FIX: Add safety to php validation grep (line 1193)

Added || true to validate_php_ini() grep to safely handle set -o pipefail.
When PHP validates successfully (no errors), grep returns 1, which would
cause script exit. Now handled gracefully.

modules/performance/php-optimizer.sh

@@ -1189,8 +1189,9 @@ validate_php_ini() {
         return 1
     fi
 
-    # Use php -i to check for syntax errors (basic validation)
-    php -d "display_errors=0" -r "return 0;" 2>&1 | grep -q "Parse error\|Fatal error" && return 1
+    # Use php to check for syntax errors (basic validation)
+    # Add || true to handle grep returning 1 with set -o pipefail
+    php -d "display_errors=0" -r "return 0;" 2>&1 | grep -q "Parse error\|Fatal error" && return 1 || true
 
     return 0
 }