Resolve an issue with John and 1 John. Closes #15

Author: jkrrv

src/ScripturNum.php

@@ -189,7 +189,7 @@ public function toString($options): string
 
 
 	/**
-	 * Returns a human-readable string with the settings defined in a given setting set.
+	 * Returns a human-readable string with the settings defined in a given set of settings.
 	 *
 	 * @param string|array $options The setting set to use, or an array of options.
 	 *
@@ -1001,7 +1001,12 @@ public static function extractFromString(string $string, bool $excludeAllBookOnl
         $lastBook = -1;
         $lastEnd = -1;
         foreach ($combinedMatches as $m) {
-            $ints = static::stringToInts($m[0], $exceptions);
+            if (is_array($exceptions)) {
+                $ints = static::stringToInts($m[0], $exceptions);
+            } else {
+                $e = []; // functionally suppressing exceptions
+                $ints = static::stringToInts($m[0], $e);
+            }
             foreach($ints as $i) {
                 $sn = new static($i);
                 if ($lastBook != $sn->book && $lastEnd > $m[1]) {

tests/ScripturNumPublicTests.php

@@ -1000,4 +1000,27 @@ public function test_issue14b()
 
         $this->assertCount(1, $a);
     }
+
+    public function test_issue15a()
+    {
+        $a = "1 John 2:18-27";
+        $sn = ScripturNum::extractFromString($a);
+        $this->assertEquals($a, $sn->getString());
+    }
+
+    public function test_issue15b()
+    {
+        $a = "1 John 2:18-27";
+        $sn = ScripturNum::stringToInts($a);
+        $this->assertCount(1, $sn);
+    }
+
+
+    public function test_issue15c()
+    {
+        $a = "1 John 2:28-3:10";
+        $e = [];
+        $sn = ScripturNum::extractFromString($a, false, $e);
+        $this->assertEquals($a, $sn->getString());
+    }
 }