Code Inspection: 'assertTrue()' with incompatible argument type
Reports the PHPUnit
assertTrue() calls whose arguments are of incompatible types. Since the
assertTrue() method relies on strict types comparison with
true, such assertions will always fail.
In the following example, the
performAction() function returns a value of
integer type, so the PHPUnit assertion will always fail. After the quick-fix is applied, the returned value is cast to
boolean; as a result, the assertion will only fail in case
0 is returned and will pass otherwise. For more information about type conversions in PHP, refer to Type Casting (php.net).
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