The class MigrateController has an overall complexity of 68 which is very high. The configured complexity threshold is 50. Open
class MigrateController extends BaseMigrateController
{
/**
* Maximum length of a migration name.
* @since 2.0.13
- Exclude checks
Function generateMigrationSourceCode
has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring. Open
protected function generateMigrationSourceCode($params)
{
$parsedFields = $this->parseFields();
$fields = $parsedFields['fields'];
$foreignKeys = $parsedFields['foreignKeys'];
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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 truncateDatabase
has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring. Open
protected function truncateDatabase()
{
$db = $this->db;
$schemas = $db->schema->getTableSchemas();
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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 parseFields
has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring. Open
protected function parseFields()
{
$fields = [];
$foreignKeys = [];
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Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Function getMigrationHistory
has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring. Open
protected function getMigrationHistory($limit)
{
if ($this->db->schema->getTableSchema($this->migrationTable, true) === null) {
$this->createMigrationHistoryTable();
}
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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 $history;
The method generateMigrationSourceCode() has 100 lines of code. Current threshold is set to 100. Avoid really long methods. Open
protected function generateMigrationSourceCode($params)
{
$parsedFields = $this->parseFields();
$fields = $parsedFields['fields'];
$foreignKeys = $parsedFields['foreignKeys'];
- Exclude checks
The method generateMigrationSourceCode() has a Cyclomatic Complexity of 15. The configured cyclomatic complexity threshold is 10. Open
protected function generateMigrationSourceCode($params)
{
$parsedFields = $this->parseFields();
$fields = $parsedFields['fields'];
$foreignKeys = $parsedFields['foreignKeys'];
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CyclomaticComplexity
Since: 0.1
Complexity is determined by the number of decision points in a method plus one for the method entry. The decision points are 'if', 'while', 'for', and 'case labels'. Generally, 1-4 is low complexity, 5-7 indicates moderate complexity, 8-10 is high complexity, and 11+ is very high complexity.
Example
// Cyclomatic Complexity = 11
class Foo {
1 public function example() {
2 if ($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 assigning values to variables in if clauses and the like (line '247', column '22'). Open
protected function getMigrationHistory($limit)
{
if ($this->db->schema->getTableSchema($this->migrationTable, true) === null) {
$this->createMigrationHistoryTable();
}
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IfStatementAssignment
Since: 2.7.0
Assignments in if clauses and the like are considered a code smell. Assignments in PHP return the right operand as their result. In many cases, this is an expected behavior, but can lead to many difficult to spot bugs, especially when the right operand could result in zero, null or an empty string and the like.
Example
class Foo
{
public function bar($flag)
{
if ($foo = 'bar') { // possible typo
// ...
}
if ($baz = 0) { // always false
// ...
}
}
}
Source http://phpmd.org/rules/cleancode.html#ifstatementassignment
Avoid unused local variables such as '$index'. Open
foreach ($this->fields as $index => $field) {
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UnusedLocalVariable
Since: 0.2
Detects when a local variable is declared and/or assigned, but not used.
Example
class Foo {
public function doSomething()
{
$i = 5; // Unused
}
}
Source https://phpmd.org/rules/unusedcode.html#unusedlocalvariable
Avoid unused local variables such as '$key'. Open
foreach ($rows as $key => $row) {
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UnusedLocalVariable
Since: 0.2
Detects when a local variable is declared and/or assigned, but not used.
Example
class Foo {
public function doSomething()
{
$i = 5; // Unused
}
}
Source https://phpmd.org/rules/unusedcode.html#unusedlocalvariable
Avoid unused local variables such as '$foreignKey'. Open
foreach ($schema->foreignKeys as $name => $foreignKey) {
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UnusedLocalVariable
Since: 0.2
Detects when a local variable is declared and/or assigned, but not used.
Example
class Foo {
public function doSomething()
{
$i = 5; // Unused
}
}