runkit7_function_copy

(PECL runkit7 >= Unknown)

runkit7_function_copy — Copy a function to a new function name

runkit7_function_copy(string $source_name, string $target_name): bool

成功时返回 true，或者在失败时返回 false。

示例 #1 A runkit7_function_copy() example

<?php
function original() {
  echo "In a function\n";
}
runkit7_function_copy('original','duplicate');
original();
duplicate();
?>

以上示例会输出：

In a function
In a function

runkit7_function_add() - Add a new function, similar to create_function
runkit7_function_redefine() - Replace a function definition with a new implementation
runkit7_function_rename() - Change a function's name
runkit7_function_remove() - Remove a function definition