PHP – Exception getPrevious() Method
The PHP getPrevious() method returns the previous exception when an exception is triggered by a previous exception. Otherwise it returns null.
PHP – Exception getTrace() Method
The PHP getTrace() method returns a stack trace (information about the functions that are running at a given moment) in the form of an array.
PHP – Exception getTraceAsString() Method
The PHP getTraceAsString() method returns a stack trace (information about the functions that are running at a given moment) in the form of an string.
PHP – libxml_clear_errors() Function
The PHP libxml_clear_errors() function clears the libxml error buffer.
PHP – libxml_get_errors() Function
The PHP libxml_get_errors() function gets the errors from the the libxml error buffer.
PHP – libxml_get_last_error() Function
The PHP libxml_get_last_error() function gets the last error from the libxml error buffer.
PHP – libxml_use_internal_errors() Function
The PHP libxml_use_internal_errors() function disables the standard libxml errors and enables user error handling.
PHP – restore_error_handler() Function
The PHP restore_error_handler() function restores the previous error handler after changing it with the set_error_handler() function.
PHP – restore_exception_handler() Function
The PHP restore_exception_handler() function restores the previous exception handler after changing it with the set_exception_handler() function.
PHP – set_error_handler() Function
The PHP set_error_handler() function sets a user-defined error handler function.
PHP – set_exception_handler() Function
The PHP set_exception_handler() function sets a user-defined exception handler function and will stop executing after the exception handler is called.
PHP – trigger_error() Function
The PHP trigger_error() function creates a user-level error message and can be used with the built-in error handler, or with a user-defined function.
WordPress – Turn On or Off PHP Error Warnings and Notices
When developing a WordPress site, you may want to turn on the PHP error warnings and notices to ensure that everything is running smoothly before launch.