Remove unnecessary empty usages

Author: ostrolucky

Adapter/ExtLdap/Adapter.php

@@ -56,10 +56,10 @@ public function escape(string $subject, string $ignore = '', int $flags = 0): st
 
         // Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
         if ($flags & \LDAP_ESCAPE_DN) {
-            if (!empty($value) && ' ' === $value[0]) {
+            if ($value && ' ' === $value[0]) {
                 $value = '\\20'.substr($value, 1);
             }
-            if (!empty($value) && ' ' === $value[\strlen($value) - 1]) {
+            if ($value && ' ' === $value[\strlen($value) - 1]) {
                 $value = substr($value, 0, -1).'\\20';
             }
             $value = str_replace("\r", '\0d', $value);

Adapter/ExtLdap/Query.php

@@ -175,7 +175,7 @@ private function resetPagination(): void
         // This is not supported in PHP < 7.2, so these versions will remain broken.
         $ctl = [];
         ldap_get_option($con, \LDAP_OPT_SERVER_CONTROLS, $ctl);
-        if (!empty($ctl)) {
+        if ($ctl) {
             foreach ($ctl as $idx => $info) {
                 if (static::PAGINATION_OID == $info['oid']) {
                     unset($ctl[$idx]);