diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index fc1f015f..03b54b75 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
         os: ['ubuntu-latest']
 
     steps:
@@ -51,13 +51,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
         os: ['ubuntu-latest']
-        include:
-          - php: '7.0'
-            phpunit-version: 6.5
-          - php: '7.1'
-            phpunit-version: 7.5
 
     steps:
       - name: Checkout code base
diff --git a/composer.json b/composer.json
index d42de350..7c18ab06 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     }
   },
   "require": {
-    "php": ">=7.0",
+    "php": ">=7.2",
     "ext-json": "*",
     "ipl/html": ">=0.4.0",
     "ipl/stdlib": ">=0.11.0",
diff --git a/src/Control/SearchBar/Terms.php b/src/Control/SearchBar/Terms.php
index 4918859e..96562359 100644
--- a/src/Control/SearchBar/Terms.php
+++ b/src/Control/SearchBar/Terms.php
@@ -191,7 +191,7 @@ protected function assembleCondition(Filter\Condition $filter, BaseHtmlElement $
 
             $this->assembleTerm($operatorData, $group);
 
-            if (! empty($value) || ctype_digit($value)) {
+            if (! empty($value) || ! is_string($value) || ctype_digit($value)) {
                 $valueData = [
                     'class'  => 'value',
                     'type'   => 'value',
diff --git a/src/Widget/Tabs.php b/src/Widget/Tabs.php
index d75170f5..32ba8e99 100644
--- a/src/Widget/Tabs.php
+++ b/src/Widget/Tabs.php
@@ -169,7 +169,7 @@ public function get($name)
      *
      * @return int
      */
-    public function count()
+    public function count(): int
     {
         return $this->tabs->count();
     }