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<?php declare(strict_types=1); final class Foo implements \Stringable { private function __construct(public readonly string $value) { } public static function fromString(string $string): self { return new self($string); } /** * {@inheritdoc} */ public function __toString(): string { return $this->value; } } $options = [ Foo::fromString('c'), Foo::fromString('b'), Foo::fromString('a'), Foo::fromString('ccc'), Foo::fromString('bcc'), ]; var_dump(strnatcasecmp($options[1], $options[2])); uasort($options, 'strnatcasecmp'); var_export($options);
Output for git.master_jit
Fatal error: Uncaught TypeError: strnatcasecmp(): Argument #1 ($string1) must be of type string, Foo given in /in/slZeW:29 Stack trace: #0 /in/slZeW(29): strnatcasecmp(Object(Foo), Object(Foo)) #1 {main} thrown in /in/slZeW on line 29
Process exited with code 255.
Output for git.master

Process exited with code 139.

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