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[ticket/14943] Fix template loop access by index

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Allows inserting elements in a loop specified as 'outer[3].inner'.
This was coded, but malfunctioning.  Name incorrectly set on insert.
If block was empty, the insertion process should create it.
Checking for out of bounds indexes.

PHPBB3-14943
This commit is contained in:
javiexin 2017-01-12 21:25:39 +01:00
parent 76b3fbc006
commit d2ad751851
1 changed files with 39 additions and 30 deletions
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31
phpBB/phpbb/template/context.php
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@ -293,9 +293,8 @@ class context
public function alter_block_array($blockname, array $vararray, $key = false, $mode = 'insert')
{
$this->num_rows_is_set = false;
if (strpos($blockname, '.') !== false)
{
// Nested block.
// For nested block, $blockcount > 0, for top-level block, $blockcount == 0
$blocks = explode('.', $blockname);
$blockcount = sizeof($blocks) - 1;
@ -323,16 +322,19 @@ class context
$block = &$block[$name];
$block = &$block[$index];
}
$block = &$block[$blocks[$i]]; // Traverse the last block
$name = $blocks[$i];
}
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];
$name = $blockname;
if ($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 || $key === true)
@ -373,8 +375,9 @@ class context
unset($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']);
$vararray['S_FIRST_ROW'] = true;
}
@ -400,6 +403,12 @@ class context
// Which block to change?
if ($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--;