Use triple (in)equalities when type compatibility is ensured

7 files changed, 12 insertions, 12 deletions

diff --git a/src/Components/AlterOperation.php b/src/Components/AlterOperation.php
index 9383eca..1ae28ae 100644
--- a/src/Components/AlterOperation.php
+++ b/src/Components/AlterOperation.php
@@ -236,7 +236,7 @@ class AlterOperation extends Component
                     // We have reached the end of ALTER operation and suddenly found
                     // a start to new statement, but have not find a delimiter between them
 
-                    if (!($token->value == 'SET' && $list->tokens[$list->idx - 1]->value == 'CHARACTER')) {
+                    if (!($token->value === 'SET' && $list->tokens[$list->idx - 1]->value === 'CHARACTER')) {
                         $parser->error(
                             'A new statement was found, but no delimiter between it and the previous one.',
                             $token
diff --git a/src/Components/Array2d.php b/src/Components/Array2d.php
index 92d8b16..984179c 100644
--- a/src/Components/Array2d.php
+++ b/src/Components/Array2d.php
@@ -82,7 +82,7 @@ class Array2d extends Component
                     $arrCount = count($arr->values);
                     if ($count === -1) {
                         $count = $arrCount;
-                    } elseif ($arrCount != $count) {
+                    } elseif ($arrCount !== $count) {
                         $parser->error(
                             sprintf(
                                 Translator::gettext('%1$d values were expected, but found %2$d.'),
diff --git a/src/Components/Condition.php b/src/Components/Condition.php
index 4e12b3f..2be0abd 100644
--- a/src/Components/Condition.php
+++ b/src/Components/Condition.php
@@ -179,7 +179,7 @@ class Condition extends Component
                 if ($token->value === '(') {
                     ++$brackets;
                 } elseif ($token->value === ')') {
-                    if ($brackets == 0) {
+                    if ($brackets === 0) {
                         break;
                     }
                     --$brackets;
diff --git a/src/Components/Expression.php b/src/Components/Expression.php
index 4a83f63..5350e36 100644
--- a/src/Components/Expression.php
+++ b/src/Components/Expression.php
@@ -299,7 +299,7 @@ class Expression extends Component
                         $ret->function = $prev[1]->value;
                     }
                 } elseif ($token->value === ')') {
-                    if ($brackets == 0) {
+                    if ($brackets === 0) {
                         // Not our bracket
                         break;
                     } else {
diff --git a/src/Components/IntoKeyword.php b/src/Components/IntoKeyword.php
index dd3f7f6..c0fa390 100644
--- a/src/Components/IntoKeyword.php
+++ b/src/Components/IntoKeyword.php
@@ -207,10 +207,10 @@ class IntoKeyword extends Component
                 $ret->dest = $token->value;
 
                 $state = 3;
-            } elseif ($state == 3) {
+            } elseif ($state === 3) {
                 $ret->parseFileOptions($parser, $list, $token->value);
                 $state = 4;
-            } elseif ($state == 4) {
+            } elseif ($state === 4) {
                 if ($token->type === Token::TYPE_KEYWORD && $token->keyword !== 'LINES') {
                     break;
                 }
diff --git a/src/Components/OptionsArray.php b/src/Components/OptionsArray.php
index 871772b..fd02d22 100644
--- a/src/Components/OptionsArray.php
+++ b/src/Components/OptionsArray.php
@@ -247,10 +247,10 @@ class OptionsArray extends Component
          */
         if ($state === 1
             && $lastOption
-            && ($lastOption[1] == 'expr'
-            || $lastOption[1] == 'var'
-            || $lastOption[1] == 'var='
-            || $lastOption[1] == 'expr=')
+            && ($lastOption[1] === 'expr'
+            || $lastOption[1] === 'var'
+            || $lastOption[1] === 'var='
+            || $lastOption[1] === 'expr=')
         ) {
             $parser->error(
                 sprintf(
diff --git a/src/Components/SetOperation.php b/src/Components/SetOperation.php
index 83f2e55..7dab0a1 100644
--- a/src/Components/SetOperation.php
+++ b/src/Components/SetOperation.php
@@ -94,7 +94,7 @@ class SetOperation extends Component
             // No keyword is expected.
             if (($token->type === Token::TYPE_KEYWORD)
                 && ($token->flags & Token::FLAG_KEYWORD_RESERVED)
-                && ($state == 0)
+                && ($state === 0)
             ) {
                 break;
             }
@@ -113,7 +113,7 @@ class SetOperation extends Component
                         'breakOnAlias' => true,
                     )
                 );
-                if ($tmp == null) {
+                if (is_null($tmp)) {
                     $parser->error('Missing expression.', $token);
                     break;
                 }