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<?php echo "Start\n"; var_dump(json_last_error()); echo "\n"; echo "Error without flag\n"; json_decode('{'); var_dump(json_last_error()); echo "\n"; echo "Clear error\n"; json_decode('true'); // clear error var_dump(json_last_error()); echo "\n"; echo "Error with flag\n"; try { json_decode('{', flags: JSON_THROW_ON_ERROR); } catch (\JsonException $e) { echo $e->getMessage(), "\n"; } var_dump(json_last_error()); echo "\n"; echo "Set different error\n"; json_decode(str_repeat('[', 1000)); var_dump(json_last_error()); echo "and check that it is not overwritten when JSON_THROW_ON_ERROR is set\n"; try { json_decode('{', flags: JSON_THROW_ON_ERROR); } catch (\JsonException $e) { echo $e->getMessage(), "\n"; } var_dump(json_last_error());
Output for git.master, git.master_jit
Start int(0) Error without flag int(4) Clear error int(0) Error with flag Syntax error near location 1:2 int(0) Set different error int(1) and check that it is not overwritten when JSON_THROW_ON_ERROR is set Syntax error near location 1:2 int(1)

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