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<?php $array = ["Apple", "Orange", "Banana", "Melon"]; $priority = array_flip(["Orange", "Melon"]); usort( $array, fn($a, $b) => ($priority[$a] ?? PHP_INT_MAX) <=> ($priority[$b] ?? PHP_INT_MAX) ); var_export($array);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 0 => 'Orange', 1 => 'Melon', 2 => 'Apple', 3 => 'Banana', )

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