PHP error_log() Function
Example
Send error messages to the web server's error log and to a mail account:
<?php
// Send error message to the server log if error connecting to the database
if (!mysqli_connect("localhost","bad_user","bad_password","my_db")) {
error_log("Failed to connect to database!", 0);
}
// Send email to administrator if we run out of FOO
if (!($foo = allocate_new_foo())) {
error_log("Oh no! We are out of FOOs!", 1, "admin@example.com");
}
?>
Definition and Usage
The error_log() function sends an error message to a log, to a file, or to a mail account.
Syntax
error_log(message, type, destination, headers);
Parameter Values
| Parameter | Description |
|---|---|
| message | Required. Specifies the error message to log |
| type | Optional. Specifies where the error message should go.
Possible values:
|
| destination | Optional. Specifies the destination of the error message. This value depends on the value of the type parameter |
| headers | Optional. Only used if the type parameter is set to 1. Specifies additional headers, like From, Cc, and Bcc. Multiple headers should be separated with a CRLF (\r\n) |
Technical Details
| Return Value: | TRUE on success. FALSE on failure |
|---|---|
| PHP Version: | 4.0+ |
| Binary Safe: | No |
| PHP Changelog: | PHP 5.2.7: The value of 4 was added to the type parameter |
PHP Error Reference
