/**
* Smarty plugin to print all template vars similar to print_r in a <pre> block.
* Uses webasyst library helpers. Does not work outside of WA framework without further adjustments.
*
* Type: function<br>
* Name: wa_template_vars<br>
* Purpose: Print all template vars similar to print_r in a <pre> block.<br>
* @param array
* @param Smarty
* @return string
*/
function smarty_function_wa_tpl_vars($params, &$smarty)
{
$str = '<div style="overflow: auto; min-width: 500px; height: 400px;"><pre>' . "\n\n";
$str .= wa_print_r_helper($smarty->getTemplateVars());
// $smarty->tpl_vars
$str .= "\n\n</pre></div>";
return $str;
}
/** Helper function. More human-readable print_r(). */
function wa_print_r_helper($value, $level = 0)
{
if ($level > 9) {
// Being paranoid
return 'Too big level of nesting';
}
if (!is_array($value) && !is_object($value)) {
if ($value === true) {
return 'TRUE';
} else {
if ($value === false) {
return 'FALSE';
} else {
if ($value === null) {
return 'NULL';
}
}
}
return htmlspecialchars($value);
}
$br = "\n";
// line break with tabs
for ($i = 0; $i < $level; $i++) {
$br .= "\t";
}
if (is_object($value)) {
// Skip huge core objects
$class = get_class($value);
do {
if (in_array($class, array('Smarty'))) {
return get_class($value) . " Object (skipped as a descendant of {$class})";
}
} while ($class = get_parent_class($class));
$str = get_class($value) . ' Object' . $br . '{';
} else {
$str = 'Array' . $br . '(';
}
foreach ($value as $key => $val) {
$str .= $br . "\t" . $key . ' => ' . wa_print_r_helper($val, $level + 1);
}
$str .= is_array($value) ? $br . ')' : $br . '}';
return $str;
}
