Yes. That (together with a || $x==1 && substr($x,1,1) ne '1') does exactly what I find myself wanting nine times out of ten. That is, what isNaN does in js. I'd find it useful to have a built in function, and maybe we're going to get one.

§ George Sherston

In reply to Re: Re: Checking whether a $var is a number by George_Sherston
in thread Checking whether a $var is a number by George_Sherston

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