Because even if it doesn't make a difference in practice, it is technically more correct to call static methods statically. It also better advertise that those methods can be used from any context. |
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| .. | ||
| DateTimeTest.php | ||
| EngineeringTest.php | ||
| FinancialTest.php | ||
| FunctionsTest.php | ||
| LogicalTest.php | ||
| LookupRefTest.php | ||
| MathTrigTest.php | ||
| TextDataTest.php | ||