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<?php class Dummy implements JsonSerializable{ public function jsonSerialize() { global $flag; if ($flag) { exit; } else { return "xxxx"; } } } $array = array(new Dummy()); $array[] = "xxx"; register_shutdown_function(function() use($array) { global $flag; $flag = 0; var_dump(json_encode(array($array))); }); $flag = 1; var_dump(json_encode(array($array)));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Dummy::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uSSZ6 on line 4 string(16) "[["xxxx","xxx"]]"
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 Deprecated: Return type of Dummy::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uSSZ6 on line 4 string(16) "[["xxxx","xxx"]]"
Output for 8.0.0 - 8.0.30
string(16) "[["xxxx","xxx"]]"
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(false)
preferences:
142.18 ms | 402 KiB | 153 Q