PHP Version: 8.3.23

upload_max_filesize: 2000M
post_max_size: 2000M
max_execution_time: 300
max_input_time: 300
memory_limit: 1G
display_errors: 
log_errors: 1
error_log: 

=== 测试JSON输出 ===
{"test":"success","time":"2026-05-20 06:42:20"}

=== 测试错误处理 ===