Static forms in TextPattern: txplib_misc.php

<?php

...

function fetch_form($name)
{
	static $forms = array();

	if (isset($forms[$name]))
		$f = $forms[$name];
	else {
	  
	  $row = @file_get_contents(txpath.'/../templates/forms/'.doSlash($name).'.php');
		if (!$row) { 
		  $row = safe_row('Form', 'txp_form',"name='".doSlash($name)."'");
			if (!$row) {
				trigger_error(gTxt('form_not_found').': '.$name);
				return;
			}
			$f = $row['Form'];
			$forms[$name] = $f;
		} else {
		  $f = $row;
		  $forms[$name] = $row;
		}
	}

	trace_add('['.gTxt('form').': '.$name.']');
	return $f;
}

...

?>