add startsWithAny function

src/Stringy.php

@@ -1170,6 +1170,30 @@ class Stringy implements Countable, IteratorAggregate, ArrayAccess
         return (string) $substring === $startOfStr;
     }
 
+    /**
+     * Returns true if the string begins with any $substrings, false otherwise. By
+     * default the comparison is case-sensitive, but can be made insensitive by
+     * setting $caseSensitive to false.
+     *
+     * @param  array  $substrings    Substrings to look for
+     * @param  bool   $caseSensitive Whether or not to enforce case-sensitivity
+     * @return bool   Whether or not $str starts with $substring
+     */
+    public function startsWithAny($substrings, $caseSensitive = true)
+    {
+        if (empty($substrings)) {
+            return false;
+        }
+
+        foreach ($substrings as $substring) {
+            if ($this->startsWith($substring, $caseSensitive)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * Returns the substring beginning at $start, and up to, but not including
      * the index specified by $end. If $end is omitted, the function extracts

tests/StringyTest.php

@@ -844,6 +844,36 @@ class StringyTestCase extends PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * @dataProvider startsWithProviderAny()
+     */
+    public function testStartsWithAny($expected, $str, $substring,
+        $caseSensitive = true, $encoding = null)
+    {
+        $stringy = S::create($str, $encoding);
+        $result = $stringy->startsWithAny($substring, $caseSensitive);
+        $this->assertInternalType('boolean', $result);
+        $this->assertEquals($expected, $result);
+        $this->assertEquals($str, $stringy);
+    }
+
+    public function startsWithProviderAny()
+    {
+        return array(
+            array(true, 'foo bars', ['foo bar']),
+            array(true, 'FOO bars', ['foo bar'], false),
+            array(true, 'FOO bars', ['foo bar', 'foo BAR'], false),
+            array(true, 'FÒÔ bàřs', ['foo bar', 'fòô bàř'], false, 'UTF-8'),
+            array(true, 'fòô bàřs', ['foo bar', 'fòô BÀŘ'], false, 'UTF-8'),
+            array(false, 'foo bar', ['bar']),
+            array(false, 'foo bar', ['foo bars']),
+            array(false, 'FOO bar', ['foo bars']),
+            array(false, 'FOO bars', ['foo BAR']),
+            array(false, 'FÒÔ bàřs', ['fòô bàř'], true, 'UTF-8'),
+            array(false, 'fòô bàřs', ['fòô BÀŘ'], true, 'UTF-8'),
+        );
+    }
+
     /**
      * @dataProvider endsWithProvider()
      */