Lua::registerCallback

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Lua::registerCallback向Lua中注册php函数

说明

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

向Lua注册php函数,函数名为"$name"

参数

name

function

一个有效的PHP回调函数

返回值

成功返回$this,参数错误返回null ,其它错误返回false

示例

示例 #1 Lua::registerCallback()示例

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

以上示例会输出:

array(3) {
  [1]=>
  float(1)
  [2]=>
  float(2)
  [3]=>
  float(3)
}
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turn_and_turn at sina dot com
5 years ago
// init lua$lua = new Lua();/*** Hello world method*/function helloWorld(){    return "hello world";}// register our hello world method$lua->registerCallback("helloWorld", helloWorld);$lua->eval("    -- call php method    local retVal = helloWorld()    print(retVal)");// register our hello world method but using an other name$lua->registerCallback("worldHello", helloWorld);// run our lua script$lua->eval("    -- call php method    local retVal = worldHello()    print(retVal)");
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