3v4l.org

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<?php $array = ['avi', 'beni', 'Avi', 'Beni']; usort( $array, fn($a, $b) => strcasecmp($a, $b) ?: strcmp($a, $b) ); var_export($array);
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => 'Avi', 1 => 'avi', 2 => 'Beni', 3 => 'beni', )

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