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NeroReflex/Gishiki

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src/Algorithms/Strings/SimpleLexer.php

Summary

Maintainability
A
1 hr
Test Coverage

Function isFloat has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

    public static function isFloat($str) : bool
    {
        if (!self::isString($str)) {
            return false;
        }
Severity: Minor
Found in src/Algorithms/Strings/SimpleLexer.php - About 55 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Avoid too many return statements within this method.
Open

        return $str[$len - 1] != '.';
Severity: Major
Found in src/Algorithms/Strings/SimpleLexer.php - About 30 mins to fix

    The method isFloat() has a Cyclomatic Complexity of 10. The configured cyclomatic complexity threshold is 10.
    Open

        public static function isFloat($str) : bool
    {
        if (!self::isString($str)) {
            return false;
        }
    Severity: Minor
    Found in src/Algorithms/Strings/SimpleLexer.php by phpmd

    CyclomaticComplexity

    Since: 0.1

    Complexity is determined by the number of decision points in a method plus one for the method entry. The decision points are 'if', 'while', 'for', and 'case labels'. Generally, 1-4 is low complexity, 5-7 indicates moderate complexity, 8-10 is high complexity, and 11+ is very high complexity.

    Example

    // Cyclomatic Complexity = 11
class Foo {
1   public function example() {
2       if ($a == $b) {
3           if ($a1 == $b1) {
                fiddle();
4           } elseif ($a2 == $b2) {
                fiddle();
            } else {
                fiddle();
            }
5       } elseif ($c == $d) {
6           while ($c == $d) {
                fiddle();
            }
7        } elseif ($e == $f) {
8           for ($n = 0; $n < $h; $n++) {
                fiddle();
            }
        } else {
            switch ($z) {
9               case 1:
                    fiddle();
                    break;
10              case 2:
                    fiddle();
                    break;
11              case 3:
                    fiddle();
                    break;
                default:
                    fiddle();
                    break;
            }
        }
    }
}

    Source https://phpmd.org/rules/codesize.html#cyclomaticcomplexity

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