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site/doc/pages/base64_decode.txt

@@ -0,0 +1,30 @@
+:sig
+String base64_decode(String raw, bool& ok)
+
+:params
+raw : Base64 encoded string
+ok : set to `true` when decoding succeeds; set to `false` for invalid input
+return value : decoded binary-safe string, or an empty string when decoding fails
+
+:see
+>string
+base64_encode
+
+:content
+Decodes a Base64 string.
+
+Pass a `bool` variable for `ok` so callers can distinguish invalid input from a valid empty decoded value.
+
+Example:
+
+```uce
+bool ok = false;
+String decoded = base64_decode("aGVsbG8=", ok);
+// ok == true
+// decoded == "hello"
+```
+
+Related:
+
+- PHP: `base64_decode($value, true)`
+- JavaScript / Node.js: `Buffer.from(value, "base64")`