diff --git a/src/collections_me.c b/src/collections_me.c
index 9bb2430..7db055e 100644
--- a/src/collections_me.c
+++ b/src/collections_me.c
@@ -122,6 +122,14 @@ ZEND_BEGIN_ARG_INFO(binary_search_by_arginfo, 0)
     ZEND_ARG_TYPE_INFO(0, to_index, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_INFO(binary_search_with_arginfo, 0)
+    ZEND_ARG_INFO(0, element)
+    ZEND_ARG_CALLABLE_INFO(0, comparator, 0)
+    ZEND_ARG_TYPE_INFO(0, flags, IS_LONG, 0)
+    ZEND_ARG_TYPE_INFO(0, from_index, IS_LONG, 0)
+    ZEND_ARG_TYPE_INFO(0, to_index, IS_LONG, 0)
+ZEND_END_ARG_INFO()
+
 ZEND_BEGIN_ARG_INFO(chuncked_arginfo, 0)
     ZEND_ARG_TYPE_INFO(0, size, IS_LONG, 0)
     ZEND_ARG_CALLABLE_INFO(0, transform, 0)
@@ -148,6 +156,7 @@ const zend_function_entry collection_methods[] = {
     PHP_ME(Collection, average, NULL, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, binarySearch, binary_search_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, binarySearchBy, binary_search_by_arginfo, ZEND_ACC_PUBLIC)
+    PHP_ME(Collection, binarySearchWith, binary_search_with_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, chunked, chuncked_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, containsAll, other_arginfo, ZEND_ACC_PUBLIC)
     PHP_ME(Collection, containsAllKeys, other_arginfo, ZEND_ACC_PUBLIC)
diff --git a/src/collections_methods.c b/src/collections_methods.c
index 2699655..7964a83 100644
--- a/src/collections_methods.c
+++ b/src/collections_methods.c
@@ -1000,6 +1000,11 @@ PHP_METHOD(Collection, binarySearchBy)
     free(ref);
 }
 
+PHP_METHOD(Collection, binarySearchWith)
+{
+
+}
+
 PHP_METHOD(Collection, chunked)
 {
     zend_long size;
@@ -2655,11 +2660,7 @@ PHP_METHOD(Collection, reverse)
             zend_hash_index_add(reversed, bucket->h, &bucket->val);
         }
     ZEND_HASH_FOREACH_END();
-    if (GC_REFCOUNT(current) > 1) {
-        GC_DELREF(current);
-    } else {
-        zend_array_destroy(current);
-    }
+    array_release(current);
     THIS_COLLECTION = reversed;
 }
 
@@ -2696,11 +2697,7 @@ PHP_METHOD(Collection, shuffle)
         zend_long rand_idx = php_mt_rand_range(offset, num_elements - 1);
         zend_hash_bucket_renum_swap(&bucket[offset], &bucket[rand_idx]);
     }
-    if (GC_REFCOUNT(current) > 1) {
-        GC_DELREF(current);
-    } else {
-        zend_array_destroy(current);
-    }
+    array_release(current);
     THIS_COLLECTION = shuffled;
 }
 
@@ -2933,11 +2930,7 @@ PHP_METHOD(Collection, sortWith)
         ZVAL_COPY_VALUE(val, PAIR_SECOND(pair));
         GC_DELREF(pair);
     ZEND_HASH_FOREACH_END();
-    if (GC_REFCOUNT(current) > 1) {
-        GC_DELREF(current);
-    } else {
-        zend_array_destroy(current);
-    }
+    array_release(current);
     THIS_COLLECTION = sorted_with;
 }
 
diff --git a/src/php_collections_me.h b/src/php_collections_me.h
index c2344b5..89867b9 100644
--- a/src/php_collections_me.h
+++ b/src/php_collections_me.h
@@ -20,6 +20,7 @@ PHP_METHOD(Collection, associateByTo);
 PHP_METHOD(Collection, average);
 PHP_METHOD(Collection, binarySearch);
 PHP_METHOD(Collection, binarySearchBy);
+PHP_METHOD(Collection, binarySearchWith);
 PHP_METHOD(Collection, chunked);
 PHP_METHOD(Collection, containsAll);
 PHP_METHOD(Collection, containsAllKeys);
diff --git a/tests/045-sort-sorted.phpt b/tests/045-sort-sorted.phpt
index 2ed03e4..2504dc6 100644
--- a/tests/045-sort-sorted.phpt
+++ b/tests/045-sort-sorted.phpt
@@ -4,7 +4,7 @@ Test Collection::sort(), Collection::sortDescending(), Collection::sorted(), Col
 <?php
 $array = [];
 for ($i = 0; $i < 100; ++$i) {
-    $array[] = random_int(-200, 200);
+    $array[] = mt_rand(-200, 200);
 }
 
 $collection = Collection::init($array);
diff --git a/tests/046-sort-by-sorted-by.phpt b/tests/046-sort-by-sorted-by.phpt
index caae9bf..e084201 100644
--- a/tests/046-sort-by-sorted-by.phpt
+++ b/tests/046-sort-by-sorted-by.phpt
@@ -4,7 +4,7 @@ Test Collection::sortBy(), Collection::sortByDescending(), Collection::sortedBy(
 <?php
 $array = [];
 for ($i = 0; $i < 4; ++$i) {
-    $array[random_bytes(2)] = [random_int(10, 99)];
+    $array[random_bytes(2)] = [mt_rand(10, 99)];
 }
 
 $sort_by = function ($value) {
diff --git a/tests/047-distinct.phpt b/tests/047-distinct.phpt
index defbad3..e2190b2 100644
--- a/tests/047-distinct.phpt
+++ b/tests/047-distinct.phpt
@@ -4,7 +4,7 @@ Test Collection::distinct().
 <?php
 $array = [];
 for ($i = 0; $i < 100; ++$i) {
-    $array[] = random_int(1, 10);
+    $array[] = mt_rand(1, 10);
 }
 $collection = Collection::init($array)->distinct();
 if ($collection->toArray() != array_values(array_unique($array))) {
diff --git a/tests/048-distinct-by.phpt b/tests/048-distinct-by.phpt
index ce14197..dcda9b6 100644
--- a/tests/048-distinct-by.phpt
+++ b/tests/048-distinct-by.phpt
@@ -4,7 +4,7 @@ Test Collection::distinctBy().
 <?php
 $array = [];
 for ($i = 0; $i < 100; ++$i) {
-    $array[] = random_bytes(random_int(1, 10));
+    $array[] = random_bytes(mt_rand(1, 10));
 }
 $get_len = function ($value) {
     return strlen($value);
diff --git a/tests/052-union.phpt b/tests/052-union.phpt
index 502c40f..3913bbf 100644
--- a/tests/052-union.phpt
+++ b/tests/052-union.phpt
@@ -4,11 +4,11 @@ Test Collection::union().
 <?php
 $array = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(1, 50);
+    $array[] = mt_rand(1, 50);
 }
 $array1 = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array1[] = random_int(1, 50);
+    $array1[] = mt_rand(1, 50);
 }
 $union = array_values(array_unique(array_merge($array, $array1)));
 $collection = Collection::init($array);
diff --git a/tests/054-sum-by.phpt b/tests/054-sum-by.phpt
index 5002ab8..bc7f531 100644
--- a/tests/054-sum-by.phpt
+++ b/tests/054-sum-by.phpt
@@ -4,7 +4,7 @@ Test Collection::sum() and Collection::sumBy().
 <?php
 $array = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(1, 50);
+    $array[] = mt_rand(1, 50);
 }
 $collection = Collection::init($array);
 $sum = array_sum($array);
@@ -12,7 +12,7 @@ if ($collection->sum() != $sum) {
     echo 'Collection::sum() failed.', PHP_EOL;
 }
 $array = array_map(function ($value) {
-    return [$value, floatval($value / random_int(3, 7))];
+    return [$value, floatval($value / mt_rand(3, 7))];
 }, $array);
 $collection = Collection::init($array);
 $sum = array_sum(array_column($array, 1));
diff --git a/tests/055-intersect-values-subtract.phpt b/tests/055-intersect-values-subtract.phpt
index fcf4be1..13d7757 100644
--- a/tests/055-intersect-values-subtract.phpt
+++ b/tests/055-intersect-values-subtract.phpt
@@ -4,11 +4,11 @@ Test Collection::intersectValues() and Collection::subtract().
 <?php
 $array = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(1, 50);
+    $array[] = mt_rand(1, 50);
 }
 $array1 = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array1[] = random_int(1, 50);
+    $array1[] = mt_rand(1, 50);
 }
 $collection = Collection::init($array);
 $collection1 = Collection::init($array1);
diff --git a/tests/056-remove-retain-all.phpt b/tests/056-remove-retain-all.phpt
index be0eb12..d449a7c 100644
--- a/tests/056-remove-retain-all.phpt
+++ b/tests/056-remove-retain-all.phpt
@@ -4,11 +4,11 @@ Test Collection::removeAll() and Collection::retainAll().
 <?php
 $array = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(1, 50);
+    $array[] = mt_rand(1, 50);
 }
 $array1 = [];
 for ($i = 0; $i < 50; ++$i) {
-    $array1[] = random_int(1, 50);
+    $array1[] = mt_rand(1, 50);
 }
 $collection = Collection::init($array);
 
diff --git a/tests/057-chunked.phpt b/tests/057-chunked.phpt
index 59f04f5..7a8be54 100644
--- a/tests/057-chunked.phpt
+++ b/tests/057-chunked.phpt
@@ -3,11 +3,11 @@ Test Collection::chunked().
 --FILE--
 <?php
 $array = [];
-$size = random_int(20, 30);
+$size = mt_rand(20, 30);
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(100, 200);
+    $array[] = mt_rand(100, 200);
 }
-$chunk_size = random_int(4, 9);
+$chunk_size = mt_rand(4, 9);
 $chunked = array_chunk($array, $chunk_size, false);
 $collection = Collection::init($array);
 if ($collection->chunked($chunk_size)->toArray() != $chunked) {
diff --git a/tests/058-binary-search-by.phpt b/tests/058-binary-search-by.phpt
index 07830ff..de91d05 100644
--- a/tests/058-binary-search-by.phpt
+++ b/tests/058-binary-search-by.phpt
@@ -1,18 +1,18 @@
 --TEST--
-Test Collection::binarySearch().
+Test Collection::binarySearch() and Collection::binarySearchBy().
 --FILE--
 <?php
 $array = [];
-$size = random_int(20, 30);
+$size = mt_rand(20, 30);
 for ($i = 0; $i < 50; ++$i) {
-    $array[] = random_int(100, 200);
+    $array[] = mt_rand(100, 200);
 }
 $array = array_unique($array);
 sort($array);
-$idx = random_int(0, count($array) - 1);
+$idx = mt_rand(0, count($array) - 1);
 $which = $array[$idx];
-$from = random_int(0, $idx);
-$to = random_int($idx, count($array));
+$from = mt_rand(0, $idx);
+$to = mt_rand($idx, count($array));
 $collection = Collection::init($array);
 if ($collection->binarySearch($which, 0, $from, $to) != $idx) {
     echo 'Collection::binarySearch() failed.', PHP_EOL;