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

1:	<?php declare(strict_types=1);
2:
3:	namespace PhpParser\Node\Scalar;
4:
5:	use PhpParser\Node\Scalar;
6:
7:	class Float_ extends Scalar {
8:	/** @var float Number value */
9:	public float $value;
10:
11:	/**
12:	* Constructs a float number scalar node.
13:	*
14:	* @param float $value Value of the number
15:	* @param array<string, mixed> $attributes Additional attributes
16:	*/
17:	public function __construct(float $value, array $attributes = []) {
18:	$this->attributes = $attributes;
19:	$this->value = $value;
20:	}
21:
22:	public function getSubNodeNames(): array {
23:	return ['value'];
24:	}
25:
26:	/**
27:	* @param mixed[] $attributes
28:	*/
29:	public static function fromString(string $str, array $attributes = []): Float_ {
30:	$attributes['rawValue'] = $str;
31:	$float = self::parse($str);
32:
33:	return new Float_($float, $attributes);
34:	}
35:
36:	/**
37:	* @internal
38:	*
39:	* Parses a DNUMBER token like PHP would.
40:	*
41:	* @param string $str A string number
42:	*
43:	* @return float The parsed number
44:	*/
45:	public static function parse(string $str): float {
46:	$str = str_replace('_', '', $str);
47:
48:	// Check whether this is one of the special integer notations.
49:	if ('0' === $str[0]) {
50:	// hex
51:	if ('x' === $str[1] \|\| 'X' === $str[1]) {
52:	// PHP 8.6 warns when hexdec() produces a float.
53:	return @hexdec($str);
54:	}
55:
56:	// bin
57:	if ('b' === $str[1] \|\| 'B' === $str[1]) {
58:	// PHP 8.6 warns when bindec() produces a float.
59:	return @bindec($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($str, '89')) cuts the string at the first invalid digit
65:	// (8 or 9) so that only the digits before that are used.
66:	// PHP 8.6 warns when octdec() produces a float.
67:	return @octdec(substr($str, 0, strcspn($str, '89')));
68:	}
69:	}
70:
71:	// dec
72:	return (float) $str;
73:	}
74:
75:	public function getType(): string {
76:	return 'Scalar_Float';
77:	}
78:	}
79:
80:	// @deprecated compatibility alias
81:	class_alias(Float_::class, DNumber::class);
82:

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