PHP array functions

Functions Description
array_change_key_case Changes all keys in an array
array_chunk Split an array into chunks
array_combine Creates a new array by using one array for keys and another for its values
array_count_values Count all the values of an array
array_diff_assoc Computes all difference of arrays with additional index check
array_diff_key Computes the difference of arrays using keys for comparison
array_diff_uassoc Compute the difference of arrays with additional index check which is performed by a user supplied callback function
array_diff_ukey Compute the difference of arrays using a callback function on the keys for comparison
array_diff Computes the difference of arrays
array_fill_keys Fill an array with values, specifying keys
array_fill Fill an array with values
array_filter Filter elements of an array using a callback function
array_flip Exchanges all keys with their associated values in an array
array_intersect_assoc Computes the intersection of arrays with additional index check
array_intersect_key Computes the intersection of arrays using keys for comparison
array_intersect_uassoc Compute the intersection of arrays with additional index check, compares indexes by a callback function
array_intersect_ukey Compute the intersection of arrays using a callback function on the keys for comparison
array_intersect Computes the intersection of arrays
array_key_exists Checks if the given key or index exists in the array
array_keys Return all the keys or a subset of the keys of an array
array_map Applies the callback to the elements of the given arrays
array_merge_recursive Merge two or more arrays recursively
array_merge Merge one or more arrays
array_multisort Sort multiple or multi-dimensional arrays
array_pad Pad array to the specified length with a value
array_pop Removes the element at the end of the array or pop the element off the end of array
array_product Calculate the product of values in an array
array_push Push one or more elements onto the end of array
array_rand Pick one or more random entries out of an array
array_reduce Iteratively reduce the array to a single value using a callback function
array_replace_recursive Replaces elements from passed arrays into the first array recursively
array_replace Replace elements from passed arrays into the first array
array_reverse Return an array with elements in reverse order
array_search Searches the array for a given value and returns the corresponding key if successful
array_shift Shift an element off the beginning of array
array_slice Extract a slice of the array
array_splice Remove a portion of the array and replace it with something else
array_sum Calculate the sum of values in an array
array_udiff_assoc Computes the difference of arrays with additional index check, compares data by a callback function
arrry_udiff_uassoc Computes the difference of arrays with additional index check, compares data and indexes by a callback function
array_udiff Computes the difference of arrays by using a callback function for data comparison
array_uintersect_assoc Computes the intersection of arrays with additional index check, compares data by a callback function
array_uintersect_uassoc Computes the intersection of arrays with additional index check, compares data and indexes callback function
array_uintersect Computes the intersection of arrays, compares data by a callback function
array_unique Removes duplicate values from an array
array_unshift Prepend one or more elements to the beginning of an array
array_values Return all the values of an array
array_walk_recursive Apply a user function recursively to every member if an array
array_walk Apply a user function to every member of an array
array Create an array
arsort Sort 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 Count all the elements in an array, or something in an object
current Return the current elements in an array
each Return the current key and value pair from an array and advance the array cursor
end Set the internal pointer of an array to its last element
extract Import variables into the current symbol table from an array
in_array Check if a value exists in an array
key_exists
key Fetch a key from an array
krsort Sort an array by key in reverse order
ksort Sort an array by key
list Assign variables as if they were an array
natcasesort Sort an array using a case insensitive ?natural order? algorithm
natsort Sort an array using a ?natural order? algorithm
next Advance the internal pointer of an array
pos Alias of current
prev Rewind the internal array pointer
range Create an array containing a range of elements
reset Set the internal pointer of an array to its first element
rsort Sort an array in reverse order
shuffle Shuffle an array
sizeof Alias of count
sort Sort an array
uasort Sort an array with a user defined comparison function and maintain index association
uksort Sort and array by keys using a user-defined comparison function
usort Sort an array by values using a user-defined function

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