Initial revision

include/util.php

@@ -0,0 +1,174 @@
+<?php
+
+$dbcon = null;
+$dbref = 0;
+
+function opendb()
+{
+    global $apidb_dbuser, $apidb_dbpass, $apidb_dbhost, $apidb_db;
+    global $dbcon, $dbref;
+
+    $dbref++;
+
+    if($dbcon)
+	return $dbcon;
+
+    $dbcon = mysql_connect($apidb_dbhost, $apidb_dbuser, $apidb_dbpass);
+    if(!$dbcon) 
+	{
+	    echo "An error occurred: ".mysql_error()."<p>\n";
+	    exit;
+	}
+    mysql_select_db($apidb_db);
+    return $dbcon;
+}
+
+function closedb()
+{
+    global $dbcon, $dbref;
+
+    if(--$dbref)
+	return;
+
+    mysql_close($dbcon);
+}
+
+function querydb($query)
+{
+	$result = mysql_query($query);
+	if(!$result)
+	{
+		echo "<br><font color=green> $query </font> <br><br>\n";
+		echo "<font color=red>A QUERY error occurred:</font> ".
+			"<font color=blue>".mysql_error()."</font><p>\n";
+	}
+	return $result;
+}
+
+function mysql_field_is_null($result, $row, $field)
+{
+	if(mysql_result($result, $row, $field) == null)
+		return 1;
+	return 0;
+}
+
+
+function read_string($filename)
+{
+    return join("", file($filename));
+}
+
+
+function build_urlarg($vars)
+{
+	$arr = array();
+	while(list($key, $val) = each($vars))
+	    {
+		if(is_array($val))
+		    {
+			while(list($idx, $value) = each($val))
+			    {
+				//echo "Encoding $key / $value<br>";
+				$arr[] = rawurlencode($key."[]")."=".rawurlencode($value);
+			    }
+		    }
+		else
+		    $arr[] = $key."=".rawurlencode($val);
+	    }
+	return implode("&", $arr);
+}
+
+
+function add_option_menu($options, $label, $id)
+{
+	echo "<form action='project.php' method='get'>\n";
+	echo "<select name='prj_id'>\n";
+	while(list($idx, $val) = each($options))
+		     echo "<option>$val</option>\n";
+	echo "</select>\n";
+	echo "<input type='submit' value='$label'>\n";
+	echo "</form> <br>\n";
+}
+
+
+/*
+ * return all keys of a mapping as an array
+ */
+function keys($arr)
+{
+    $res = array();
+    while(list($k, $v) = each($arr))
+        $res[] = $k;
+    return $res;
+}
+
+/*
+ * return all values of a mapping as an array
+ */
+function values($arr)
+{
+    $res = array();
+    while(list($k, $v) = each($arr))
+        $res[] = $v;
+    return $res;
+}
+
+
+/*
+ * format date
+ */
+function makedate($time)
+{
+    return date("F d, Y  H:i:s", $time);
+}
+
+
+function get_remote()
+{
+    global $REMOTE_HOST, $REMOTE_ADDR;
+
+    if($REMOTE_HOST)
+	$ip = $REMOTE_HOST;
+    else
+	$ip = $REMOTE_ADDR;
+
+    return $ip;
+}
+
+function htmlify_urls($text)
+{
+    //FIXME: wonder what the syntax is, this doesn't seem to work
+    //    $text = strip_tags($text, "<a>,<b>,<i>,<ul>,<li>");
+
+    // html-ify urls
+    $urlreg = "([a-zA-Z]+://([^\t\r\n ]+))";
+    $text = ereg_replace($urlreg, "<a href=\"\\1\"> \\2 </a>", $text);
+
+    $emailreg = "([a-zA-Z0-9_%+.-]+@[^\t\r\n ]+)";
+    $text = ereg_replace($emailreg, " <a href='mailto:\\1'>\\1</a>", $text);
+
+    $text = str_replace("\n", "<br>", $text);
+
+    return $text;
+}
+
+// open file and display contents of selected tag
+function get_xml_tag ($file, $mode = null)
+{
+    if ($mode and file_exists($file))
+    {
+        $fp = @fopen($file, "r");
+	$data = fread($fp, filesize($file));
+	@fclose($fp);
+	if (eregi("<" . $mode . ">(.*)</" . $mode . ">", $data, $out))
+	{
+	    return $out[1];
+	}
+    }
+    else
+    {
+        return null;
+    }
+}
+
+?>