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@ 2023-04-24T11:11:53Z

<?php

$types  =[
    \DateTimeInterface::class,
    \DateInterval::class
];

$typeClass = \DateTimeImmutable::class;

foreach ($types as $type) {
    if (is_a($typeClass, $type, true)) {
        printf("%s is a %s", $typeClass, $type);
    } else {
        
        printf("%s is not a %s", $typeClass, $type);
    }
    print \PHP_EOL;
}

Output
Performance
VLD
References
Branches

is_a: documentation ( source)
printf: documentation ( source)

preferences:dark modelive previewkey bindings

41.06 ms | 405 KiB | 5 Q