markdown AVNLIPPP - 流行的PHP项目中的平均变量名称长度
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#!/usr/bin/env bash
set -o errexit # Exit script when a command exits with non-zero status.
set -o errtrace # Exit on error inside any functions or sub-shells.
set -o nounset # Exit script on use of an undefined variable.
set -o pipefail # Return exit status of the last command in the pipe that exited with a non-zero exit code
: readonly "${GRAPH_URL:=https://image-charts.com/chart?chs=800x600&cht=bvs&chds=a&chxt=x,y&chg=1,1&chco=777BB3&chtt=%s+PHP+variable+name+length&chd=t:0,%s}"
# : readonly "${NORMAL_OUTPUT:=/dev/stdout}"
: readonly "${NORMAL_OUTPUT:=/dev/null}"
: readonly "${WORKING_DIRECTORY:=$PWD}"
: readonly "${ACK:=ack-grep}"
variable-names-length-per-php-project() {
calculate-average() {
local -a aScoreList
local -i iAverage=0 iCount iIndex iTotal=0 iTotalCount=0
local sScoreList
readonly sScoreList="${1?One parameter required: <score-list>}"
readonly aScoreList=( ${sScoreList//,/ } )
for iIndex in "${!aScoreList[@]}"; do
iCount="${aScoreList[${iIndex}]}"
if [[ "${iCount}" -ne 0 ]];then
iTotal=$(( iTotal + $((iCount * $((iIndex+1))))))
fi
iTotalCount=$(( iTotalCount + iCount ))
done
if [[ ${iTotalCount} -gt 0 ]];then
iAverage=$(( iTotal / iTotalCount ));
fi
echo "${iAverage}"
}
calculate-minimum() {
local -a aScoreList
local -i iIndex iMinimum=0
local sScoreList
readonly sScoreList="${1?One parameter required: <score-list>}"
readonly aScoreList=( ${sScoreList//,/ } )
for iIndex in "${!aScoreList[@]}"; do
if [[ "${aScoreList[${iIndex}]}" -ne 0 ]];then
readonly iMinimum=$((iIndex + 1))
break
fi
done
echo "${iMinimum}";
}
calculate-maximum() {
local -a aScoreList
local -i iIndex iMaximum=0
local sScoreList
readonly sScoreList="${1?One parameter required: <score-list>}"
readonly aScoreList=( ${sScoreList//,/ } )
for iIndex in "${!aScoreList[@]}"; do
if [[ "${aScoreList[${iIndex}]}" -ne 0 ]];then
iMaximum=$((iIndex + 1))
fi
done
echo "${iMaximum}";
}
clear-line() {
tput cuu 1 && tput el
}
create-variables-list() {
local -i iCounter iResult
local sDirectory sPattern sResult=''
readonly sDirectory="${1?One parameter required: <directory-to-scan>}"
for iCounter in {1..50};do
sPattern='\$[a-zA-Z0-9_]{'${iCounter}'}\b';
iResult="$(create-ack-list "${sPattern}" "${sDirectory}" | wc -l)"
sResult+="${iResult},"
done
# Remove trailing comma
echo "${sResult:0:-1}"
}
create-ack-list() {
local sDirectory sPattern
readonly sPattern="${1?Two parameters required: <ack-pattern> <directory-to-scan>}"
readonly sDirectory="${2?Two parameters required: <ack-pattern> <directory-to-scan>}"
{ "${ACK}" \
--php \
--ignore-file='match:/^.*(\.phar|Test.php)$/' \
--match "${sPattern}" \
-o \
--ignore-dir=vendor --ignore-dir=var \
"${sDirectory}" \
| cut -d ':' -f 3 \
| sort -u
} || echo -n ''
}
fetch-github-list() {
curl -s 'https://api.github.com/search/repositories?q=language%3APHP&sort=stars&language=php' \
| grep 'clone_url' \
| cut -d'"' -f4
}
print-topic() {
echo -e " =====> $*\n" >> "${NORMAL_OUTPUT}"
}
print-status() {
echo -e " -----> $*\n" >> "${NORMAL_OUTPUT}"
}
main() {
local -a aProjects
local sDetailResult sDirectory sFile sImagesUrl sProject sResult sSummaryResult sUrl
mkdir -p "${WORKING_DIRECTORY}/build/"
if [[ ! -f "${WORKING_DIRECTORY}/github.log" ]];then
print-topic 'Fetching project list from Github'
echo "$(fetch-github-list)" > "${WORKING_DIRECTORY}/github.log"
fi
readonly aProjects=( $(cat "${WORKING_DIRECTORY}/github.log" ) )
for sUrl in "${aProjects[@]}";do
print-topic 'Processing project list'
sProject="$(echo "${sUrl:19:-4}" | tr '/' '_')"
sDirectory="${WORKING_DIRECTORY}/${sProject}"
if [[ "${sProject}" = '' ]];then
echo " ! ERROR"
exit 90
fi
if [[ ! -f "${WORKING_DIRECTORY}/build/${sProject}.txt" ]];then
if [[ ! -d "${WORKING_DIRECTORY}/${sProject}" ]];then
print-status "Cloning ${sUrl}"
git clone ${sUrl} "${WORKING_DIRECTORY}/${sProject}"
fi
print-status "Creating list of variables for ${sProject}"
echo "$(create-variables-list "${sDirectory}")" > "${WORKING_DIRECTORY}/build/${sProject}.txt"
if [[ -d "${WORKING_DIRECTORY}/${sProject}" ]];then
rm -rdf "${WORKING_DIRECTORY}/${sProject}"
fi
fi
done
sSummaryResult=''
sDetailResult=''
for sFile in "${WORKING_DIRECTORY}/build/"*".txt";do
sProject="$(basename ${sFile:0:-4} | tr '_' '/')"
sResult="$(cat ${sFile})"
iAverage=$(calculate-average "${sResult}")
iMin=$(calculate-minimum "${sResult}")
iMax=$(calculate-maximum "${sResult}")
sImagesUrl="$(printf "${GRAPH_URL}" "${sProject}" "${sResult}")"
# sSummaryResult+="$(printf '%2i (min:%2i | max:%2i) %s' "${iAverage}" "${iMin}" "${iMax}" "${sProject}")\n"
sSummaryResult+="$(printf '| %2i | %2i | %2i | [%s](https://github.com/%s) |' "${iAverage}" "${iMin}" "${iMax}" "${sProject}" "${sProject}")\n"
# if [[ ! -f "${WORKING_DIRECTORY}/build/${sProject}.png" ]];then
# print-status "Downloading graph image for ${sProject}"
# wget --quiet --output-document="${WORKING_DIRECTORY}/${sProject}.png" "${sImagesUrl}"
# fi
sDetailResult+="$(
printf '\n\n### %s\n\n\n\n- Average: %2i\n- Shortest: %2i\n- Longest: %2i\n' \
"${sProject}" "${sImagesUrl}" "${iAverage}" "${iMin}" "${iMax}"
)"
done
# echo -e "${sSummaryResult}" | sort -bdf -k1,1nr -k5,5
echo '| Average | Shortest | Longest | Project |'
echo '| --- | --- | --- | ---|'
echo -e "${sSummaryResult}" | sort -t'|' -bdf -k2,2nr -k6,6nr
echo -e "${sDetailResult}"
}
main "${@}"
}
if [[ ${BASH_SOURCE[0]} != $0 ]]; then
export -f variable-names-length-per-php-project
else
variable-names-length-per-php-project "${@}"
exit ${?}
fi
# EOF
# AVNLIPPP
> Average variable name length in popular PHP projects
## Introduction
This project show the average length of [variable](http://php.net/manual/en/language.variables.php)
names of [the Top 30 (by ammount of stars) PHP projects on Github](https://github.com/search?l=php&q=language%3APHP&s=stars&type=Repositories).
The logic that is used to retrieve these values has been included as [a separate shell script](variable-names-length-per-php-project.sh).
## Result
| Average | Shortest | Longest | Project |
| ------- | -------- | ------- | -----------------------------------------------------------|
| 12 | 1 | 48 | [matomo-org/matomo](https://github.com/matomo-org/matomo) |
| 11 | 1 | 49 | [WordPress/WordPress](https://github.com/WordPress/WordPress) |
| 10 | 1 | 27 | [octobercms/october](https://github.com/octobercms/october) |
| 10 | 1 | 29 | [composer/composer](https://github.com/composer/composer) |
| 10 | 1 | 35 | [phacility/phabricator](https://github.com/phacility/phabricator) |
| 10 | 1 | 39 | [yiisoft/yii2](https://github.com/yiisoft/yii2) |
| 10 | 1 | 41 | [symfony/symfony](https://github.com/symfony/symfony) |
| 10 | 1 | 47 | [sebastianbergmann/phpunit](https://github.com/sebastianbergmann/phpunit) |
| 9 | 1 | 29 | [CachetHQ/Cachet](https://github.com/CachetHQ/Cachet) |
| 9 | 1 | 32 | [PHPOffice/PHPExcel](https://github.com/PHPOffice/PHPExcel) |
| 9 | 1 | 36 | [fzaninotto/Faker](https://github.com/fzaninotto/Faker) |
| 9 | 1 | 38 | [getgrav/grav](https://github.com/getgrav/grav) |
| 8 | 1 | 23 | [bcit-ci/CodeIgniter](https://github.com/bcit-ci/CodeIgniter) |
| 8 | 1 | 23 | [slimphp/Slim](https://github.com/slimphp/Slim) |
| 8 | 1 | 26 | [Seldaek/monolog](https://github.com/Seldaek/monolog) |
| 8 | 1 | 26 | [dingo/api](https://github.com/dingo/api) |
| 8 | 1 | 34 | [cakephp/cakephp](https://github.com/cakephp/cakephp) |
| 8 | 1 | 36 | [laravel/framework](https://github.com/laravel/framework) |
| 8 | 3 | 19 | [serbanghita/Mobile-Detect](https://github.com/serbanghita/Mobile-Detect) |
| 7 | 1 | 15 | [domnikl/DesignPatternsPHP](https://github.com/domnikl/DesignPatternsPHP) |
| 7 | 1 | 23 | [barryvdh/laravel-debugbar](https://github.com/barryvdh/laravel-debugbar) |
| 7 | 1 | 23 | [guzzle/guzzle](https://github.com/guzzle/guzzle) |
| 7 | 1 | 23 | [phalcon/cphalcon](https://github.com/phalcon/cphalcon) |
| 7 | 1 | 26 | [phanan/koel](https://github.com/phanan/koel) |
| 7 | 1 | 28 | [PHPMailer/PHPMailer](https://github.com/PHPMailer/PHPMailer) |
| 6 | 1 | 17 | [briannesbitt/Carbon](https://github.com/briannesbitt/Carbon) |
| 6 | 1 | 17 | [roots/sage](https://github.com/roots/sage) |
| 6 | 2 | 16 | [laravel/laravel](https://github.com/laravel/laravel) |
| 5 | 1 | 20 | [danielmiessler/SecLists](https://github.com/danielmiessler/SecLists) |
| 0 | 0 | 0 | [flarum/flarum](https://github.com/flarum/flarum) |
### CachetHQ/Cachet
- Average: 9
- Shortest: 1
- Longest: 29
### PHPMailer/PHPMailer
- Average: 7
- Shortest: 1
- Longest: 28
### PHPOffice/PHPExcel
- Average: 9
- Shortest: 1
- Longest: 32
### Seldaek/monolog
- Average: 8
- Shortest: 1
- Longest: 26
### WordPress/WordPress
- Average: 11
- Shortest: 1
- Longest: 49
### barryvdh/laravel-debugbar
- Average: 7
- Shortest: 1
- Longest: 23
### bcit-ci/CodeIgniter
- Average: 8
- Shortest: 1
- Longest: 23
### briannesbitt/Carbon
- Average: 6
- Shortest: 1
- Longest: 17
### cakephp/cakephp
- Average: 8
- Shortest: 1
- Longest: 34
### composer/composer
- Average: 10
- Shortest: 1
- Longest: 29
### danielmiessler/SecLists
- Average: 5
- Shortest: 1
- Longest: 20
### dingo/api
- Average: 8
- Shortest: 1
- Longest: 26
### domnikl/DesignPatternsPHP
- Average: 7
- Shortest: 1
- Longest: 15
### flarum/flarum
- Average: 0
- Shortest: 0
- Longest: 0
### fzaninotto/Faker
- Average: 9
- Shortest: 1
- Longest: 36
### getgrav/grav
- Average: 9
- Shortest: 1
- Longest: 38
### guzzle/guzzle
- Average: 7
- Shortest: 1
- Longest: 23
### laravel/framework
- Average: 8
- Shortest: 1
- Longest: 36
### laravel/laravel
- Average: 6
- Shortest: 2
- Longest: 16
### matomo-org/matomo
- Average: 12
- Shortest: 1
- Longest: 48
### octobercms/october
- Average: 10
- Shortest: 1
- Longest: 27
### phacility/phabricator
- Average: 10
- Shortest: 1
- Longest: 35
### phalcon/cphalcon
- Average: 7
- Shortest: 1
- Longest: 23
### phanan/koel
- Average: 7
- Shortest: 1
- Longest: 26
### roots/sage
- Average: 6
- Shortest: 1
- Longest: 17
### sebastianbergmann/phpunit
- Average: 10
- Shortest: 1
- Longest: 47
### serbanghita/Mobile-Detect
- Average: 8
- Shortest: 3
- Longest: 19
### slimphp/Slim
- Average: 8
- Shortest: 1
- Longest: 23
### symfony/symfony
- Average: 10
- Shortest: 1
- Longest: 41
### yiisoft/yii2
- Average: 10
- Shortest: 1
- Longest: 39
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