function main()
{
test();
fb_rename_function('foo', 'baz');
test();
fb_rename_function('bar', 'foo');
test();
}
function main()
{
var_dump(foo());
var_dump(bar());
fb_rename_function('bar', 'baz');
fb_rename_function('foo', 'bar');
var_dump(bar());
}
<?php
function err($code, $msg)
{
var_dump($code, $msg);
}
set_error_handler('err');
function test1()
{
}
function test2()
{
}
fb_rename_function('test1', 'test3');
fb_rename_function('test2', 'test1');
fb_rename_function('test1', 'test2');
fb_rename_function('test3', 'test1');
<?php
function a()
{
echo "Hello from a\n";
}
function b()
{
echo "I am b\n";
}
function callfns($name, $name2)
{
echo "Calling {$name}\n";
$name();
echo "Calling {$name2}\n";
$name2();
}
callfns('a', 'b');
fb_rename_function('a', 'old_a');
fb_rename_function('b', 'a');
fb_rename_function('old_a', 'b');
callfns('a', 'b');
fb_rename_function('extract', 'a');
function bar()
{
$orig = "foo";
$new = "my_{$orig}";
var_dump(fb_rename_function($new, "foo"));
}
<?php
function test1()
{
var_dump(__METHOD__);
}
function test2()
{
var_dump(__METHOD__);
}
function test($test)
{
test1();
TeSt1();
$test();
$test = strtolower($test);
$test(1, 2, 3);
}
test('Test1');
fb_rename_function('tEst1', 'fiz');
fb_rename_function('test2', 'Test1');
test('teSt1');
<?php
function bungle($s)
{
return 314159;
}
function prefix()
{
return "__rename_func_";
}
$stub_name = prefix() . 'strtoupper';
var_dump(strtoupper('tweet'));
fb_rename_function('strtoupper', $stub_name);
fb_rename_function('bungle', 'strtoupper');
var_dump(strtoupper('tweet'));
// release stringdata
unset($stub_name);
// try to allocate something in that memory
$stub_name = prefix() . 'hagfish';
$stub_name = prefix() . 'strtoupper';
fb_rename_function('strtoupper', 'bungle');
fb_rename_function($stub_name, 'strtoupper');
var_dump(strtoupper('tweet'));
<?php
function bungle($s)
{
return 314159;
}
function prefix()
{
return "__rename_func_";
}
$stub_name = prefix() . 'strlen';
var_dump(strlen(''));
fb_rename_function('strlen', $stub_name);
fb_rename_function('bungle', 'strlen');
var_dump(strlen(''));
// release stringdata
unset($stub_name);
// try to allocate something in that memory
$stub_name = prefix() . 'hagfish';
$stub_name = prefix() . 'strlen';
fb_rename_function('strlen', 'bungle');
fb_rename_function($stub_name, 'strlen');
var_dump(strlen(''));
<?php
function test1()
{
print __FUNCTION__;
}
function test2()
{
print __FUNCTION__;
}
fb_rename_function('test2', 'test3');
fb_rename_function('test1', 'test2');
teSt2();
fb_rename_function('test2', 'test3');
teSt2();
<?php
function a()
{
echo "Hello from a\n";
}
function b()
{
echo "I am b\n";
}
function callfns($name, $name2)
{
echo "Calling {$name}\n";
$name();
echo "Calling {$name2}\n";
$name2();
}
callfns('a', 'b');
fb_rename_function('a', 'old_a');
fb_rename_function('b', 'a');
fb_rename_function('old_a', 'b');
callfns('a', 'b');
<?php
function test1()
{
echo "test1\n";
}
function test3()
{
echo "test3\n";
}
function baz($test1, $test2)
{
var_dump(function_exists("Test1"));
var_dump(function_exists("tEst2"));
var_dump(function_exists($test1));
var_dump(function_exists($test2));
}
baz("teSt1", "test2");
fb_rename_function("test1", "test2");
baz("TEst1", "test2");
fb_rename_function("test3", "test1");
baz("test1", "test2");
test1();
test2();
<?php
function one()
{
echo 'one';
}
var_dump(fb_rename_function('one', 'two'));
<?php
function one()
{
echo 'one';
}
fb_rename_function('one', 'two');
fb_rename_function('two', 'three');
three();