function IsJson::failureDescription

Returns the description of the failure.

The beginning of failure messages is "Failed asserting that" in most cases. This method should return the second part of that sentence.

Overrides Constraint::failureDescription

File

vendor/phpunit/phpunit/src/Framework/Constraint/String/IsJson.php, line 61

Class

IsJson

@no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit

Namespace

PHPUnit\Framework\Constraint

Code

protected function failureDescription(mixed $other) : string {
    if (!is_string($other)) {
        return $this->valueToTypeStringFragment($other) . 'is valid JSON';
    }
    if ($other === '') {
        return 'an empty string is valid JSON';
    }
    return sprintf('a string is valid JSON (%s)', $this->determineJsonError($other));
}