+<?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;
+ }
+}