[String] fix beforeLast/afterLast

Author: gharlan

AbstractString.php

@@ -139,7 +139,7 @@ public function afterLast($needle, bool $includeNeedle = false, int $offset = 0)
             $n = (string) $n;
             $j = $this->indexOfLast($n, $offset);
 
-            if (null !== $j && $j > $i) {
+            if (null !== $j && $j >= $i) {
                 $i = $offset = $j;
                 $str->string = $n;
             }
@@ -208,7 +208,7 @@ public function beforeLast($needle, bool $includeNeedle = false, int $offset = 0
             $n = (string) $n;
             $j = $this->indexOfLast($n, $offset);
 
-            if (null !== $j && $j > $i) {
+            if (null !== $j && $j >= $i) {
                 $i = $offset = $j;
                 $str->string = $n;
             }

Tests/AbstractAsciiTestCase.php

@@ -711,6 +711,7 @@ public static function provideBeforeAfterLast()
             ['orld', 'o', 'hello world', 0, false],
             ['abacab', 'ab', 'abacabab', 1, true],
             ['ab', 'ab', 'abacabab', 1, false],
+            ['hello world', 'hello', 'hello world', 0, false],
         ];
     }