection of the computed array, and use the callback function to compare the indexes. ARRAY_UINTERSECT_UASSOC ($arr 1, $arr 2:, "Fun_name")//with index check the intersection of the computed array, use the callback function to compare the data and index Array_intersect_key ($arr 1, $arr 2 ...)Computes the intersection of an array using the key name comparison. Array_intersect_ukey ($arr 1, $arr 2 ..., "Fun_name")Use the callback function to compare the key names to calculate the intersection of the arrays. -------------------------------------------------------------------------------//Elements Enter/Remove Array_push ($arr, ele ...) Array_pop ($arr) array_unshift ($arr, ele ...) Array_shift ($arr)-------------------------------------------------------------------------------//Custom Function Array_ Reduce ($arr, "Fun_name")Each element in a recursive array is given a value such as array_filter, product, etc. ($arr, "Fun_name")Using callback functions to filter array array_map ("Fun_name", $arr) Call function Array_walk ($arr, ' fun_name ') for each element Use the user function array_walk_recursive ($arr, ' fun_name ') for each memberRecursively use the user function for each member-------------------------------------------------------------------------------//pointer current ($arr ) Current value ==pos ($arr)? Next ($arr) Pointer move back prev ($arr) Pointer move forward end ($arr) The pointer moves to the last reset ($arr) The pointer moves to the first each ($arr) Returns the current Key-value pointer moves back-------------------------------------------------------------------------------//key and value Array_ Key_exists ($key, $arr) Whether the key name exists In_array ($value, $arr) Whether the value exists Array_search ($value, $arr) Returns the key name of the element key ($arr) The key name of the current value array_change_key_case ($arr, case_lower| Case_upper)Change the key name to small/uppercase Array_keys ($arr) Key an array group array_values ($arr) Array of values-------------------------------------------------------------------------------//Sort Array_multisort ($arr 1, $arr 2..)Sort multiple arrays or multidimensional arrays (SORT_ASC sort_desc sort_regular sort_numeric sort_string) sort ($arr) Array sort Rsort ($arr) Array inverse sort Natsort ($arr) Natural sort Natcasesort ($arr) Array is case-insensitive natural sort asort ($arr) Value sort Arsort ($arr) Value Reverse sort ksort ($arr) Key sort Krsort ($arr) Key reverse Sort usort ($arr) Custom array sort Uasort ($arr) Custom values Sort Uksort ($arr) Custom Key Sorting-------------------------------------------------------------------------------
