PHP array functions
PHP array functions are part of the core. No installation needed to use these functions
| Function name | description |
|---|---|
| array_change_key_case | All keys array changed to lowercase or all uppercase |
| array_chunk | The array is divided into a plurality of |
| array_column | Returns an array specified |
| array_combine | Create an array with the values of an array as its key name, the value of another array as its value |
| array_count_values | Statistics array of all the values |
| array_diff_assoc | Check the calculated difference with a set index array |
| array_diff_key | Comparing the calculated difference using the keys of arrays |
| array_diff_uassoc | Callback function with the user supplied check, and the difference of arrays |
| array_diff_ukey | Comparing the calculated difference of arrays using a callback function to the keys |
| array_diff | Calculating a difference set arrays |
| array_fill_keys | The specified key value and fill an array |
| array_fill | Filled with a given array of values |
| array_filter | Using a callback function units filter array |
| array_flip | Exchange of keys and values in the array |
| array_intersect_assoc | Check the calculated intersection indexed arrays |
| array_intersect_key | Using keys for comparison computing the intersection of arrays |
| array_intersect_uassoc | Check the calculated intersection indexed arrays, comparison index using a callback function |
| array_intersect_ukey | Using a callback function that compares keys to calculate the intersection of arrays |
| array_intersect | Computes the intersection of arrays |
| array_key_exists | Check the array if there is a specified key or index |
| array_key_first | Gets the first key of an array |
| array_key_last | Gets the last key of an array |
| array_keys | Returns an array of part or all of the keys |
| array_map | Application callback function for each element of the array |
| array_merge_recursive | Recursively merging one or more arrays |
| array_merge | Incorporating one or more arrays |
| array_multisort | Multiple arrays or multidimensional array sort |
| array_pad | To specify the length of the array into a filling value |
| array_pop | Pop last cell array (the stack) |
| array_product | The product of all the values in the array |
| array_push | One or more elements onto the end of an array (stack) |
| array_rand | One or more elements taken randomly from the array |
| array_reduce | Iteratively reduce the array to a single value using a callback function |
| array_replace_recursive | Using the passed array recursively replace the first element of the array |
| array_replace | A first transfer element array using an array of alternative |
| array_reverse | Returns the reverse order array element |
| array_search | Search for a given value in the array, if successful, the first name of the corresponding key is returned |
| array_shift | The beginning of the array out of the array element |
| array_slice | Removed from the array section |
| array_splice | Removing a portion of the array and replace it with something else |
| array_sum | Sum of all values in the array |
| array_udiff_assoc | Check the calculated difference between the set indexed array, comparison data with a callback function |
| array_udiff_uassoc | Check the index calculated with the difference of arrays, and the comparison data with a callback function index |
| array_udiff | Comparative data with a callback function to calculate the difference of arrays |
| array_uintersect_assoc | Check the index calculated with the intersection of arrays, compares data by a callback function |
| array_uintersect_uassoc | Check the calculated intersection indexed arrays, with the individual data and the index comparing callback |
| array_uintersect | Computing the intersection of arrays, compares data by a callback function |
| array_unique | Removing duplicate values in array |
| array_unshift | Insertion of one or more units at the beginning of the array |
| array_values | Return all the values in the array |
| array_walk_recursive | Each member of an array Apply a user function recursively |
| array_walk | User-defined function to do a callback handler to each element in the array |
| array | Create an array |
| arsort | An array in reverse order and maintain index association |
| asort | Sort an array and maintain index association |
| compact | Create array containing variables and their values |
| count | Calculating the number of cells in the array, the number of the object or attributes |
| current | 返回数组中的当前单元 |
| end | 将数组的内部指针指向最后一个单元 |
| extract | 从数组中将变量导入到当前的符号表 |
| in_array | 检查数组中是否存在某个值 |
| key_exists | 别名 array_key_exists |
| key | 从关联数组中取得键名 |
| krsort | 对数组按照键名逆向排序 |
| ksort | 对数组按照键名排序 |
| list | 把数组中的值赋给一组变量 |
| natcasesort | 用“自然排序”算法对数组进行不区分大小写字母的排序 |
| natsort | 用“自然排序”算法对数组排序 |
| next | 将数组中的内部指针向前移动一位 |
| pos | current 的别名 |
| prev | 将数组的内部指针倒回一位 |
| range | 根据范围创建数组，包含指定的元素 |
| reset | 将数组的内部指针指向第一个单元 |
| rsort | 对数组逆向排序 |
| shuffle | 打乱数组 |
| sizeof | count 的别名 |
| sort | 对数组排序 |
| uasort | 使用用户自定义的比较函数对数组中的值进行排序并保持索引关联 |
| uksort | 使用用户自定义的比较函数对数组中的键名进行排序 |
| usort | 使用用户自定义的比较函数对数组中的值进行排序 |