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<?php declare(strict_types=1);
namespace PhpParser\Node\Scalar;
use PhpParser\Node\Scalar;
class Float_ extends Scalar {
/** @var float Number value */
public float $value;
/**
* Constructs a float number scalar node.
*
* @param float $value Value of the number
* @param array<string, mixed> $attributes Additional attributes
*/
public function __construct(float $value, array $attributes = []) {
$this->attributes = $attributes;
$this->value = $value;
}
public function getSubNodeNames(): array {
return ['value'];
}
/**
* @param mixed[] $attributes
*/
public static function fromString(string $str, array $attributes = []): Float_ {
$attributes['rawValue'] = $str;
$float = self::parse($str);
return new Float_($float, $attributes);
}
/**
* @internal
*
* Parses a DNUMBER token like PHP would.
*
* @param string $str A string number
*
* @return float The parsed number
*/
public static function parse(string $str): float {
$str = str_replace('_', '', $str);
// Check whether this is one of the special integer notations.
if ('0' === $str[0]) {
// hex
if ('x' === $str[1] || 'X' === $str[1]) {
return hexdec($str);
}
// bin
if ('b' === $str[1] || 'B' === $str[1]) {
return bindec($str);
}
// oct, but only if the string does not contain any of '.eE'.
if (false === strpbrk($str, '.eE')) {
// substr($str, 0, strcspn($str, '89')) cuts the string at the first invalid digit
// (8 or 9) so that only the digits before that are used.
return octdec(substr($str, 0, strcspn($str, '89')));
}
}
// dec
return (float) $str;
}
public function getType(): string {
return 'Scalar_Float';
}
}
// @deprecated compatibility alias
class_alias(Float_::class, DNumber::class);
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