File vendor/nikic/php-parser/lib/PhpParser/Node/Scalar/DNumber.php

1:	<?php declare(strict_types=1);
2:
3:	namespace PhpParser\Node\Scalar;
4:
5:	use PhpParser\Node\Scalar;
6:
7:	class DNumber extends Scalar
8:	{
9:	/** @var float Number value */
10:	public $value;
11:
12:	/**
13:	* Constructs a float number scalar node.
14:	*
15:	* @param float $value Value of the number
16:	* @param array $attributes Additional attributes
17:	*/
18:	public function __construct(float $value, array $attributes = []) {
19:	$this->attributes = $attributes;
20:	$this->value = $value;
21:	}
22:
23:	public function getSubNodeNames() : array {
24:	return ['value'];
25:	}
26:
27:	/**
28:	* @param mixed[] $attributes
29:	*/
30:	public static function fromString(string $str, array $attributes = []): DNumber
31:	{
32:	$attributes['rawValue'] = $str;
33:	$float = self::parse($str);
34:
35:	return new DNumber($float, $attributes);
36:	}
37:
38:	/**
39:	* @internal
40:	*
41:	* Parses a DNUMBER token like PHP would.
42:	*
43:	* @param string $str A string number
44:	*
45:	* @return float The parsed number
46:	*/
47:	public static function parse(string $str) : float {
48:	$str = str_replace('_', '', $str);
49:
50:	// Check whether this is one of the special integer notations.
51:	if ('0' === $str[0]) {
52:	// hex
53:	if ('x' === $str[1] \|\| 'X' === $str[1]) {
54:	return hexdec($str);
55:	}
56:
57:	// bin
58:	if ('b' === $str[1] \|\| 'B' === $str[1]) {
59:	return bindec($str);
60:	}
61:
62:	// oct, but only if the string does not contain any of '.eE'.
63:	if (false === strpbrk($str, '.eE')) {
64:	// substr($str, 0, strcspn($str, '89')) cuts the string at the first invalid digit
65:	// (8 or 9) so that only the digits before that are used.
66:	return octdec(substr($str, 0, strcspn($str, '89')));
67:	}
68:	}
69:
70:	// dec
71:	return (float) $str;
72:	}
73:
74:	public function getType() : string {
75:	return 'Scalar_DNumber';
76:	}
77:	}
78:

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