php-array-functions
PHP Array Functions
The array functions allow you to access and manipulate arrays.
Few Important functions: is_array(), explode(), implode(), preg_split(), and unset().
| Sr no | Function | Feature |
| 1 | array_change_key_case | Changes the case of all keys in an array |
| 2 | array_chunk | Split an array into chunks |
| 3 | array_column | Return the values from a single column in the input array |
| 4 | array_combine | Creates an array by using one array for keys and another for its values |
| 5 | array_count_values | Counts all the values of an array |
| 6 | array_diff_assoc | Computes the difference of arrays with additional index check |
| 7 | array_diff_key | Computes the difference of arrays using keys for comparison |
| 8 | array_diff_uassoc | Computes the difference of arrays with additional index check which is performed by a user supplied callback function |
| 9 | array_diff_ukey | Computes the difference of arrays using a callback function on the keys for comparison |
| 10 | array_diff | Computes the difference of arrays |
| 11 | array_fill_keys | Fill an array with values, specifying keys |
| 12 | array_fill | Fill an array with values |
| 13 | array_filter | Filters elements of an array using a callback function |
| 14 | array_flip | Exchanges all keys with their associated values in an array |
| 15 | array_intersect_assoc | Computes the intersection of arrays with additional index check |
| 16 | array_intersect_key | Computes the intersection of arrays using keys for comparison |
| 17 | array_intersect_uassoc | Computes the intersection of arrays with additional index check, compares indexes by a callback function |
| 18 | array_intersect_ukey | Computes the intersection of arrays using a callback function on the keys for comparison |
| 19 | array_intersect | Computes the intersection of arrays |
| 20 | array_is_list | Checks whether a given array is a list |
| 21 | array_key_exists | Checks if the given key or index exists in the array |
| 22 | array_key_first | Gets the first key of an array |
| 23 | array_key_last | Gets the last key of an array |
| 24 | array_keys | Return all the keys or a subset of the keys of an array |
| 25 | array_map | Applies the callback to the elements of the given arrays |
| 26 | array_merge_recursive | Merge one or more arrays recursively |
| 27 | array_merge | Merge one or more arrays |
| 28 | array_multisort | Sort multiple or multi-dimensional arrays |
| 29 | array_pad | Pad array to the specified length with a value |
| 30 | array_pop | Pop the element off the end of array |
| 31 | array_product | Calculate the product of values in an array |
| 32 | array_push | Push one or more elements onto the end of array |
| 33 | array_rand | Pick one or more random keys out of an array |
| 34 | array_reduce | Iteratively reduce the array to a single value using a callback function |
| 35 | array_replace_recursive | Replaces elements from passed arrays into the first array recursively |
| 36 | array_replace | Replaces elements from passed arrays into the first array |
| 37 | array_reverse | Return an array with elements in reverse order |
| 38 | array_search | Searches the array for a given value and returns the first corresponding key if successful |
| 39 | array_shift | Shift an element off the beginning of array |
| 40 | array_slice | Extract a slice of the array |
| 41 | array_splice | Remove a portion of the array and replace it with something else |
| 42 | array_sum | Calculate the sum of values in an array |
| 43 | array_udiff_assoc | Computes the difference of arrays with additional index check, compares data by a callback function |
| 44 | array_udiff_uassoc | Computes the difference of arrays with additional index check, compares data and indexes by a callback function |
| 45 | array_udiff | Computes the difference of arrays by using a callback function for data comparison |
| 46 | array_uintersect_assoc | Computes the intersection of arrays with additional index check, compares data by a callback function |
| 47 | array_uintersect_uassoc | Computes the intersection of arrays with additional index check, compares data and indexes by separate callback functions |
| 48 | array_uintersect | Computes the intersection of arrays, compares data by a callback function |
| 49 | array_unique | Removes duplicate values from an array |
| 50 | array_unshift | Prepend one or more elements to the beginning of an array |
| 51 | array_values | Return all the values of an array |
| 52 | array_walk_recursive | Apply a user function recursively to every member of an array |
| 53 | array_walk | Apply a user supplied function to every member of an array |
| 54 | array | Create an array |
| 55 | arsort | Sort an array in descending order and maintain index association |
| 56 | asort | Sort an array in ascending order and maintain index association |
| 57 | compact | Create array containing variables and their values |
| 58 | count | Counts all elements in an array or in a Countable object |
| 59 | current | Return the current element in an array |
| 60 | each | Return the current key and value pair from an array and advance the array cursor |
| 61 | end | Set the internal pointer of an array to its last element |
| 62 | extract | Import variables into the current symbol table from an array |
| 63 | in_array | Checks if a value exists in an array |
| 64 | key_exists | Alias of array_key_exists |
| 65 | key | Fetch a key from an array |
| 66 | krsort | Sort an array by key in descending order |
| 67 | ksort | Sort an array by key in ascending order |
| 68 | list | Assign variables as if they were an array |
| 69 | natcasesort | Sort an array using a case insensitive "natural order" algorithm |
| 70 | natsort | Sort an array using a "natural order" algorithm |
| 71 | next | Advance the internal pointer of an array |
| 72 | pos | Alias of current |
| 73 | prev | Rewind the internal array pointer |
| 74 | range | Create an array containing a range of elements |
| 75 | reset | Set the internal pointer of an array to its first element |
| 76 | rsort | Sort an array in descending order |
| 77 | shuffle | Shuffle an array |
| 78 | sizeof | Alias of count |
| 79 | sort | Sort an array in ascending order |
| 80 | uasort | Sort an array with a user-defined comparison function and maintain index association |
| 81 | uksort | Sort an array by keys using a user-defined comparison function |
| 82 | usort | Sort an array by values using a user-defined comparison function |
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