chore: simplify string using backticks

# Conflicts:
#	internal/extgen/classparser.go
#	internal/extgen/gofile_test.go

Author: dunglas

caddy/app.go

@@ -42,7 +42,7 @@ type FrankenPHPApp struct {
 	logger  *slog.Logger
 }
 
-var iniError = errors.New("'php_ini' must be in the format: php_ini \"<key>\" \"<value>\"")
+var iniError = errors.New(`"php_ini" must be in the format: php_ini "<key>" "<value>"`)
 
 // CaddyModule returns the Caddy module information.
 func (f FrankenPHPApp) CaddyModule() caddy.ModuleInfo {

internal/extgen/cfile_test.go

@@ -313,7 +313,7 @@ func TestCFileSpecialCharacters(t *testing.T) {
 			content, err := cGen.buildContent()
 			require.NoError(t, err)
 
-			expectedInclude := "#include \"" + tt.expected + ".h\""
+			expectedInclude := `#include "` + tt.expected + `.h"`
 			assert.Contains(t, content, expectedInclude, "Content should contain include: %s", expectedInclude)
 		})
 	}
@@ -424,8 +424,8 @@ func TestCFileConstants(t *testing.T) {
 				},
 			},
 			contains: []string{
-				"REGISTER_LONG_CONSTANT(\"GLOBAL_INT\", 42, CONST_CS | CONST_PERSISTENT);",
-				"REGISTER_STRING_CONSTANT(\"GLOBAL_STRING\", \"test\", CONST_CS | CONST_PERSISTENT);",
+				`REGISTER_LONG_CONSTANT("GLOBAL_INT", 42, CONST_CS | CONST_PERSISTENT);`,
+				`REGISTER_STRING_CONSTANT("GLOBAL_STRING", "test", CONST_CS | CONST_PERSISTENT);`,
 			},
 		},
 	}

internal/extgen/constparser.go

@@ -99,7 +99,7 @@ func (cp *ConstantParser) parse(filename string) (constants []phpConstant, err e
 func determineConstantType(value string) phpType {
 	value = strings.TrimSpace(value)
 
-	if (strings.HasPrefix(value, "\"") && strings.HasSuffix(value, "\"")) ||
+	if (strings.HasPrefix(value, `"`) && strings.HasSuffix(value, `"`)) ||
 		(strings.HasPrefix(value, "`") && strings.HasSuffix(value, "`")) {
 		return phpString
 	}

internal/extgen/constparser_test.go

@@ -250,7 +250,7 @@ func TestConstantParserTypeDetection(t *testing.T) {
 		value        string
 		expectedType phpType
 	}{
-		{"string with double quotes", "\"hello world\"", phpString},
+		{"string with double quotes", `"hello world"`, phpString},
 		{"string with backticks", "`hello world`", phpString},
 		{"boolean true", "true", phpBool},
 		{"boolean false", "false", phpBool},
@@ -443,13 +443,13 @@ func TestConstantParserDeclRegex(t *testing.T) {
 		name        string
 		value       string
 	}{
-		{"const MyConst = \"value\"", true, "MyConst", "\"value\""},
+		{`const MyConst = "value"`, true, "MyConst", `"value"`},
 		{"const IntConst = 42", true, "IntConst", "42"},
 		{"const BoolConst = true", true, "BoolConst", "true"},
 		{"const IotaConst = iota", true, "IotaConst", "iota"},
 		{"const ComplexValue = someFunction()", true, "ComplexValue", "someFunction()"},
-		{"const SpacedName = \"with spaces\"", true, "SpacedName", "\"with spaces\""},
-		{"var notAConst = \"value\"", false, "", ""},
+		{`const SpacedName = "with spaces"`, true, "SpacedName", `"with spaces"`},
+		{`var notAConst = "value"`, false, "", ""},
 		{"const", false, "", ""},
 		{"const =", false, "", ""},
 	}
@@ -518,10 +518,10 @@ func TestPHPConstantCValue(t *testing.T) {
 			name: "string constant",
 			constant: phpConstant{
 				Name:    "StringConst",
-				Value:   "\"hello\"",
+				Value:   `"hello"`,
 				PhpType: phpString,
 			},
-			expected: "\"hello\"", // strings should remain unchanged
+			expected: `"hello"`, // strings should remain unchanged
 		},
 		{
 			name: "boolean constant",

internal/extgen/stub_test.go

@@ -134,7 +134,7 @@ func TestStubGenerator_BuildContent(t *testing.T) {
 			contains: []string{
 				"<?php",
 				"/** @generate-class-entries */",
-				"const GLOBAL_CONST = \"test\";",
+				`const GLOBAL_CONST = "test";`,
 			},
 		},
 		{

internal/extgen/utils.go

@@ -26,7 +26,7 @@ func NamespacedName(namespace, name string) string {
 	if namespace == "" {
 		return name
 	}
-	namespacePart := strings.ReplaceAll(namespace, "\\", "_")
+	namespacePart := strings.ReplaceAll(namespace, `\`, "_")
 	return namespacePart + "_" + name
 }