PHP 8.4: Fix 'Implicitly marking parameter as nullable is deprecated'

senaranya / HL7

PHP library for Parsing, Generation and Sending HL7 v2 messages

MIT License

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PHP 8.4: Fix 'Implicitly marking parameter as nullable is deprecated' #124

Closed jay-knight closed 1 week ago

jay-knight commented 1 week ago

In PHP 8.4, implicitly nullable function parameters are deprecated. This change makes those explicitly nullable by prepending a ? so that the tests pass with no deprecation warnings.