first import

sites/all/modules/ctools/plugins/access/php.inc

@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * @file
+ * Plugin to provide access control based on evaluated PHP.
+ */
+
+/**
+ * Plugins are described by creating a $plugin array which will be used
+ * by the system that includes this file.
+ */
+$plugin = array(
+  'title' => t("PHP Code"),
+  'description' => t('Control access through arbitrary PHP code.'),
+  'callback' => 'ctools_php_ctools_access_check',
+  'default' => array('description' => '', 'php' => ''),
+  'settings form' => 'ctools_php_ctools_access_settings',
+  'summary' => 'ctools_php_ctools_access_summary',
+  'all contexts' => TRUE,
+);
+
+/**
+ * Settings form for the 'by perm' access plugin
+ *
+ * @todo Need a way to provide a list of all available contexts to be used by
+ *       the eval-ed PHP.
+ */
+function ctools_php_ctools_access_settings($form, &$form_state, $conf) {
+  $perms = array();
+
+  $form['settings']['description'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Administrative desc'),
+    '#default_value' => $conf['description'],
+    '#description' => t('A description for this test for administrative purposes.'),
+  );
+  $form['settings']['php'] = array(
+    '#type' => 'textarea',
+    '#title' => t('PHP Code'),
+    '#default_value' => $conf['php'],
+    '#description' =>  t('Access will be granted if the following PHP code returns <code>TRUE</code>. Do not include &lt;?php ?&gt;. Note that executing incorrect PHP-code can break your Drupal site. All contexts will be available in the <em>$contexts</em> variable.'),
+  );
+  if (!user_access('use PHP for settings')) {
+    $form['settings']['php']['#disabled'] = TRUE;
+    $form['settings']['php']['#value'] = $conf['php'];
+    $form['settings']['php']['#description'] .= ' ' . t('You do not have sufficient permissions to edit PHP code.');
+  }
+  return $form;
+}
+
+/**
+ * Check for access.
+ */
+function ctools_php_ctools_access_check($__conf, $contexts) {
+  $access = eval($__conf['php']);
+  return $access;
+}
+
+/**
+ * Provide a summary description based upon the checked roles.
+ */
+function ctools_php_ctools_access_summary($conf, $contexts) {
+  return !empty($conf['description']) ? check_plain($conf['description']) : t('No description');
+}