Funções de Matriz do PHP 5
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_column()
|
Returns the
values from a single column in the input array
|
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 recursively
|
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 the
values of the first array with the values from following arrays
|
array_replace_recursive()
|
Replaces the
values of the first array with the values from following arrays 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()
|
Compare
arrays, and returns the differences (compare values only, using a
user-defined key comparison function)
|
array_udiff_assoc()
|
Compare
arrays, and returns the differences (compare keys and values, using a
built-in function to compare the keys and a user-defined function to compare
the values)
|
array_udiff_uassoc()
|
Compare
arrays, and returns the differences (compare keys and values, using two
user-defined key comparison functions)
|
array_uintersect()
|
Compare
arrays, and returns the matches (compare values only, using a user-defined
key comparison function)
|
array_uintersect_assoc()
|
Compare
arrays, and returns the matches (compare keys and values, using a built-in
function to compare the keys and a user-defined function to compare the
values)
|
array_uintersect_uassoc()
|
Compare
arrays, and returns the matches (compare keys and values, using two
user-defined key comparison functions)
|
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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