php_syntax_check.sh

##
# Generated by multiple prompts and iterations to PHPStorm's JetBrains AI #
# with some personal modifications of error messages. #
# 2024-04-25 #
# @see php_syntax_check --help
##
function php_syntax_check() {
  verbose=false
  binary="php"
  recursive=false
  isfile=false
  dir="."

  while (( "$#" )); do
    var="$1"
    case "$var" in
      -h|--help)
        echo "Usage: php_syntax_check [-r] [-v] [-b, --binary] [directory]"
        echo ""
        echo "Checks PHP files for syntax errors."
        echo ""
        echo "OPTIONS:"
        echo "  -r          check files recursively"
        echo "  -v          verbose mode, lists all files checked"
        echo "  -b, --binary  choose php binary version, default is 'php'"
        echo "  file/directory   file or directory to check (current directory is default)"
        echo "  -h, --help  show this help message"
        return 0
        ;;
      -v|--verbose)
        verbose=true
        shift
        ;;
      -b|--binary)
        binary="$2"
        shift 2
        ;;
      -r)
        recursive=true
        shift
        ;;
      *)
        if [[ -d $var ]]; then
          dir=$var
        elif [[ -f $var ]]; then
          dir=$var
          isfile=true
        else
          echo "Invalid argument: $var"
          return 1
        fi
        shift
        ;;
    esac
  done

  syntax_error_found=false

    check_syntax () {
      local file=$1
      output=$($binary -l "$file" 2>&1)
      local status=$?
      if [[ $status -ne 0 ]]; then
        syntax_error_found=true
      fi
      if [[ "$verbose" = true && $status -eq 0 ]]; then
        echo "No syntax errors detected in $file"
      else
        echo "$output"
      fi
    }

  if [[ "$isfile" = true ]]; then
    check_syntax $dir
  elif [ "$recursive" = true ]; then
    if [[ $(find "$dir" -type f -name '*.php' | wc -l) -eq 0 ]]; then
      echo "There are no PHP files in the directory: $dir"
    else
      for file in $(find "$dir" -type f -name '*.php'); do
        check_syntax "$file"
      done
    fi
  else
    if [[ $(ls "$dir"/*.php 2>/dev/null | wc -l) -eq 0 ]]; then
      echo "There are no PHP files in the directory: $dir"
    else
      for file in "$dir"/*.php
      do
        check_syntax "$file"
      done
    fi
  fi

  if [ "$syntax_error_found" = false ]; then
    echo "No syntax errors detected."
  fi
}