Detect PHP version from system %PATH% variable

Author: rnapoles

discovery_windows.go

@@ -21,15 +21,20 @@ package phpstore
 
 import (
 	"os"
+	"os/exec"
 	"path/filepath"
 	"regexp"
+	"runtime"
 )
 
 // see https://github.com/composer/windows-setup/blob/master/src/composer.iss
 func (s *PHPStore) doDiscover() {
 	systemDir := systemDir()
 	userHomeDir := userHomeDir()
 
+	// %PATH%
+	s.addFromEnv()
+
 	// XAMPP
 	s.addFromDir(filepath.Join(systemDir, "xampp", "php"), nil, "XAMPP")
 
@@ -53,6 +58,27 @@ func (s *PHPStore) doDiscover() {
 	}
 }
 
+func (s *PHPStore) addFromEnv() {
+
+	// Determine the executable name based on the operating system
+	exeName := "php"
+	if runtime.GOOS == "windows" {
+		exeName = "php.exe"
+	}
+
+	// Alternative approach using exec.LookPath
+	phpPath, err := exec.LookPath(exeName)
+	if err != nil {
+		return
+	}
+
+	dir := filepath.Dir(phpPath)
+	if v := s.discoverPHP(dir, "php"); v != nil {
+		s.addVersion(v)
+	}
+
+}
+
 func systemDir() string {
 	cwd, err := os.Getwd()
 	if err != nil {