File UseReturnValueVisitor.php has 331 lines of code (exceeds 250 allowed). Consider refactoring. Open
<?php
declare(strict_types=1);
namespace Phan\Plugin\Internal\UseReturnValuePlugin;The class UseReturnValueVisitor has an overall complexity of 92 which is very high. The configured complexity threshold is 50. Open
class UseReturnValueVisitor extends PluginAwarePostAnalysisVisitor
{
/** @var list<Node> set by plugin framework */
protected $parent_node_list;
- Exclude checks
Function visitCall has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring. Open
public function visitCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
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
Function findNonUnaryParentNode has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring. Open
private function findNonUnaryParentNode(Node $node): array
{
$parent = \end($this->parent_node_list);
if (!$parent) {
return [null, true];- Read upRead up
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
Method visitCall has 41 lines of code (exceeds 25 allowed). Consider refactoring. Open
public function visitCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");Method visitStaticCall has 38 lines of code (exceeds 25 allowed). Consider refactoring. Open
public function visitStaticCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");Method visitMethodCall has 36 lines of code (exceeds 25 allowed). Consider refactoring. Open
public function visitMethodCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");Function quickWarn has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring. Open
private function quickWarn(FunctionInterface $method, string $fqsen, Node $node): bool
{
if (!$method->isPure()) {
$fqsen_key = \strtolower(\ltrim($fqsen, "\\"));
$result = UseReturnValuePlugin::HARDCODED_FQSENS[$fqsen_key] ?? null;- Read upRead up
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
Method findNonUnaryParentNode has 34 lines of code (exceeds 25 allowed). Consider refactoring. Open
private function findNonUnaryParentNode(Node $node): array
{
$parent = \end($this->parent_node_list);
if (!$parent) {
return [null, true];Method quickWarn has 34 lines of code (exceeds 25 allowed). Consider refactoring. Open
private function quickWarn(FunctionInterface $method, string $fqsen, Node $node): bool
{
if (!$method->isPure()) {
$fqsen_key = \strtolower(\ltrim($fqsen, "\\"));
$result = UseReturnValuePlugin::HARDCODED_FQSENS[$fqsen_key] ?? null;Function visitStaticCall has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring. Open
public function visitStaticCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
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
Function visitMethodCall has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring. Open
public function visitMethodCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
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
Function analyzeFunctionLike has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring. Open
private function analyzeFunctionLike(Node $node): void
{
if (!$this->context->isInFunctionLikeScope()) {
return;
}- Read upRead up
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 [$parent, true];Avoid too many return statements within this method. Open
return [$parent, false];Avoid too many return statements within this method. Open
return [$parent, $this->isUsedExpressionInExprList($node, $parent)];Avoid too many return statements within this method. Open
return;Avoid too many return statements within this method. Open
return \is_string($name) && \strcasecmp($name, $const_name) === 0;Avoid too many return statements within this method. Open
return;Avoid too many return statements within this method. Open
return;Avoid too many return statements within this method. Open
return true;Function isSecondArgumentEqualToConst has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. Open
private static function isSecondArgumentEqualToConst(Node $node, string $const_name): bool
{
$args = $node->children['args']->children;
$bool_node = $args[1] ?? null;
if (!$bool_node instanceof Node) {- Read upRead up
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
The method visitStaticCall() has an NPath complexity of 384. The configured NPath complexity threshold is 200. Open
public function visitStaticCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
- Exclude checks
NPathComplexity
Since: 0.1
The NPath complexity of a method is the number of acyclic execution paths through that method. A threshold of 200 is generally considered the point where measures should be taken to reduce complexity.
Example
class Foo {
function bar() {
// lots of complicated code
}
}Source https://phpmd.org/rules/codesize.html#npathcomplexity
The method visitCall() has an NPath complexity of 300. The configured NPath complexity threshold is 200. Open
public function visitCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
- Exclude checks
NPathComplexity
Since: 0.1
The NPath complexity of a method is the number of acyclic execution paths through that method. A threshold of 200 is generally considered the point where measures should be taken to reduce complexity.
Example
class Foo {
function bar() {
// lots of complicated code
}
}Source https://phpmd.org/rules/codesize.html#npathcomplexity
The method findNonUnaryParentNode() has a Cyclomatic Complexity of 12. The configured cyclomatic complexity threshold is 10. Open
private function findNonUnaryParentNode(Node $node): array
{
$parent = \end($this->parent_node_list);
if (!$parent) {
return [null, true];- Read upRead up
- Exclude checks
CyclomaticComplexity
Since: 0.1
Complexity is determined by the number of decision points in a method plus one for the method entry. The decision points are 'if', 'while', 'for', and 'case labels'. Generally, 1-4 is low complexity, 5-7 indicates moderate complexity, 8-10 is high complexity, and 11+ is very high complexity.
Example
// Cyclomatic Complexity = 11
class Foo {
1 public function example() {
2 if ($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
The method visitCall() has a Cyclomatic Complexity of 12. The configured cyclomatic complexity threshold is 10. Open
public function visitCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
- Exclude checks
CyclomaticComplexity
Since: 0.1
Complexity is determined by the number of decision points in a method plus one for the method entry. The decision points are 'if', 'while', 'for', and 'case labels'. Generally, 1-4 is low complexity, 5-7 indicates moderate complexity, 8-10 is high complexity, and 11+ is very high complexity.
Example
// Cyclomatic Complexity = 11
class Foo {
1 public function example() {
2 if ($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
The method visitStaticCall() has a Cyclomatic Complexity of 10. The configured cyclomatic complexity threshold is 10. Open
public function visitStaticCall(Node $node): void
{
[$parent, $used] = $this->findNonUnaryParentNode($node);
if (!$parent) {
//fwrite(STDERR, "No parent in " . __METHOD__ . "\n");- Read upRead up
- Exclude checks
CyclomaticComplexity
Since: 0.1
Complexity is determined by the number of decision points in a method plus one for the method entry. The decision points are 'if', 'while', 'for', and 'case labels'. Generally, 1-4 is low complexity, 5-7 indicates moderate complexity, 8-10 is high complexity, and 11+ is very high complexity.
Example
// Cyclomatic Complexity = 11
class Foo {
1 public function example() {
2 if ($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
The method quickWarn() has a Cyclomatic Complexity of 11. The configured cyclomatic complexity threshold is 10. Open
private function quickWarn(FunctionInterface $method, string $fqsen, Node $node): bool
{
if (!$method->isPure()) {
$fqsen_key = \strtolower(\ltrim($fqsen, "\\"));
$result = UseReturnValuePlugin::HARDCODED_FQSENS[$fqsen_key] ?? null;- Read upRead up
- Exclude checks
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
Avoid using empty try-catch blocks in visitCall. Open
} catch (CodeBaseException $_) {
}- Read upRead up
- Exclude checks
EmptyCatchBlock
Since: 2.7.0
Usually empty try-catch is a bad idea because you are silently swallowing an error condition and then continuing execution. Occasionally this may be the right thing to do, but often it's a sign that a developer saw an exception, didn't know what to do about it, and so used an empty catch to silence the problem.
Example
class Foo {
public function bar()
{
try {
// ...
} catch (Exception $e) {} // empty catch block
}
}