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authorPhil Sturgeon <email@philsturgeon.co.uk>2011-07-23 00:11:34 +0200
committerPhil Sturgeon <email@philsturgeon.co.uk>2011-07-23 00:11:34 +0200
commit8731f641de823fcdcb8b2a2fa6034fca8fe4a164 (patch)
tree50b89af87337c124aeac2b670bf7175cf01c19c1
parent909105135439ac2ade75a99922f77c038e882fee (diff)
Added ->load->get_var() to check against ->load->_ci_cached_vars[].
-rw-r--r--system/core/Loader.php15
-rw-r--r--user_guide/changelog.html1
-rw-r--r--user_guide/libraries/loader.html6
3 files changed, 22 insertions, 0 deletions
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 721c196cc..7c8b298ac 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -389,6 +389,21 @@ class CI_Loader {
// --------------------------------------------------------------------
/**
+ * Get Variable
+ *
+ * Check if a variable is set and retrieve it.
+ *
+ * @param array
+ * @return void
+ */
+ public function get_var($key)
+ {
+ return isset($this->_ci_cached_vars[$key]) ? $this->_ci_cached_vars[$key] : NULL;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Load Helper
*
* This function loads the specified helper file.
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index e289879a2..fe5a67dde 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -90,6 +90,7 @@ Change Log
<li class="reactor">Added <kbd>is_unique</kbd> to the <a href="libraries/form_validation.html">Form Validation library</a>.</li>
<li class="reactor">Added <kbd>$this->db->set_dbprefix()</kbd> to the <a href="database/queries.html">Database Driver</a>.</li>
<li class="reactor">Changed <kbd>$this->cart->insert()</kbd> in the <a href="libraries/cart.html">Cart Library</a> to return the Row ID if a single item was inserted successfully.</li>
+ <li class="reactor">Added <kbd>$this->load->get_var()</kbd> to the <a href="libraries/loader.html">Loader library</a> to retrieve global vars set with <kbd>$this->load->view()</kbd> and <kbd>$this->load->vars()</kbd>.</li>
</ul>
</li>
</ul>
diff --git a/user_guide/libraries/loader.html b/user_guide/libraries/loader.html
index 1d93af5ed..a472730ca 100644
--- a/user_guide/libraries/loader.html
+++ b/user_guide/libraries/loader.html
@@ -175,6 +175,12 @@ and merged into one array for conversion to variables.
</p>
+<h2>$this->load->get_var(<samp>$key</samp>)</h2>
+
+<p>This function checks the associative array of variables available to your views. This is useful if for any reason a var is set in a library or another controller method using $this->load->vars().
+</p>
+
+
<h2>$this->load->helper('<var>file_name</var>')</h2>
<p>This function loads helper files, where <var>file_name</var> is the name of the file, without the <kbd>_helper.php</kbd> extension.</p>