Medium
What will this code display?
<?php
readonly class ParameterInput
{
public function __construct(
public string $key,
public mixed $value = null
)
{}
}
$myInput = new ParameterInput("myKey");
$myInput->value = "myValue";
echo $myInput->value;
Author: JérômeStatus: PublishedQuestion passed 131 times
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4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```4
Use the match expression in PHP to print a string.3
PHP code that throws a TypeError4
Attributes are metadata that can be added to classes, properties, constants or methods.5
PHP function with named and positional arguments.7
PHP code that throws an error.4
Which function signature is valid?