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<?php $open_rates = []; $open_rates["x"]["0"] = "Sun"; $open_rates["x"]["2"] = "Mon"; var_dump(json_encode($open_rates)); $open_rates["x"] = array_values($open_rates["x"]); var_dump(json_encode($open_rates));
Output for 5.6.38 - 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
string(27) "{"x":{"0":"Sun","2":"Mon"}}" string(19) "{"x":["Sun","Mon"]}"
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 string(27) "{"x":{"0":"Sun","2":"Mon"}}" string(19) "{"x":["Sun","Mon"]}"

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197.86 ms | 402 KiB | 250 Q