本文整理汇总了PHP中is_image_file函数的典型用法代码示例。如果您正苦于以下问题：PHP is_image_file函数的具体用法？PHP is_image_file怎么用？PHP is_image_file使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了is_image_file函数的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: index
public function index()
{
if (isset($_POST['editsubmit'])) {
$group['name'] = h(t($_POST['name']));
$group['intro'] = h(t($_POST['intro']));
$group['cid0'] = intval($_POST['cid0']);
// intval($_POST['cid1']) > 0 && $group['cid1'] = intval($_POST['cid1']);
$cid1 = D('Category')->_digCateNew($_POST);
intval($cid1) > 0 && ($group['cid1'] = intval($cid1));
if (!$group['name']) {
$this->error('群组名称不能为空');
} else {
if (get_str_length($group['name']) > 30) {
$this->error('群组名称不能超过30个字');
}
}
if (D('Category')->getField('id', 'name=' . $group['name'])) {
$this->error('请选择群分类');
}
if (get_str_length($group['intro']) > 200) {
$this->error('群组简介请不要超过200个字');
}
// if (!preg_replace("/[,\s]*/i", '', $_POST['tags']) || count(array_filter(explode(',', $_POST['tags']))) > 5) {
// $this->error('标签不能为空或者不要超过5个');
// }
if ($_FILES['logo']['size'] > 0 && is_image_file($_FILES['logo']['name'])) {
// 群组LOGO
$options['allow_exts'] = 'jpg,gif,png,jpeg,bmp';
$options['max_size'] = 2 * 1024 * 1024;
$options['attach_type'] = 'group_logo';
$data['upload_type'] = 'image';
$info = model('Attach')->upload($data, $options);
if ($info['status']) {
$group['logo'] = $info['info'][0]['save_path'] . $info['info'][0]['save_name'];
}
}
$res = $this->group->where('id=' . $this->gid)->save($group);
if ($res !== false) {
D('Log')->writeLog($this->gid, $this->mid, '修改群组基本信息', 'setting');
/* // 更新群组标签
D('GroupTag')->setGroupTag($_POST['tags'], $this->gid); */
$this->assign('jumUrl', U('group/Manage/index', array('gid' => $this->gid)));
$this->success('保存成功');
}
$this->error('保存失败');
}
//dump($this->groupinfo['tags']);exit;
// 群组标签
// foreach ($this->groupinfo['tags'] as $v) {
// $_group_tags[] = $v['name'];
// }
// $this->assign('group_tags', implode(',', $_group_tags));
// $this->assign('reTags', D('GroupTag')->getHotTags('recommend'));
$this->assign('current', 'basic');
$this->display();
}示例2: view_files
function view_files($filename, $refname)
{
global $viewer, $diff;
if (is_image_file($filename)) {
echo "View: {$refname} {$filename}\n";
system("{$viewer} {$refname} {$filename}");
} else {
# Text file
echo "===== Compare: {$refname} {$filename}\n";
system("{$diff} {$refname} {$filename}");
echo "=====\n";
}
}示例3: list_items
function list_items($limit = null, $offset = 0, $col = 'name', $order = 'asc')
{
$CI =& get_instance();
$CI->load->helper('array');
$CI->load->helper('convert');
if (!isset($this->filters['group_id'])) {
return array();
}
$group_id = $this->filters['group_id'];
if (strpos($group_id, '/') !== FALSE) {
$this->filters['group_id'] = uri_safe_encode($group_id);
// to pass the current folder
} else {
$group_id = uri_safe_decode($group_id);
}
$asset_dir = $this->get_dir($group_id);
$assets_path = $CI->asset->assets_server_path . $asset_dir . DIRECTORY_SEPARATOR;
$tmpfiles = directory_to_array($assets_path, TRUE, $CI->config->item('assets_excluded_dirs', 'fuel'), FALSE);
$files = get_dir_file_info($assets_path, TRUE);
$cnt = count($tmpfiles);
$return = array();
$asset_type_path = WEB_PATH . $CI->config->item('assets_path') . $asset_dir . '/';
//for ($i = $offset; $i < $cnt - 1; $i++)
for ($i = 0; $i < $cnt; $i++) {
if (!empty($tmpfiles[$i]) && !empty($files[$tmpfiles[$i]])) {
$key = $tmpfiles[$i];
if (empty($this->filters['name']) || !empty($this->filters['name']) && (strpos($files[$key]['name'], $this->filters['name']) !== FALSE || strpos($key, $this->filters['name']) !== FALSE)) {
$file['id'] = uri_safe_encode(assets_server_to_web_path($files[$tmpfiles[$i]]['server_path'], TRUE));
//$file['filename'] = $files[$key]['name'];
$file['name'] = $key;
$file['last_updated'] = english_date($files[$key]['date'], true);
$file['preview/kb'] = $files[$key]['size'];
$file['link'] = NULL;
$return[] = $file;
}
}
}
$return = array_sorter($return, $col, $order, TRUE);
$return = array_slice($return, $offset, $limit);
// after sorting add the images
foreach ($return as $key => $val) {
if (is_image_file($return[$key]['name'])) {
$return[$key]['preview/kb'] = $return[$key]['preview/kb'] . ' kb <div class="img_crop"><a href="' . $asset_type_path . $return[$key]['name'] . '" target="_blank"><img src="' . $asset_type_path . $return[$key]['name'] . '" border="0"></a></div>';
$return[$key]['link'] = '<a href="' . $asset_type_path . $return[$key]['name'] . '" target="_blank">' . $asset_dir . '/' . $return[$key]['name'] . '</a>';
} else {
$return[$key]['preview/kb'] = $return[$key]['preview/kb'];
$return[$key]['link'] = '<a href="' . $asset_type_path . $return[$key]['name'] . '" target="_blank">' . $asset_dir . '/' . $return[$key]['name'] . '</a>';
}
}
return $return;
}示例4: pieform_element_filebrowser_upload
function pieform_element_filebrowser_upload(Pieform $form, $element, $data)
{
global $USER;
$parentfolder = $data['uploadfolder'] ? (int) $data['uploadfolder'] : null;
$institution = !empty($element['institution']) ? $element['institution'] : $form->get_property('institution');
$group = !empty($element['group']) ? $element['group'] : $form->get_property('group');
if (get_config('licensemetadata')) {
$license = $data['license'];
$licensor = $data['licensor'];
$licensorurl = $data['licensorurl'];
}
$uploadnumber = (int) $data['uploadnumber'];
$editable = (int) $element['config']['edit'];
$selectable = (int) $element['config']['select'];
$querybase = $element['page'] . (strpos($element['page'], '?') === false ? '?' : '&');
$prefix = $form->get_name() . '_' . $element['name'];
$userfileindex = isset($data['userfileindex']) ? $data['userfileindex'] : null;
$resizeonuploadenable = get_config_plugin('artefact', 'file', 'resizeonuploadenable');
$resizeonuploaduseroption = get_config_plugin('artefact', 'file', 'resizeonuploaduseroption');
$resizeonuploaduserenable = (int) $data['resizeonuploaduserenable'];
$result = array('error' => false, 'uploadnumber' => $uploadnumber);
if ($parentfolder == 0) {
$parentfolder = null;
}
$data = new StdClass();
$data->parent = $parentfolder;
$data->owner = $data->group = $data->institution = null;
if (get_config('licensemetadata')) {
$data->license = $license;
$data->licensor = $licensor;
$data->licensorurl = $licensorurl;
}
if ($parentfolder) {
$parentartefact = artefact_instance_from_id($parentfolder);
if (!$USER->can_edit_artefact($parentartefact)) {
$result['error'] = true;
$result['message'] = get_string('cannoteditfolder', 'artefact.file');
return $result;
} else {
if ($parentartefact->get('locked')) {
$result['error'] = true;
$result['message'] = get_string('cannoteditfoldersubmitted', 'artefact.file');
return $result;
}
}
$parentfoldername = $parentartefact->get('title');
} else {
$parentfoldername = null;
}
if ($institution) {
if (!$USER->can_edit_institution($institution)) {
$result['error'] = true;
$result['message'] = get_string('notadminforinstitution', 'admin');
return $result;
}
$data->institution = $institution;
} else {
if ($group) {
if (!group_within_edit_window($group)) {
return array('error' => true, 'message' => get_string('cannoteditfolder', 'artefact.file'));
}
if (!$parentfolder) {
if (!pieform_element_filebrowser_edit_group_folder($group, 0)) {
return array('error' => true, 'message' => get_string('cannoteditfolder', 'artefact.file'));
}
}
$data->group = $group;
} else {
$data->owner = $USER->get('id');
}
}
$data->container = 0;
if (isset($userfileindex)) {
$originalname = $_FILES['userfile']['name'][$userfileindex];
} else {
$originalname = $_FILES['userfile']['name'];
}
$originalname = $originalname ? basename($originalname) : get_string('file', 'artefact.file');
$data->title = ArtefactTypeFileBase::get_new_file_title($originalname, $parentfolder, $data->owner, $group, $institution);
// Overwrite image file with resized version if required
$resized = false;
$resizeattempted = false;
// resize specified if (resizing is enabled AND user has enabled resizing) OR (resizing is enabled AND user is not given an option to enable/disable)
if ($resizeonuploadenable && $resizeonuploaduserenable || $resizeonuploadenable && !$resizeonuploaduseroption) {
require_once 'file.php';
require_once 'imageresizer.php';
$file = $_FILES['userfile'];
if (isset($userfileindex)) {
$tmpname = $file['tmp_name'][$userfileindex];
} else {
$tmpname = $file['tmp_name'];
}
if (is_image_file($tmpname)) {
$imageinfo = getimagesize($tmpname);
$mimetype = $imageinfo['mime'];
$width = $imageinfo[0];
$height = $imageinfo[1];
$bmptypes = array('image/bmp', 'image/x-bmp', 'image/ms-bmp', 'image/x-ms-bmp');
// resize image if necessary
$resizeonuploadmaxwidth = get_config_plugin('artefact', 'file', 'resizeonuploadmaxwidth');
//.........这里部分代码省略.........
示例5: related_items
/**
* Displays the most recently uplloaded
*
* @access public
* @param array View variable data (optional)
* @return mixed Can be an array of items or a string value
*/
public function related_items($params)
{
$CI =& get_instance();
$uploaded_post = $CI->session->flashdata('uploaded_post');
if (!empty($uploaded_post['uploaded_file_webpath'])) {
$img = '';
foreach ($uploaded_post['uploaded_file_webpath'] as $uploaded_image) {
if (is_image_file($uploaded_image)) {
$img .= '<a href="' . $uploaded_image . '" target="_blank"><img src="' . $uploaded_image . '?c=' . time() . '" alt="" style="max-width: 100%;" /></a>';
}
}
return $img;
}
return '';
}示例6: parameters
//.........这里部分代码省略.........
if ($this->dir_filetype($asset_dir)) {
$params['allowed_types'] = $this->dir_filetype($asset_dir);
} else {
if ($this->dir_filetype($default_asset_dir)) {
$params['allowed_types'] = $this->dir_filetype($default_asset_dir);
$asset_dir = $default_asset_dir;
} else {
$params['allowed_types'] = 'jpg|jpeg|png|gif';
$asset_dir = $default_asset_dir;
}
}
// set the upload path
if (empty($params['upload_path'])) {
$params['upload_path'] = !empty($params[$field_name . '_path']) ? $params[$field_name . '_path'] : assets_server_path() . $asset_dir . '/';
}
$params['remove_spaces'] = TRUE;
// make directory if it doesn't exist and subfolder creation is allowed'
if (!is_dir($params['upload_path']) and $this->fuel->config('assets_allow_subfolder_creation')) {
// will recursively create folder
@mkdir($params['upload_path'], 0777, TRUE);
if (!file_exists($params['upload_path'])) {
$this->_add_error(lang('upload_not_writable'));
} else {
chmodr($params['upload_path'], 0777);
}
}
// set file name
if (!$posted_filename) {
if ($has_empty_filename and !empty($params[$field_name . '_file_name'])) {
$params['file_name'] = $params[$field_name . '_file_name'];
} else {
if ($has_empty_filename) {
$file_name = pathinfo($file['name'], PATHINFO_FILENAME);
$params['file_name'] = url_title($file_name, 'underscore', FALSE);
}
}
}
// set overwrite
$params['overwrite'] = is_true_val($params['overwrite']);
if (is_image_file($params['file_name']) and !empty($params['xss_clean'])) {
$tmp_file = file_get_contents($file['tmp_name']);
if (xss_clean($tmp_file, TRUE) === FALSE) {
$this->_add_error(lang('upload_invalid_filetype'));
}
}
// if errors, then we simply return FALSE at this point and don't continue any further processing'
if ($this->has_errors()) {
return FALSE;
}
// UPLOAD!!!
$this->CI->upload->initialize($params);
if (!$this->CI->upload->do_upload($key)) {
$this->_add_error($this->CI->upload->display_errors('', ''));
} else {
$this->_data[$key] = $this->CI->upload->data();
// set the file perm if necessary
if ($this->fuel->config('set_upload_file_perms') !== FALSE and function_exists('chmod') and is_integer($this->fuel->config('set_upload_file_perms'))) {
chmod($this->_data[$key]['full_path'], $this->fuel->config('set_upload_file_perms'));
}
}
}
}
// set maintain ration if it is set to maintain_ratio
if (!empty($params['resize_method']) and $params['resize_method'] == 'maintain_ratio') {
$params['maintain_ratio'] = TRUE;
}
// now loop through the uploaded files to do any further image processing
foreach ($this->_data as $file) {
if (is_image_file($file['file_name']) and (isset($params['create_thumb']) or isset($params['maintain_ratio']) or !empty($params['width']) or !empty($params['height']) or !empty($params['master_dim']) or !empty($params['resize_and_crop']) or !empty($params['resize_method']))) {
$params['source_image'] = $file['full_path'];
// cast
$params['maintain_ratio'] = (bool) $params['maintain_ratio'];
// to fix issues with resize and crop
if (empty($params['create_thumb'])) {
$params['thumb_marker'] = '';
}
$this->CI->image_lib->initialize($params);
// check for if they want just a resize or a resize AND crop
if (!empty($params['resize_and_crop']) or !empty($params['resize_method']) and $params['resize_method'] == 'resize_and_crop') {
$resize = $this->CI->image_lib->resize_and_crop();
} else {
$resize = $this->CI->image_lib->resize();
}
if (!$resize) {
$this->_add_error($this->CI->image_lib->display_errors());
}
} else {
if (is_true_val($params['unzip']) and $file['file_ext'] == '.zip') {
// unzip the contents
$this->unzip($file['full_path']);
// then delete the zip file
$this->delete($file['full_path']);
}
}
}
if ($this->has_errors()) {
return FALSE;
}
return TRUE;
}示例7: new_file
/**
* Test file type and return a new Image or File.
*/
public static function new_file($path, $data)
{
require_once 'file.php';
if (is_image_file($path)) {
// If it's detected as an image, overwrite the browser mime type
$imageinfo = getimagesize($path);
$data->filetype = $imageinfo['mime'];
$data->width = $imageinfo[0];
$data->height = $imageinfo[1];
return new ArtefactTypeImage(0, $data);
}
return new ArtefactTypeFile(0, $data);
}示例8: new_file
/**
* Test file type and return a new Image or File.
*/
public static function new_file($path, $data)
{
require_once 'file.php';
if (is_image_file($path)) {
// If it's detected as an image, overwrite the browser mime type
$imageinfo = getimagesize($path);
$data->filetype = $imageinfo['mime'];
$data->width = $imageinfo[0];
$data->height = $imageinfo[1];
return new ArtefactTypeImage(0, $data);
}
$data->guess = file_mime_type($path, "foo.{$data->oldextension}");
// The guessed mimetype tends to be more accurate than what the browser tells us.
// Use the guess, unless it failed to find a match.
// But if it failed to find a match *and* there is no browser-supplied mimetype,
// then just use the guess.
if ($data->guess != 'application/octet-stream' || empty($data->filetype)) {
$data->filetype = $data->guess;
}
foreach (array('video', 'audio', 'archive') as $artefacttype) {
$classname = 'ArtefactType' . ucfirst($artefacttype);
if (call_user_func_array(array($classname, 'is_valid_file'), array($path, &$data))) {
return new $classname(0, $data);
}
}
return new ArtefactTypeFile(0, $data);
}示例9: on_after_post
function on_after_post($values)
{
if (empty($values['userfile_path'])) return;
// process any uploaded images files that have been specified
foreach($_FILES as $file)
{
if (is_image_file($file['name']) AND
(!empty($values['userfile_create_thumb']) OR
!empty($values['userfile_maintain_ratio']) OR
!empty($values['userfile_width']) OR
!empty($values['userfile_height'])))
{
$CI =& get_instance();
$CI->load->library('image_lib');
$config['source_image'] = $values['userfile_path'].$file['name'];
$config['create_thumb'] = $values['userfile_create_thumb'];
$config['maintain_ratio'] = $values['userfile_maintain_ratio'];
if (!empty($values['userfile_width'])) $config['width'] = $values['userfile_width'];
if (!empty($values['userfile_height'])) $config['height'] = $values['userfile_height'];
if (!empty($values['userfile_master_dim'])) $config['master_dim'] = $values['userfile_master_dim'];
$this->image_lib->initialize($config);
if ( ! $CI->image_lib->resize())
{
$error = $CI->image_lib->display_errors();
$CI->validator->catch_error($error);
}
}
}
}示例10: doEditEvent
/**
* doEditEvent
* 修改活动
* @access public
* @return void
*/
public function doEditEvent()
{
$id['id'] = intval($_POST['id']);
//判断作者
if (!CheckAuthorPermission(D('Event'), $id['id'])) {
$this->error('对不起，您没有权限进行该操作');
}
$id['optsId'] = intval($_POST['optsId']);
$map['title'] = t($_POST['title']);
$map['address'] = t($_POST['address']);
$map['limitCount'] = intval(t($_POST['limitCount']));
$map['type'] = ',' . trim($_POST['type'], ',') . ',';
$map['explain'] = preg_replace('/class="[0-9a-zA-Z_\\-]+"/', '', h($_POST['content']));
$map['contact'] = t($_POST['contact']);
$map['deadline'] = $deadline = $this->_paramDate($_POST['deadline']);
$map['sTime'] = $stime = $this->_paramDate($_POST['sTime']);
$map['eTime'] = $etime = $this->_paramDate($_POST['eTime']);
$map['evob'] = intval(t($_POST['evob']));
$map['implement_type'] = intval(t($_POST['implement_type'])) ? intval(t($_POST['implement_type'])) : 1;
if (!t($_POST['title'])) {
$this->error("活动标题不能为空");
}
if ($map['implement_type'] == 2 && !t($_POST['address'])) {
$this->error("活动地址不能为空");
}
/*
if(intval($_POST['type']) == 0){
$this->error("请选择活动分类");
}
*/
if ($stime > $etime) {
$this->error("结束时间不得早于开始时间");
}
if ($deadline > $etime) {
$this->error("报名截止时间不能晚于结束时间");
}
//$string=iconv("UTF-8","GBK", t($map['explain']));
$length = strlen($map['explain']);
if ($length < 20) {
$this->error('活动介绍不得小于20个字符');
}
//处理省份，市，区
//list( $opts['province'],$opts['city'],$opts['area'] ) = explode( " ",safe($_POST['city']));
//得到上传的图片
$config = event_getConfig();
$options['userId'] = $this->mid;
$options['max_size'] = $config['photo_max_size'];
$options['allow_exts'] = $config['photo_file_ext'];
if (!empty($_FILES['cover']['tmp_name'])) {
if (!is_image_file($_FILES['cover']['name'])) {
$this->error("封面不是图片文件");
exit;
}
$data['attach_type'] = 'event';
$data['upload_type'] = 'image';
$cover = model('attach')->upload($data);
}
//处理选项
$opts['cost'] = intval($_POST['cost']);
$opts['costExplain'] = t($_POST['costExplain']);
$friend = isset($_POST['friend']) ? 1 : 0;
$allow = isset($_POST['allow']) ? 1 : 0;
$opts['opts'] = array('friend' => $friend, 'allow' => $allow);
if ($this->event->doEditEvent($map, $opts, $cover, $id)) {
// $this->assign('jumpUrl',U('//eventDetail',array('id'=>$id['id'],'uid'=>$this->mid)));
// $this->success($this->appName.'修改成功！');
$res['id'] = intval($_POST['id']);
$res['uid'] = $this->mid;
return $this->ajaxReturn($res, $this->appName . '保存成功', 1);
} else {
$this->error($this->appName . '修改失败');
}
}示例11: asset
/**
* Creates an asset select/upload field
*
* @access public
* @param array Fields parameters
* @return string
*/
public function asset($params)
{
$this->CI->load->helper('file');
$this->CI->load->helper('html');
$form_builder =& $params['instance'];
if (empty($params['folder'])) {
$params['folder'] = 'images';
}
$asset_class = '';
if (!isset($params['select']) or isset($params['select']) and $params['select'] !== FALSE) {
$asset_class .= ' asset_select';
}
if (!isset($params['upload']) or isset($params['upload']) and $params['upload'] !== FALSE) {
$asset_class .= ' asset_upload';
}
$asset_class .= ' ' . $params['folder'];
$params['class'] = !empty($params['class']) ? $params['class'] . ' ' . $asset_class : $asset_class;
// set the image preview containing class
if (empty($params['img_container_styles'])) {
$params['img_container_styles'] = 'overflow: auto; height: 200px; width: 400px; margin-top: 5px;';
}
// set the styles specific to the image
if (!isset($params['img_styles'])) {
$params['img_styles'] = 'float: left; width: 100px;';
}
// folders and intended contents
$editable_filetypes = $this->fuel->config('editable_asset_filetypes');
// set data parameters so that we can use them with the JS
// set multiple and separator data attributes so can be used by javascript
if (!isset($params['multiple'])) {
$multiple = !empty($params['multiple']) or strpos($params['value'], ',') !== FALSE;
} else {
$multiple = $params['multiple'];
}
// set the separator based on if it is multiple lines or just a single line
$separator = (isset($params['multiline']) and $params['multiline'] === TRUE) ? "\n" : ', ';
$params['data'] = array('multiple' => $multiple, 'separator' => $separator, 'folder' => $params['folder']);
if (!empty($params['value'])) {
if (is_string($params['value'])) {
// unserialize if it is a serialized string
if (is_json_str($params['value'])) {
$assets = json_decode($params['value'], TRUE);
//$assets = unserialize($params['value']);
} else {
if ($multiple) {
// create assoc array with key being the image and the value being either the image name again or the caption
$assets = preg_split('#\\s*,\\s*|\\n#', $params['value']);
} else {
$assets = array($params['value']);
}
}
$preview_str = '';
// loop through all the assets and concatenate them
foreach ($assets as $asset) {
if (!empty($asset)) {
$asset_path = '';
foreach ($editable_filetypes as $folder => $regex) {
if (!is_http_path($asset)) {
if (preg_match('#' . $regex . '#i', $asset)) {
$path = trim($params['folder'], '/') . '/' . $asset;
$asset_path = assets_path($path);
break;
}
} else {
$asset_path = $asset;
}
}
if (!empty($asset_path)) {
$preview_str .= '<a href="' . $asset_path . '" target="_blank">';
if (isset($params['is_image']) or !isset($params['is_image']) and is_image_file($asset)) {
$preview_str .= '<img src="' . $asset_path . '" style="' . $params['img_styles'] . '"/>';
} else {
$preview_str .= $asset;
}
$preview_str .= '</a>';
}
}
}
}
$preview = '';
if (!empty($preview_str)) {
$img_container_styles = $params['img_container_styles'];
if ($multiple == FALSE and !empty($params['img_styles'])) {
$img_container_styles = $params['img_styles'];
}
$preview = '<br /><div class="noclone" style="' . $img_container_styles . '">';
$preview .= $preview_str;
$preview .= '</div><div class="clear"></div>';
}
$params['after_html'] = $preview;
}
$params['type'] = '';
if ($multiple) {
//.........这里部分代码省略.........
示例12: file
/**
* Creates a file upload field but has the option to allow multiple fields
*
* @access public
* @param array Fields parameters
* @return string
*/
public function file($params)
{
$this->CI->load->helper('file');
$form_builder =& $params['instance'];
$file_params = $params;
if (!empty($params['multiple'])) {
$file_params['class'] = 'multifile ' . $params['class'];
}
$file_params['name'] = str_replace(array('[', ']', '__'), array('_', '', '_'), $params['name']);
$file_params['id'] = $file_params['name'] . '_upload';
$str = '';
$preview = '';
$asset_folder = '';
if (!isset($params['display_preview']) or $params['display_preview'] === TRUE) {
// set the image preview containing class
if (empty($params['img_container_styles'])) {
$params['img_container_styles'] = 'overflow: auto; height: 200px; width: 400px; margin-top: 5px;';
}
// set the styles specific to the image
if (!isset($params['img_styles'])) {
$params['img_styles'] = 'float: left; width: 100px;';
}
if (empty($params['value'])) {
$params['value'] = '';
}
if (isset($params['folder']) or isset($params['upload_path'])) {
if (isset($params['folder'])) {
$asset_folder = trim($params['folder'], '/') . '/';
$asset_path = $asset_folder . $params['value'];
$asset_path = assets_path($asset_path);
} else {
$asset_folder = assets_server_to_web_path($params['upload_path']) . '/';
$asset_path = $asset_folder . $params['value'];
}
if (!empty($params['replace_values'])) {
foreach ($params['replace_values'] as $key => $val) {
if (is_string($val)) {
$asset_path = str_replace('{' . $key . '}', $val, $asset_path);
$asset_folder = str_replace('{' . $key . '}', $val, $asset_folder);
}
}
}
}
$preview = '';
if (!empty($asset_path) and !empty($params['value'])) {
$preview .= ' ';
$preview .= '<div class="asset_upload_preview deletable noclone"><a href="#' . $params['key'] . '" class="asset_delete"></a><a href="' . $asset_path . '" target="_blank">';
if (isset($params['is_image']) or !isset($params['is_image']) and is_image_file($asset_path)) {
$preview .= '<br><img src="' . $asset_path . '" style="' . $params['img_styles'] . '" class="img_bg">';
} else {
$preview .= $asset_path;
}
$preview .= '</a>';
}
}
$params['after_html'] = $preview;
$str .= $form_builder->create_file($file_params);
if (!empty($params['display_input'])) {
$params['data'] = array('folder' => $asset_folder);
$asset_class = '';
if (!isset($params['select']) or isset($params['select']) and $params['select'] !== FALSE) {
$asset_class = 'asset_select';
}
$params['class'] = !empty($params['class']) ? $params['class'] . ' ' . $asset_class : $asset_class;
$params['type'] = '';
$str .= '<br><br>' . $form_builder->create_field($params);
} else {
$params['type'] = 'hidden';
$str .= $form_builder->create_field($params);
}
// add image altering hidden field values
$additional_params = array('create_thumb', 'thumb_marker', 'maintain_ratio', 'master_dim', 'width', 'height', 'resize_and_crop', 'remove_spaces', 'resize_method');
foreach ($additional_params as $p) {
if (isset($params[$p])) {
$str .= $this->CI->form->hidden($file_params['name'] . '_' . $p, $params[$p], 'class="noclear"');
}
}
return $str;
}示例13: is_image
function is_image($string)
{
return file_exists("{$string}") && is_image_file($string) ? true : false;
}