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99.68% of the project's source code conforms to the same coding conventions

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Analysis of Coding Conventions for Yii PHP Framework Version 2

PHP_CodeSniffer, using a custom coding standard and report, was used to record various coding conventions across 196 PHP projects.

Conventions

Analysis of Coding Conventions for Yii PHP Framework Version 2

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Project
Consistency

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 84.92%
81-120 81-120 12.51%
121-150 121-150 1.67%
151 or more 151 or more 0.89%

Based on 93,829 lines

Historical

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
/* ... */ /* ... */ 13.7%
// ... - Most popular method // ... 86.3%

Based on 1,307 inline comments

Historical
  • 01 Apr 2015: there was a 10.91% swing away from /* ... */
    • there was a 10.96% swing towards // ...

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 86.55%
yes yes 13.45%

Based on 461 files

Historical
  • 01 Apr 2015: there was a 10.63% swing from yes to no

Array end comma

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

Current
Key Method Use
no no 12.96%
yes - Most popular method yes 87.04%

Based on 54 array definitions

Historical
  • 01 Apr 2015: there was a 4.53% swing from yes to no
  • 01 Jan 2016: there was a 4.67% swing from yes to no
  • 01 Apr 2016: there was a 3.93% swing from no to yes
  • 01 Jun 2016: there was a 10% swing from no to yes
  • 01 Jul 2017: there was a 15.67% swing from no to yes
  • 01 Nov 2017: there was a 3.16% swing from yes to no

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 91.42%
yes yes 8.58%

Based on 1,084 assignment blocks

Historical

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
0 0 0%
1 - Most popular method 1 96.44%
newline newline 3.56%

Based on 2,360 concat operators

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 2.06%
yes - Most popular method yes 97.94%

Based on 389 classes

Historical

CamelCase class name

Are class names defined using CamelCase?

This project is using the popular method for this convention

Current
Key Method Use
no no 1.54%
yes - Most popular method yes 98.46%

Based on 389 classes

Historical

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 1.53%
yes - Most popular method yes 98.47%

Based on 3,146 functions

Historical

File has doc comment

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

This project is using the popular method for this convention

Current
Key Method Use
no no 1.3%
yes - Most popular method yes 98.7%

Based on 461 files

Historical
  • 01 Apr 2015: there was a 12.65% swing from no to yes

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 98.95%
newline newline 1.05%

Based on 16,039 object operators

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 99.13%
yes yes 0.87%

Based on 461 files

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 0.78%
yes - Most popular method yes 99.22%

Based on 3,059 methods

Historical

Spacing after cast statement

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

Current
Key Method Use
0 0 0.77%
1 - Most popular method 1 99.23%

Based on 261 cast statements

Historical
  • 01 Jul 2015: there was a 8.43% swing from 0 to 1
  • 01 Sep 2016: there was a 4.09% swing from 1 to 0
  • 01 Jul 2017: there was a 10.37% swing from 0 to 1

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
0 0 0%
1 - Most popular method 1 99.28%
newline newline 0.72%

Based on 2,360 concat operators

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 0.7%
yes - Most popular method yes 99.3%

Based on 2,418 array definitions

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 99.57%
yes yes 0.43%

Based on 461 files

Historical

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 99.57%
newline newline 0.43%

Based on 4,637 operators

Historical

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 0.23%
1 - Most popular method 1 99.77%

Based on 442 files

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 99.84%
newline newline 0.16%

Based on 5,473 control structures

Historical

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 99.98%
newline newline 0.02%

Based on 22,287 operators

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 99.98%
1 1 0.02%

Based on 6,244 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 99.98%
1 1 0.02%

Based on 6,244 control structures

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 99.99%
yes yes 0.01%

Based on 17,064 statements

Historical

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 116 echo statements

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%

Based on 79,372 indented lines

Historical

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%

Based on 389 classes

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
yes - Most popular method yes 100%

Based on 389 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
yes - Most popular method yes 100%

Based on 389 classes

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 389 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 16,039 object 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 100%

Based on 2,949 functions

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%

Based on 139 private methods

Historical

Array keyword case

When defining an array, how is the array keyword written?

This project is using the popular method for this convention

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

Based on 17 array definitions

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 1,761 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 467 elseif statements

Historical

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 5,473 control structures

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
upper - Most popular method upper 100%

Based on 263 constants

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 26,241 keywords

Historical

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 72 non-class files

Historical

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%

Based on 3,700 PHP constants

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 6,116 control structures

Historical

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 461 files

Historical