/**
* The public entry point, instances are used for internal context only.
*
* @param string $buffer the input string to process
*
* @param boolean $echoOk whether echo expressions are okay or not, defaults
* to true; an echo expression is something like ${=...} or @{=...}
*
* @param boolean $phpWrap whether to wrap final expressions in <?php ... ?>
* processing instruction blocks or not, defaults to true
*
* @return string the expanded result
*/
public static function expand($buffer, $echoOk = true, $phpWrap = true)
{
$expn = new self($echoOk, $phpWrap);
$buffer = $expn->stashExpressions($buffer);
$buffer = $expn->unstashExpressions($buffer);
return $buffer;
}
/**
* The public entry point, instances are used for internal context only.
*
* @param string $buffer the input string to process
*
* @param boolean $echoOk whether echo expressions are okay or not, defaults
* to true; an echo expression is something like ${=...} or @{=...}
*
* @param boolean $phpWrap whether to wrap final expressions in <?php ... ?>
* processing instruction blocks or not, defaults to true
*
* @return string the expanded result
*/
public static function expand($buffer, $echoOk = true, $phpWrap = true, $quote = false)
{
if ($quote) {
$echoOk = $phpWrap = false;
}
$expn = new self($echoOk, $phpWrap);
$buffer = $expn->stashExpressions($buffer);
if ($quote) {
$matches = array();
$n = preg_match_all("/(.*)(\\[\\[[0-9a-f]{40}\\]\\])/U", $buffer, $matches, PREG_OFFSET_CAPTURE);
if ($n) {
$b = '';
$last = null;
for ($i = 0; $i < $n; $i++) {
if (strlen($b)) {
$b .= " . ";
}
$str = $matches[1][$i][0];
if ($str) {
$b .= "'" . addslashes($str) . "'";
}
if (strlen($b)) {
$b .= " . ";
}
$last = $matches[2][$i];
$b .= $last[0];
$last = $last[1] + strlen($last[0]);
}
if (isset($last) && $last < strlen($buffer)) {
$b .= " . '" . addslashes(substr($buffer, $last)) . "'";
}
$buffer = $b;
}
}
$buffer = $expn->unstashExpressions($buffer);
return $buffer;
}
