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