diff --git a/.gitignore b/.gitignore
index 6c619edfd..e618a01ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,3 +44,6 @@ coverage/html/
 .vscode
 cloudinary-image-management-and-manipulation-in-the-cloud-cdn
 cloudinary-image-management-and-manipulation-in-the-cloud-cdn.zip
+
+# phpstan
+phpstan/
diff --git a/.phpstan/class-aliases.php b/.phpstan/class-aliases.php
new file mode 100644
index 000000000..6d98fcbd3
--- /dev/null
+++ b/.phpstan/class-aliases.php
@@ -0,0 +1,4 @@
+<?php
+
+class WPCOM_VIP_CLI_Command {}
+class WP_CLI_Command {}
diff --git a/.phpstan/constants.php b/.phpstan/constants.php
new file mode 100644
index 000000000..5de192010
--- /dev/null
+++ b/.phpstan/constants.php
@@ -0,0 +1,7 @@
+<?php
+
+define( 'WPCOM_IS_VIP_ENV', '' );
+define( 'WPINC', '' );
+define( 'LOGGED_IN_COOKIE', '' );
+define( 'CLDN_URL', '' );
+define( 'CLDN_PATH', '' );
diff --git a/.phpstan/functions.php b/.phpstan/functions.php
new file mode 100644
index 000000000..c282d5007
--- /dev/null
+++ b/.phpstan/functions.php
@@ -0,0 +1,4 @@
+<?php
+
+function wpcom_vip_attachment_url_to_postid( $file ) {}
+function wc_get_product() {}
diff --git a/composer.json b/composer.json
index 8ecdb05ce..bd66ceef1 100644
--- a/composer.json
+++ b/composer.json
@@ -1,27 +1,30 @@
 {
-	"name": "cloudinary/cloudinary-image-management-and-manipulation-in-the-cloud-cdn",
-	"homepage": "https://wordpress.org/plugins/cloudinary-image-management-and-manipulation-in-the-cloud-cdn/",
-	"type": "wordpress-plugin",
-	"license": "GPL-2.0-or-later",
-	"require": {
-      "ext-json": "*"
-    },
-	"require-dev": {
-		"wp-coding-standards/wpcs": "^2.3",
-		"automattic/vipwpcs": "^2.2",
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.7.0"
-	},
-	"config": {
-		"platform": {
-			"php": "5.6.20"
-		}
-	},
-	"scripts": {
-		"lint": [
-			"phpcs --ignore=*js/*"
-		],
-		"fix": [
-			"phpcbf --ignore=*js/*"
-		]
-	}
+  "name": "cloudinary/cloudinary-image-management-and-manipulation-in-the-cloud-cdn",
+  "homepage": "https://wordpress.org/plugins/cloudinary-image-management-and-manipulation-in-the-cloud-cdn/",
+  "description": "Cloudinary is a cloud service that offers a solution to a web application's entire image and video management pipeline.",
+  "type": "wordpress-plugin",
+  "license": "GPL-2.0-or-later",
+  "require": {
+    "ext-json": "*"
+  },
+  "require-dev": {
+    "wp-coding-standards/wpcs": "^2.3",
+    "automattic/vipwpcs": "^2.2",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
+    "szepeviktor/phpstan-wordpress": "^0.7.5",
+    "phpstan/extension-installer": "^1.1"
+  },
+  "config": {
+    "platform": {
+      "php": "7.1"
+    }
+  },
+  "scripts": {
+    "lint": [
+      "phpcs --ignore=*js/*"
+    ],
+    "fix": [
+      "phpcbf --ignore=*js/*"
+    ]
+  }
 }
diff --git a/composer.lock b/composer.lock
index 5b3a34a58..40cb9053e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6861ee3c93085384379e878f247bc969",
+    "content-hash": "244732271081b74a140125c5aa92497b",
     "packages": [],
     "packages-dev": [
         {
@@ -52,26 +52,31 @@
                 "standards",
                 "wordpress"
             ],
+            "support": {
+                "issues": "https://github.com/Automattic/VIP-Coding-Standards/issues",
+                "source": "https://github.com/Automattic/VIP-Coding-Standards",
+                "wiki": "https://github.com/Automattic/VIP-Coding-Standards/wiki"
+            },
             "time": "2020-09-07T10:45:45+00:00"
         },
         {
             "name": "dealerdirect/phpcodesniffer-composer-installer",
-            "version": "v0.7.0",
+            "version": "v0.7.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Dealerdirect/phpcodesniffer-composer-installer.git",
-                "reference": "e8d808670b8f882188368faaf1144448c169c0b7"
+                "reference": "fe390591e0241955f22eb9ba327d137e501c771c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Dealerdirect/phpcodesniffer-composer-installer/zipball/e8d808670b8f882188368faaf1144448c169c0b7",
-                "reference": "e8d808670b8f882188368faaf1144448c169c0b7",
+                "url": "https://api.github.com/repos/Dealerdirect/phpcodesniffer-composer-installer/zipball/fe390591e0241955f22eb9ba327d137e501c771c",
+                "reference": "fe390591e0241955f22eb9ba327d137e501c771c",
                 "shasum": ""
             },
             "require": {
                 "composer-plugin-api": "^1.0 || ^2.0",
                 "php": ">=5.3",
-                "squizlabs/php_codesniffer": "^2 || ^3 || 4.0.x-dev"
+                "squizlabs/php_codesniffer": "^2.0 || ^3.0 || ^4.0"
             },
             "require-dev": {
                 "composer/composer": "*",
@@ -118,28 +123,181 @@
                 "stylecheck",
                 "tests"
             ],
-            "time": "2020-06-25T14:57:39+00:00"
+            "support": {
+                "issues": "https://github.com/dealerdirect/phpcodesniffer-composer-installer/issues",
+                "source": "https://github.com/dealerdirect/phpcodesniffer-composer-installer"
+            },
+            "time": "2020-12-07T18:04:37+00:00"
+        },
+        {
+            "name": "php-stubs/wordpress-stubs",
+            "version": "v5.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-stubs/wordpress-stubs.git",
+                "reference": "69baf30e7c92f149526da950a68222af05f7bc67"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-stubs/wordpress-stubs/zipball/69baf30e7c92f149526da950a68222af05f7bc67",
+                "reference": "69baf30e7c92f149526da950a68222af05f7bc67",
+                "shasum": ""
+            },
+            "replace": {
+                "giacocorsiglia/wordpress-stubs": "*"
+            },
+            "require-dev": {
+                "giacocorsiglia/stubs-generator": "^0.5.0",
+                "php": "~7.1"
+            },
+            "suggest": {
+                "paragonie/sodium_compat": "Pure PHP implementation of libsodium",
+                "symfony/polyfill-php73": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
+                "szepeviktor/phpstan-wordpress": "WordPress extensions for PHPStan"
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "WordPress function and class declaration stubs for static analysis.",
+            "homepage": "https://github.com/php-stubs/wordpress-stubs",
+            "keywords": [
+                "PHPStan",
+                "static analysis",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/php-stubs/wordpress-stubs/issues",
+                "source": "https://github.com/php-stubs/wordpress-stubs/tree/v5.7.0"
+            },
+            "time": "2021-03-10T10:29:23+00:00"
+        },
+        {
+            "name": "phpstan/extension-installer",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/extension-installer.git",
+                "reference": "66c7adc9dfa38b6b5838a9fb728b68a7d8348051"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/66c7adc9dfa38b6b5838a9fb728b68a7d8348051",
+                "reference": "66c7adc9dfa38b6b5838a9fb728b68a7d8348051",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^1.1 || ^2.0",
+                "php": "^7.1 || ^8.0",
+                "phpstan/phpstan": ">=0.11.6"
+            },
+            "require-dev": {
+                "composer/composer": "^1.8",
+                "phing/phing": "^2.16.3",
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
+                "phpstan/phpstan-strict-rules": "^0.11 || ^0.12"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PHPStan\\ExtensionInstaller\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\ExtensionInstaller\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Composer plugin for automatic installation of PHPStan extensions",
+            "support": {
+                "issues": "https://github.com/phpstan/extension-installer/issues",
+                "source": "https://github.com/phpstan/extension-installer/tree/1.1.0"
+            },
+            "time": "2020-12-13T13:06:13+00:00"
+        },
+        {
+            "name": "phpstan/phpstan",
+            "version": "0.12.82",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "3920f0fb0aff39263d3a4cb0bca120a67a1a6a11"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/3920f0fb0aff39263d3a4cb0bca120a67a1a6a11",
+                "reference": "3920f0fb0aff39263d3a4cb0bca120a67a1a6a11",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.12-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "support": {
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.82"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://www.patreon.com/phpstan",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpstan/phpstan",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-03-19T06:08:17+00:00"
         },
         {
             "name": "sirbrillig/phpcs-variable-analysis",
-            "version": "v2.9.0",
+            "version": "v2.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sirbrillig/phpcs-variable-analysis.git",
-                "reference": "ff54d4ec7f2bd152d526fdabfeff639aa9b8be01"
+                "reference": "e76e816236f401458dd8e16beecab905861b5867"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sirbrillig/phpcs-variable-analysis/zipball/ff54d4ec7f2bd152d526fdabfeff639aa9b8be01",
-                "reference": "ff54d4ec7f2bd152d526fdabfeff639aa9b8be01",
+                "url": "https://api.github.com/repos/sirbrillig/phpcs-variable-analysis/zipball/e76e816236f401458dd8e16beecab905861b5867",
+                "reference": "e76e816236f401458dd8e16beecab905861b5867",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.4.0",
-                "squizlabs/php_codesniffer": "^3.1"
+                "squizlabs/php_codesniffer": "^3.5"
             },
             "require-dev": {
-                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4 || ^0.5 || ^0.6",
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
                 "limedeck/phpunit-detailed-printer": "^3.1 || ^4.0 || ^5.0",
                 "phpstan/phpstan": "^0.11.8",
                 "phpunit/phpunit": "^5.0 || ^6.5 || ^7.0 || ^8.0",
@@ -166,7 +324,12 @@
                 }
             ],
             "description": "A PHPCS sniff to detect problems with variables.",
-            "time": "2020-10-07T23:32:29+00:00"
+            "support": {
+                "issues": "https://github.com/sirbrillig/phpcs-variable-analysis/issues",
+                "source": "https://github.com/sirbrillig/phpcs-variable-analysis",
+                "wiki": "https://github.com/sirbrillig/phpcs-variable-analysis/wiki"
+            },
+            "time": "2021-03-09T22:32:14+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
@@ -217,8 +380,156 @@
                 "phpcs",
                 "standards"
             ],
+            "support": {
+                "issues": "https://github.com/squizlabs/PHP_CodeSniffer/issues",
+                "source": "https://github.com/squizlabs/PHP_CodeSniffer",
+                "wiki": "https://github.com/squizlabs/PHP_CodeSniffer/wiki"
+            },
             "time": "2020-10-23T02:01:07+00:00"
         },
+        {
+            "name": "symfony/polyfill-php73",
+            "version": "v1.22.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php73.git",
+                "reference": "a678b42e92f86eca04b7fa4c0f6f19d097fb69e2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/a678b42e92f86eca04b7fa4c0f6f19d097fb69e2",
+                "reference": "a678b42e92f86eca04b7fa4c0f6f19d097fb69e2",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.22-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php73\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php73/tree/v1.22.1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-01-07T16:49:33+00:00"
+        },
+        {
+            "name": "szepeviktor/phpstan-wordpress",
+            "version": "v0.7.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/szepeviktor/phpstan-wordpress.git",
+                "reference": "90cf3c6a225a633889b1b3a556816911f42de4f7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/szepeviktor/phpstan-wordpress/zipball/90cf3c6a225a633889b1b3a556816911f42de4f7",
+                "reference": "90cf3c6a225a633889b1b3a556816911f42de4f7",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0",
+                "php-stubs/wordpress-stubs": "^4.7 || ^5.0",
+                "phpstan/phpstan": "^0.12.26",
+                "symfony/polyfill-php73": "^1.12.0"
+            },
+            "require-dev": {
+                "composer/composer": "^1.8.6",
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7",
+                "php-parallel-lint/php-parallel-lint": "^1.1",
+                "phpstan/phpstan-strict-rules": "^0.12",
+                "szepeviktor/phpcs-psr-12-neutron-hybrid-ruleset": "^0.6"
+            },
+            "type": "phpstan-extension",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "extension.neon"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\WordPress\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "WordPress extensions for PHPStan",
+            "keywords": [
+                "PHPStan",
+                "code analyse",
+                "code analysis",
+                "static analysis",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/szepeviktor/phpstan-wordpress/issues",
+                "source": "https://github.com/szepeviktor/phpstan-wordpress/tree/v0.7.5"
+            },
+            "funding": [
+                {
+                    "url": "https://www.paypal.me/szepeviktor",
+                    "type": "custom"
+                }
+            ],
+            "time": "2021-03-19T21:23:23+00:00"
+        },
         {
             "name": "wp-coding-standards/wpcs",
             "version": "2.3.0",
@@ -263,6 +574,11 @@
                 "standards",
                 "wordpress"
             ],
+            "support": {
+                "issues": "https://github.com/WordPress/WordPress-Coding-Standards/issues",
+                "source": "https://github.com/WordPress/WordPress-Coding-Standards",
+                "wiki": "https://github.com/WordPress/WordPress-Coding-Standards/wiki"
+            },
             "time": "2020-05-13T23:57:56+00:00"
         }
     ],
@@ -271,10 +587,12 @@
     "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
+    "platform": {
+        "ext-json": "*"
+    },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "5.6.20"
+        "php": "7.1"
     },
-    "plugin-api-version": "1.1.0"
+    "plugin-api-version": "2.0.0"
 }
diff --git a/package.json b/package.json
index 5a8e66f2b..8860cf2ac 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,8 @@
     "deploy-assets": "grunt deploy-assets",
     "postinstall": "composer install",
     "readme": "composer readme",
-    "build:docs": "rm -rf docs && jsdoc -c hookdoc-conf.json php ui-definitions cloudinary.php"
+    "build:docs": "rm -rf docs && jsdoc -c hookdoc-conf.json php ui-definitions cloudinary.php",
+    "phpstan": "vendor/bin/phpstan analyze --memory-limit=-1"
   },
   "husky": {
     "hooks": {
diff --git a/php/class-connect.php b/php/class-connect.php
index 9c374f664..a1e15928a 100644
--- a/php/class-connect.php
+++ b/php/class-connect.php
@@ -692,7 +692,7 @@ public function upgrade_connection( $old_version ) {
 			if ( ! isset( $data['cloudinary_url'] ) || empty( $data['cloudinary_url'] ) ) {
 				return; // Not setup at all, abort upgrade.
 			}
-		} elseif ( version_compare( $old_version, '2.0.0', '<' ) ) {
+		} else {
 			// from V1 to V2.
 			$cld_url = get_option( self::META_KEYS['url'], null );
 			if ( empty( $cld_url ) ) {
diff --git a/php/class-rest-api.php b/php/class-rest-api.php
index 88b3a8ffe..6cb401832 100644
--- a/php/class-rest-api.php
+++ b/php/class-rest-api.php
@@ -14,6 +14,13 @@ class REST_API {
 
 	const BASE = 'cloudinary/v1';
 
+	/**
+	 * Holds the plugin instance.
+	 *
+	 * @var Plugin Instance of the global plugin.
+	 */
+	public $plugin;
+
 	/**
 	 * Plugin REST API endpoints.
 	 *
@@ -28,6 +35,8 @@ class REST_API {
 	 */
 	public function __construct( Plugin $plugin ) {
 		add_action( 'rest_api_init', array( $this, 'rest_api_init' ), PHP_INT_MAX );
+
+		$this->plugin = $plugin;
 	}
 
 	/**
diff --git a/php/connect/class-api.php b/php/connect/class-api.php
index cc66d1094..5dad468de 100644
--- a/php/connect/class-api.php
+++ b/php/connect/class-api.php
@@ -307,6 +307,7 @@ public function get_asset_details( $public_id, $type ) {
 	 * @return array|\WP_Error
 	 */
 	public function upload_large( $attachment_id, $args ) {
+		$result = array();
 		// Ensure we have the right file.
 		if ( empty( $args['file'] ) ) {
 			$args['file'] = get_attached_file( $attachment_id );
diff --git a/php/media/class-video.php b/php/media/class-video.php
index 9f23e2a04..d68f75793 100644
--- a/php/media/class-video.php
+++ b/php/media/class-video.php
@@ -216,10 +216,10 @@ public function admin_enqueue_scripts() {
 	 */
 	public function filter_video_block_render_block( $block_content, array $block ) {
 		if ( 'core/video' === $block['blockName'] ) {
-			remove_filter( 'render_block', array( $this, 'filter_video_block_render_block' ), 10, 2 );
+			remove_filter( 'render_block', array( $this, 'filter_video_block_render_block' ), 10 );
 
 			$filtered_block = $this->filter_video_block_pre_render( $block, $block );
-			$block_content = render_block( $filtered_block );
+			$block_content  = render_block( $filtered_block );
 
 			add_filter( 'render_block', array( $this, 'filter_video_block_render_block' ), 10, 2 );
 		}
diff --git a/php/templates/connection-string.php b/php/templates/connection-string.php
index a8c817c00..363b6afe2 100644
--- a/php/templates/connection-string.php
+++ b/php/templates/connection-string.php
@@ -11,7 +11,8 @@
 <p>
 	<?php
 	printf(
-		wp_kses_post( 'After creating your %s:', 'cloudinary' ),
+		// translators: Link to create a Cloudinary account.
+		wp_kses_post( __( 'After creating your %s:', 'cloudinary' ) ),
 		sprintf(
 			// translators: Link to create a Cloudinary account.
 			esc_html__( '%1$sCloudinary account%2$s', 'cloudinary' ),
diff --git a/php/ui/component/class-react.php b/php/ui/component/class-react.php
index 93da6adbe..81b374969 100644
--- a/php/ui/component/class-react.php
+++ b/php/ui/component/class-react.php
@@ -7,9 +7,6 @@
 
 namespace Cloudinary\UI\Component;
 
-use Cloudinary\Media\Gallery;
-use function Cloudinary\get_plugin_instance;
-
 /**
  * Frame Component to render components only.
  *
@@ -79,7 +76,7 @@ protected function scripts( $struct ) {
 				'ver'       => $this->setting->get_root_setting()->get_param( 'version' ),
 				'in_footer' => true,
 			);
-			$this->script = wp_parse_args( $this->setting->get_param( 'script' ), $script_default );
+			$this->script   = wp_parse_args( $this->setting->get_param( 'script' ), $script_default );
 		}
 
 		return $struct;
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 3bff13338..64e262a1a 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -33,4 +33,5 @@
 	<exclude-pattern>/node_modules/</exclude-pattern>
 	<exclude-pattern>/vendor/</exclude-pattern>
 	<exclude-pattern>/build/</exclude-pattern>
+	<exclude-pattern>.phpstan/</exclude-pattern>
 </ruleset>
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 000000000..0aeafe4da
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,21 @@
+parameters:
+    level: 1
+    tmpDir: phpstan
+    paths:
+        - cloudinary.php
+        - instance.php
+        - php
+        - ui-definitions
+    bootstrapFiles:
+        - .phpstan/class-aliases.php
+        - .phpstan/constants.php
+        - .phpstan/functions.php
+    ignoreErrors:
+        - '~WP_CLI~'
+        - '~stop_the_insanity~'
+        - '~^Function apply_filters(_ref_array)? invoked with [34567] parameters, 2 required\.$~'
+        -
+            message: '~^Variable \$this might not be defined.$~'
+            paths:
+                - 'php/templates/*'
+                - 'ui-definitions/*'