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<?php
/**
* BDThemes Shortcode Ultimate
*
* @package Shortcode Ultimate Joomla 3.0
* @subpackage BDThemes Schortcodes
* @copyright Copyright (C) 2011-2014 BDThemes Ltd. All rights reserved.
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU/GPL
* @author BDThemes
* @author url http://bdthemes.com
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die;
/*
* get intro image from an article, if indtro image is not exist, return first image from article
* @params Object article object
* @return indtro image url
*/
function su_get_post_thumbnail_id($post){
$images = $post->images;
if($images) {
$images = json_decode($images);
if($images->image_intro){
return $images->image_intro;
};
}
return su_get_first_img($post->introtext);
}
/*
* get fulltex image from an article, if not exist, return intro image, if both do not exist, return first image from article
* @params Object article object
* @return indtro image url
*/
function su_get_post_image($post, $internal = false) {
if (isset($post->images)) {
$images = $post->images;
if($images) {
$images = json_decode($images);
if($images->image_fulltext){
return $images->image_fulltext;
}
elseif($images->image_intro) {
return $images->image_intro;
};
}
} elseif($internal) {
return su_get_first_img($post->introtext);
} else {
return false;
}
}
function su_all_images($post) {
$images = array();
preg_match_all('/(img|src)\=(\"|\')[^\"\'\>]+/i', $post, $media);
unset($post);
$post=preg_replace('/(img|src)(\"|\'|\=\"|\=\')(.*)/i',"$3",$media[0]);
foreach($post as $url)
{
$info = pathinfo($url);
if (isset($info['extension'])) {
if (($info['extension'] == 'jpg') || ($info['extension'] == 'jpeg') || ($info['extension'] == 'gif') || ($info['extension'] == 'png'))
array_push($images, $url);
} else {
return false;
}
}
return $images;
}
/*
* get first image from html string and return
* @params String $html - html string that want to get image
* @return String $img - first image found
*/
function su_get_first_img($html){
$image = NULL;
$pos = strpos($html, "<img");
if($pos){
$img = substr($html, $pos, 300);
$img = explode("src=", $img);
$img = str_replace("'",'"',$img[1]);
$img = explode('"',$img);
$image = $img[1];
}
return $image;
}
function su_parse_args( $args, $defaults = '' ) {
if ( is_object( $args ) )
$r = get_object_vars( $args );
elseif ( is_array( $args ) )
$r =& $args;
if ( is_array( $defaults ) )
return array_merge( $defaults, $r );
return $r;
}
function su_esc_attr($attr){
return $attr;
}
function su_get_option($arg) {
return $arg;
}
function su_sanitize_key( $key ) {
$raw_key = $key;
$key = strtolower( $key );
$key = preg_replace( '/[^a-z0-9_\-]/', '', $key );
return $key;
}
function su_sanitize_text_field($attr) {
return $attr;
}
function su_strip_all_tags($string, $remove_breaks = false) {
$string = preg_replace('@<(script|style)[^>]*?>.*?</\\1>@si', '', $string);
$string = strip_tags($string);
if ($remove_breaks)
$string = preg_replace('/[\r\n\t ]+/', ' ', $string);
return trim( $string );
}