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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 - 8.3.19, 8.4.1 - 8.4.5
NULL string(6) "foobar" array(4) { ["directory"]=> NULL ["intSubName"]=> NULL ["extSubURI"]=> NULL ["extSubSystem"]=> NULL } Warning: DOMDocument::loadHTMLFile(): I/O warning : failed to load external entity "other" in /in/rJTTc on line 9

preferences:
43.84 ms | 412 KiB | 5 Q