To report errors from an internal function, you should call the
php3_error() function. This takes at least two
parameters -- the first is the level of the error, the second is
the format string for the error message (as in a standard
printf() call), and any following arguments
are the parameters for the format string. The error levels are:
Notices are not printed by default, and indicate that the script
encountered something that could indicate an error, but could also
happen in the normal course of running a script. For example,
trying to access the value of a variable which has not been set,
or calling stat() on a file that doesn't exist.
Warnings are printed by default, but do not interrupt script
execution. These indicate a problem that should have been trapped
by the script before the call was made. For example, calling
ereg() with an invalid regular expression.
Errors are also printed by default, and execution of the script is
halted after the function returns. These indicate errors that can
not be recovered from, such as a memory allocation problem.
Parse errors should only be generated by the parser. The code is
listed here only for the sake of completeness.
This is like an E_ERROR, except it is generated by the core
of PHP. Functions should not generate this type of error.
This is like an E_WARNING, except it is generated by the core
of PHP. Functions should not generate this type of error.
This is like an E_ERROR, except it is generated by the Zend Scripting
Engine. Functions should not generate this type of error.
This is like an E_WARNING, except it is generated by the Zend Scripting
Engine. Functions should not generate this type of error.
This is like an E_ERROR, except it is generated in PHP code by using
the PHP function trigger_error(). Functions should
not generate this type of error.
This is like an E_WARNING, except it is generated by using the PHP
function trigger_error(). Functions should not
generate this type of error.
This is like an E_NOTICE, except it is generated by using the PHP
function trigger_error(). Functions should not
generate this type of error.
All of the above. Using this error_reporting level will show
all error types.
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