summaryrefslogtreecommitdiffstats
path: root/user_guide_src
diff options
context:
space:
mode:
Diffstat (limited to 'user_guide_src')
-rw-r--r--user_guide_src/source/general/errors.rst117
1 files changed, 63 insertions, 54 deletions
diff --git a/user_guide_src/source/general/errors.rst b/user_guide_src/source/general/errors.rst
index 112dd83e1..4428c65dc 100644
--- a/user_guide_src/source/general/errors.rst
+++ b/user_guide_src/source/general/errors.rst
@@ -36,19 +36,23 @@ The following functions let you generate errors:
:param string $heading: Error page heading
:rtype: void
-This function will display the error message supplied to it using the
-error template appropriate to your execution::
+ This function will display the error message supplied to it using
+ the error template appropriate to your execution::
- application/views/errors/html/error_general.php or
- application/views/errors/cli/error_general.php
+ application/views/errors/html/error_general.php
-The optional parameter ``$status_code`` determines what HTTP status
-code should be sent with the error. If ``$status_code`` is less than 100,
-the HTTP status code will be set to 500, and the exit status code will
-be set to ``$status_code + EXIT__AUTO_MIN``. If that value is larger than
-``EXIT__AUTO_MAX``, or if ``$status_code`` is 100 or higher, the exit
-status code will be set to ``EXIT_ERROR``. You can check in
-*application/config/constants.php* for more detail.
+ or:
+
+ application/views/errors/cli/error_general.php
+
+ The optional parameter ``$status_code`` determines what HTTP status
+ code should be sent with the error. If ``$status_code`` is less
+ than 100, the HTTP status code will be set to 500, and the exit
+ status code will be set to ``$status_code + EXIT__AUTO_MIN``.
+ If that value is larger than ``EXIT__AUTO_MAX``, or if
+ ``$status_code`` is 100 or higher, the exit status code will be set
+ to ``EXIT_ERROR``.
+ You can check in *application/config/constants.php* for more detail.
.. function:: show_404($page = '', $log_error = TRUE)
@@ -56,19 +60,23 @@ status code will be set to ``EXIT_ERROR``. You can check in
:param bool $log_error: Whether to log the error
:rtype: void
-This function will display the 404 error message supplied to it using
-the error template appropriate to your execution::
+ This function will display the 404 error message supplied to it
+ using the error template appropriate to your execution::
+
+ application/views/errors/html/error_404.php
+
+ or:
- application/views/errors/html/error_404.php or
- application/views/errors/cli/error_404.php
+ application/views/errors/cli/error_404.php
-The function expects the string passed to it to be the file path to the
-page that isn't found. The exit status code will be set to ``EXIT_UNKNOWN_FILE``.
-Note that CodeIgniter automatically shows 404 messages if controllers are
-not found.
+ The function expects the string passed to it to be the file path to
+ the page that isn't found. The exit status code will be set to
+ ``EXIT_UNKNOWN_FILE``.
+ Note that CodeIgniter automatically shows 404 messages if
+ controllers are not found.
-CodeIgniter automatically logs any ``show_404()`` calls. Setting the
-optional second parameter to FALSE will skip logging.
+ CodeIgniter automatically logs any ``show_404()`` calls. Setting the
+ optional second parameter to FALSE will skip logging.
.. function:: log_message($level, $message, $php_error = FALSE)
@@ -77,36 +85,37 @@ optional second parameter to FALSE will skip logging.
:param bool $php_error: Whether we're logging a native PHP error message
:rtype: void
-This function lets you write messages to your log files. You must supply
-one of three "levels" in the first parameter, indicating what type of
-message it is (debug, error, info), with the message itself in the
-second parameter.
-
-Example::
-
- if ($some_var == '')
- {
- log_message('error', 'Some variable did not contain a value.');
- }
- else
- {
- log_message('debug', 'Some variable was correctly set');
- }
-
- log_message('info', 'The purpose of some variable is to provide some value.');
-
-There are three message types:
-
-#. Error Messages. These are actual errors, such as PHP errors or user
- errors.
-#. Debug Messages. These are messages that assist in debugging. For
- example, if a class has been initialized, you could log this as
- debugging info.
-#. Informational Messages. These are the lowest priority messages,
- simply giving information regarding some process.
-
-.. note:: In order for the log file to actually be written, the *logs*
- directory must be writable. In addition, you must set the "threshold"
- for logging in *application/config/config.php*. You might, for example,
- only want error messages to be logged, and not the other two types.
- If you set it to zero logging will be disabled. \ No newline at end of file
+ This function lets you write messages to your log files. You must
+ supply one of three "levels" in the first parameter, indicating what
+ type of message it is (debug, error, info), with the message itself
+ in the second parameter.
+
+ Example::
+
+ if ($some_var == '')
+ {
+ log_message('error', 'Some variable did not contain a value.');
+ }
+ else
+ {
+ log_message('debug', 'Some variable was correctly set');
+ }
+
+ log_message('info', 'The purpose of some variable is to provide some value.');
+
+ There are three message types:
+
+ #. Error Messages. These are actual errors, such as PHP errors or
+ user errors.
+ #. Debug Messages. These are messages that assist in debugging. For
+ example, if a class has been initialized, you could log this as
+ debugging info.
+ #. Informational Messages. These are the lowest priority messages,
+ simply giving information regarding some process.
+
+ .. note:: In order for the log file to actually be written, the
+ *logs/* directory must be writable. In addition, you must
+ set the "threshold" for logging in
+ *application/config/config.php*. You might, for example,
+ only want error messages to be logged, and not the other
+ two types. If you set it to zero logging will be disabled.