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98.95% of the project's source code conforms to the same coding conventions

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Aconsistency

Analysis of Coding Conventions for TYPO3 CMS

PHP_CodeSniffer, using a custom coding standard and report, was used to record various coding conventions across 197 PHP projects.

Conventions

Analysis of Coding Conventions for TYPO3 CMS

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Project
Consistency

Array end comma

Does the last item end with a comma in a multi-line array definition?

This project is using the popular method for this convention

Current
Key Method Use
no no 49.33%
yes - Most popular method yes 50.67%

Based on 973 array definitions

Historical
  • 01 Oct 2015: there was a 6.82% swing from no to yes
  • 01 Nov 2015: there was a 3.35% swing from no to yes
  • 01 Sep 2017: there was a 20.09% swing from no to yes

Inline comment style

What comment style is used for non docblock comments?

This project is using the popular method for this convention

Current
Key Method Use
/* ... */ /* ... */ 12.68%
// ... - Most popular method // ... 87.32%

Based on 17,416 inline comments

Historical

Line length

Including whitespace and comments, how many characters are in non-empty code lines?

This project is using the popular method for this convention

Current
Key Method Use
80 or less - Most popular method 80 or less 87.76%
81-120 81-120 9.5%
121-150 121-150 1.75%
151 or more 151 or more 0.99%

Based on 429,985 lines

Historical

Constant name case

What case are user-defined constants defined in?

This project is using the popular method for this convention

Current
Key Method Use
lower lower 1.1%
mixed mixed 9.26%
upper - Most popular method upper 89.65%

Based on 821 constants

Historical
  • 01 Dec 2015: there was a 7.4% swing away from mixed
    • there was a 7.27% swing towards upper

Adjacent assignments aligned

For a block of assignments, are the assignment operators (equals, plus-equals etc.) aligned?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 90.3%
yes yes 9.7%

Based on 8,879 assignment blocks

Historical

Lowercase filename

Are PHP filenames lowercase?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 93.11%
yes yes 6.89%

Based on 2,380 files

Historical
  • 01 Sep 2015: there was a 3.7% swing from yes to no

Spacing before string concat

How many spaces precede the string concatenation operator?

This project is using the popular method for this convention

Current
Key Method Use
1 - Most popular method 1 93.39%
newline newline 6.61%

Based on 22,432 concat operators

Historical

CamelCase method name

Are class method names defined using CamelCase?

This project is using the popular method for this convention

Current
Key Method Use
no no 5.24%
yes - Most popular method yes 94.76%

Based on 13,035 methods

Historical

Spacing before object operator

How many spaces precede the object operator (->)?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 95.54%
newline newline 4.46%

Based on 94,713 object operators

Historical

Class has doc comment

Does each class have a docblock comment to describe its purpose?

This project is using the popular method for this convention

Current
Key Method Use
no no 4.22%
yes - Most popular method yes 95.78%

Based on 2,229 classes

Historical

One class per file

Is each class defined in a file by itself?

This project is using the popular method for this convention

Current
Key Method Use
no no 3.45%
yes - Most popular method yes 96.55%

Based on 2,229 classes

Historical
  • 01 Dec 2015: there was a 38.76% swing from no to yes

Space before operator

How many spaces precede comparison, arithmetic and assignment operators?

This project is using the popular method for this convention

Current
Key Method Use
1 - Most popular method 1 97.84%
newline newline 2.11%
Other other 0.05%

Based on 17,823 operators

Historical

Spacing after string concat

How many spaces follow the string concatenation operator?

This project is using the popular method for this convention

Current
Key Method Use
1 - Most popular method 1 98.42%
newline newline 1.58%

Based on 22,432 concat operators

Historical

File has doc comment

Does each PHP file have a docblock comment to describe its purpose?

Current
Key Method Use
no - Most popular method no 98.45%
yes yes 1.55%

Based on 2,380 files

Historical
  • 01 Apr 2015: there was a 6.78% swing from yes to no

Space after operator

How many spaces follow comparison, arithmetic and assignment operators?

This project is using the popular method for this convention

Current
Key Method Use
1 - Most popular method 1 98.85%
Other other 1.15%

Based on 96,143 operators

Historical

Function opening brace placement

Is the opening brace of a function on the same line as the function keyword or the next line?

This project is using the popular method for this convention

Current
Key Method Use
new line - Most popular method new line 99.15%
same line same line 0.85%

Based on 13,017 functions

Historical
  • 01 Apr 2015: there was a 8.05% swing from new line to same line
  • 01 Nov 2015: there was a 94.97% swing from same line to new line

Function has doc comment

Does each function have a docblock comment to describe its purpose?

This project is using the popular method for this convention

Current
Key Method Use
no no 0.76%
yes - Most popular method yes 99.24%

Based on 13,677 functions

Historical

Spaces after control structure open parenthesis

How many spaces follow the opening parenthesis of a control structure?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 99.29%
newline newline 0.71%

Based on 25,979 control structures

Historical

Blank lines at start of control structure

How many blank lines precede the body of a control structure?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 99.93%
1 1 0.07%

Based on 29,704 control structures

Historical

Blank lines at end of control structure

How many blank lines follow the body of a control structure?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 99.99%
1 1 0.01%

Based on 29,642 control structures

Historical

Class defined in namespace

Is each class defined in a namespace of at least 1 level?

This project is using the popular method for this convention

Current
Key Method Use
no no 0%
yes - Most popular method yes 100%

Based on 2,229 classes

Historical
  • 01 Apr 2015: there was a 3.23% swing from no to yes
  • 01 Dec 2015: there was a 39.86% swing from no to yes

Spaces before control structure close parenthesis

How many spaces precede the closing parenthesis of a control structure?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 100%

Based on 25,979 control structures

Historical

PHP keyword case

What case are PHP keywords (function, echo, foreach etc.) written in?

This project is using the popular method for this convention

Current
Key Method Use
lower - Most popular method lower 100%

Based on 114,904 keywords

Historical

PHP short open tag used

Is the PHP short open tag syntax used?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%

Based on 2,380 open tags

Historical

Use of ELSE IF or ELSEIF

Are elseif statements defined using elseif or else if?

This project is using the popular method for this convention

Current
Key Method Use
else if else if 0%
elseif - Most popular method elseif 100%

Based on 1,092 elseif statements

Historical

Declarations and side effects mixed

Do files both declare symbols (classes, functions, constants, etc.) and cause side-effects (e.g. generate output, change .ini settings, etc.)?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%
yes yes 0%

Based on 2,380 files

Historical

PHP closing tag at EOF

Is there a PHP closing tag at the end of the file?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%
yes yes 0%

Based on 2,380 files

Historical

Closure opening brace placement

Is the opening brace of a closure on the same line as the function keyword or the next line?

This project is using the popular method for this convention

Current
Key Method Use
same line - Most popular method same line 100%

Based on 134 closures

Historical

Multiple statements on same line

Are multiple statements defined on the same line of code?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%

Based on 97,662 statements

Historical

PascalCase class name

Are class names defined using PascalCase?

This project is using the popular method for this convention

Current
Key Method Use
no no 0%
yes - Most popular method yes 100%

Based on 2,229 classes

Historical
  • 01 Apr 2015: there was a 3.19% swing from no to yes
  • 01 Dec 2015: there was a 39.71% swing from no to yes

Number of newlines at EOF

How many newline characters appear at the end of the file?

This project is using the popular method for this convention

Current
Key Method Use
0 0 0%
1 - Most popular method 1 100%
2 2 0%

Based on 2,380 files

Historical
  • 01 Nov 2015: there was a 3.57% swing away from 0
    • there was a 3.83% swing towards 1

Spacing after cast statement

How many spaces are there between a cast statement and the variable?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 100%
1 1 0%

Based on 3,978 cast statements

Historical
  • 01 Apr 2015: there was a 3.17% swing from 1 to 0

File extension for non-class files

For files that do not contain classes, what extension does the file use?

This project is using the popular method for this convention

Current
Key Method Use
.php - Most popular method .php 100%

Based on 228 non-class files

Historical

Spacing after object operator

How many spaces follow the object operator (->)?

This project is using the popular method for this convention

Current
Key Method Use
0 - Most popular method 0 100%

Based on 94,713 object operators

Historical

Line indent

Are lines indented using spaces or tabs?

This project is using the popular method for this convention

Current
Key Method Use
spaces - Most popular method spaces 100%
tabs tabs 0%

Based on 366,274 indented lines

Historical
  • 01 Apr 2015: there was a 8.76% swing from spaces to tabs
  • 01 Nov 2015: there was a 96.62% swing from tabs to spaces

PHP constant case

What case are PHP constants (true, false, null) written in?

This project is using the popular method for this convention

Current
Key Method Use
lower - Most popular method lower 100%
upper upper 0%

Based on 10,762 PHP constants

Historical
  • 01 Apr 2015: there was a 35.41% swing from lower to upper
  • 01 Nov 2015: there was a 91.42% swing from upper to lower

PHP type case

What case are PHP types (int, bool, string) written in?

This project is using the popular method for this convention

Current
Key Method Use
lower - Most popular method lower 100%

Based on 7,798 PHP types

Historical

Short array syntax used

Are arrays defined using the PHP 5.4+ short array syntax?

This project is using the popular method for this convention

Current
Key Method Use
no no 0%
yes - Most popular method yes 100%

Based on 16,946 array definitions

Historical
  • 01 Sep 2016: there was a 87.29% swing from no to yes

Brackets around echoed strings

Are parenthesis placed around echo'd strings?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%

Based on 36 echo statements

Historical

File extension for class files

For files that contain classes, what extension does the file use?

This project is using the popular method for this convention

Current
Key Method Use
.php - Most popular method .php 100%

Based on 2,152 class files

Historical

Private method prefixed with underscore

Are private methods prefixed with an underscore?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%
yes yes 0%

Based on 42 private methods

Historical
  • 01 Apr 2015: there was a 71.76% swing from yes to no

Class opening brace placement

Is the opening brace of a class on the same line as the class keyword or the next line?

This project is using the popular method for this convention

Current
Key Method Use
new line - Most popular method new line 100%
same line same line 0%

Based on 2,229 classes

Historical
  • 01 Apr 2015: there was a 5.38% swing from new line to same line
  • 01 Nov 2015: there was a 96.78% swing from same line to new line

EOL char

What character is used for line breaks?

This project is using the popular method for this convention

Current
Key Method Use
\n - Most popular method \n 100%

Based on 2,380 files

Historical

Control structure defined inline

Are control structures defined inline (without braces)?

This project is using the popular method for this convention

Current
Key Method Use
no - Most popular method no 100%

Based on 28,585 control structures

Historical