Re: Legal variable names

On Wed, 22 Nov 2000, André Langhorst wrote: > > That's what I was asking. I just am rather careful there because somebody > > wrote that code so he should have meant something by it - maybe there are > > reasons I'm not aware of. > > well as discussed before this code is an relict from register_globals=on > > > With regard to php-lang, are there any opinions on whether > > a construct like this should be legal? > > > > '${' expression '}' > > > > where expression evaluates to an arbitrary string, not > > necessarily to an identifier (which is basically > > [a-z][a-z0-9]*). > > why not? you can even use ä,ü,ö without using ${' äöü '}, should these > be legal - let the user decide how to write his code Do I understand you correctly that your explanation is "because we can"? Regardless, the above construct seems to be valid since PHP 3, so it will be part of the specification. - Sascha