<?php
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() Deprecated from PHP 7.2. 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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