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Subject: Re: [PHP-DEV] [RFC][Under discussion] Arbitrary string interpolation
From: rowan.collins@gmail.com (Rowan Tommins)

On 20/03/2022 13:39, Rowan Tommins wrote:
> Using a second colon would make ternary expressions slightly awkward; 
> C# handles this by requiring them to be parenthesised, so "{$:( $test 
> ? $x : $y )}" would be valid but "{$:$test ? $x : $y}" would not; we 
> could use some other delimiter, but they'd probably all need something 
> similar. 


Thinking about it, a second colon might also cause problems for 
expressions like "{$: Foo::bar() }", so since we have multiple symbols 
at the start anyway, how about a prefixed formatting argument, e.g. 
"{$%10.3f: $x }"

Regards,

-- 
Rowan Tommins
[IMSoP]