ingredient/php: Update PHP Serialization

internal/wisski/ingredient/php/marshal.go

@@ -0,0 +1,33 @@
+package php
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+// Marshal marshals data as a PHP expression, meaning it can safely be used inside code.
+//
+// Typically data is marshaled using [json.Marshal] and decoded in PHP using 'json_decode'.
+// Special cases may exist for specific datatypes.
+func Marshal(data any) (string, error) {
+	switch d := data.(type) {
+	case string:
+		return MarshalString(d), nil
+	}
+
+	bytes, err := json.Marshal(data)
+	if err != nil {
+		return "", err
+	}
+
+	return "json_decode(" + MarshalString(string(bytes)) + ")", nil
+}
+
+var replacer = strings.NewReplacer("'", "\\'", "\\", "\\\\")
+
+// MarshalString marshals s as a php string that can be used safely as a PHP expression.
+//
+// See [https://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.single].
+func MarshalString(s string) string {
+	return "'" + replacer.Replace(s) + "'"
+}