modules/abssrc/abssrc.module

<?php
function abssrc_menu(){
  $items = array();
  $items['admin/settings/abssrc'] = array(
    'title' => 'Absolute src',
    'description' => 'Settings of absolute image src.',
    'access arguments' => array('administer site configuration'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('abssrc_admin_settings'),
  );

  return $items;
}
function abssrc_admin_settings(){
  $form = array();
  $form['abssrc_enabled'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable absolute src of img'),
    '#default_value' => variable_get('abssrc_enabled',0),
    '#description' => t('Check to enable parse images in node body to absolute src.'),
  );
  $form['abssrc_custom'] = array(
    '#type' => 'textfield',
    '#title' => t('Custom prefix url'),
    '#default_value' => variable_get('abssrc_custom', ''),
    '#description' => t('Leave blank to use site wide url, or you can fill in url include http protocol (no trilling slash). ex: http://sample.com '),
  );
  
  return system_settings_form($form);
}
function abssrc_nodeapi(&$node, $op, $teaser = TRUE, $page = FALSE){
  global $base_url, $base_path;
  if($op == 'view' && variable_get('abssrc_enabled', 0)){
    $url = variable_get('abssrc_custom', '') ? rtrim(variable_get('abssrc_custom', ''),'/') : $base_url;
    $pattern = array(
      "/".preg_quote('src="'.$base_path,'/')."/i",
      "/".preg_quote('href="'.$base_path,'/')."/i",
    );
    $replace = array(
      'src="'.$url.$base_path,
      'href="'.$url.$base_path,
    );
    $node->content['body']['#value'] = preg_replace($pattern, $replace, $node->content['body']['#value']);
    if($teaser){
      $node->teaser = $node->content['body']['#value'];
    }
    else{
      $node->body = $node->content['body']['#value'];
    }
  }
  
}
1	<?php
2	function abssrc_menu(){
3	$items = array();
4	$items['admin/settings/abssrc'] = array(
5	'title' => 'Absolute src',
6	'description' => 'Settings of absolute image src.',
7	'access arguments' => array('administer site configuration'),
8	'page callback' => 'drupal_get_form',
9	'page arguments' => array('abssrc_admin_settings'),
10	);
11
12	return $items;
13	}
14	function abssrc_admin_settings(){
15	$form = array();
16	$form['abssrc_enabled'] = array(
17	'#type' => 'checkbox',
18	'#title' => t('Enable absolute src of img'),
19	'#default_value' => variable_get('abssrc_enabled',0),
20	'#description' => t('Check to enable parse images in node body to absolute src.'),
21	);
22	$form['abssrc_custom'] = array(
23	'#type' => 'textfield',
24	'#title' => t('Custom prefix url'),
25	'#default_value' => variable_get('abssrc_custom', ''),
26	'#description' => t('Leave blank to use site wide url, or you can fill in url include http protocol (no trilling slash). ex: http://sample.com '),
27	);
28
29	return system_settings_form($form);
30	}
31	function abssrc_nodeapi(&$node, $op, $teaser = TRUE, $page = FALSE){
32	global $base_url, $base_path;
33	if($op == 'view' && variable_get('abssrc_enabled', 0)){
34	$url = variable_get('abssrc_custom', '') ? rtrim(variable_get('abssrc_custom', ''),'/') : $base_url;
35	$pattern = array(
36	"/".preg_quote('src="'.$base_path,'/')."/i",
37	"/".preg_quote('href="'.$base_path,'/')."/i",
38	);
39	$replace = array(
40	'src="'.$url.$base_path,
41	'href="'.$url.$base_path,
42	);
43	$node->content['body']['#value'] = preg_replace($pattern, $replace, $node->content['body']['#value']);
44	if($teaser){
45	$node->teaser = $node->content['body']['#value'];
46	}
47	else{
48	$node->body = $node->content['body']['#value'];
49	}
50	}
51
52	}