initial commit
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Ben Ramey
150
production/php/functions/func_filesystem.php
Executable file
150
production/php/functions/func_filesystem.php
Executable file
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<?php
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#################################################################################
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# #
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# written by benjamin ramey #
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# bsr@rameydesign.net #
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# #
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# This file contains: #
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# Functions that perform various filesystem tasks such as removing #
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# unwanted types of files/folders from an array of files and folders #
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# in a folder #
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# #
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#################################################################################
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############################################# FUNCTION: filesys_get_folder_tree #
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# returns: html of folder tree
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# parameters: path to root folder
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function filesys_get_folder_tree($path)
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{
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global $_DOC_ROOT,$_SCRIPT_FOLDER;
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# variable that will hold all the HTML for the folder
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$folderhtml = '';
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# get folder contents in alphabetical order
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$folder_contents = scandir($path);
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# the url is used so that people can download/look at these files through
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# the browser, a doc_root path wouldn't work, of course
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$url = str_replace($_DOC_ROOT,"$_SCRIPT_FOLDER",$path);
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# one by one, set $element to a file or folder inside the passed folder
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foreach($folder_contents as $element)
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{
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# ignore current and parent folders
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if( ($element != '.') and ($element != '..') )
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{
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# make sure each is_dir call is not using cached information
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# from last is_dir check
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clearstatcache();
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# if $element is a folder, call this function recursively and
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# create HTML for this subfolder
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if( is_dir("$path/$element") )
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{
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$folderhtml .= "
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<div class='folder_name' id='${element}_name'
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onclick='ExpandFolder(this)'
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onmouseover='ChangeFolderNameBG(this,0)'
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onmouseout='ChangeFolderNameBG(this,1)'>
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+ $element
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</div>
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<div class='sub_folder' id='${element}_folder'>";
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$folderhtml .= filesys_get_folder_tree("$path/$element");
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$folderhtml .= "
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</div>\n\n";
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}
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else
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{
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# get the size of this file in kilobytes
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$file_size_kb = intval(filesize($path.'/'.$element) / 1024);
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$folderhtml .= "
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+ <a href='/$url/$element'>$element</a>
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($file_size_kb Kb)<br />\n";
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}
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}
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}
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return $folderhtml;
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}
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################################################ FUNCTION: filesys_dirs_present #
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# returns: true or false
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# parameters: path to directory to inspect, pattern to match directory name
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# against
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function filesys_dirs_present($path,$pattern = "/.*/")
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{
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# make sure the path passed here is really a directory we can't
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# check anything but a directory, since only directory will contain
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# other directories, duh
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$handle = is_dir($path) ? opendir($path) : NULL ;
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if(empty($handle))
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{ return(NULL); }
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# set through each child in this directory and see if the child
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# is directory but not the parent or current directory
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# readdir returns FALSE when no children are left to inspect
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while($child = readdir($handle) and $child !== false)
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{
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# make sure each is_dir call is not using cached information
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# from last is_dir check
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clearstatcache();
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# check if this child is directory and whether it
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# matches the user given pattern or not
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if(is_dir($path.'/'.$child)
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and ($child !== '..')
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and ($child !== '.')
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and (preg_match($pattern,$child)) )
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{
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# we can return true with the first matching folder we find
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# this is an OR operation
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return(true);
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}
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}
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# if we get here, no matching folders were found, so none exist
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# so we return false
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return(false);
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}
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######################################### FUNCTION: filesys_get_wanted_children #
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# returns: array of wanted dir children
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# parameters: 1) path to directory; 2) command to remove [files,folders]
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# 3) a pattern to match folder/file names against
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function filesys_get_wanted_children($path,$cmd,$pattern = "/.*/")
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{
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# the cmd can be passed as either all cap or not, so conform it
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# here to lower case
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$cmd = strtolower($cmd);
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# fill an array full of the directory children, but only, of course if
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# the passed path is really to a directory
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$children = is_dir($path) ? scandir($path) : NULL ;
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if(empty($children))
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{ return(NULL); }
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# remove the current and parent directories
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$children = preg_grep("/^\.{1,2}$/",$children,PREG_GREP_INVERT);
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# get only the children that match the pattern
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$children = preg_grep($pattern,$children);
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# if files are to be removed, remove them
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if($cmd == 'files')
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{
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foreach($children as $child)
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{
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if(!is_dir($path.'/'.$child))
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{ array_splice($children,array_search($child,$children),1); }
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}
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}
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# if folders are to be removed, remove them
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else if($cmd == 'folders')
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{
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foreach($children as $child)
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{
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if(is_dir($path.'/'.$child))
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{ array_splice($children,array_search($child,$children),1); }
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}
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}
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# return the array of directory children, free of the bad little ones
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return($children);
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}
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?>
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50
production/php/functions/func_images.php
Executable file
50
production/php/functions/func_images.php
Executable file
@@ -0,0 +1,50 @@
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<?php
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#################################################################################
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# #
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# written by benjamin ramey #
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# bsr@rameydesign.net #
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# #
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# This file contains: #
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# Functions that govern various images process, such at #
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# grabbing a random one from a give folder, etc #
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# #
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#################################################################################
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################################################### FUNCTION: images_get_random #
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function images_get_random($folders,$num = 1,$patt = "/.(jpg)|(JPG)/")
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{
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$images = array();
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$folder_info = array();
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$num_folders = count($folders);
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# get the pictures for each folder
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foreach($folders as $key => $value)
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{
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$folder_info[$key]['name'] = $value;
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$folder_info[$key]['pictures'] = filesys_get_wanted_children($value,'folders',$patt);
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}
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# get pictures until we have enough!
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for($k = 0; $k < $num; $k++)
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{
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$folder = $folder_info[array_rand($folder_info)];
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$image = $folder['pictures'][array_rand($folder['pictures'])];
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array_push($images,$folder['name'].'/'.$image);
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}
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return($images);
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}
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################################################# FUNCTION: images_print_strip #
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function images_print_strip($images,$absPath)
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{
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print "<div id='image-strip'>\n";
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foreach($images as $image)
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{
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$image = str_replace($absPath,'',$image);
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print "<img src='$image' />\n";
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}
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print "</div>";
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}
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?>
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