protected function walkForeach(ForeachNode $foreach)
{
$variableNames = array();
foreach ($foreach->getBody() as $statement) {
foreach ($this->walk($statement) as $name => $_) {
$variableNames[$name] = true;
}
}
if ($foreach->hasElseBody()) {
foreach ($foreach->getElseBody() as $statement) {
foreach ($this->walk($statement) as $name => $_) {
$variableNames[$name] = true;
}
}
}
return $variableNames;
}
protected function walkForeach(ForeachNode $foreach)
{
$exprSym = $this->gensym();
$ret = "";
$ret .= "{$exprSym} = " . $this->walk($foreach->getExpression()) . ";";
if ($foreach->hasElseBody()) {
$ret .= "{$exprSym}else = true;";
}
if ($foreach->hasName()) {
$name = $foreach->getName();
} else {
$name = $foreach->getValueVariableName();
}
$ret .= "\$smarty->foreach->{$name} = (object) array('index' => -1, 'iteration' => 0, 'first' => null, 'last' => null, 'total' => count({$exprSym}));";
$ret .= "foreach ({$exprSym} as ";
if ($foreach->getKeyVariableName()) {
$ret .= "\${$foreach->getKeyVariableName()} => ";
}
$ret .= "\${$foreach->getValueVariableName()}) {";
$ret .= "{$exprSym}else = false;";
$ret .= "++\$smarty->foreach->{$name}->index;";
$ret .= "++\$smarty->foreach->{$name}->iteration;";
$ret .= "\$smarty->foreach->{$name}->first = \$smarty->foreach->{$name}->index == 0;";
$ret .= "\$smarty->foreach->{$name}->last = \$smarty->foreach->{$name}->iteration == \$smarty->foreach->{$name}->total;";
$ret .= implode("", $this->walkEach((array) $foreach->getBody()));
$ret .= "}";
if ($foreach->hasElseBody()) {
$ret .= "if({$exprSym}else){" . implode("", $this->walkEach($foreach->getElseBody())) . "}";
}
return $ret;
}
protected function walkForeach(ForeachNode $foreach)
{
return new ForeachNode($foreach->getExpression(), $foreach->getName(), $foreach->getKeyVariableName(), $foreach->getValueVariableName(), $this->walkEach($foreach->getBody()), $foreach->hasElseBody() ? $this->walkEach($foreach->getElseBody()) : null);
}
protected function walkForeach(ForeachNode $foreach)
{
$this->walkEachDisallow($foreach->getBody(), "foreach");
$this->walkEachDisallow($foreach->getElseBody(), "foreachelse");
}