First git push to github

2026-05-29 14:52:16 -04:00
commit 94bc6117f2
1576 changed files with 455304 additions and 0 deletions
@@ -0,0 +1,72 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation;
+
+class CalculationBase
+{
+    /**
+     * Get a list of all implemented functions as an array of function objects.
+     *
+     * @return array<string, array{category: string, functionCall: string|string[], argumentCount: string, passCellReference?: bool, passByReference?: bool[], custom?: bool}>
+     */
+    public static function getFunctions(): array
+    {
+        return FunctionArray::$phpSpreadsheetFunctions;
+    }
+
+    /**
+     * Get address of list of all implemented functions as an array of function objects.
+     *
+     * @return array<string, array<string, mixed>>
+     */
+    protected static function &getFunctionsAddress(): array
+    {
+        return FunctionArray::$phpSpreadsheetFunctions;
+    }
+
+    /**
+     * @param array{category: string, functionCall: string|string[], argumentCount: string, passCellReference?: bool, passByReference?: bool[], custom?: bool} $value
+     */
+    public static function addFunction(string $key, array $value): bool
+    {
+        $key = strtoupper($key);
+        if (
+            array_key_exists($key, FunctionArray::$phpSpreadsheetFunctions)
+            && !self::isDummy($key)
+        ) {
+            return false;
+        }
+        $value['custom'] = true;
+        FunctionArray::$phpSpreadsheetFunctions[$key] = $value;
+
+        return true;
+    }
+
+    private static function isDummy(string $key): bool
+    {
+        // key is already known to exist
+        $functionCall = FunctionArray::$phpSpreadsheetFunctions[$key]['functionCall'] ?? null;
+        if (!is_array($functionCall)) {
+            return false;
+        }
+        if (($functionCall[1] ?? '') !== 'DUMMY') {
+            return false;
+        }
+
+        return true;
+    }
+
+    public static function removeFunction(string $key): bool
+    {
+        $key = strtoupper($key);
+        if (array_key_exists($key, FunctionArray::$phpSpreadsheetFunctions)) {
+            if (FunctionArray::$phpSpreadsheetFunctions[$key]['custom'] ?? false) {
+                unset(FunctionArray::$phpSpreadsheetFunctions[$key]);
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+}