The
array_unique() array function in PHP will remove all duplicate values from within an array.
<?php
$myArray = array("cat","dog","bird","cat","rabbit");
$newArray = array_unique($myArray);
foreach($newArray as $key => $value) {
echo "$key - $value <br />";
}
?>
0 - cat
1 - dog
2 - bird
4 - rabbit
