PHP error_reporting & set_error_handler: Balancing E_NOTICE suppression with critical error visibility
In a production PHP application, the goal is to reduce notification noise by suppressing E_NOTICE while still surfacing warnings, deprecations, and fatal errors. The configuration typically involves setting error_reporting = E_ALL & ~E_NOTICE , turning display_errors off, enabling log_errors , and optionally routing logs to a dedicated file or syslog. Wh