function for checking disabled php functions

packaged · Aug 21, 2014 · ba89e4d · ba89e4d
1 parent 594127f
commit ba89e4d
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Showing 2 changed files with 29 additions and 0 deletions.
diff --git a/src/System.php b/src/System.php
@@ -116,4 +116,16 @@ public static function findCommand($cmd)
 
     return self::$commandCache[$cmd];
   }
+
+  /**
+   * Check to see if a function has been disabled through php.ini
+   *
+   * @param string $function function name to verify
+   *
+   * @return bool
+   */
+  public static function isFunctionDisabled($function)
+  {
+    return in_array($function, explode(',', ini_get('disable_functions')));
+  }
 }
diff --git a/tests/SystemTest.php b/tests/SystemTest.php
@@ -78,4 +78,21 @@ public function testCommandFinder()
       \Packaged\Helpers\System::commandExists('madeupcommand2')
     );
   }
+
+  public function testDisabledFunctionCheck()
+  {
+    $verify = explode(',', ini_get('disable_functions'));
+    if(empty($verify))
+    {
+      ini_set('disable_functions', 'packaged_exec');
+      $verify = ['packaged_exec'];
+    }
+
+    foreach($verify as $check)
+    {
+      $this->assertTrue(\Packaged\Helpers\System::isFunctionDisabled($check));
+    }
+
+    $this->assertFalse(\Packaged\Helpers\System::isFunctionDisabled('echo'));
+  }
 }