Warning!
This is obsolete, you do this inserting information in the database and creating the function in a separate file. Ask on gitter.
with global variables.
The next code adds a substring function and should suffice to show how to add more functions. Please share if you create any.
Index: modules/com_vtiger_workflow/expression_engine/VTExpressionsManager.inc
===================================================================
--- modules/com_vtiger_workflow/expression_engine/VTExpressionsManager.inc (revisión: 938)
+++ modules/com_vtiger_workflow/expression_engine/VTExpressionsManager.inc (revisión: 939)
@@ -41,7 +41,7 @@
function expressionFunctions() {
return array('concat' => 'concat(a,b)', 'time_diffdays' => 'time_diffdays(a,b)', 'time_diff' => 'time_diff(a,b)',
'add_days' => 'add_days(datefield, noofdays)', 'sub_days' => 'sub_days(datefield, noofdays)',
- 'get_date' => "get_date('today')");
+ 'get_date' => "get_date('today')", 'substring' => "substring(stringfield,start,end)");
}
}
Index: modules/com_vtiger_workflow/expression_engine/VTExpressionEvaluater.inc
===================================================================
--- modules/com_vtiger_workflow/expression_engine/VTExpressionEvaluater.inc (revisión: 938)
+++ modules/com_vtiger_workflow/expression_engine/VTExpressionEvaluater.inc (revisión: 939)
@@ -144,6 +144,15 @@
}
}
+function __vt_substring($arr) {
+ if (count($arr)<2 or count($arr)>3) return $arr[0];
+ if (count($arr)==2) {
+ return substr($arr[0],$arr[1]);
+ } else {
+ return substr($arr[0],$arr[1],$arr[2]);
+ }
+}
+
/** END * */
class VTFieldExpressionEvaluater{
function __construct($expr){
@@ -165,7 +174,8 @@
'time_diffdays' => '__vt_time_diffdays',
'add_days' => '__vt_add_days',
'sub_days' => '__vt_sub_days',
- 'get_date' => '__vt_get_date'
+ 'get_date' => '__vt_get_date',
+ 'substring' => '__vt_substring'
);
$this->operations = array_merge($this->functions, $this->operators);