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array_unique() function in PHP

The array_unique() function removes duplicate values(first value present and another all values remove) from an array.

Syntax

array_unique(array)

Example 1

print_r(array_unique(array("ram","shyam","ravi","ram","ghanshyam","ram")));

Output

Array ( [0] => ram [1] => shyam [2] => ravi [4] => ghanshyam )

Example 2

print_r(array_unique(array("a"=>"ram","b"=>"shyam","c"=>"ravi","d"=>"ram","e"=>"ghanshyam","f"=>"ram")));

Output

Array ( [a] => ram [b] => shyam [c] => ravi [e] => ghanshyam )

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