PHP error_log() Function

PHP error_reporting() Function
PHP error_get_last() Function

In this article, you will learn how to send log in PHP. The log can be send to mail, file or log. The error_log() function sends an error message to a log, to a file, or to a mail account.

what is the syntax of the ERROR_LOG() function in php?

error_log(message, type, destination, headers);
messageRequired. Specifies the error message to log
typeOptional. Specifies where the error message should go. Possible values:0 – Default. Message is sent to PHP’s system logger, using the OS’ system logging mechanism or a file, depending on what the error_log configuration is set to in php.ini1 – Message is sent by email to the address in the destination parameter2 – No longer in use (only available in PHP 3)3 – Message is appended to the file specified in destination4 – Message is sent directly to the SAPI logging handler
destinationOptional. Specifies the destination of the error message. This value depends on the value of the type parameter
headersOptional. 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)
PHP error_log() method

examples of the ERROR_LOG() function

Example 1. In this example, we send error messages to the web server’s error log and to a mail account.

// 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, "");
PHP error_reporting() Function
PHP error_get_last() Function
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