Add can_convert_to_integer and to_integer functions.

[platal.git] / include / platal.inc.php

diff --git a/include/platal.inc.php b/include/platal.inc.php
index 3ab3e2b..069a661 100644 (file)
--- a/include/platal.inc.php
+++ b/include/platal.inc.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2008 Polytechnique.org                              *
+ *  Copyright (C) 2003-2010 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -39,12 +39,19 @@ define('NO_HTTPS', 2);
 function pl_autoload($cls, array $pathes = array())
 {
     $cls  = strtolower($cls);
+    if (starts_with($cls, 'xdb')) {
+        $cls = 'xdb';
+    } else if (starts_with($cls, 'pldbtable')) {
+        $cls = 'pldbtableentry';
+    }
     $basepath = dirname(dirname(dirname(__FILE__)));
 
     array_unshift($pathes, 'core/classes', 'classes');
     foreach ($pathes as $path) {
-        if (@include_once "$basepath/$path/$cls.php") {
-            return true;
+        if (file_exists("$basepath/$path/$cls.php")) {
+            if (include_once "$basepath/$path/$cls.php") {
+                return true;
+            }
         }
     }
     return false;
@@ -89,11 +96,15 @@ function pl_error_handler($errno, $errstr, $errfile, $errline)
 
     $type = isset($errortype[$errno]) ? $errortype[$errno] : $errno;
     $errstr = utf8_encode(htmlentities($errstr));
-    $GLOBALS['pl_errors'][] =
-        "<div class='phperror'>".
-        "<strong>{$type}</strong> <em>$errstr</em><br />".
-        "<tt>$errfile : $errline</tt>".
-        "</div>";
+    if (php_sapi_name() == 'cli') {
+        $GLOBALS['pl_errors'] = "$type: $errstr\n  $errfile:$errline\n";
+    } else {
+        $GLOBALS['pl_errors'][] =
+            "<div class='phperror'>".
+            "<strong>{$type}</strong> <em>$errstr</em><br />".
+            "<tt>$errfile : $errline</tt>".
+            "</div>";
+    }
 }
 
 function pl_clear_errors()
@@ -176,5 +187,76 @@ function pl_entity_decode($text, $mode = ENT_COMPAT)
     return html_entity_decode($text, $mode, 'UTF-8');
 }
 
+function pl_flatten_aux(array &$dest, array $src)
+{
+    foreach ($src as $val) {
+        if (is_array($val)) {
+            pl_flatten_aux($dest, $val);
+        } else {
+            $dest[] = $val;
+        }
+    }
+}
+
+function pl_flatten(array $array)
+{
+    $res = array();
+    pl_flatten_aux($res, $array);
+    return $res;
+}
+
+/**
+ * Returns the path of a static content, including, when appropriate, the
+ * version number. This is used to avoid cross-version cache issues, by ensuiring
+ * that all static resources are served on a unique path.
+ */
+function pl_static_content_path($path, $filename)
+{
+    global $globals;
+    if (isset($globals) && isset($globals->version)) {
+        return $path . $globals->version . '/' . $filename;
+    } else {
+        return $path . $filename;
+    }
+}
+
+/**
+ * Adds content type headers; by default the encoding used is utf-8.
+ */
+function pl_content_headers($content_type, $encoding = 'utf-8')
+{
+    if (is_null($encoding)) {
+        header("Content-Type: $content_type");
+    } else {
+        header("Content-Type: $content_type; charset=$encoding");
+    }
+}
+
+/**
+ * Adds content type and caching headers for content generated by plat/al. The
+ * cache duration defaults to the global static_cache_duration. No encoding is
+ * applied by default.
+ */
+function pl_cached_content_headers($content_type, $encoding = null, $cache_duration = -1)
+{
+    global $globals;
+    $cache_duration = ($cache_duration < 0 ? $globals->static_cache_duration : $cache_duration);
+
+    header("Cache-Control: max-age=$cache_duration");
+    header("Expires: " . gmdate('D, d M Y H:i:s', time() + $cache_duration) . " GMT");
+    header("Pragma: ");
+    pl_content_headers($content_type, $encoding);
+}
+
+/**
+ * Same as above, but applying an expiration time suitable for cacheable dynamic
+ * content (eg. photos, logos, ...).
+ */
+function pl_cached_dynamic_content_headers($content_type, $encoding = null)
+{
+    global $globals;
+    pl_cached_content_headers($content_type, $encoding, $globals->dynamic_cache_duration);
+}
+
 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 ?>