This statement is perfectly working:
<?php
echo b"foo";
What is the purpose of the b?
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1Fun fact: There was even a [`is_binary()`](https://web.archive.org/web/20090125013821/http://php.net/manual/en/function.is-binary.php) function once. – Rizier123 Jun 17 '16 at 03:32
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@Rizier123 this may just make it in to my test for our new php developer – Jun 17 '16 at 03:37
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@Dagon That would be a bit mean ;) There is only one sentence dedicated to `(binary)`/`b` in the [manual](http://php.net/manual/en/language.types.type-juggling.php#language.types.typecasting). Maybe you should just ask them how they would search for it, what they would do to find out what it is. – Rizier123 Jun 17 '16 at 03:39
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@Dagon Don't forget to ask them, why this url: https://3v4l.org/3GOW8 is valid PHP :P – Rizier123 Jun 17 '16 at 03:49
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@Rizier123 problem occurs when im expected to explain it! – Jun 17 '16 at 03:52
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@Dagon I will leave you now with that mystery :p – Rizier123 Jun 17 '16 at 03:57
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@Rizier123 bastard! – Jun 17 '16 at 05:45
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lol thanks for your comments - Dragon, yes, I will certainly ask ;-) – Dominic Harvey Jun 17 '16 at 10:21
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@Dagon One hint: [Labels](http://php.net/manual/en/control-structures.goto.php) + [Comments](http://php.net/manual/en/language.basic-syntax.comments.php) – Rizier123 Jun 18 '16 at 14:35