Viewing file:  DNumber.php (1.63 KB) -rw-r--r--
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<?php
namespace PhpParser\Node\Scalar;
use PhpParser\Node\Scalar;
class DNumber extends Scalar
{
/** @var float Number value */
public $value;
/**
* Constructs a float number scalar node.
*
* @param float $value Value of the number
* @param array $attributes Additional attributes
*/
public function __construct($value, array $attributes = array()) {
parent::__construct($attributes);
$this->value = $value;
}
public function getSubNodeNames() {
return array('value');
}
/**
* @internal
*
* Parses a DNUMBER token like PHP would.
*
* @param string $str A string number
*
* @return float The parsed number
*/
public static function parse($str) {
// if string contains any of .eE just cast it to float
if (false !== strpbrk($str, '.eE')) {
return (float) $str;
}
// otherwise it's an integer notation that overflowed into a float
// if it starts with 0 it's 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
// 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;
}
}
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