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99.08% of the project's source code conforms to the same coding conventions

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A+consistency

Analysis of Coding Conventions for PHPMailer

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 PHPMailer

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Project
Consistency

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 65.27%
yes yes 34.73%

Based on 239 assignment blocks

Historical
  • 01 Apr 2015: there was a 4.77% swing from no to yes
  • 01 Dec 2015: there was a 4.03% swing from no to yes

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 19.66%
yes - Most popular method yes 80.34%

Based on 234 methods

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
0 0 0%
1 - Most popular method 1 81.34%
newline newline 18.66%

Based on 434 concat operators

Historical
  • 01 Feb 2015: there was a 4.29% swing away from 0
    • there was a 5.38% swing towards 1
  • 01 Dec 2015: there was a 3.76% swing away from newline
    • there was a 3.93% swing towards 1
  • 01 May 2016: there was a 3.83% swing away from 0

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 14.29%
yes - Most popular method yes 85.71%

Based on 14 array definitions

Historical
  • 01 Nov 2015: there was a 19.05% swing from no to yes
  • 01 Dec 2015: there was a 9.52% swing from no to yes
  • 01 Jan 2016: there was a 8.93% swing from no to yes
  • 01 Apr 2016: there was a 8.93% swing from yes to no
  • 01 May 2016: there was a 8.93% swing from no to yes
  • 01 Oct 2016: there was a 17.05% swing from no to yes
  • 01 Jun 2017: there was a 8.4% swing from yes to no
  • 01 Oct 2017: there was a 39.56% swing from no to yes

Lowercase filename

Are PHP filenames lowercase?

Current
Key Method Use
no no 13.11%
yes - Most popular method yes 86.89%

Based on 61 files

Historical
  • 01 Dec 2015: there was a 11.78% swing from yes to no
  • 01 May 2016: there was a 4.06% swing from no to yes

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 12.5%
yes - Most popular method yes 87.5%

Based on 8 classes

Historical
  • 01 Oct 2015: there was a 4.81% swing from no to yes
  • 01 Dec 2015: there was a 7.69% swing from no to yes
  • 01 Jan 2016: there was a 8.33% swing from yes to no
  • 01 Feb 2016: there was a 8.34% swing from yes to no
  • 01 Apr 2016: there was a 7.58% swing from no to yes
  • 01 May 2016: there was a 9.09% swing from no to yes
  • 01 Oct 2017: there was a 12.5% swing from yes to no

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 89.35%
81-120 81-120 10.51%
121-150 121-150 0.14%

Based on 9,724 lines

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 2.53%
yes - Most popular method yes 97.47%

Based on 237 functions

Historical
  • 01 Dec 2015: there was a 3.88% swing from no to yes
  • 01 Jan 2016: there was a 3.24% swing from yes to no
  • 01 Apr 2016: there was a 3.29% swing from no to yes

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 98.31%
same line same line 1.69%

Based on 237 functions

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 1.67%
1 - Most popular method 1 98.33%

Based on 60 files

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

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 1.64%
yes - Most popular method yes 98.36%

Based on 61 files

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
/* ... */ /* ... */ 1.58%
// ... - Most popular method // ... 98.42%

Based on 571 inline comments

Historical
  • 01 Feb 2015: there was a 3.22% swing from /* ... */ to // ...

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 0.23%
1 - Most popular method 1 98.85%
newline newline 0.92%

Based on 434 concat operators

Historical
  • 01 Feb 2015: there was a 4.57% swing from 0 to 1
  • 01 Oct 2017: there was a 5.78% swing from 0 to 1

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
0 0 0.66%
1 - Most popular method 1 99.34%

Based on 303 operators

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
0 0 0.08%
1 - Most popular method 1 99.85%
newline newline 0.08%

Based on 2,655 operators

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 69 open tags

Historical

Spacing after cast statement

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

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

Based on 20 cast statements

Historical
  • 01 Oct 2017: there was a 100% swing from 0 to 1

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 2,122 keywords

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 0 100%

Based on 552 control structures

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 0 100%

Based on 478 control structures

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 0%
yes - Most popular method yes 100%

Based on 8 classes

Historical
  • 01 Oct 2015: there was a 4.81% swing from no to yes
  • 01 Dec 2015: there was a 7.69% swing from no to yes

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%

Based on 61 files

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%
same line same line 0%

Based on 8 classes

Historical
  • 01 Feb 2015: there was a 12.5% swing from same line to new line
  • 01 Feb 2016: there was a 8.33% swing from new line to same line
  • 01 May 2016: there was a 9.09% swing from same line to new line

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 8 class files

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 3,058 statements

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%
upper upper 0%

Based on 272 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 536 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 8 classes

Historical
  • 01 Dec 2015: there was a 100% 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 478 control structures

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 8 classes

Historical
  • 01 Oct 2015: there was a 9.62% swing from no to yes
  • 01 Dec 2015: there was a 15.38% swing from no to yes
  • 01 Feb 2016: there was a 8.33% swing from yes to no
  • 01 May 2016: there was a 9.09% swing from no to yes

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 0 100%

Based on 552 control structures

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 53 non-class files

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 8,082 indented lines

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 5 closures

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 6 private methods

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
elseif - Most popular method elseif 100%

Based on 22 elseif 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 11 echo 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 61 files

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 32 constants

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 0 100%

Based on 2,663 object operators

Historical

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 20 PHP types

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 2,663 object operators

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 61 files

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 171 array definitions

Historical
  • 01 Dec 2015: there was a 97.33% swing from no to yes
  • 01 Aug 2017: there was a 4.54% swing from no to yes