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<?php $dec = json_decode('{"a":"A\u2028B"}'); $dec = json_encode($dec, JSON_UNESCAPED_UNICODE); $json = $dec; $json = strtr( $json, array( "\xE2\x80\xA8" => '', // \u2028 "\xE2\x80\xA9" => '', // \u2029 ) ); var_dump($json); var_dump($dec); echo strlen($json), ' ', strlen($dec);

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