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[34.209.88.149]) by smtp.gmail.com with ESMTPSA id fa16sm250004pjb.39.2020.03.25.16.06.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Mar 2020 16:06:12 -0700 (PDT) To: David Rodrigues , PHP Internals References: Autocrypt: addr=smalyshev@gmail.com; prefer-encrypt=mutual; keydata= xsJuBE9mqaARCACFSqcGmNunkjQQu3X+yXnTmFeEkvM4JXZTOBdR8aEevNGmmFEfyvjaDjWi 9hcwp4E/lYtC+P7VsVjM1OSX9eq0jC/lGL0ZyRXek+mNy0n5H1NSuTpf9Y18LMqhc4G+RU+L cNiZ9K0DJuOOvNLPxW7OHZguxb3wdKPXNVa2jyRfJAKm2uaJJMT1mTmFT9a0Q8SKr+mUrrJk uG0H2o6SzrKt8Wwoint1eh67zVsJaJtQFchnEZnlawIcqP2yC4nLGR3MkubowxoEBYCZet18 aHVVRbvpG2Qtob8Lu5xrsGbmXymTkHTdpvkfcJFADa8MzOL90zOxXwbGfbIZOlh5En8jAQCX lfnx2eQL3BSW/6XANa51dbWiEp1d1BAkpGKtZvlk0Qf+M9WAi+9aXMe3xP5krxtgnRNUf2WN 6Zdy2MxL1RRJCFbytLhl0ronC49BsGYVGshdEH8xhBbiIOJKuVZ/DTl9bEm7P9c7CC7iJyVC khUAhouH6xzZQNLR+RU+QebYzXypVfl99Qk7EdMmr/WAZCHLuvanyqepC5EBsa3VnAfQemSN oBeGBKWWLiOsPjvS72+y1z4RUMAfXHn4l/sFMt8zt7/74AmJPwZquV41p4mPO12V4+xPyc6R sB84sfsk2QVivU8w8AkvGQeYjXoz7Iwao95+fWteVzZ36KRQvUckP8pGjHlDXnHxJ0HI1I/k OBZSjwRwUf0dd73y6erPhbLk+gf+NdI3H9KGJBzG5/rVyWKwUeQ9d5ud4jTJRkQGvAP5pg76 vEa9dogbpe4W5Z+0BfbiJSnQmQWSHiZddj/t33ptbup44Ck6ZTgdlmFYMLF1hR47PIZTDKER EuKYGci/vq8snZvEJP9YCw/TtiHcMdrMKcY/+Lp8lQO0GHLPB9glVhnC0db6l1Xpg1CMI8/R ozBMcij30EgATggC/y2zbiqAFoS9FN9nXPbe4phStqABEyeZ+nXudt7PUYTjVgcrqo8bHZCi sBobWC7OnKyUzxVxzUeuPkIfmZuzkLaMw2McQdvwwsNvQ0DzaLP30c1Xsm/7EIYJcOWpzlVJ 5QrdmE0/Bc0yU3RhbmlzbGF2IE1hbHlzaGV2IChQSFAga2V5KSA8c21hbHlzaGV2QGdtYWls LmNvbT7CegQTEQgAIgUCT2aqtAIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQL3lW vF2gS12XMwD9HuRIolSwIK77u8EY461y2u6sbX36n5/uo/LDQuxoi3sA/0MvpnvzOhv9Iufv vsZEj3E7i3h+iD5648YMwfTFCij+zsFNBE9mqaAQCADfZPMpjZkkGZj3BY/7ApoLq4mwqzbh +CpLXwNn20tFNvSXfb8RdeXvVEb7Scx+W9qYpiaun2iXJgCVH8fgpZpR856ulT1q6uCG++CX ubEvip/eJkZl93/84h04KQJwsgOrAh0Om3OePRn8Pr+++0LNS0EL8uX/YHeTOGOnnmTqYTey SBVFdov6L4mepddfjekicKQqhL7mZh/xuq29JijT0uNNX8v4vDWQDu5dlAcdd+uB3gcXMD/P ginD11zp+6wtrWCm/+yBqpvDwXQX5PGUnwvbRfl7Ay3MmwmoXiecZMg0dwTSc7e0lhB4HGRH ZdBMJB4rHUVGdzqujK/ctOvrAAMFB/0Utb76Qe6sCMlHxVAmeE/fbo7Pi05btZ/x01r67dHf aMSP0riCKJ7M0OW+jAXtu9+z/BVnYisW67WWfxl2cS5tZDgiHgJARXWUOO72+sScHP8KQmTl 1z16gyKbwY3SmyBkwcpOL35nhUWNLy93syPoY6sZUTikr2bZYukHDQ33XBPs4e6MbWKfsa9q aVmnlOF3k5UqChjutfHaEa4Q7VP4wBIpphHBi9MI16oJIzzBPbGl2uoedjwiZ6QeQZnSuOVY ZxU2d3lRA8PrtfFN1VSlpEm/VcAvtieHUYWHN0wOu+cp3Slr5XJVNjTjJhl28SlinMME54mK AGf2Ldr/dRwXwmEEGBEIAAkFAk9mqaACGwwACgkQL3lWvF2gS126EQD/VVd3FgjLKglClRQP zdfU847tqDK4zJjbmRv5vLLwoE0A+wbrQs7jVGU3NrS0AIl5vUmewpp2BKzSkepy23nWmejw Message-ID: <306b173b-f104-1779-c75f-bbf8262631c4@gmail.com> Date: Wed, 25 Mar 2020 16:06:09 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] Class cast From: smalyshev@gmail.com (Stanislav Malyshev) Hi! > 1. Converting from A to B: > > $a = 123; > $b = (Number) $a; // $b is now instanceof Number > > A instanceof Number will created based on $a value. What's wrong with new Number(123)? > 2. Reduce object type (I don't know the technical term): > > class A {} > class B extends A {} > > $b = new B; > $a = (A) $b; > > $a still is $b, but with "limited" access to A methods and properties. Not sure why would you want to do this? What's the use case? -- Stas Malyshev smalyshev@gmail.com