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run code in 300+ PHP versions simultaneously
<?php echo json_encode(array(100000000000000000000000000000000=>0, 1, 2, 3, 4));
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+32 to int loses precision in /in/igJRm on line 2 {"-8809040871136690176":0,"-8809040871136690175":1,"-8809040871136690174":2,"-8809040871136690173":3,"-8809040871136690172":4}
Output for 8.0.0 - 8.0.30
{"-8809040871136690176":0,"-8809040871136690175":1,"-8809040871136690174":2,"-8809040871136690173":3,"-8809040871136690172":4}
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
{"-8809040871136690176":0,"0":1,"1":2,"2":3,"3":4}
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
[0,1,2,3,4]
Output for 5.2.0 - 5.2.17
{"-9223372036854775808":0,"0":1,"1":2,"2":3,"3":4}
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/igJRm on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/igJRm on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/igJRm on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/igJRm on line 2

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