What is the best way to prevent duplicate goals from appearing in a PHP array?

To prevent duplicate goals from appearing in a PHP array, you can use the `array_unique()` function, which removes duplicate values from an array. This function returns a new array with unique values, preserving the original order of elements. By applying `array_unique()` to the array containing goals, you can ensure that each goal is unique. 

$goals = ['goal1', 'goal2', 'goal3', 'goal1', 'goal4', 'goal2'];
$uniqueGoals = array_unique($goals);

print_r($uniqueGoals);

Keywords

PHP array_unique array_values duplicate prevent

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