sort() – sort arrays in ascending order. asort() – sort associative arrays in ascending order, according to the value.
ksort() – sort associative arrays in ascending order, according to the key.
arsort() – sort associative arrays in descending order, according to the value.
rsort() – sort arrays in descending order.
krsort() – sort associative arrays in descending order, according to the key.
array_multisort() – sort the multi dimension array.
usort()- Sort the array using user defined function.
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