functions.php

easycms to learn easy php and see how to code in php and use mysql database requetes

<?php
/*------------------------------------------------------------------------------
	Reused functions
------------------------------------------------------------------------------*/
/*
	Function scramblemail($email)
	hides email from spambots
*/
function scramblemail($email){
	$mailstring='<a href="mailto:';
	for($i=0;$i<strlen($email);$i++){
		$scramble.="&#".ord($email{$i}).";";
	}
	$mailstring.="$scramble\">$scramble</a>";
	return $mailstring;
}

/*
	Function urlize($name)
	converts an item name into a url na,e
*/
function urlize($name){
	return strtolower(preg_replace("/[^\w\.]/","",$name));
}

/*
	Function load($file)
	reads the content of the file that you send and returns it
*/
function load($filelocation){
	if (file_exists($filelocation)){
		$newfile = fopen($filelocation,"r");
		$file_content = fread($newfile, filesize($filelocation));
		fclose($newfile);
		return $file_content;
		}
	}

/*
	Function save($file,$content)
	writes the content to the file and generates it if needed
*/
function save($filelocation,$newdatas){
	$newfile = @fopen($filelocation,"w+");
	@fwrite($newfile, $newdatas);
	@fclose($newfile);
	if($newfile!=""){$fileerror=0;}
	else {$fileerror=1;}
	return $fileerror;
	}

/*
	Function untag($string,$tag,mode){
	written by Chris Heilmann ([e-mail])
	filters the content of tag $tag from $string 
	when mode is 1 the content gets returned as an array
	otherwise as a string
*/
function untag($string,$tag,$mode){
	$tmpval="";
	$preg="/<".$tag.">(.*?)<\/".$tag.">/si";
	preg_match_all($preg,$string,$tags); 
	foreach ($tags[1] as $tmpcont){
		if ($mode==1){$tmpval[]=$tmpcont;}
		else {$tmpval.=$tmpcont;}
		}
	return $tmpval;
}
/*
	Function directory($directory,$filters)
	reads the content of $directory, takes the files that apply to $filter and returns an 
	array of the filenames.
	You can specify which files to read, for example
	$files = directory(".","jpg,gif");
		gets all jpg and gif files in this directory.
	$files = directory(".","all");
		gets all files.
*/	
function directory($dir,$filters){
	if (is_dir($dir)){
	$handle=opendir($dir);
	$files=array();
	if ($filters == "all"){while(($file = readdir($handle))!==false){$files[] = $file;}}
	if ($filters != "all"){
		$filters=explode(",",$filters);
		while (($file = readdir($handle))!==false) {
			for ($f=0;$f<sizeof($filters);$f++):
				$system=explode(".",$file);
				if ($system[1] == $filters[$f]){$files[] = $file;}
			endfor;
		}
	}
	closedir($handle);
	}
	return $files;
	}
function get_file_name($page){
	global $navigation;
	$mainitems=untag($navigation,"mainitem",1);
	$subitems=untag($navigation,"subitem",1);
	$meta=untag($navigation,"meta",1);
	$homedata=untag($navigation,"home",0);
	if ($page==untag($homedata,"link",0)){$file=untag($homedata,"url",0);}
	if ($meta[0]!=""){foreach ($meta as $m){if ($page==untag($m,"link",0)){$file=untag($m,"url",0);}}}
	foreach ($mainitems as $m){if ($page==untag($m,"link",0)){$file=untag($m,"url",0);}}
	if ($subitems[0]!=""){foreach ($subitems as $m){if ($page==untag($m,"sublink",0)){$file=untag($m,"suburl",0);}}}
	return $file;
}

function d($name=''){
	global $display;
	return untag($display,$name,0);
}
?>