Added character check to colour_from_hex.

2018-09-16 02:45:27 +02:00 · 2018-09-16 02:45:27 +02:00 · 52ecf12fd9
commit 52ecf12fd9
parent f12ac03629
1 changed files with 4 additions and 0 deletions
--- a/src/colour.php
+++ b/src/colour.php
@ -126,6 +126,10 @@ function colour_from_hex(int &$colour, string $hex): bool
        return false;
    }

+    if (!ctype_xdigit($hex)) {
+        return false;
+    }
+
    colour_from_rgb(
        $colour,
        hexdec(mb_substr($hex, 0, 2)),