<?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'));
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