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run code in 300+ PHP versions simultaneously
<?php var_dump(wddx_serialize_value(array("foo"=>1)));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function wddx_serialize_value() in /in/0dDtK:2 Stack trace: #0 {main} thrown in /in/0dDtK on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25
Fatal error: Call to undefined function wddx_serialize_value() in /in/0dDtK on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.2, 4.4.5 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
string(118) "<wddxPacket version='1.0'><header/><data><struct><var name='foo'><number>1</number></var></struct></data></wddxPacket>"
Output for 4.4.3 - 4.4.4
string(87) "<wddxPacket version='1.0'><header/><data><struct><va</var></struct></data></wddxPacket>"

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265.95 ms | 401 KiB | 359 Q