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Aconsistency

Analysis of Coding Conventions for AWS SDK for PHP

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 AWS SDK for PHP

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Project
Consistency

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 0.92%
1 - Most popular method 1 51.38%
newline newline 47.71%

Based on 327 concat operators

Historical
  • 01 Jun 2015: there was a 18.85% swing towards newline
    • there was a 18.55% swing away from 1
  • 01 Oct 2015: there was a 3.48% swing from 1 to newline

Array end comma

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

Current
Key Method Use
no - Most popular method no 54.55%
yes yes 45.45%

Based on 22 array definitions

Historical
  • 01 Jun 2015: there was a 3.78% swing from no to yes
  • 01 Jul 2015: there was a 4.55% swing from no to yes
  • 01 Aug 2015: there was a 3.85% swing from yes to no
  • 01 Jan 2016: there was a 3.85% swing from no to yes
  • 01 Feb 2016: there was a 6.25% swing from no to yes
  • 01 Jan 2017: there was a 3.26% swing from yes to no

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 42.88%
yes - Most popular method yes 57.12%

Based on 1,096 functions

Historical
  • 01 Jun 2015: there was a 20.34% 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?

Current
Key Method Use
new line new line 38.72%
same line - Most popular method same line 61.28%

Based on 452 classes

Historical
  • 01 Jun 2015: there was a 16.72% swing from same line to new line

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 38.26%
yes - Most popular method yes 61.74%

Based on 1,184 files

Historical
  • 01 Jun 2015: there was a 96.31% swing from yes to no
  • 01 Sep 2015: there was a 42.4% swing from no to yes

Lowercase filename

Are PHP filenames lowercase?

Current
Key Method Use
no no 38.18%
yes - Most popular method yes 61.82%

Based on 1,184 files

Historical
  • 01 Sep 2015: there was a 42.2% 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
0 0 0.53%
1 - Most popular method 1 77.03%
newline newline 22.44%

Based on 936 operators

Historical
  • 01 Jun 2015: there was a 14.61% swing towards newline
    • there was a 14.43% swing away from 1

PHP constant case

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

Current
Key Method Use
lower lower 20.17%
upper - Most popular method upper 79.83%

Based on 29,716 PHP constants

Historical
  • 01 Sep 2015: there was a 44.64% swing from lower to upper
  • 01 Dec 2015: there was a 42.07% swing from upper to lower
  • 01 Jan 2016: there was a 27.56% swing from lower to upper
  • 01 Feb 2016: there was a 5.71% swing from lower to upper
  • 01 Mar 2016: there was a 9.33% swing from lower to upper
  • 01 Apr 2016: there was a 18.26% swing from lower to upper

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 87.56%
81-120 81-120 10.33%
121-150 121-150 0.33%
151 or more 151 or more 1.78%

Based on 34,094 lines

Historical
  • 01 Jun 2015: there was a 6.5% swing towards 80 or less
    • there was a 5.39% swing away from 81-120
  • 01 Oct 2015: there was a 3.21% swing away from 80 or less
    • there was a 3.41% swing towards 81-120

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 87.77%
same line same line 12.23%

Based on 989 functions

Historical
  • 01 Jun 2015: there was a 7.25% swing from new line to same line

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 89.36%
yes yes 10.64%

Based on 357 assignment blocks

Historical
  • 01 Jun 2015: there was a 8.73% swing from yes to no

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 7.75%
yes - Most popular method yes 92.25%

Based on 916 methods

Historical
  • 01 Jun 2015: there was a 7.46% swing from yes to no

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 6.64%
yes - Most popular method yes 93.36%

Based on 452 classes

Historical

Spacing after cast statement

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

Current
Key Method Use
0 0 3.8%
1 - Most popular method 1 96.2%

Based on 79 cast statements

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 2.22%
elseif - Most popular method elseif 97.78%

Based on 45 elseif statements

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 98.5%
newline newline 1.5%

Based on 3,195 object operators

Historical
  • 01 Jun 2015: there was a 6.07% swing from newline to 0

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 0.61%
1 - Most popular method 1 99.08%
2 2 0.31%

Based on 327 concat 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 0.59%
1 - Most popular method 1 99.41%

Based on 1,184 files

Historical
  • 01 Aug 2015: there was a 3.26% swing from 1 to 0

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 99.48%
newline newline 0.52%

Based on 958 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 0.44%
yes - Most popular method yes 99.56%

Based on 452 classes

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 99.9%
yes yes 0.1%

Based on 998 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 99.9%
1 1 0.1%

Based on 1,037 control structures

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 99.92%
yes yes 0.08%

Based on 1,184 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 99.97%
yes yes 0.03%

Based on 6,103 statements

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 < 0.01%
1 - Most popular method 1 100%
newline newline < 0.01%

Based on 489,237 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 < 0.01%
yes - Most popular method yes 100%

Based on 235,860 array definitions

Historical
  • 01 Jun 2015: there was a 99.11% swing from no to yes

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 732 non-class 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
// ... - Most popular method // ... 100%

Based on 1,188 inline comments

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 452 class files

Historical

CamelCase function name

Are global function names defined using CamelCase?

This project is using the popular method for this convention

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

Based on 7 global functions

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%

Based on 1,184 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%

Based on 256 private methods

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 18,005 indented lines

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 3,195 object 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
yes - Most popular method yes 100%

Based on 452 classes

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 9,833 keywords

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 958 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 452 classes

Historical
  • 01 Jun 2015: there was a 3.37% swing from no to yes

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 58 constants

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 1,037 control structures

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 6 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 1,184 open tags

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 191 closures

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 453 PHP types

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 1 echo statements

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 1,184 files

Historical