转自：http://shendongming.blog.51cto.com/458802/759403
函数的重定义
runkit_function_redefine
<?php
function testme() {
echo "Original Testme Implementation\n";
}
testme();
runkit_function_redefine('testme','','echo "New Testme Implementation\n";');
testme();
?>
方法的重定义
runkit_method_redefine
<?php
class Example {
function foo() {
return "foo!\n";
}
}
// create an Example object
$e = new Example();
// output Example::foo() (before redefine)
echo "Before: " . $e->foo();
// Redefine the 'foo' method
runkit_method_redefine(
'Example',
'foo',
'',
'return "bar!\n";',
RUNKIT_ACC_PUBLIC
);
// output Example::foo() (after redefine)
echo "After: " . $e->foo();
?>
方法的重命名
runkit_method_rename
<?php
class Example {
function foo() {
return "foo!\n";
}
}
// Rename the 'foo' method to 'bar'
runkit_method_rename(
'Example',
'foo',
'bar'
);
// output renamed function
echo Example::bar();
?>
