Checks callback.
| public static checkCallback ( $callable ) : callable | ||
| return | callable | |
public function addMacro($name, $begin, $end = NULL, $attr = NULL, $flags = NULL)
{
if (!$begin && !$end && !$attr) {
throw new \InvalidArgumentException("At least one argument must be specified for macro '{$name}'.");
}
foreach ([$begin, $end, $attr] as $arg) {
if ($arg && !is_string($arg)) {
Latte\Helpers::checkCallback($arg);
}
}
$this->macros[$name] = [$begin, $end, $attr];
$this->compiler->addMacro($name, $this, $flags);
return $this;
}
/**
* {use class MacroSet}
*/
public function macroUse(MacroNode $node, PhpWriter $writer)
{
if ($node->modifiers) {
trigger_error("Modifiers are not allowed in {{$node->name}}", E_USER_WARNING);
}
call_user_func(Latte\Helpers::checkCallback(array($node->tokenizer->fetchWord(), 'install')), $this->getCompiler())->initialize();
}
/**
* {use class MacroSet}
*/
public function macroUse(MacroNode $node, PhpWriter $writer)
{
if ($node->modifiers) {
throw new CompileException("Modifiers are not allowed in {{$node->name}}");
}
call_user_func(Latte\Helpers::checkCallback([$node->tokenizer->fetchWord(), 'install']), $this->getCompiler())->initialize();
}
/**
* {use class MacroSet}
*/
public function macroUse(MacroNode $node, PhpWriter $writer)
{
call_user_func(Latte\Helpers::checkCallback(array($node->tokenizer->fetchWord(), 'install')), $this->getCompiler())->initialize();
}
/**
* {use class MacroSet}
*/
public function macroUse(MacroNode $node, PhpWriter $writer)
{
trigger_error('Macro {use} is deprecated.', E_USER_DEPRECATED);
if ($node->modifiers) {
throw new CompileException('Modifiers are not allowed in ' . $node->getNotation());
}
call_user_func(Helpers::checkCallback([$node->tokenizer->fetchWord(), 'install']), $this->getCompiler())->initialize();
}
private function prepareFilter($name)
{
if (!isset($this->_static[$name][1])) {
$callback = Helpers::checkCallback($this->_static[$name][0]);
if (is_string($callback) && strpos($callback, '::')) {
$callback = explode('::', $callback);
} elseif (is_object($callback)) {
$callback = [$callback, '__invoke'];
}
$ref = is_array($callback) ? new \ReflectionMethod($callback[0], $callback[1]) : new \ReflectionFunction($callback);
$this->_static[$name][1] = ($tmp = $ref->getParameters()) && $tmp[0]->getClass() && $tmp[0]->getClass()->getName() === 'Latte\\Runtime\\FilterInfo';
}
return $this->_static[$name];
}
