Guard scripts from being run in non-CLI contexts

Author: nicolas-grekas

Resources/bin/extract-tentative-return-types.php

@@ -10,6 +10,10 @@
  * file that was distributed with this source code.
  */
 
+if ('cli' !== \PHP_SAPI) {
+    throw new Exception('This script must be run from the command line.');
+}
+
 // Run from the root of the php-src repository, this script generates
 // a table with all the methods that have a tentative return type.
 //

Resources/bin/patch-type-declarations

@@ -10,6 +10,10 @@
  * file that was distributed with this source code.
  */
 
+if ('cli' !== \PHP_SAPI) {
+    throw new Exception('This script must be run from the command line.');
+}
+
 if (\in_array('-h', $argv) || \in_array('--help', $argv)) {
     echo implode(PHP_EOL, [
         ' Patches type declarations based on "@return" PHPDoc and triggers deprecations for',