diff --git a/CRM/Utils/Check/Component/Env.php b/CRM/Utils/Check/Component/Env.php
index 50607a3b74fd..9b9ac26d32d4 100644
--- a/CRM/Utils/Check/Component/Env.php
+++ b/CRM/Utils/Check/Component/Env.php
@@ -784,7 +784,7 @@ public function checkScheduledJobLogErrors() {
         'job_id' => $job['id'],
         'options' => ['sort' => "id desc", 'limit' => 1],
       ])['values'][0]['description'] ?? NULL;
-      if (!empty($lastExecutionMessage) && strpos($lastExecutionMessage, 'Failure') !== FALSE) {
+      if (!empty($lastExecutionMessage) && str_contains($lastExecutionMessage, 'Failure')) {
         $viewLogURL = CRM_Utils_System::url('civicrm/admin/joblog', "jid={$job['id']}&reset=1");
         $html .= '<tr>
           <td>' . $job['name'] . ' </td>
@@ -1045,7 +1045,7 @@ public function checkMysqlUtf8mb4() {
     }
     // Ensure that the MySQL driver supports utf8mb4 encoding.
     $version = mysqli_get_client_info();
-    if (strpos($version, 'mysqlnd') !== FALSE) {
+    if (str_contains($version, 'mysqlnd')) {
       // The mysqlnd driver supports utf8mb4 starting at version 5.0.9.
       $version = preg_replace('/^\D+([\d.]+).*/', '$1', $version);
       if (version_compare($version, '5.0.9', '<')) {
diff --git a/CRM/Utils/Color.php b/CRM/Utils/Color.php
index d38981b7470f..688b92ca6aed 100644
--- a/CRM/Utils/Color.php
+++ b/CRM/Utils/Color.php
@@ -100,7 +100,7 @@ public static function getHighlight($color) {
    * @return string|null
    */
   public static function nameToHex($colorName) {
-    if (strpos($colorName, '#') !== FALSE || strpos($colorName, '(') !== FALSE) {
+    if (str_contains($colorName, '#') || str_contains($colorName, '(')) {
       return NULL;
     }
     if (empty(Civi::$statics[__CLASS__]['names'])) {
diff --git a/CRM/Utils/Date.php b/CRM/Utils/Date.php
index 0c5c109d3e99..9e53c98d1117 100644
--- a/CRM/Utils/Date.php
+++ b/CRM/Utils/Date.php
@@ -2285,8 +2285,8 @@ public static function convertDateToLocalTime($dateObject, $format = 'YmdHis') {
   public static function datePickerValueWithTimeHasDate($value) {
     // If there's no : (time) or a : and a - (date) then return true
     return (
-      strpos($value, ':') === FALSE
-      || strpos($value, ':') !== FALSE && strpos($value, '-') !== FALSE
+      !str_contains($value, ':')
+      || str_contains($value, ':') && str_contains($value, '-')
     );
   }
 
diff --git a/CRM/Utils/File.php b/CRM/Utils/File.php
index fbfd9d8b26b7..27ea8857aa62 100644
--- a/CRM/Utils/File.php
+++ b/CRM/Utils/File.php
@@ -1173,7 +1173,7 @@ public static function isDir(?string $dir) {
     set_error_handler(function($errno, $errstr) {
       // If this is open_basedir-related, convert it to an exception so we
       // can catch it.
-      if (strpos($errstr, 'open_basedir restriction in effect') !== FALSE) {
+      if (str_contains($errstr, 'open_basedir restriction in effect')) {
         throw new \ErrorException($errstr, $errno);
       }
       // Continue with normal error handling so other errors still happen.
diff --git a/CRM/Utils/GuzzleMiddleware.php b/CRM/Utils/GuzzleMiddleware.php
index c8b76cce88ca..3ac394761207 100644
--- a/CRM/Utils/GuzzleMiddleware.php
+++ b/CRM/Utils/GuzzleMiddleware.php
@@ -168,7 +168,7 @@ protected static function filterUri(\Psr\Http\Message\UriInterface $oldUri) {
     // Copy the old ?query-params and #fragment-params on top of $newBase.
     $copyParams = function ($newBase) use ($oldUri) {
       if ($oldUri->getQuery()) {
-        $newBase .= strpos($newBase, '?') !== FALSE ? '&' : '?';
+        $newBase .= str_contains($newBase, '?') ? '&' : '?';
         $newBase .= $oldUri->getQuery();
       }
       if ($oldUri->getFragment()) {
diff --git a/CRM/Utils/Hook/UnitTests.php b/CRM/Utils/Hook/UnitTests.php
index 1e5d3248d1d4..b1620de7107b 100644
--- a/CRM/Utils/Hook/UnitTests.php
+++ b/CRM/Utils/Hook/UnitTests.php
@@ -55,7 +55,7 @@ public function setMock($mockObject): void {
    */
   public function setHook(string $hook, $callable): void {
     $this->adhocHooks[$hook] = $callable;
-    if (strpos($hook, 'token') !== FALSE) {
+    if (str_contains($hook, 'token')) {
       unset(Civi::$statics['CRM_Contact_Tokens']['hook_tokens']);
     }
   }
diff --git a/CRM/Utils/Http.php b/CRM/Utils/Http.php
index a92485c08ffd..6f4aab5e6068 100644
--- a/CRM/Utils/Http.php
+++ b/CRM/Utils/Http.php
@@ -49,7 +49,7 @@ public static function parseCacheControl($value) {
 
     $parts = preg_split('/, */', $value);
     foreach ($parts as $part) {
-      if (strpos($part, '=') !== FALSE) {
+      if (str_contains($part, '=')) {
         list ($key, $value) = explode('=', $part, 2);
         $result[$key] = $value;
       }
diff --git a/CRM/Utils/Mail.php b/CRM/Utils/Mail.php
index e6ef56979f85..f82ad65cdf3f 100644
--- a/CRM/Utils/Mail.php
+++ b/CRM/Utils/Mail.php
@@ -359,7 +359,7 @@ public static function setEmailHeaders($params): array {
     }
 
     // quote FROM, if comma is detected AND is not already quoted. CRM-7053
-    if (strpos($headers['From'], ',') !== FALSE) {
+    if (str_contains($headers['From'], ',')) {
       $from = explode(' <', $headers['From']);
       $headers['From'] = self::formatRFC822Email(
         $from[0],
@@ -529,7 +529,7 @@ public static function formatRFC822Email($name, $email, $useQuote = FALSE) {
         ['\<', '\"', '\>'],
         $name
       );
-      if (strpos($name, ',') !== FALSE ||
+      if (str_contains($name, ',') ||
         $useQuote
       ) {
         // quote the string if it has a comma
diff --git a/CRM/Utils/Money.php b/CRM/Utils/Money.php
index 8fccb8872e91..706985ab7254 100644
--- a/CRM/Utils/Money.php
+++ b/CRM/Utils/Money.php
@@ -91,7 +91,7 @@ public static function format($amount, $currency = NULL, $format = NULL, $onlyNu
     // amount is already converted properly,
     // so don't mess with it again.
     // @todo deprecate handling for the html tags because .... WTF
-    if (strpos($amount, '<') === FALSE) {
+    if (!str_contains($amount, '<')) {
       $amount = self::replaceCurrencySeparators($amount);
     }
 
diff --git a/CRM/Utils/Request.php b/CRM/Utils/Request.php
index 0c60dd710d7e..cdb4128cdb64 100644
--- a/CRM/Utils/Request.php
+++ b/CRM/Utils/Request.php
@@ -131,7 +131,7 @@ protected static function getValue($name, $method) {
     }
     // CRM-18384 - decode incorrect keys generated when &amp; is present in url
     foreach (($method ?? []) as $key => $value) {
-      if (strpos($key, 'amp;') !== FALSE) {
+      if (str_contains($key, 'amp;')) {
         $method[str_replace('amp;', '', $key)] = $method[$key];
         if (isset($method[$name])) {
           return $method[$name];
diff --git a/CRM/Utils/String.php b/CRM/Utils/String.php
index 71deee8b36ac..d38c0436043c 100644
--- a/CRM/Utils/String.php
+++ b/CRM/Utils/String.php
@@ -467,7 +467,7 @@ public static function extractName($string, &$params) {
     $name = str_replace('\'', '', $name);
 
     // check for comma in name
-    if (strpos($name, ',') !== FALSE) {
+    if (str_contains($name, ',')) {
 
       // name has a comma - assume lname, fname [mname]
       $names = explode(',', $name);
@@ -997,7 +997,7 @@ public static function pluralize($str) {
    * @return bool
    */
   public static function stringContainsTokens(string $string) {
-    return strpos($string, '{') !== FALSE;
+    return str_contains($string, '{');
   }
 
   /**
diff --git a/CRM/Utils/System.php b/CRM/Utils/System.php
index 7a1a7b12396d..40ccc0dff69d 100644
--- a/CRM/Utils/System.php
+++ b/CRM/Utils/System.php
@@ -134,9 +134,7 @@ public static function getLinksUrl($urlVar, $includeReset = FALSE, $includeForce
           if ($name != $urlVar) {
             $name = rawurldecode($name);
             // check for arrays in parameters: site.php?foo[]=1&foo[]=2&foo[]=3
-            if ((strpos($name, '[') !== FALSE) &&
-              (strpos($name, ']') !== FALSE)
-            ) {
+            if (str_contains($name, '[') && str_contains($name, ']')) {
               $arrays[] = $qs[$i];
             }
             else {
@@ -1001,7 +999,7 @@ public static function validCallback($callback) {
     }
 
     if (!array_key_exists($callback, self::$_callbacks)) {
-      if (strpos($callback, '::') !== FALSE) {
+      if (str_contains($callback, '::')) {
         [$className, $methodName] = explode('::', $callback);
         $fileName = str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
         // ignore errors if any
@@ -1555,11 +1553,8 @@ public static function baseCMSURL() {
       else {
         // Drupal setting
         global $civicrm_root;
-        if (strpos($civicrm_root,
-            DIRECTORY_SEPARATOR . 'sites' .
-            DIRECTORY_SEPARATOR . 'all' .
-            DIRECTORY_SEPARATOR . 'modules'
-          ) === FALSE
+        if (!str_contains($civicrm_root,
+          DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'all' . DIRECTORY_SEPARATOR . 'modules')
         ) {
           $startPos = strpos($civicrm_root,
             DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR
@@ -1807,7 +1802,7 @@ public static function executeScheduledJobs() {
    * @return string|FALSE
    */
   public static function evalUrl($url) {
-    if (!$url || strpos($url, '{') === FALSE) {
+    if (!$url || !str_contains($url, '{')) {
       return $url;
     }
     else {
diff --git a/CRM/Utils/System/Backdrop.php b/CRM/Utils/System/Backdrop.php
index f5228e43d801..2466d2c3dda6 100644
--- a/CRM/Utils/System/Backdrop.php
+++ b/CRM/Utils/System/Backdrop.php
@@ -567,7 +567,7 @@ public function loadBootStrap($params = [], $loadUser = TRUE, $throwError = TRUE
     }
 
     // For Backdrop multi-site CRM-11313
-    if ($realPath && strpos($realPath, 'sites/all/modules/') === FALSE) {
+    if ($realPath && !str_contains($realPath, 'sites/all/modules/')) {
       preg_match('@sites/([^/]*)/modules@s', $realPath, $matches);
       if (!empty($matches[1])) {
         $_SERVER['HTTP_HOST'] = $matches[1];
diff --git a/CRM/Utils/System/Drupal.php b/CRM/Utils/System/Drupal.php
index 4cdc1fae9d80..22926b4f08dd 100644
--- a/CRM/Utils/System/Drupal.php
+++ b/CRM/Utils/System/Drupal.php
@@ -480,7 +480,7 @@ public function loadBootStrap($params = [], $loadUser = TRUE, $throwError = TRUE
     define('DRUPAL_ROOT', $cmsPath);
 
     // For drupal multi-site CRM-11313
-    if ($realPath && strpos($realPath, 'sites/all/modules/') === FALSE) {
+    if ($realPath && !str_contains($realPath, 'sites/all/modules/')) {
       preg_match('@sites/([^/]*)/modules@s', $realPath, $matches);
       if (!empty($matches[1])) {
         $_SERVER['HTTP_HOST'] = $matches[1];
diff --git a/CRM/Utils/System/DrupalBase.php b/CRM/Utils/System/DrupalBase.php
index d77b6c590d65..db9509d3a006 100644
--- a/CRM/Utils/System/DrupalBase.php
+++ b/CRM/Utils/System/DrupalBase.php
@@ -619,10 +619,7 @@ public function getUserObject($userID) {
    */
   public function parseDrupalSiteNameFromRoot($civicrm_root) {
     $siteName = NULL;
-    if (strpos($civicrm_root,
-        DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'all' . DIRECTORY_SEPARATOR . 'modules'
-      ) === FALSE
-    ) {
+    if (!str_contains($civicrm_root, DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'all' . DIRECTORY_SEPARATOR . 'modules')) {
       $startPos = strpos($civicrm_root,
         DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR
       );
diff --git a/CRM/Utils/System/Joomla.php b/CRM/Utils/System/Joomla.php
index e7410d0aac5c..7d366e53c688 100644
--- a/CRM/Utils/System/Joomla.php
+++ b/CRM/Utils/System/Joomla.php
@@ -303,7 +303,7 @@ public function url(
       // Get Itemid using JInput::get()
       $input = Joomla\CMS\Factory::getApplication()->input;
       $itemIdNum = $input->get("Itemid");
-      if ($itemIdNum && (strpos($path, 'civicrm/payment/ipn') === FALSE)) {
+      if ($itemIdNum && (!str_contains($path, 'civicrm/payment/ipn'))) {
         $Itemid = "{$separator}Itemid=" . $itemIdNum;
       }
     }
@@ -1005,7 +1005,7 @@ public function getCiviSourceStorage():array {
     }
 
     // For Joomla CiviCRM Core files always live within the admistrator folder and $base_url is different on the frontend compared to the backend.
-    if (strpos($baseURL, 'administrator') === FALSE) {
+    if (!str_contains($baseURL, 'administrator')) {
       $userFrameworkResourceURL = $baseURL . "administrator/components/com_civicrm/civicrm/";
     }
     else {
diff --git a/CRM/Utils/Token.php b/CRM/Utils/Token.php
index 5b81d99fc07f..a493b1d44323 100644
--- a/CRM/Utils/Token.php
+++ b/CRM/Utils/Token.php
@@ -1344,7 +1344,7 @@ protected static function _buildContributionTokens() {
         if (!empty($token['name'])) {
           $tokens[$token['name']] = [];
         }
-        elseif (is_string($token) && strpos($token, ':') !== FALSE) {
+        elseif (is_string($token) && str_contains($token, ':')) {
           $tokens[$token] = [];
         }
       }
diff --git a/CRM/Utils/Type.php b/CRM/Utils/Type.php
index ea610939de19..34b138c095a9 100644
--- a/CRM/Utils/Type.php
+++ b/CRM/Utils/Type.php
@@ -248,7 +248,7 @@ public static function escape($data, $type, $abort = TRUE) {
       case 'Country':
       case 'StateProvince':
         // Handle multivalued data in delimited or array format
-        if (is_array($data) || (strpos($data, CRM_Core_DAO::VALUE_SEPARATOR) !== FALSE)) {
+        if (is_array($data) || (str_contains($data, CRM_Core_DAO::VALUE_SEPARATOR))) {
           $valid = TRUE;
           foreach (CRM_Utils_Array::explodePadded($data) as $item) {
             if (!CRM_Utils_Rule::positiveInteger($item)) {