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<?php $test_fixed_array = New SplFixedArray(3); $test_fixed_array[0] = 0; $test_fixed_array[1] = 1; $test_fixed_array[2] = 2; $ser = serialize($test_fixed_array); $test_fixed_array_recover = unserialize($ser); var_dump($test_fixed_array_recover); var_dump($ser);
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
object(SplFixedArray)#2 (3) { [0]=> int(0) [1]=> int(1) [2]=> int(2) } string(49) "O:13:"SplFixedArray":3:{i:0;i:0;i:1;i:1;i:2;i:2;}"

preferences:
172.98 ms | 404 KiB | 222 Q