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<json_last_errorjson_validate>
^JSON FunctionsLast updated: Mon, 26 Oct 2026

json_last_error_msg

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

json_last_error_msg — Returns the error string of the last json_validate(), json_encode() or json_decode() call

Description

function json_last_error_msg(): string

Returns the error string of the last json_validate(), json_encode() or json_decode() call, which did not specify JSON_THROW_ON_ERROR.

Parameters

This function has no parameters.

Return Values

Returns the error message on success, or "No error" if no error has occurred.

See Also


<json_last_errorjson_validate>
^JSON FunctionsLast updated: Mon, 26 Oct 2026