php 7.1 functions parameters with "?"
function sayHello(?string $name) {
echo "Hello " . $name . PHP_EOL;
}
sayHello(null); // Hello
sayHello("John"); //Hello Johnphp 7.1 functions parameters with "?"
function sayHello(?string $name) {
echo "Hello " . $name . PHP_EOL;
}
sayHello(null); // Hello
sayHello("John"); //Hello JohnCopyright © 2021 Codeinu
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