Revert "Remove check for ini_parse_quantity"

see symfony/polyfill#442 This reverts commit 76b16ba.
WoltLab · Aug 28, 2023 · 5d52de1 · 5d52de1
1 parent 1cdc3da
commit 5d52de1
Showing 1 changed file with 23 additions and 1 deletion.
diff --git a/wcfsetup/install/files/lib/util/FileUtil.class.php b/wcfsetup/install/files/lib/util/FileUtil.class.php
@@ -516,8 +516,30 @@ public static function getMemoryLimit(): int
             // no limit
             if ($memoryLimit == "-1") {
                 self::$memoryLimit = -1;
-            } else {
+            } else if (\function_exists('ini_parse_quantity')) {
                 self::$memoryLimit = \ini_parse_quantity($memoryLimit);
+            } else {
+                // completely numeric, PHP assumes byte
+                if (\is_numeric($memoryLimit)) {
+                    self::$memoryLimit = $memoryLimit;
+                }
+
+                // PHP supports 'K', 'M' and 'G' shorthand notation
+                if (\preg_match('~^(\d+)\s*([KMG])$~i', $memoryLimit, $matches)) {
+                    switch (\strtoupper($matches[2])) {
+                        case 'K':
+                            self::$memoryLimit = $matches[1] * 1024;
+                            break;
+
+                        case 'M':
+                            self::$memoryLimit = $matches[1] * 1024 * 1024;
+                            break;
+
+                        case 'G':
+                            self::$memoryLimit = $matches[1] * 1024 * 1024 * 1024;
+                            break;
+                    }
+                }
             }
         }