MemoryEfficientLongestCommonSubsequenceImplementation::calculate - strict.

Author: SpacePossum

src/LCS/MemoryEfficientLongestCommonSubsequenceImplementation.php

@@ -33,7 +33,7 @@ public function calculate(array $from, array $to)
         }
 
         if ($cFrom === 1) {
-            if (\in_array($from[0], $to)) {
+            if (\in_array($from[0], $to, true)) {
                 return array($from[0]);
             }
 

tests/LCS/LongestCommonSubsequenceTest.php

@@ -185,4 +185,12 @@ public function testReversedSequences()
             $this->assertEquals(array(1), $common);
         }
     }
+
+    public function testStrictTypeCalculate()
+    {
+        $diff = $this->implementation->calculate(array('5'), array('05'));
+
+        $this->assertInternalType('array', $diff);
+        $this->assertCount(0, $diff);
+    }
 }