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src/util/Spline.php

Summary

Maintainability
A
1 hr
Test Coverage

Method __construct has 26 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    public function __construct($xdata, $ydata)
    {
        $this->y2    = [];
        $this->xdata = $xdata;
        $this->ydata = $ydata;
Severity: Minor
Found in src/util/Spline.php - About 1 hr to fix

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

                $this->y2[$j] = $this->y2[$j] * $this->y2[$j + 1] + $delta[$j];
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

                $delta[$i] = (6.0 * $delta[$i] / ($xdata[$i + 1] - $xdata[$i - 1]) - $s * $delta[$i - 1]) / $p;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

                $delta[$i] = (6.0 * $delta[$i] / ($xdata[$i + 1] - $xdata[$i - 1]) - $s * $delta[$i - 1]) / $p;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

                $delta[$i] = (6.0 * $delta[$i] / ($xdata[$i + 1] - $xdata[$i - 1]) - $s * $delta[$i - 1]) / $p;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

            $delta[0]         = 0.0;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using undefined variables such as '$delta' which will lead to PHP notices.
    Open

                $delta[$i]    = ($ydata[$i + 1] - $ydata[$i]) / ($xdata[$i + 1] - $xdata[$i]) -
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    UndefinedVariable

    Since: 2.8.0

    Detects when a variable is used that has not been defined before.

    Example

    class Foo
{
    private function bar()
    {
        // $message is undefined
        echo $message;
    }
}

    Source https://phpmd.org/rules/cleancode.html#undefinedvariable

    Avoid using static access to class 'Amenadiel\JpGraph\Util\JpGraphError' in method '__construct'.
    Open

                    JpGraphError::RaiseL(19002);
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    StaticAccess

    Since: 1.4.0

    Static access causes unexchangeable dependencies to other classes and leads to hard to test code. Avoid using static access at all costs and instead inject dependencies through the constructor. The only case when static access is acceptable is when used for factory methods.

    Example

    class Foo
{
    public function bar()
    {
        Bar::baz();
    }
}

    Source https://phpmd.org/rules/cleancode.html#staticaccess

    Avoid using static access to class 'Amenadiel\JpGraph\Util\JpGraphError' in method '__construct'.
    Open

                JpGraphError::RaiseL(19001);
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    StaticAccess

    Since: 1.4.0

    Static access causes unexchangeable dependencies to other classes and leads to hard to test code. Avoid using static access at all costs and instead inject dependencies through the constructor. The only case when static access is acceptable is when used for factory methods.

    Example

    class Foo
{
    public function bar()
    {
        Bar::baz();
    }
}

    Source https://phpmd.org/rules/cleancode.html#staticaccess

    Avoid using static access to class 'Amenadiel\JpGraph\Util\JpGraphError' in method 'Interpolate'.
    Open

                JpGraphError::RaiseL(19002);
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    StaticAccess

    Since: 1.4.0

    Static access causes unexchangeable dependencies to other classes and leads to hard to test code. Avoid using static access at all costs and instead inject dependencies through the constructor. The only case when static access is acceptable is when used for factory methods.

    Example

    class Foo
{
    public function bar()
    {
        Bar::baz();
    }
}

    Source https://phpmd.org/rules/cleancode.html#staticaccess

    The method Interpolate uses an else expression. Else clauses are basically not necessary and you can simplify the code by not using them.
    Open

                } else {
                $min = $k;
            }
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ElseExpression

    Since: 1.4.0

    An if expression with an else branch is basically not necessary. You can rewrite the conditions in a way that the else clause is not necessary and the code becomes simpler to read. To achieve this, use early return statements, though you may need to split the code it several smaller methods. For very simple assignments you could also use the ternary operations.

    Example

    class Foo
{
    public function bar($flag)
    {
        if ($flag) {
            // one branch
        } else {
            // another branch
        }
    }
}

    Source https://phpmd.org/rules/cleancode.html#elseexpression

    Avoid variables with short names like $b. Configured minimum length is 3.
    Open

            $b = ($xpoint - $this->xdata[$min]) / $h;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $n. Configured minimum length is 3.
    Open

            $n       = $this->n;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $y2. Configured minimum length is 3.
    Open

        private $y2; // 2:nd derivate of ydata
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $n. Configured minimum length is 3.
    Open

            $n       = safe_count($ydata);
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $n. Configured minimum length is 3.
    Open

        private $n = 0;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $k. Configured minimum length is 3.
    Open

                $k = ($max + $min) / 2;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $h. Configured minimum length is 3.
    Open

            $h = $this->xdata[$max] - $this->xdata[$min];
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $s. Configured minimum length is 3.
    Open

                $s            = ($xdata[$i] - $xdata[$i - 1]) / $d;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $p. Configured minimum length is 3.
    Open

                $p            = $s * $this->y2[$i - 1] + 2.0;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $a. Configured minimum length is 3.
    Open

            $a = ($this->xdata[$max] - $xpoint) / $h;
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Avoid variables with short names like $d. Configured minimum length is 3.
    Open

                $d = ($xdata[$i + 1] - $xdata[$i - 1]);
    Severity: Minor
    Found in src/util/Spline.php by phpmd

    ShortVariable

    Since: 0.2

    Detects when a field, local, or parameter has a very short name.

    Example

    class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

    Source https://phpmd.org/rules/naming.html#shortvariable

    Method name "Spline::Get" is not in camel caps format
    Open

        public function Get($num = 50)
    Severity: Minor
    Found in src/util/Spline.php by phpcodesniffer

    Method name "Spline::Interpolate" is not in camel caps format
    Open

        public function Interpolate($xpoint)
    Severity: Minor
    Found in src/util/Spline.php by phpcodesniffer

    Line exceeds 120 characters; contains 261 characters
    Open

                //('Invalid input data for spline. Two or more consecutive input X-values are equal. Each input X-value must differ since from a mathematical point of view it must be a one-to-one mapping, i.e. each X-value must correspond to exactly one Y-value.');
    Severity: Minor
    Found in src/util/Spline.php by phpcodesniffer

    Line exceeds 120 characters; contains 265 characters
    Open

                    //('Invalid input data for spline. Two or more consecutive input X-values are equal. Each input X-value must differ since from a mathematical point of view it must be a one-to-one mapping, i.e. each X-value must correspond to exactly one Y-value.');
    Severity: Minor
    Found in src/util/Spline.php by phpcodesniffer

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