diff --git a/.automation/test/php/php_bad_2.php b/.automation/test/php/php_bad_2.php
index 71559d02..106fe977 100644
--- a/.automation/test/php/php_bad_2.php
+++ b/.automation/test/php/php_bad_2.php
@@ -1,4 +1,15 @@
 <?php
 
-function f(int $i){}
-f("not int');
+/**
+ * @return array<string>
+ */
+function takesAnInt(int $i) {
+    return [$i, "hello"];
+}
+
+$data = ["some text", 5];
+takesAnInt($data[0]);
+
+$condition = rand(0, 5);
+iff ($condition) {
+} elseif ($condition) {}
diff --git a/.automation/test/php/php_good_2.php b/.automation/test/php/php_good_2.php
new file mode 100644
index 00000000..35348ec0
--- /dev/null
+++ b/.automation/test/php/php_good_2.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * @return array<string>
+ */
+function helloName(string $name): array
+{
+    return ["hello", $name];
+}
+
+function helloSuperLinter(): void
+{
+    $hello = helloName("Super-Linter");
+    echo implode(" ", $hello) . PHP_EOL;
+}
+
+function helloOrWorld(): void
+{
+    $random = rand(0, 10);
+    if ($random >= 5) {
+        echo "Hello";
+    } else {
+        echo "World";
+    }
+}
diff --git a/.automation/test/php/reports/expected-PHP.tap b/.automation/test/php/reports/expected-PHP_BUILTIN.tap
similarity index 52%
rename from .automation/test/php/reports/expected-PHP.tap
rename to .automation/test/php/reports/expected-PHP_BUILTIN.tap
index 652ad276..beb3656e 100644
--- a/.automation/test/php/reports/expected-PHP.tap
+++ b/.automation/test/php/reports/expected-PHP_BUILTIN.tap
@@ -1,11 +1,12 @@
 TAP version 13
-1..3
+1..4
 not ok 1 - php_bad_1.php
   ---
   message: PHP Parse error   syntax error, unexpected 'pe98y' (T_STRING) in /tmp/lint/.automation/test/php/php_bad_1.php on line 3\nErrors parsing /tmp/lint/.automation/test/php/php_bad_1.php\n
   ...
 not ok 2 - php_bad_2.php
   ---
-  message: PHP Parse error   syntax error, unexpected end of file, expecting variable (T_VARIABLE) or ${ (T_DOLLAR_OPEN_CURLY_BRACES) or {$ (T_CURLY_OPEN) in /tmp/lint/.automation/test/php/php_bad_2.php on line 5\nErrors parsing /tmp/lint/.automation/test/php/php_bad_2.php\n
+  message: PHP Parse error   syntax error, unexpected '}' in /tmp/lint/.automation/test/php/php_bad_2.php on line 15\nErrors parsing /tmp/lint/.automation/test/php/php_bad_2.php\n
   ...
 ok 3 - php_good_1.php
+ok 4 - php_good_2.php
diff --git a/.automation/test/php/reports/expected-PHP_PHPCS.tap.ignored b/.automation/test/php/reports/expected-PHP_PHPCS.tap.ignored
new file mode 100644
index 00000000..bf7e541d
--- /dev/null
+++ b/.automation/test/php/reports/expected-PHP_PHPCS.tap.ignored
@@ -0,0 +1,12 @@
+TAP version 13
+1..4
+not ok 1 - php_bad_1.php
+  ---
+  message: \nFILE  /tmp/lint/.automation/test/php/php_bad_1.php\n----------------------------------------------------------------------\nFOUND 7 ERRORS AFFECTING 1 LINE\n----------------------------------------------------------------------\n 3 | ERROR | [x] Expected at least 1 space before "-"; 0 found\n 3 | ERROR | [x] Expected at least 1 space after "-"; 0 found\n 3 | ERROR | [x] Expected at least 1 space before "="; 0 found\n 3 | ERROR | [x] Expected at least 1 space after "="; 0 found\n 3 | ERROR | [x] Expected at least 1 space before "-"; 0 found\n 3 | ERROR | [x] Expected at least 1 space before "-"; 0 found\n 3 | ERROR | [x] Expected at least 1 space after "-"; 0 found\n----------------------------------------------------------------------\nPHPCBF CAN FIX THE 7 MARKED SNIFF VIOLATIONS AUTOMATICALLY\n----------------------------------------------------------------------\n\n
+  ...
+not ok 2 - php_bad_2.php
+  ---
+  message: \nFILE  /tmp/lint/.automation/test/php/php_bad_2.php\n----------------------------------------------------------------------\nFOUND 4 ERRORS AND 1 WARNING AFFECTING 4 LINES\n----------------------------------------------------------------------\n  1 | WARNING | [ ] A file should declare new symbols (classes,\n    |         |     functions, constants, etc.) and cause no other\n    |         |     side effects, or it should execute logic with\n    |         |     side effects, but should not do both. The first\n    |         |     symbol is defined on line 6 and the first side\n    |         |     effect is on line 10.\n  6 | ERROR   | [x] Opening brace should be on a new line\n 14 | ERROR   | [x] Space before opening parenthesis of function call\n    |         |     prohibited\n 15 | ERROR   | [x] Newline required after opening brace\n 15 | ERROR   | [x] Closing brace must be on a line by itself\n----------------------------------------------------------------------\nPHPCBF CAN FIX THE 4 MARKED SNIFF VIOLATIONS AUTOMATICALLY\n----------------------------------------------------------------------\n\n
+  ...
+ok 3 - php_good_1.php
+ok 4 - php_good_2.php
diff --git a/.automation/test/php/reports/expected-PHP_PHPSTAN.tap b/.automation/test/php/reports/expected-PHP_PHPSTAN.tap
index 053f0eb0..03f22dd1 100644
--- a/.automation/test/php/reports/expected-PHP_PHPSTAN.tap
+++ b/.automation/test/php/reports/expected-PHP_PHPSTAN.tap
@@ -1,11 +1,12 @@
 TAP version 13
-1..3
+1..4
 not ok 1 - php_bad_1.php
   ---
   message:  ------ ---------------------------------------------- \n  Line   php_bad_1.php                                 \n ------ ---------------------------------------------- \n  3      Invalid numeric literal on line 3             \n  3      Invalid numeric literal on line 3             \n  3      Syntax error, unexpected '=' on line 3        \n  3      Syntax error, unexpected T_LNUMBER on line 3  \n  3      Syntax error, unexpected T_STRING on line 3   \n  3      Syntax error, unexpected T_STRING on line 3   \n ------ ---------------------------------------------- \n\n [ERROR] Found 6 errors                                                         \n
   ...
 not ok 2 - php_bad_2.php
   ---
-  message:  ------ ------------------------------------------------------- \n  Line   php_bad_2.php                                          \n ------ ------------------------------------------------------- \n  5      Syntax error, unexpected EOF, expecting T_VARIABLE or  \n         T_DOLLAR_OPEN_CURLY_BRACES or T_CURLY_OPEN on line 5   \n ------ ------------------------------------------------------- \n\n [ERROR] Found 1 error                                                          \n
+  message:  ------ ----------------------------------------- \n  Line   php_bad_2.php                            \n ------ ----------------------------------------- \n  15     Syntax error, unexpected '}' on line 15  \n ------ ----------------------------------------- \n\n [ERROR] Found 1 error                                                          \n
   ...
-ok 3 - php_good_1.php
\ No newline at end of file
+ok 3 - php_good_1.php
+ok 4 - php_good_2.php
diff --git a/.automation/test/php/reports/expected-PHP_PSALM.tap.ignored b/.automation/test/php/reports/expected-PHP_PSALM.tap.ignored
new file mode 100644
index 00000000..57baa89a
--- /dev/null
+++ b/.automation/test/php/reports/expected-PHP_PSALM.tap.ignored
@@ -0,0 +1,12 @@
+TAP version 13
+1..4
+not ok 1 - php_bad_1.php
+  ---
+  message: Scanning files...\nAnalyzing files...\n\nE\n\nERROR  ParseError - php/php_bad_1.php 3 2 - Syntax error, unexpected T_STRING on line 3 (see https //psalm.dev/173)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 2 - Const pe98y is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 8 - Const r is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 10 - Const n0u823n is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  ParseError - php/php_bad_1.php 3 17 - Syntax error, unexpected '=' on line 3 (see https //psalm.dev/173)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 18 - Const r is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  ParseError - php/php_bad_1.php 3 21 - Invalid numeric literal on line 3 (see https //psalm.dev/173)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 24 - Const u3 is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 28 - Const r08u2q098ry is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  ParseError - php/php_bad_1.php 3 40 - Syntax error, unexpected T_LNUMBER on line 3 (see https //psalm.dev/173)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 42 - Const nq2yr09n2yr9 is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 55 - Const y2n is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  ParseError - php/php_bad_1.php 3 61 - Syntax error, unexpected T_STRING on line 3 (see https //psalm.dev/173)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 61 - Const yr is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\nERROR  UndefinedConstant - php/php_bad_1.php 3 68 - Const yr3 is not defined (see https //psalm.dev/020)\n2pe98y r-n0u823n=r  092u3- r08u2q098ry 09nq2yr09n2yr9 y2n-93yr  298yr3  29\n\n\n------------------------------\n15 errors found\n------------------------------\n\n
+  ...
+not ok 2 - php_bad_2.php
+  ---
+  message: Scanning files...\nAnalyzing files...\n\nE\n\nERROR  InvalidReturnType - php/php_bad_2.php 4 12 - The declared return type 'array<array-key, string>' for takesAnInt is incorrect, got 'array{int, string(hello)}' (see https //psalm.dev/011)\n * @return array<string>\n\n\nERROR  InvalidReturnStatement - php/php_bad_2.php 7 12 - The inferred type 'array{int, string(hello)}' does not match the declared return type 'array<array-key, string>' for takesAnInt (see https //psalm.dev/128)\n    return [$i, "hello"];\n\n\nERROR  InvalidScalarArgument - php/php_bad_2.php 11 12 - Argument 1 of takesAnInt expects int, string(some text) provided (see https //psalm.dev/012)\ntakesAnInt($data[0]);\n\n\nERROR  ParseError - php/php_bad_2.php 15 1 - Syntax error, unexpected '}' on line 15 (see https //psalm.dev/173)\n} elseif ($condition) {}\n\n\n------------------------------\n4 errors found\n------------------------------\nPsalm can automatically fix 1 of these issues.\nRun Psalm again with \n--alter --issues=InvalidReturnType --dry-run\nto see what it can fix.\n------------------------------\n\n
+  ...
+ok 3 - php_good_1.php
+ok 4 - php_good_2.php
diff --git a/Dockerfile b/Dockerfile
index cbf06664..fb496cd0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -65,8 +65,8 @@ RUN apk add --update --no-cache \
     npm nodejs-current \
     openjdk8-jre \
     perl \
-    php7 php7-phar php7-json php7-mbstring \
-    php7-tokenizer php7-ctype php7-curl php7-dom \
+    php7 php7-phar php7-json php7-mbstring php-xmlwriter \
+    php7-tokenizer php7-ctype php7-curl php7-dom php7-simplexml \
     py3-setuptools \
     readline-dev \
     ruby ruby-dev ruby-bundler ruby-rdoc \
@@ -100,6 +100,19 @@ ENV PATH="/node_modules/.bin:${PATH}"
 ##############################
 RUN bundle install
 
+##############################
+# Install Phive dependencies #
+##############################
+RUN wget -O phive.phar https://phar.io/releases/phive.phar \
+    && wget -O phive.phar.asc https://phar.io/releases/phive.phar.asc \
+    && gpg --keyserver pool.sks-keyservers.net --recv-keys 0x9D8A98B29B2D5D79 \
+    && gpg --verify phive.phar.asc phive.phar \
+    && chmod +x phive.phar \
+    && mv phive.phar /usr/local/bin/phive \
+    && rm phive.phar.asc \
+    && phive install --trust-gpg-keys 31C7E470E2138192,CF1A108D0E7AE720,8A03EA3B385DBAA1
+# Trusted GPG keys for PHP linters:   phpcs,           phpstan,         psalm
+
 #########################################
 # Install Powershell + PSScriptAnalyzer #
 #########################################
@@ -205,17 +218,6 @@ RUN wget https://github.com/cvega/luarocks/archive/v3.3.1-super-linter.tar.gz -O
 
 RUN luarocks install luacheck
 
-#############################
-# Install Phive and PHPStan #
-#############################
-RUN wget -O phive.phar https://phar.io/releases/phive.phar \
-    && wget -O phive.phar.asc https://phar.io/releases/phive.phar.asc \
-    && gpg --keyserver pool.sks-keyservers.net --recv-keys 0x9D8A98B29B2D5D79 \
-    && gpg --verify phive.phar.asc phive.phar \
-    && chmod +x phive.phar \
-    && mv phive.phar /usr/local/bin/phive \
-    && yes | phive install -g phpstan
-
 ###########################################
 # Load GitHub Env Vars for GitHub Actions #
 ###########################################
diff --git a/README.md b/README.md
index 68c4c1ed..eec27ebb 100644
--- a/README.md
+++ b/README.md
@@ -41,39 +41,39 @@ The design of the **Super-Linter** is currently to allow linting to occur in **G
 
 Developers on **GitHub** can call the **GitHub Action** to lint their code base with the following list of linters:
 
-| _Language_                       | _Linter_                                                                                                 |
-| -------------------------------- | -------------------------------------------------------------------------------------------------------- |
-| **Ansible**                      | [ansible-lint](https://github.com/ansible/ansible-lint)                                                  |
-| **Azure Resource Manager (ARM)** | [arm-ttk](https://github.com/azure/arm-ttk)                                                              |
-| **AWS CloudFormation templates** | [cfn-lint](https://github.com/aws-cloudformation/cfn-python-lint/)                                       |
-| **CSS**                          | [stylelint](https://stylelint.io/)                                                                       |
-| **Clojure**                      | [clj-kondo](https://github.com/borkdude/clj-kondo)                                                       |
-| **CoffeeScript**                 | [coffeelint](https://coffeelint.github.io/)                                                              |
-| **Dart**                         | [dartanalyzer](https://dart.dev/guides/language/analysis-options)                                        |
-| **Dockerfile**                   | [dockerfilelint](https://github.com/replicatedhq/dockerfilelint.git)                                     |
-| **EDITORCONFIG**                 | [editorconfig-checker](https://github.com/editorconfig-checker/editorconfig-checker)                     |
-| **ENV**                          | [dotenv-linter](https://github.com/dotenv-linter/dotenv-linter)                                          |
-| **Golang**                       | [golangci-lint](https://github.com/golangci/golangci-lint)                                               |
-| **Groovy**                       | [npm-groovy-lint](https://github.com/nvuillam/npm-groovy-lint)                                           |
-| **HTMLHint**                     | [HTMLHint](https://github.com/htmlhint/HTMLHint)                                                         |
-| **JavaScript**                   | [eslint](https://eslint.org/) [standard js](https://standardjs.com/)                                     |
-| **JSON**                         | [jsonlint](https://github.com/zaach/jsonlint)                                                            |
-| **Kotlin**                       | [ktlint](https://github.com/pinterest/ktlint)                                                            |
-| **Lua**                          | [luacheck](https://github.com/luarocks/luacheck)                                                         |
-| **Markdown**                     | [markdownlint](https://github.com/igorshubovych/markdownlint-cli#readme)                                 |
-| **OpenAPI**                      | [spectral](https://github.com/stoplightio/spectral)                                                      |
-| **Perl**                         | [perl](https://pkgs.alpinelinux.org/package/edge/main/x86/perl)                                          |
-| **PHP**                          | [PHP](https://www.php.net/)                                                                              |
-| **PowerShell**                   | [PSScriptAnalyzer](https://github.com/PowerShell/Psscriptanalyzer)                                       |
-| **Protocol Buffers**             | [protolint](https://github.com/yoheimuta/protolint)                                                      |
-| **Python3**                      | [pylint](https://www.pylint.org/) [flake8](https://flake8.pycqa.org/en/latest/)                          |
-| **Raku**                         | [raku](https://raku.org)                                                                                 |
-| **Ruby**                         | [RuboCop](https://github.com/rubocop-hq/rubocop)                                                         |
-| **Shell**                        | [Shellcheck](https://github.com/koalaman/shellcheck)                                                     |
-| **Terraform**                    | [tflint](https://github.com/terraform-linters/tflint) [terrascan](https://github.com/accurics/terrascan) |
-| **TypeScript**                   | [eslint](https://eslint.org/) [standard js](https://standardjs.com/)                                     |
-| **XML**                          | [LibXML](http://xmlsoft.org/)                                                                            |
-| **YAML**                         | [YamlLint](https://github.com/adrienverge/yamllint)                                                      |
+| _Language_                       | _Linter_                                                                                                                                                                 |
+| -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+| **Ansible**                      | [ansible-lint](https://github.com/ansible/ansible-lint)                                                                                                                  |
+| **Azure Resource Manager (ARM)** | [arm-ttk](https://github.com/azure/arm-ttk)                                                                                                                              |
+| **AWS CloudFormation templates** | [cfn-lint](https://github.com/aws-cloudformation/cfn-python-lint/)                                                                                                       |
+| **CSS**                          | [stylelint](https://stylelint.io/)                                                                                                                                       |
+| **Clojure**                      | [clj-kondo](https://github.com/borkdude/clj-kondo)                                                                                                                       |
+| **CoffeeScript**                 | [coffeelint](https://coffeelint.github.io/)                                                                                                                              |
+| **Dart**                         | [dartanalyzer](https://dart.dev/guides/language/analysis-options)                                                                                                        |
+| **Dockerfile**                   | [dockerfilelint](https://github.com/replicatedhq/dockerfilelint.git)                                                                                                     |
+| **EDITORCONFIG**                 | [editorconfig-checker](https://github.com/editorconfig-checker/editorconfig-checker)                                                                                     |
+| **ENV**                          | [dotenv-linter](https://github.com/dotenv-linter/dotenv-linter)                                                                                                          |
+| **Golang**                       | [golangci-lint](https://github.com/golangci/golangci-lint)                                                                                                               |
+| **Groovy**                       | [npm-groovy-lint](https://github.com/nvuillam/npm-groovy-lint)                                                                                                           |
+| **HTMLHint**                     | [HTMLHint](https://github.com/htmlhint/HTMLHint)                                                                                                                         |
+| **JavaScript**                   | [eslint](https://eslint.org/) [standard js](https://standardjs.com/)                                                                                                     |
+| **JSON**                         | [jsonlint](https://github.com/zaach/jsonlint)                                                                                                                            |
+| **Kotlin**                       | [ktlint](https://github.com/pinterest/ktlint)                                                                                                                            |
+| **Lua**                          | [luacheck](https://github.com/luarocks/luacheck)                                                                                                                         |
+| **Markdown**                     | [markdownlint](https://github.com/igorshubovych/markdownlint-cli#readme)                                                                                                 |
+| **OpenAPI**                      | [spectral](https://github.com/stoplightio/spectral)                                                                                                                      |
+| **Perl**                         | [perl](https://pkgs.alpinelinux.org/package/edge/main/x86/perl)                                                                                                          |
+| **PHP**                          | [PHP built-in linter](https://www.php.net/) [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) [PHPStan](https://phpstan.org/n) [Psalm](https://psalm.dev/) |
+| **PowerShell**                   | [PSScriptAnalyzer](https://github.com/PowerShell/Psscriptanalyzer)                                                                                                       |
+| **Protocol Buffers**             | [protolint](https://github.com/yoheimuta/protolint)                                                                                                                      |
+| **Python3**                      | [pylint](https://www.pylint.org/) [flake8](https://flake8.pycqa.org/en/latest/)                                                                                          |
+| **Raku**                         | [raku](https://raku.org)                                                                                                                                                 |
+| **Ruby**                         | [RuboCop](https://github.com/rubocop-hq/rubocop)                                                                                                                         |
+| **Shell**                        | [Shellcheck](https://github.com/koalaman/shellcheck)                                                                                                                     |
+| **Terraform**                    | [tflint](https://github.com/terraform-linters/tflint) [terrascan](https://github.com/accurics/terrascan)                                                                 |
+| **TypeScript**                   | [eslint](https://eslint.org/) [standard js](https://standardjs.com/)                                                                                                     |
+| **XML**                          | [LibXML](http://xmlsoft.org/)                                                                                                                                            |
+| **YAML**                         | [YamlLint](https://github.com/adrienverge/yamllint)                                                                                                                      |
 
 ## How to use
 
@@ -210,8 +210,11 @@ and won't run anything unexpected.
 | **VALIDATE_MD**                  | `true`                | Flag to enable or disable the linting process of the Markdown language.                                                                                                          |
 | **VALIDATE_OPENAPI**             | `true`                | Flag to enable or disable the linting process of the OpenAPI language.                                                                                                           |
 | **VALIDATE_PERL**                | `true`                | Flag to enable or disable the linting process of the Perl language.                                                                                                              |
-| **VALIDATE_PHP**                 | `true`                | Flag to enable or disable the linting process of the PHP language.                                                                                                               |
-| **VALIDATE_PHP_PHPSTAN**         | `true`                | Flag to enable or disable the linting process of the PHP language (Utilizing: PHPStan).                                                                                          |
+| **VALIDATE_PHP**                 | `true`                | Flag to enable or disable the linting process of the PHP language. (Utilizing: PHP built-in linter) (keep for backward compatibility)                                            |
+| **VALIDATE_PHP_BUILTIN**         | `true`                | Flag to enable or disable the linting process of the PHP language. (Utilizing: PHP built-in linter)                                                                              |
+| **VALIDATE_PHP_PHPCS**           | `true`                | Flag to enable or disable the linting process of the PHP language. (Utilizing: PHP CodeSniffer)                                                                                  |
+| **VALIDATE_PHP_PHPSTAN**         | `true`                | Flag to enable or disable the linting process of the PHP language. (Utilizing: PHPStan)                                                                                          |
+| **VALIDATE_PHP_PSALM**           | `true`                | Flag to enable or disable the linting process of the PHP language. (Utilizing: PSalm)                                                                                            |
 | **VALIDATE_PROTOBUF**            | `true`                | Flag to enable or disable the linting process of the Protobuf language.                                                                                                          |
 | **VALIDATE_PYTHON**              | `true`                | Flag to enable or disable the linting process of the Python language. (Utilizing: pylint) (keep for backward compatibility)                                                      |
 | **VALIDATE_PYTHON_PYLINT**       | `true`                | Flag to enable or disable the linting process of the Python language. (Utilizing: pylint)                                                                                        |
diff --git a/TEMPLATES/phpcs.xml b/TEMPLATES/phpcs.xml
new file mode 100644
index 00000000..db39fed5
--- /dev/null
+++ b/TEMPLATES/phpcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<ruleset name="super-linter">
+    <description>The default coding standard for usage with GitHub Super-Linter. It just includes PSR12.</description>
+    <rule ref="PSR12" />
+</ruleset>
diff --git a/TEMPLATES/psalm.xml b/TEMPLATES/psalm.xml
new file mode 100644
index 00000000..0eb2e126
--- /dev/null
+++ b/TEMPLATES/psalm.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<psalm xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://getpsalm.org/schema/config" xmlns="https://getpsalm.org/schema/config">
+</psalm>
diff --git a/dependencies/phive.xml b/dependencies/phive.xml
new file mode 100644
index 00000000..8d1b31d4
--- /dev/null
+++ b/dependencies/phive.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phive xmlns="https://phar.io/phive">
+  <!-- When adding new linter, do not forget to add its GPG key ID to Dockerfile -->
+  <phar name="phpcs" version="^3.5" installed="3.5.5" location="/usr/local/bin/phpcs" copy="true"/>
+  <phar name="phpstan" version="^0.12" installed="0.12.34" location="/usr/local/bin/phpstan" copy="true"/>
+  <phar name="psalm" version="^3.12" installed="3.12.2" location="/usr/local/bin/psalm" copy="true"/>
+</phive>
diff --git a/lib/buildFileList.sh b/lib/buildFileList.sh
index 3e52de0f..d98e7e6f 100755
--- a/lib/buildFileList.sh
+++ b/lib/buildFileList.sh
@@ -230,8 +230,10 @@ function BuildFileList() {
       ################################
       # Append the file to the array #
       ################################
-      FILE_ARRAY_PHP+=("${FILE}")
+      FILE_ARRAY_PHP_BUILTIN+=("${FILE}")
+      FILE_ARRAY_PHP_PHPCS+=("${FILE}")
       FILE_ARRAY_PHP_PHPSTAN+=("${FILE}")
+      FILE_ARRAY_PHP_PSALM+=("${FILE}")
       ##########################################################
       # Set the READ_ONLY_CHANGE_FLAG since this could be exec #
       ##########################################################
diff --git a/lib/linter.sh b/lib/linter.sh
index 88bec682..e044726d 100755
--- a/lib/linter.sh
+++ b/lib/linter.sh
@@ -72,11 +72,23 @@ MARKDOWN_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${MARKDOWN_FILE_NAME}" # Path t
 # OpenAPI Vars
 OPENAPI_FILE_NAME='.openapirc.yml'                                    # Name of the file
 OPENAPI_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${OPENAPI_FILE_NAME}" # Path to the OpenAPI lint rules
-# PHP Vars
-PHPSTAN_FILE_NAME='phpstan.neon'                                # Name of the file
-PHPSTAN_LINTER_RULES="${GITHUB_WORKSPACE}/${PHPSTAN_FILE_NAME}" # Path to the PHPStan lint rules in the repository
-if [ ! -f "$PHPSTAN_LINTER_RULES" ]; then
-  PHPSTAN_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${PHPSTAN_FILE_NAME}" # Path to the PHPStan lint rules
+# PHPCS Vars
+PHP_PHPCS_FILE_NAME='phpcs.xml'                                     # Name of the file
+PHP_PHPCS_LINTER_RULES="${GITHUB_WORKSPACE}/${PHP_PHPCS_FILE_NAME}" # Path to the PHP CodeSniffer lint rules in the repository
+if [ ! -f "$PHP_PHPCS_LINTER_RULES" ]; then
+  PHP_PHPCS_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${PHP_PHPCS_FILE_NAME}" # Path to the PHP CodeSniffer lint rules
+fi
+# PHPStan Vars
+PHP_PHPSTAN_FILE_NAME='phpstan.neon'                                    # Name of the file
+PHP_PHPSTAN_LINTER_RULES="${GITHUB_WORKSPACE}/${PHP_PHPSTAN_FILE_NAME}" # Path to the PHPStan lint rules in the repository
+if [ ! -f "$PHP_PHPSTAN_LINTER_RULES" ]; then
+  PHP_PHPSTAN_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${PHP_PHPSTAN_FILE_NAME}" # Path to the PHPStan lint rules
+fi
+# Psalm Vars
+PHP_PSALM_FILE_NAME='psalm.xml'                                     # Name of the file
+PHP_PSALM_LINTER_RULES="${GITHUB_WORKSPACE}/${PHP_PSALM_FILE_NAME}" # Path to the Psalm lint rules in the repository
+if [ ! -f "$PHP_PSALM_LINTER_RULES" ]; then
+  PHP_PSALM_LINTER_RULES="${DEFAULT_RULES_LOCATION}/${PHP_PSALM_FILE_NAME}" # Path to the Psalm lint rules
 fi
 # Powershell Vars
 POWERSHELL_FILE_NAME='.powershell-psscriptanalyzer.psd1'                    # Name of the file
@@ -117,9 +129,10 @@ LINTER_ARRAY=('ansible-lint' 'arm-ttk' 'asl-validator' 'cfn-lint' 'clj-kondo' 'c
 #############################
 LANGUAGE_ARRAY=('ANSIBLE' 'ARM' 'BASH' 'CLOUDFORMATION' 'CLOJURE' 'COFFEESCRIPT' 'CSS'
   'DART' 'DOCKER' 'ENV' 'GO' 'GROOVY' 'HTML' 'JAVASCRIPT_ES' 'JAVASCRIPT_STANDARD'
-  'JSON' 'JSX' 'KOTLIN' 'LUA' 'MARKDOWN' 'OPENAPI' 'PERL' 'PHP' 'PHP_PHPSTAN' 'POWERSHELL'
-  'PROTOBUF' 'PYTHON_PYLINT' 'PYTHON_FLAKE8' 'RAKU' 'RUBY' 'STATES' 'TERRAFORM'
-  'TERRAFORM_TERRASCAN' 'TSX' 'TYPESCRIPT_ES' 'TYPESCRIPT_STANDARD' 'XML' 'YAML')
+  'JSON' 'JSX' 'KOTLIN' 'LUA' 'MARKDOWN' 'OPENAPI' 'PERL' 'PHP_BUILTIN' 'PHP_PHPCS'
+  'PHP_PHPSTAN' 'PHP_PSALM' 'POWERSHELL' 'PROTOBUF' 'PYTHON_PYLINT' 'PYTHON_FLAKE8'
+  'RAKU' 'RUBY' 'STATES' 'TERRAFORM' 'TERRAFORM_TERRASCAN' 'TSX' 'TYPESCRIPT_ES'
+  'TYPESCRIPT_STANDARD' 'XML' 'YAML')
 
 ############################################
 # Array for all languages that were linted #
@@ -166,8 +179,10 @@ VALIDATE_LUA="${VALIDATE_LUA}"                                       # Boolean t
 VALIDATE_MARKDOWN="${VALIDATE_MD:-}"                                 # Boolean to validate language
 VALIDATE_OPENAPI="${VALIDATE_OPENAPI}"                               # Boolean to validate language
 VALIDATE_PERL="${VALIDATE_PERL}"                                     # Boolean to validate language
-VALIDATE_PHP="${VALIDATE_PHP}"                                       # Boolean to validate language
+VALIDATE_PHP_BUILTIN="${VALIDATE_PHP:-VALIDATE_PHP_BUILTIN}"         # Boolean to validate language
+VALIDATE_PHP_PHPCS="${VALIDATE_PHP_PHPCS}"                           # Boolean to validate language
 VALIDATE_PHP_PHPSTAN="${VALIDATE_PHP_PHPSTAN}"                       # Boolean to validate language
+VALIDATE_PHP_PSALM="${VALIDATE_PHP_PSALM}"                           # Boolean to validate language
 VALIDATE_POWERSHELL="${VALIDATE_POWERSHELL}"                         # Boolean to validate language
 VALIDATE_PYTHON_PYLINT="${VALIDATE_PYTHON:-$VALIDATE_PYTHON_PYLINT}" # Boolean to validate language
 VALIDATE_PYTHON_FLAKE8="${VALIDATE_PYTHON_FLAKE8}"                   # Boolean to validate language
@@ -259,8 +274,10 @@ FILE_ARRAY_LUA=()                 # Array of files to check
 FILE_ARRAY_MARKDOWN=()            # Array of files to check
 FILE_ARRAY_OPENAPI=()             # Array of files to check
 FILE_ARRAY_PERL=()                # Array of files to check
-FILE_ARRAY_PHP=()                 # Array of files to check
+FILE_ARRAY_PHP_BUILTIN=()         # Array of files to check
+FILE_ARRAY_PHP_PHPCS=()           # Array of files to check
 FILE_ARRAY_PHP_PHPSTAN=()         # Array of files to check
+FILE_ARRAY_PHP_PSALM=()           # Array of files to check
 FILE_ARRAY_POWERSHELL=()          # Array of files to check
 FILE_ARRAY_PROTOBUF=()            # Array of files to check
 FILE_ARRAY_PYTHON_PYLINT=()       # Array of files to check
@@ -322,10 +339,14 @@ ERRORS_FOUND_OPENAPI=0                  # Count of errors found
 export ERRORS_FOUND_OPENAPI             # Workaround SC2034
 ERRORS_FOUND_PERL=0                     # Count of errors found
 export ERRORS_FOUND_PERL                # Workaround SC2034
-ERRORS_FOUND_PHP=0                      # Count of errors found
-export ERRORS_FOUND_PHP                 # Workaround SC2034
+ERRORS_FOUND_PHP_BUILTIN=0              # Count of errors found
+export ERRORS_FOUND_PHP_BUILTIN         # Workaround SC2034
+ERRORS_FOUND_PHP_PHPCS=0                # Count of errors found
+export ERRORS_FOUND_PHP_PHPCS           # Workaround SC2034
 ERRORS_FOUND_PHP_PHPSTAN=0              # Count of errors found
 export ERRORS_FOUND_PHP_PHPSTAN         # Workaround SC2034
+ERRORS_FOUND_PHP_PSALM=0                # Count of errors found
+export ERRORS_FOUND_PHP_PSALM           # Workaround SC2034
 ERRORS_FOUND_POWERSHELL=0               # Count of errors found
 export ERRORS_FOUND_POWERSHELL          # Workaround SC2034
 ERRORS_FOUND_PROTOBUF=0                 # Count of errors found
@@ -1484,23 +1505,36 @@ fi
 ################
 # PHP LINTING #
 ################
-if [ "${VALIDATE_PHP}" == "true" ]; then
-  #######################
-  # Lint the PHP files #
-  #######################
+if [ "${VALIDATE_PHP_BUILTIN}" == "true" ]; then
+  ################################################
+  # Lint the PHP files using built-in PHP linter #
+  ################################################
   # LintCodebase "FILE_TYPE" "LINTER_NAME" "LINTER_CMD" "FILE_TYPES_REGEX" "FILE_ARRAY"
-  LintCodebase "PHP" "php" "php -l" ".*\.\(php\)\$" "${FILE_ARRAY_PHP[@]}"
+  LintCodebase "PHP_BUILTIN" "php" "php -l" ".*\.\(php\)\$" "${FILE_ARRAY_PHP_BUILTIN[@]}"
+fi
+
+if [ "${VALIDATE_PHP_PHPCS}" == "true" ]; then
+  ############################################
+  # Lint the PHP files using PHP CodeSniffer #
+  ############################################
+  # LintCodebase "FILE_TYPE" "LINTER_NAME" "LINTER_CMD" "FILE_TYPES_REGEX" "FILE_ARRAY"
+  LintCodebase "PHP_PHPCS" "phpcs" "phpcs --standard=${PHP_PHPCS_LINTER_RULES}" ".*\.\(php\)\$" "${FILE_ARRAY_PHP_PHPCS[@]}"
 fi
 
-###################
-# PHPStan LINTING #
-###################
 if [ "${VALIDATE_PHP_PHPSTAN}" == "true" ]; then
   #######################
-  # Lint the PHP files #
+  # Lint the PHP files using PHPStan #
   #######################
   # LintCodebase "FILE_TYPE" "LINTER_NAME" "LINTER_CMD" "FILE_TYPES_REGEX" "FILE_ARRAY"
-  LintCodebase "PHP_PHPSTAN" "phpstan" "phpstan analyse --no-progress --no-ansi -c ${PHPSTAN_LINTER_RULES}" ".*\.\(php\)\$" "${FILE_ARRAY_PHP_PHPSTAN[@]}"
+  LintCodebase "PHP_PHPSTAN" "phpstan" "phpstan analyse --no-progress --no-ansi -c ${PHP_PHPSTAN_LINTER_RULES}" ".*\.\(php\)\$" "${FILE_ARRAY_PHP_PHPSTAN[@]}"
+fi
+
+if [ "${VALIDATE_PHP_PSALM}" == "true" ]; then
+  ##################################
+  # Lint the PHP files using Psalm #
+  ##################################
+  # LintCodebase "FILE_TYPE" "LINTER_NAME" "LINTER_CMD" "FILE_TYPES_REGEX" "FILE_ARRAY"
+  LintCodebase "PHP_PSALM" "psalm" "psalm --config=${PHP_PSALM_LINTER_RULES}" ".*\.\(php\)\$" "${FILE_ARRAY_PHP_PSALM[@]}"
 fi
 
 ######################
diff --git a/lib/possum.sh b/lib/possum.sh
index d867332b..92944cdd 100755
--- a/lib/possum.sh
+++ b/lib/possum.sh
@@ -8,12 +8,12 @@ cat << EOF
                       @///////@///////////////@@@@    (           @,
                      @/(&/@////////////////////                     @
                     @////////////////////////@@                      @
-                  @%////////(//////////%/////&@            @@       *,@
-             @@@@@/@/#/////(&//////////////////                       .@
-        *@@@@@.    .%///(//@//////////////////&.   .@@,                 @%
-      @@%           .&@&&/@.@//&/////(//////////    @@@@@@@@@         .. &@
-    @@%               @@@@@   @&/////////////////#   @/       V  @@/ ,@@@ @
-@@@%                   @@@@        .%@@@@//////#@ @   @@         @     .,.
+                  @%////////(//////////%/////&@            @@       *,@           ______________
+             @@@@@/@/#/////(&//////////////////                       .@         /              \\
+        *@@@@@.    .%///(//@//////////////////&.   .@@,                 @%      / Don't mind me  \\
+      @@%           .&@&&/@.@//&/////(//////////    @@@@@@@@@         .. &@    / I'm just looking \\
+    @@%               @@@@@   @&/////////////////#   @/       V  @@/ ,@@@ @   <  for some trash... |
+@@@%                   @@@@        .%@@@@//////#@ @   @@         @     .,.     \\__________________/
                                           @@@/@(  (@@@@% @/\      %
                                            @@@@(    .     .@@/\   #
                                              @                  %@%
diff --git a/lib/worker.sh b/lib/worker.sh
index 31617599..3cde38b6 100755
--- a/lib/worker.sh
+++ b/lib/worker.sh
@@ -589,8 +589,10 @@ function RunTestCases() {
   TestCodebase "LUA" "lua" "luacheck" ".*\.\(lua\)\$" "lua"
   TestCodebase "MARKDOWN" "markdownlint" "markdownlint -c ${MARKDOWN_LINTER_RULES}" ".*\.\(md\)\$" "markdown"
   TestCodebase "PERL" "perl" "perl -Mstrict -cw" ".*\.\(pl\)\$" "perl"
-  TestCodebase "PHP" "php" "php -l" ".*\.\(php\)\$" "php"
-  TestCodebase "PHP_PHPSTAN" "phpstan" "phpstan analyse --no-progress --no-ansi -c ${PHPSTAN_LINTER_RULES}" ".*\.\(php\)\$" "php"
+  TestCodebase "PHP_BUILTIN" "php" "php -l" ".*\.\(php\)\$" "php"
+  TestCodebase "PHP_PHPCS" "phpcs" "phpcs --standard=${PHP_PHPCS_LINTER_RULES}" ".*\.\(php\)\$" "php"
+  TestCodebase "PHP_PHPSTAN" "phpstan" "phpstan analyse --no-progress --no-ansi -c ${PHP_PHPSTAN_LINTER_RULES}" ".*\.\(php\)\$" "php"
+  TestCodebase "PHP_PSALM" "psalm" "psalm --config=${PHP_PSALM_LINTER_RULES}" ".*\.\(php\)\$" "php"
   TestCodebase "OPENAPI" "spectral" "spectral lint -r ${OPENAPI_LINTER_RULES}" ".*\.\(ymlopenapi\|jsonopenapi\)\$" "openapi"
   TestCodebase "POWERSHELL" "pwsh" "Invoke-ScriptAnalyzer -EnableExit -Settings ${POWERSHELL_LINTER_RULES} -Path" ".*\.\(ps1\|psm1\|psd1\|ps1xml\|pssc\|psrc\|cdxml\)\$" "powershell"
   TestCodebase "PROTOBUF" "protolint" "protolint lint --config_path ${PROTOBUF_LINTER_RULES}" ".*\.\(proto\)\$" "protobuf"