/**
* @param TokenCollection $parameters
* @return TokenString
* @throws \Exception
*/
public function call(TokenCollection $parameters)
{
$numParams = $parameters->count();
$isRegExpr = \false;
if ($numParams < 1) {
$search = '';
} else {
$search = $parameters->current()->getValue();
$isRegExpr = $parameters->current() instanceof TokenRegex;
}
if ($numParams < 2) {
$replace = 'undefined';
} else {
$parameters->next();
$replace = $parameters->current()->getValue();
}
if ($isRegExpr) {
list($expression, $modifiers) = $this->splitRegex($search);
$modifiers = str_replace('g', '', $modifiers, $count);
$limit = $count > 0 ? -1 : 1;
$value = preg_replace($expression . $modifiers, $replace, $this->token->getValue(), $limit);
} else {
$value = str_replace($search, $replace, $this->token->getValue());
}
return new TokenString($value, $this->token->getOffset(), $this->token->getStack());
}
/**
* @param TokenCollection $parameters
* @return TokenString
*/
public function call(TokenCollection $parameters)
{
$params = [];
if ($parameters->count() < 1) {
$params[] = 0;
} else {
$params[] = (int) $parameters->current()->getValue();
}
if ($parameters->count() >= 2) {
$parameters->next();
$params[] = (int) $parameters->current()->getValue();
}
$value = call_user_func_array('substr', array_merge([$this->token->getValue()], $params));
return new TokenString((string) $value, $this->token->getOffset(), $this->token->getStack());
}
/**
* @param TokenCollection $parameters
* @return Tokens\TokenArray
*/
public function call(TokenCollection $parameters)
{
$separator = $parameters->current();
if (!$separator || !is_string($separator->getValue())) {
$newValue = [$this->token->getValue()];
} else {
$params = [$separator->getValue(), $this->token->getValue()];
if ($parameters->count() >= 2) {
$parameters->next();
$params[] = (int) $parameters->current()->getValue();
}
if ($separator instanceof Tokens\TokenRegex) {
$func = 'preg_split';
} else {
$func = 'explode';
}
$newValue = call_user_func_array($func, $params);
}
return new Tokens\TokenArray($newValue, $this->token->getOffset(), $this->token->getStack());
}
