Rearrange implode() arguments where necessary to conform to php7.4

Author: [email protected]

src/Propel/Generator/Model/MappingModel.php

@@ -127,7 +127,7 @@ protected function getDefaultValueForArray($stringValue)
             $values[] = trim($v);
         }
 
-        $value = implode($values, ' | ');
+        $value = implode(' | ', $values);
         if (empty($value) || ' | ' === $value) {
             return null;
         }

src/Propel/Generator/Platform/DefaultPlatform.php

@@ -1269,7 +1269,7 @@ public function getPhpArrayString($stringValue)
             $values[] = trim($v);
         }
 
-        $value = implode($values, ' | ');
+        $value = implode(' | ', $values);
         if (empty($value) || ' | ' === $value) {
             return null;
         }

src/Propel/Runtime/ActiveQuery/Join.php

@@ -666,7 +666,7 @@ public function getClause(&$params)
                     $conditions[] = $this->getLeftColumn($i) . $this->getOperator($i) . $this->getRightColumn($i);
                 }
             }
-            $joinCondition = sprintf('(%s)', implode($conditions, ' AND '));
+            $joinCondition = sprintf('(%s)', implode(' AND ', $conditions));
         } else {
             $joinCondition = '';
             $this->getJoinCondition()->appendPsTo($joinCondition, $params);