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<?php $extra = []; $extra['social_auth'] = []; $extra['social_auth'][]['login'] = '1234sflfkjasdf'; $extra['social_auth'][]['vterm_id'] = 'VKGolosa'; echo json_encode(['extra' => $extra], JSON_UNESCAPED_UNICODE);
Output for 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, 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
{"extra":{"social_auth":[{"login":"1234sflfkjasdf"},{"vterm_id":"VKGolosa"}]}}
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 {"extra":{"social_auth":[{"login":"1234sflfkjasdf"},{"vterm_id":"VKGolosa"}]}}

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