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run code in 300+ PHP versions simultaneously
<?php $arr1 = array(); $arr1[9999999999999999999999999999999] = "abc"; var_dump($arr1); $arr2 = array(); $arr2["9999999999999999999999999999999"]="abc"; var_dump($arr2);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Implicit conversion from float 1.0E+31 to int loses precision in /in/LnaTn on line 3 array(1) { [-4571153621781053440]=> string(3) "abc" } array(1) { ["9999999999999999999999999999999"]=> string(3) "abc" }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(1) { [-4571153621781053440]=> string(3) "abc" } array(1) { ["9999999999999999999999999999999"]=> string(3) "abc" }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
array(1) { [0]=> string(3) "abc" } array(1) { ["9999999999999999999999999999999"]=> string(3) "abc" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
array(1) { [-9223372036854775808]=> string(3) "abc" } array(1) { ["9999999999999999999999999999999"]=> string(3) "abc" }

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237.57 ms | 402 KiB | 425 Q