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Code Issues Releases Wiki Activity

Merge pull request #4605 from javiexin/ticket/14943

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[ticket/14943] Fix template loop access by index
This commit is contained in:
Marc Alexander
2017-02-23 22:21:16 +01:00
parent 4c3ddea09f d2ad751851
commit 9267235f30
2 changed files with 170 additions and 32 deletions
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69
phpBB/phpbb/template/context.php
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@@ -376,45 +376,49 @@ class context
public function alter_block_array($blockname, array $vararray, $key = false, $mode = 'insert')
{
$this->num_rows_is_set = false;
if (strpos($blockname, '.') !== false)
// For nested block, $blockcount > 0, for top-level block, $blockcount == 0
$blocks = explode('.', $blockname);
$blockcount = sizeof($blocks) - 1;
$block = &$this->tpldata;
for ($i = 0; $i < $blockcount; $i++)
{
// Nested block.
$blocks = explode('.', $blockname);
$blockcount = sizeof($blocks) - 1;
$block = &$this->tpldata;
for ($i = 0; $i < $blockcount; $i++)
if (($pos = strpos($blocks[$i], '[')) !== false)
{
if (($pos = strpos($blocks[$i], '[')) !== false)
{
$name = substr($blocks[$i], 0, $pos);
$name = substr($blocks[$i], 0, $pos);
if (strpos($blocks[$i], '[]') === $pos)
{
$index = sizeof($block[$name]) - 1;
}
else
{
$index = min((int) substr($blocks[$i], $pos + 1, -1), sizeof($block[$name]) - 1);
}
if (strpos($blocks[$i], '[]') === $pos)
{
$index = sizeof($block[$name]) - 1;
}
else
{
$name = $blocks[$i];
$index = sizeof($block[$name]) - 1;
$index = min((int) substr($blocks[$i], $pos + 1, -1), sizeof($block[$name]) - 1);
}
$block = &$block[$name];
$block = &$block[$index];
}
else
{
$name = $blocks[$i];
$index = sizeof($block[$name]) - 1;
}
$block = &$block[$name];
$block = &$block[$index];
}
$name = $blocks[$i];
$block = &$block[$blocks[$i]]; // Traverse the last block
}
else
// If last block does not exist and we are inserting, and not searching for key, we create it empty; otherwise, nothing to do
if (!isset($block[$name]))
{
// Top-level block.
$block = &$this->tpldata[$blockname];
if ($mode != 'insert' || is_array($key))
{
return false;
}
$block[$name] = array();
}
$block = &$block[$name]; // Now we can traverse the last block
// Change key to zero (change first position) if false and to last position if true
if ($key === false || $key === true)
{
@@ -454,14 +458,15 @@ class context
unset($block[($key - 1)]['S_LAST_ROW']);
$vararray['S_LAST_ROW'] = true;
}
else if ($key === 0)
if ($key <= 0)
{
$key = 0;
unset($block[0]['S_FIRST_ROW']);
$vararray['S_FIRST_ROW'] = true;
}
// Assign S_BLOCK_NAME
$vararray['S_BLOCK_NAME'] = $blockname;
$vararray['S_BLOCK_NAME'] = $name;
// Re-position template blocks
for ($i = sizeof($block); $i > $key; $i--)
@@ -481,6 +486,12 @@ class context
// Which block to change?
if ($mode == 'change')
{
// If key is out of bounds, do not change anything
if ($key > sizeof($block) || $key < 0)
{
return false;
}
if ($key == sizeof($block))
{
$key--;