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<?php class MyInterval extends DateInterval { public static function instance(DateInterval $di) { return new static($di->spec()); } } $diff = (new DateTime('yesterday'))->diff(new DateTime('tomorrow')); $myDiff = MyInterval::instance($diff); var_dump($myDiff);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught Error: Call to undefined method DateInterval::spec() in /in/M0oXl:7 Stack trace: #0 /in/M0oXl(13): MyInterval::instance(Object(DateInterval)) #1 {main} thrown in /in/M0oXl on line 7
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined method DateInterval::spec() in /in/M0oXl:7 Stack trace: #0 /in/M0oXl(13): MyInterval::instance(Object(DateInterval)) #1 {main} thrown in /in/M0oXl on line 7
Process exited with code 255.

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