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Array Functions

II. Array Functions

These functions allow you to interact with and manipulate arrays in various ways. Arrays are essential for storing, managing, and operating on sets of variables.

Simple and multi-dimensional arrays are supported, and may be either user created or created by another function. There are specific database handling functions for populating arrays from database queries, and several functions return arrays.

Table of Contents
array — Create an array
array_count_values — Counts all the values of an array
array_diff — Computes the difference of arrays
array_flip — Flip all the values of an array
array_intersect — Computes the intersection of arrays
array_keys — Return all the keys of an array
array_merge — Merge two or more arrays
array_merge_recursive — Merge two or more arrays recursively
array_multisort — Sort multiple or multi-dimensional arrays
array_pad — Pad array to the specified length with a value
array_pop — Pop the element off the end of 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_reverse — Return an array with elements in reverse order
array_shift — Pop 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_unique — Removes duplicate values from an array
array_unshift — Push one or more elements onto the beginning of array
array_values — Return all the values of an array
array_walk — Apply a user function to every member of 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 elements in a variable
current — Return the current element in an array
each — Return the next key and value pair from an array
end — Set the internal pointer of an array to its last element
extract — Import variables into the symbol table from an array
in_array — Return true if a value exists in an array
key — Fetch a key from an associative 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
next — Advance the internal array pointer of an array
pos — Get the current element from an array
prev — Rewind the internal array pointer
range — Create an array containing a range of integers
reset — Set the internal pointer of an array to its first element
rsort — Sort an array in reverse order
shuffle — Shuffle an array
sizeof — Get the number of elements in an array
sort — Sort an array
uasort — Sort an array with a user-defined comparison function and maintain index association
uksort — Sort an array by keys using a user-defined comparison function
usort — Sort an array by values using a user-defined comparison function


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