Incorrect cast to (int) and (float) for num string.

[kse300489]

Example zephir:

            var
                version = "1.0 200 OK",
                floatVersion,
                intVersion;

            var_dump(version);

            let
                floatVersion = (float)version,
                intVersion   = (int)version;

            var_dump(floatVersion);
            var_dump(intVersion);

Output:

string(10) "1.0 200 OK"
float(0)
int(0)

PHP example:

$version      = "1.0 200 Found";
$intVersion   = (int)$version;
$floatVersion = (float)$version;

var_dump($version);
var_dump($intVersion);
var_dump($floatVersion);

Output:

string(13) "1.0 200 Found"
int(1)
double(1)

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