intl_is_failure

Check whether the given error code indicates failure

&reftitle.description; `bool` `intl_is_failure` `int` `errorCode`

&reftitle.parameters;

`errorCode`

- is a value that returned by functions: `intl_get_error_code`, `collator_get_error_code` .

&reftitle.returnvalues;

&true; if it the code indicates some failure, and &false; in case of success or a warning.

&reftitle.examples;

### `intl_is_failure` example

    <?php
    function check( $err_code )
    {
        var_export( intl_is_failure( $err_code ) );
        echo "\n";
    }

    check( U_ZERO_ERROR );
    check( U_USING_FALLBACK_WARNING );
    check( U_ILLEGAL_ARGUMENT_ERROR );
    ?>

&example.outputs.similar;

    false
    false
    true

&reftitle.seealso;

- `intl_get_error_code`
- `collator_get_error_code`
- `Collator-getErrorCode`