diff --git a/demos/Zend/Mobile/Push/ApnsFeedback.php b/demos/Zend/Mobile/Push/ApnsFeedback.php
index e2b5489eb0..345bb49e25 100644
--- a/demos/Zend/Mobile/Push/ApnsFeedback.php
+++ b/demos/Zend/Mobile/Push/ApnsFeedback.php
@@ -15,7 +15,7 @@
 }
  
 $tokens = $apns->feedback();
-while(list($token, $time) = each($tokens)) {
+foreach ($tokens as $token => $time) {
     echo $time . "\t" . $token . PHP_EOL;
 }
 $apns->close();
diff --git a/documentation/manual/en/module_specs/Zend_Mobile_Push-Apns.xml b/documentation/manual/en/module_specs/Zend_Mobile_Push-Apns.xml
index 7aa51c29be..1b36fb5f44 100644
--- a/documentation/manual/en/module_specs/Zend_Mobile_Push-Apns.xml
+++ b/documentation/manual/en/module_specs/Zend_Mobile_Push-Apns.xml
@@ -152,7 +152,7 @@ try {
 }
 
 $tokens = $apns->feedback();
-while(list($token, $time) = each($tokens)) {
+foreach ($tokens as $token => $time) {
     echo $time . "\t" . $token . PHP_EOL;
 }
 $apns->close();
diff --git a/library/Zend/Cache/Backend.php b/library/Zend/Cache/Backend.php
index 9a78057122..898db93a5e 100644
--- a/library/Zend/Cache/Backend.php
+++ b/library/Zend/Cache/Backend.php
@@ -61,7 +61,7 @@ class Zend_Cache_Backend
      */
     public function __construct(array $options = array())
     {
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
     }
@@ -76,7 +76,7 @@ public function __construct(array $options = array())
     public function setDirectives($directives)
     {
         if (!is_array($directives)) Zend_Cache::throwException('Directives parameter must be an array');
-        while (list($name, $value) = each($directives)) {
+        foreach ($directives as $name => $value) {
             if (!is_string($name)) {
                 Zend_Cache::throwException("Incorrect option name : $name");
             }
diff --git a/library/Zend/Cache/Core.php b/library/Zend/Cache/Core.php
index d649a70aff..4e7f028270 100644
--- a/library/Zend/Cache/Core.php
+++ b/library/Zend/Cache/Core.php
@@ -143,7 +143,7 @@ public function __construct($options = array())
             Zend_Cache::throwException("Options passed were not an array"
             . " or Zend_Config instance.");
         }
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
         $this->_loggerSanity();
@@ -158,7 +158,7 @@ public function __construct($options = array())
     public function setConfig(Zend_Config $config)
     {
         $options = $config->toArray();
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
         return $this;
diff --git a/library/Zend/Cache/Frontend/Class.php b/library/Zend/Cache/Frontend/Class.php
index 8ac98c24ac..a232143119 100644
--- a/library/Zend/Cache/Frontend/Class.php
+++ b/library/Zend/Cache/Frontend/Class.php
@@ -106,7 +106,7 @@ class Zend_Cache_Frontend_Class extends Zend_Cache_Core
      */
     public function __construct(array $options = array())
     {
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
         if ($this->_specificOptions['cached_entity'] === null) {
diff --git a/library/Zend/Cache/Frontend/File.php b/library/Zend/Cache/Frontend/File.php
index 9ff13b1b7e..911132bb10 100644
--- a/library/Zend/Cache/Frontend/File.php
+++ b/library/Zend/Cache/Frontend/File.php
@@ -88,7 +88,7 @@ class Zend_Cache_Frontend_File extends Zend_Cache_Core
      */
     public function __construct(array $options = array())
     {
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
         if (!isset($this->_specificOptions['master_files'])) {
diff --git a/library/Zend/Cache/Frontend/Function.php b/library/Zend/Cache/Frontend/Function.php
index 6e794e99e9..ec2f4161cc 100644
--- a/library/Zend/Cache/Frontend/Function.php
+++ b/library/Zend/Cache/Frontend/Function.php
@@ -63,7 +63,7 @@ class Zend_Cache_Frontend_Function extends Zend_Cache_Core
      */
     public function __construct(array $options = array())
     {
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $this->setOption($name, $value);
         }
         $this->setOption('automatic_serialization', true);
diff --git a/library/Zend/Cache/Frontend/Page.php b/library/Zend/Cache/Frontend/Page.php
index e6ba5f2809..03442fc44e 100644
--- a/library/Zend/Cache/Frontend/Page.php
+++ b/library/Zend/Cache/Frontend/Page.php
@@ -129,7 +129,7 @@ class Zend_Cache_Frontend_Page extends Zend_Cache_Core
      */
     public function __construct(array $options = array())
     {
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             $name = strtolower($name);
             switch ($name) {
                 case 'regexps':
diff --git a/library/Zend/Config/Yaml.php b/library/Zend/Config/Yaml.php
index 1dc97aa65f..8e56599cca 100755
--- a/library/Zend/Config/Yaml.php
+++ b/library/Zend/Config/Yaml.php
@@ -289,7 +289,7 @@ protected static function _decodeYaml($currentIndent, &$lines)
     {
         $config   = array();
         $inIndent = false;
-        while (list($n, $line) = each($lines)) {
+        foreach ($lines as $n => $line) {
             $lineno = $n + 1;
 
             $line = rtrim(preg_replace("/#.*$/", "", $line));
diff --git a/library/Zend/Db/Table/Abstract.php b/library/Zend/Db/Table/Abstract.php
index 3c10da5354..41932af335 100644
--- a/library/Zend/Db/Table/Abstract.php
+++ b/library/Zend/Db/Table/Abstract.php
@@ -789,7 +789,7 @@ protected function _setupTableName()
      */
     protected function _setupMetadata()
     {
-        if ($this->metadataCacheInClass() && (count($this->_metadata) > 0)) {
+        if ($this->metadataCacheInClass() && (is_array($this->_metadata) && count($this->_metadata) > 0)) {
             return true;
         }
 
diff --git a/library/Zend/Http/UserAgent/Features/Adapter/TeraWurfl.php b/library/Zend/Http/UserAgent/Features/Adapter/TeraWurfl.php
index 9ec1fa5a57..1b37226266 100644
--- a/library/Zend/Http/UserAgent/Features/Adapter/TeraWurfl.php
+++ b/library/Zend/Http/UserAgent/Features/Adapter/TeraWurfl.php
@@ -88,7 +88,7 @@ public static function getAllCapabilities(TeraWurfl $wurflObj)
             if (!is_array($group)) {
                 continue;
             }
-            while (list ($key, $value) = each($group)) {
+            foreach ($group as $key => $value) {
                 if (is_bool($value)) {
                     // to have the same type than the official WURFL API
                     $features[$key] = ($value ? 'true' : 'false');
diff --git a/library/Zend/Service/DeveloperGarden/Client/ClientAbstract.php b/library/Zend/Service/DeveloperGarden/Client/ClientAbstract.php
index 6bc4355a4c..530f4b685e 100644
--- a/library/Zend/Service/DeveloperGarden/Client/ClientAbstract.php
+++ b/library/Zend/Service/DeveloperGarden/Client/ClientAbstract.php
@@ -135,7 +135,7 @@ public function __construct(array $options = array())
     {
         $this->_credential = new Zend_Service_DeveloperGarden_Credential();
 
-        while (list($name, $value) = each($options)) {
+        foreach ($options as $name => $value) {
             switch (ucfirst($name)) {
                 case 'Username' :
                     $this->_credential->setUsername($value);
diff --git a/library/Zend/XmlRpc/Value.php b/library/Zend/XmlRpc/Value.php
index 08ddf24907..a1432c6f15 100644
--- a/library/Zend/XmlRpc/Value.php
+++ b/library/Zend/XmlRpc/Value.php
@@ -486,13 +486,19 @@ protected static function _createSimpleXMLElement(&$xml)
      */
     protected static function _extractTypeAndValue(SimpleXMLElement $xml, &$type, &$value)
     {
-        list($type, $value) = each($xml);
+        // hack to work around each() deprecation in php 7.2
+        $type = key($xml);
+        $value = current($xml);
+        next($xml); // finally, advance cursor similar to each()
 
         if (!$type and $value === null) {
             $namespaces = array('ex' => 'http://ws.apache.org/xmlrpc/namespaces/extensions');
             foreach ($namespaces as $namespaceName => $namespaceUri) {
                 $namespaceXml = $xml->children($namespaceUri);
-                list($type, $value) = each($namespaceXml);
+                // hack to work around each() deprecation in php 7.2
+                $type = key($namespaceXml);
+                $value = current($namespaceXml);
+                next($namespaceXml); // finally, advance cursor similar to each()
                 if ($type !== null) {
                     $type = $namespaceName . ':' . $type;
                     break;
diff --git a/tests/Zend/Service/Technorati/TechnoratiTest.php b/tests/Zend/Service/Technorati/TechnoratiTest.php
index 2ccf31e17e..82aa22a35e 100644
--- a/tests/Zend/Service/Technorati/TechnoratiTest.php
+++ b/tests/Zend/Service/Technorati/TechnoratiTest.php
@@ -567,7 +567,11 @@ private function _testOption($validOptions, $xmlFile, $callbackMethod, $callback
     {
         $technorati = $this->_setResponseFromFile($xmlFile);
         foreach ($validOptions as $pair) {
-            list($option, $value) = each($pair);
+            // deprecated; list($option, $value) = each($pair);
+            // hack to work around each() deprecation in php 7.2
+            $option = key($pair);
+            $value = current($pair);
+            next($pair); // finally, advance cursor similar to each()
             $options = is_array($callbackRequiredOptions) ?
                             array_merge($callbackRequiredOptions, array($pair)) :
                             array($pair);
@@ -593,7 +597,11 @@ private function _testThrowsExceptionWithInvalidOption($invalidOptions, $xmlFile
     {
         $technorati = $this->_setResponseFromFile($xmlFile);
         foreach ($invalidOptions as $pair) {
-            list($option, $value) = each($pair);
+            // deprecated; list($option, $value) = each($pair);
+            // hack to work around each() deprecation in php 7.2
+            $option = key($pair);
+            $value = current($pair);
+            next($pair); // finally, advance cursor similar to each()
             $options = is_array($callbackRequiredOptions) ?
                             array_merge($callbackRequiredOptions, array($pair)) :
                             array($pair);
diff --git a/tests/Zend/XmlRpc/RequestTest.php b/tests/Zend/XmlRpc/RequestTest.php
index 7596d6230a..df7abb5898 100644
--- a/tests/Zend/XmlRpc/RequestTest.php
+++ b/tests/Zend/XmlRpc/RequestTest.php
@@ -288,14 +288,14 @@ protected function _testXmlRequest($xml, $argv)
 
         $result = $sx->xpath('//methodName');
         $count = 0;
-        while (list( , $node) = each($result)) {
+        foreach ($result as $node) {
             ++$count;
         }
         $this->assertEquals(1, $count, $xml);
 
         $result = $sx->xpath('//params');
         $count = 0;
-        while (list( , $node) = each($result)) {
+        foreach ($result as $node) {
             ++$count;
         }
         $this->assertEquals(1, $count, $xml);
diff --git a/tests/runalltests.php b/tests/runalltests.php
index 7545998b1f..7a1e64ea9b 100755
--- a/tests/runalltests.php
+++ b/tests/runalltests.php
@@ -55,7 +55,7 @@
 $result = 0;
 
 // run through phpunit
-while(list(, $file)=each($files)) {
+foreach ($files as $file) {
     if ($_SERVER['TRAVIS_PHP_VERSION'] == 'hhvm' && $file == 'Zend/CodeGenerator/AllTests.php') {
         echo "Skipping $file on HHVM" . PHP_EOL; //gets stuck on the HHVM
         continue;