Update to min. PHP 7.3

CHANGELOG_DEV.md

@@ -1,6 +1,8 @@
 1.9.0-beta.1 (Unreleased)
 ----------------------------
 
+At least version 7.3 is now required as the PHP version!
+
 - Enh #3733: Forbid to open AJAX actions as separate page
 - Enh #677: Allow to create new database and set database port on install
 - Fix #4877: Check for writable uploads/profile_image directory

composer.json

@@ -13,7 +13,7 @@
     },
     "minimum-stability": "stable",
     "require": {
-        "php": ">=7.2",
+        "php": ">=7.3",
         "ext-exif": "*",
         "ext-zip": "*",
         "ext-intl": "*",
@@ -24,7 +24,7 @@
         "jbroadway/urlify": "^1.0",
         "kartik-v/yii2-widgets": "*",
         "laminas/laminas-escaper": "^2.6",
-        "laminas/laminas-http": "^2.13",
+        "laminas/laminas-http": "^2.14",
         "laminas/laminas-ldap": "^2.10",
         "matthewbdaly/zendsearch": "^0.0.3",
         "mistic100/randomcolor": "^1.0",
@@ -104,7 +104,7 @@
         },
         "platform-check": false,
 	"platform": {
-	    "php": "7.2"
+	    "php": "7.3"
 	}
     },
     "scripts": {

protected/humhub/libs/SelfTest.php

@@ -44,12 +44,12 @@ class SelfTest
         // Checks PHP Version
         $title = 'PHP - Version - ' . PHP_VERSION;
 
-        if (version_compare(PHP_VERSION, '7.1', '>=')) {
+        if (version_compare(PHP_VERSION, '7.3', '>=')) {
             $checks[] = [
                 'title' => Yii::t('base', $title),
                 'state' => 'OK'
             ];
-        } elseif (version_compare(PHP_VERSION, '7.0', '>=')) {
+        } elseif (version_compare(PHP_VERSION, '7.2', '>=')) {
             $checks[] = [
                 'title' => Yii::t('base', $title),
                 'state' => 'WARNING',