Call a function in a Lua global variable

# LuaSandbox::callFunction

(PECL luasandbox >= 1.0.0)

LuaSandbox::callFunction — Call a function in a Lua global variable

### Description

public LuaSandbox::callFunction(string `$name`, mixed `...$args`): array|bool

Calls a function in a Lua global variable.

If the name contains "." characters, the function is located via recursive table accesses, as if the name were a Lua expression.

If the variable does not exist, or is not a function, false will be returned and a warning issued.

For more information about calling Lua functions and the return values, see LuaSandboxFunction::call().

### Parameters

`name`
  Lua variable name.
`args`
  Arguments to the function.

### Return Values

Returns an array of values returned by the Lua function, which may be empty, or `false` on failure.

### Examples

Example #1 Calling a Lua function

`<?php
// create a new LuaSandbox
$sandbox = new LuaSandbox();
// Call Lua's string.match
$captures = $sandbox->callFunction( 'string.match', $string, $pattern );
?>`
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