php如何添加php-psr2语法规范检测

 pre-commit文件代码(为了方便读者使用)
 #!/bin/bash 
 # PHP CodeSniffer pre-commit hook for git # 
 # @author Soenke Ruempler <soenke@ruempler.eu> 
 # @author Sebastian Kaspari <s.kaspari@googlemail.com> #
 # see the README  PHPCS_BIN=./vendor/bin/phpcs PHPCS_CODING_STANDARD=PSR2 PHPCS_IGNORE="*.blade.php,*.js,*.css" TMP_STAGING=".tmp_staging" 
 # parse config CONFIG_FILE=$(dirname $0)/config if [ -e $CONFIG_FILE ]; then     
 . $CONFIG_FILE fi  
 # simple check if code sniffer is set up correctly if [ ! -x $PHPCS_BIN ]; then     
 echo "PHP CodeSniffer bin not found or executable -> $PHPCS_BIN"     
 exit 1 fi  
 # stolen from template file if git rev-parse --verify HEAD then     
 against=HEAD 
 else     
 # Initial commit: diff against an empty tree object     
 against=897dfbffbfe18a52174d999c6d83bd16219d6e08 fi  
 # this is the magic:  
 # retrieve all files in staging area that are added, modified or renamed 
 # but no deletions etc FILES=$(git diff-index --name-only --cached --diff-filter=ACMR $against -- )  
 if [ "$FILES" == "" ]; then     
 exit 0 fi  
 # create temporary copy of staging area if [ -e $TMP_STAGING ]; 
 then     
 rm -rf $TMP_STAGING fi mkdir $TMP_STAGING 
 # match files against whitelist FILES_TO_CHECK="" for FILE in $FILES do     
 echo 
 "$FILE" | egrep -q "$PHPCS_FILE_PATTERN"     
 RETVAL=$?     
 if [ "$RETVAL" -eq "0" ]     
 then         
 FILES_TO_CHECK="$FILES_TO_CHECK $FILE"     
 fi done  if [ "$FILES_TO_CHECK" == "" ]; then     exit 0 fi  
 # execute the code sniffer 
 if [ "$PHPCS_IGNORE" != "" ]; 
 then     
 IGNORE="--ignore=$PHPCS_IGNORE" 
 else     
 IGNORE="" fi  
 if [ "$PHPCS_SNIFFS" != "" ]; 
 then     
 SNIFFS="--sniffs=$PHPCS_SNIFFS" 
 else     
 SNIFFS="" fi  
 if [ "$PHPCS_ENCODING" != "" ]; 
 then     
 ENCODING="--encoding=$PHPCS_ENCODING" 
 else     
 ENCODING="" fi  
 if [ "$PHPCS_IGNORE_WARNINGS" == "1" ]; 
 then     
 IGNORE_WARNINGS="-n" 
 else     
 IGNORE_WARNINGS="" fi 
 # Copy contents of staged version of files to temporary staging area 
 # because we only want the staged version that will be commited and not 
 # the version in the working directory STAGED_FILES="" for FILE in $FILES_TO_CHECK do   
 ID=$(git diff-index --cached $against $FILE | cut -d " " -f4)    
 # create staged version of file in temporary staging area with the same   
 # path as the original file so that the phpcs ignore filters can be applied   
 mkdir -p "$TMP_STAGING/$(dirname $FILE)"   
 git cat-file blob $ID > "$TMP_STAGING/$FILE"   
 STAGED_FILES="$STAGED_FILES $TMP_STAGING/$FILE" done  
 OUTPUT=$($PHPCS_BIN -s $IGNORE_WARNINGS --standard=$PHPCS_CODING_STANDARD $ENCODING $IGNORE $SNIFFS $STAGED_FILES) RETVAL=$?  
 # delete temporary copy of staging area rm -rf $TMP_STAGING  
 if [ $RETVAL -ne 0 ]; 
 then     
 echo "$OUTPUT" | less fi  exit $RETVAL