What are potential issues when calling functions in templates using Smarty in PHP?

When calling functions in templates using Smarty in PHP, one potential issue is that the function may not be recognized or accessible within the template. To solve this, make sure to register the function with Smarty using the registerPlugin method before rendering the template. 

// Register the custom function with Smarty
$smarty->registerPlugin('function', 'customFunction', 'customFunction');

// Define the custom function
function customFunction($params, $smarty) {
    // Function logic here
    return 'Custom function output';
}

// Render the template
$smarty->display('template.tpl');

Keywords

Smarty PHP templates function calls errors

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