You can use the strval() function to convert a number to a string. From a maintenance perspective its obvious what you are trying to do ... ... <看更多>

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int. function foo(int $bar), PHP 7.0+, example. function foo(int $bar = null), PHP 7.0+, example ... function foo(): ?string, PHP 7.1+, example ... ... <看更多>

Cannot cast array|string|null to int. ... /src/Illuminate/Console/Command.php#L248-L250 /** * Get the value of a command argument. ... <看更多>