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Re: PHP Newbie can't evaluate numerical string as number [message #175928 is a reply to message #175919]

Tue, 08 November 2011 10:19

Jonathan Stein
Messages: 43
Registered: September 2010

Karma:

Member

Den 07-11-2011 17:25, Graham skrev:

> <?php
> $formula = "!big_number - !small_number";
> ?>

function myFormula($big_number, $small_number) {
return $big_number - $small_number;
}

> <?PHP
> include 'vars.php';
> $big_number = 30000;
> $small_number = 3000;
> $formula = str_replace("!", "$", $formula);
> eval("\$formula = \"$formula\";");
> //$formula = intval($formula);
> //settype($formula, "integer");
> print ("formula = $formula\n");
> ?>

include 'vars.php';
print myFormula(30000, 3000);

Regards

Jonathan

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[Message index]

		PHP Newbie can't evaluate numerical string as number By: Graham on Mon, 07 November 2011 16:25
		Re: PHP Newbie can't evaluate numerical string as number By: The Natural Philosoph on Mon, 07 November 2011 16:56
		Re: PHP Newbie can't evaluate numerical string as number By: Denis McMahon on Mon, 07 November 2011 17:52
		Re: PHP Newbie can't evaluate numerical string as number By: Graham on Tue, 08 November 2011 08:41
		Re: PHP Newbie can't evaluate numerical string as number By: Erwin Moller on Tue, 08 November 2011 08:56
		Re: PHP Newbie can't evaluate numerical string as number By: Graham on Tue, 08 November 2011 09:35
		Re: PHP Newbie can't evaluate numerical string as number By: Denis McMahon on Tue, 08 November 2011 09:57
		Re: PHP Newbie can't evaluate numerical string as number By: Tim Streater on Tue, 08 November 2011 10:08
		Re: PHP Newbie can't evaluate numerical string as number By: Denis McMahon on Tue, 08 November 2011 17:49
		Re: PHP Newbie can't evaluate numerical string as number By: Graham on Tue, 08 November 2011 10:27
		Re: PHP Newbie can't evaluate numerical string as number By: Thomas 'PointedEars' on Mon, 07 November 2011 22:49
		Re: PHP Newbie can't evaluate numerical string as number By: Jonathan Stein on Tue, 08 November 2011 10:19

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