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<?php class StringSupported { protected $value; public function __construct(string $string) { $this->value = $string; } public function __toString() { return $this->value; } } class Token { public function replace($text) { if (is_object($text)) { throw new \TypeError("Argument $text expected type string, Object passed"); } echo sprintf('you passed %s', $text); } } $token = new Token(); $token->replace('bob'); $token->replace(new StringSupported('bess'));
Output for git.master, git.master_jit, rfc.property-hooks
you passed bob Fatal error: Uncaught TypeError: Argument bess expected type string, Object passed in /in/qCJsV:16 Stack trace: #0 /in/qCJsV(24): Token->replace(Object(StringSupported)) #1 {main} thrown in /in/qCJsV on line 16
Process exited with code 255.

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