Add substr operation to view alter for fields

+++ b/handlers/views_handler_field.incundefined
@@ -395,6 +395,9 @@ class views_handler_field extends views_handler {
+        'substr' => array('default' => FALSE),

Needs 'bool' => TRUE

In general this patch looks fine!

+++ b/handlers/views_handler_field.incundefined
@@ -395,6 +395,9 @@ class views_handler_field extends views_handler {
+        'substr_start' => array('default' => ''),

What about using 0 as default value, so it is a bit clearer what to input here.

+++ b/handlers/views_handler_field.incundefined
@@ -1154,6 +1184,15 @@ If you would like to have the characters \'[\' and \']\' please use the html ent
+    if (!empty($this->options['alter']['substr'])) {
+      if ($alter['substr_length'] === '') {
+        $value = substr($value, $alter['substr_start']);
+      }
+      else {
+        $value = substr($value, $alter['substr_start'], $alter['substr_length']);
+      }

Why not use drupal_substr here

This issue is old and this functionality is never committed... maybe it is considered too specific to be included into main views module.

Is it possible for it to become new tiny views contrib module maybe?

And D8 version would be nice as well. :)

The 6 year old patch in #6 to views_handler_field.inc does not apply to the latest views 7.x-3.x-dev.

Checking patch handlers/views_handler_field.inc...
error: while searching for:
        'target' => array('default' => '', 'translatable' => TRUE),
        'nl2br' => array('default' => FALSE, 'bool' => TRUE),
        'max_length' => array('default' => ''),
        'word_boundary' => array('default' => TRUE, 'bool' => TRUE),
        'ellipsis' => array('default' => TRUE, 'bool' => TRUE),
        'more_link' => array('default' => FALSE, 'bool' => TRUE),

error: patch failed: handlers/views_handler_field.inc:413
error: handlers/views_handler_field.inc: patch does not apply

Patch rerolled.