Some time you just need to see what variables are available in an array in Smarty. In PHP this is usually done using “print_r($foo)” where $foo is your array. But in smarty this is done using the following method.

{$foo|@print_r}

When you use this command I recommend placing open and closing pre tags around the command to ensure the output is formatted in a readable format.

The @ tells smarty to pass the entire array to the modifier rather than calling the modifier for each element of the array. Smarty also ships with a modifier that does similar to print_r(): {$foo|@debug_print_var}. You may also consider smarty’s debug facility (which you can enable in-template by inserting a {debug} tag or you can enable by configuring the Smarty object appropriately — see the docs for more info)