Lua::registerCallback

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Lua::registerCallback — Register a PHP function to Lua

public Lua::registerCallback(string $name, callable $function): mixed

Returns $this, null for wrong arguments or false on other failure.

Example #1 Lua::registerCallback()example

<?php
$lua = new Lua();
$lua->registerCallback("echo", "var_dump");
$lua->eval(<<<CODE
    echo({1, 2, 3});
CODE
);
?>

The above example will output:

array(3) {
  [1]=>
  float(1)
  [2]=>
  float(2)
  [3]=>
  float(3)
}

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