Require PHP 7.4+

.github/workflows/continuous-integration.yml

@@ -17,8 +17,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.2"
-          - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
@@ -35,7 +33,7 @@ jobs:
           - "highest"
         include:
           - dependencies: "lowest"
-            php-version: "7.2"
+            php-version: "7.4"
             mongodb-version: "3.6"
             driver-version: "1.5.0"
             topology: "server"

.github/workflows/performance.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
     services:
       mongodb:

UPGRADE-2.5.md

@@ -0,0 +1,6 @@
+# UPGRADE FROM 2.4 to 2.5
+
+## PHP requirements
+
+* MongoDB ODM 2.5 requires PHP 7.4 or newer. If you're not running PHP 7.4 yet,
+  it's recommended that you upgrade to PHP 7.4 before upgrading ODM.

composer.json

@@ -22,7 +22,7 @@
         { "name": "Andreas Braun", "email": "[email protected]" }
     ],
     "require": {
-        "php": "^7.2 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "ext-mongodb": "^1.5",
         "doctrine/annotations": "^1.12",
         "doctrine/cache": "^1.11 || ^2.0",
@@ -45,7 +45,7 @@
         "phpbench/phpbench": "^1.0.0",
         "phpstan/phpstan": "^1.4.6",
         "phpstan/phpstan-phpunit": "^1.0",
-        "phpunit/phpunit": "^8.5 || ^9",
+        "phpunit/phpunit": "^9",
         "squizlabs/php_codesniffer": "^3.5",
         "symfony/cache": "^4.4 || ^5.0 || ^6.0",
         "vimeo/psalm": "^4.20.0"