<?php function testOptional(string $hello, string|null $world = null) { return $hello . ' ' . ($world ?? 'world'); } function testNullable(string $hello, string|null $world) { return $hello . ' ' . ($world ?? 'world'); } echo testOptional('hello'), PHP_EOL; echo testNullable('hello'), PHP_EOL;
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Value for `_results` contains invalid data `array`