error_log

Send an error message to the defined error handling routines.

error_log Function synopsis

error_log(
    string $message,
    int $message_type = 0,
    ?string $destination = null,
    ?string $additional_headers = null
  ): bool

Parameters

$message

Typestring

The error message that should be logged.

$message_type

OptionalTypeintDefault value0

Says where the error should go. The possible message types are as follows:

$destination

OptionalType?stringDefault valuenull

The destination. Its meaning depends on the $message_type parameter as described above.

$additional_headers

OptionalType?stringDefault valuenull

The extra headers. It's used when the $message_type parameter is set to 1. This message type uses the same internal function as mail does.

Return value

Typebool

Returns true on success, false on failure If $message_type is zero, this function always returns true, regardless of whether the error could be logged or not.