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run code in 300+ PHP versions simultaneously
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Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
string(21) "{"drupal\/core":true}" string(20) "{"drupal/core":true}" object(stdClass)#1 (1) { ["drupal/core"]=> bool(true) } object(stdClass)#1 (1) { ["drupal/core"]=> bool(true) }

preferences:
82.11 ms | 411 KiB | 5 Q