Thursday, April 18, 2013

Array Functions pada PHP 5

PHP 5 Array Functions

The PHP array functions are part of the PHP core. No installation is required to use these functions.
Function Description
array() Creates an array
array_change_key_case() Changes all keys in an array to lowercase or uppercase
array_chunk() Splits an array into chunks of arrays
array_combine() Creates an array by using the elements from one "keys" array and one "values" array
array_count_values() Counts all the values of an array
array_diff() Compare arrays, and returns the differences (compare values only)
array_diff_assoc() Compare arrays, and returns the differences (compare keys and values)
array_diff_key() Compare arrays, and returns the differences (compare keys only)
array_diff_uassoc() Compare arrays, and returns the differences (compare keys and values, using a user-defined key comparison function)
array_diff_ukey() Compare arrays, and returns the differences (compare keys only, using a user-defined key comparison function)
array_fill() Fills an array with values
array_fill_keys() Fills an array with values, specifying keys
array_filter() Filters the values of an array using a callback function
array_flip() Flips/Exchanges all keys with their associated values in an array
array_intersect() Compare arrays, and returns the matches (compare values only)
array_intersect_assoc() Compare arrays and returns the matches (compare keys and values)
array_intersect_key() Compare arrays, and returns the matches (compare keys only)
array_intersect_uassoc() Compare arrays, and returns the matches (compare keys and values, using a user-defined key comparison function)
array_intersect_ukey() Compare arrays, and returns the matches (compare keys only, using a user-defined key comparison function)
array_key_exists() Checks if the specified key exists in the array
array_keys() Returns all the keys of an array
array_map() Sends each value of an array to a user-made function, which returns new values
array_merge() Merges one or more arrays into one array
array_merge_recursive() Merges one or more arrays into one array
array_multisort() Sorts multiple or multi-dimensional arrays
array_pad() Inserts a specified number of items, with a specified value, to an array
array_pop() Deletes the last element of an array
array_product() Calculates the product of the values in an array
array_push() Inserts one or more elements to the end of an array
array_rand() Returns one or more random keys from an array
array_reduce() Returns an array as a string, using a user-defined function
array_replace() Replaces elements from passed arrays into the first array
array_replace_recursive() Replaces elements from passed arrays into the first array recursively
array_reverse() Returns an array in the reverse order
array_search() Searches an array for a given value and returns the key
array_shift() Removes the first element from an array, and returns the value of the removed element
array_slice() Returns selected parts of an array
array_splice() Removes and replaces specified elements of an array
array_sum() Returns the sum of the values in an array
array_udiff() Compares array values in a user-made function and returns an array
array_udiff_assoc() Compares array keys, and compares array values in a user-made function, and returns an array
array_udiff_uassoc() Compares array keys and array values in user-made functions, and returns an array
array_uintersect() Compares array values in a user-made function and returns an array
array_uintersect_assoc() Compares array keys, and compares array values in a user-made function, and returns an array
array_uintersect_uassoc() Compares array keys and array values in user-made functions, and returns an array
array_unique() Removes duplicate values from an array
array_unshift() Adds one or more elements to the beginning of an array
array_values() Returns all the values of an array
array_walk() Applies a user function to every member of an array
array_walk_recursive() Applies a user function recursively to every member of an array
arsort() Sorts an associative array in descending order, according to the value
asort() Sorts an associative array in ascending order, according to the value
compact() Create array containing variables and their values
count() Returns the number of elements in an array
current() Returns the current element in an array
each() Returns the current key and value pair from an array
end() Sets the internal pointer of an array to its last element
extract() Imports variables into the current symbol table from an array
in_array() Checks if a specified value exists in an array
key() Fetches a key from an array
krsort() Sorts an associative array in descending order, according to the key
ksort() Sorts an associative array in ascending order, according to the key
list() Assigns variables as if they were an array
natcasesort() Sorts an array using a case insensitive "natural order" algorithm
natsort() Sorts an array using a "natural order" algorithm
next() Advance the internal array pointer of an array
pos() Alias of current()
prev() Rewinds the internal array pointer
range() Creates an array containing a range of elements
reset() Sets the internal pointer of an array to its first element
rsort() Sorts an indexed array in descending order
shuffle() Shuffles an array
sizeof() Alias of count()
sort() Sorts an indexed array in ascending order
uasort() Sorts an array by values using a user-defined comparison function
uksort() Sorts an array by keys using a user-defined comparison function
usort() Sorts an array using a user-defined comparison function

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