(PECL runkit7 >= Unknown)
runkit7_method_rename — Dynamically changes the name of the given method
$class_name, string $source_method_name, string $target_method_name): boolNote: This function cannot be used to manipulate the currently running (or chained) method.
class_nameThe class in which to rename the method
source_method_nameThe name of the method to rename
target_method_nameThe new name to give to the renamed method
   Returns true on success or false on failure.
  
Example #1 runkit7_method_rename() example
<?php
class Example {
    function foo() {
        return "foo!\n";
    }
}
// Rename the 'foo' method to 'bar'
runkit7_method_rename(
    'Example',
    'foo',
    'bar'
);
// output renamed function
echo (new Example)->bar();
?>
The above example will output:
foo!