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runkit7_function_add	runkit7_function_redefine

runkit7 Functions	Last updated: Mon, 26 Oct 2026

runkit7_function_copy

(PECL runkit7 >= Unknown)

runkit7_function_copy — Copy a function to a new function name

Description

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

Parameters

source_name: Name of the existing function
target_name: Name of the new function to copy the definition to

Return Values

Returns true on success or false on failure.

Examples

Example #1 A runkit7_function_copy() example

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

The above example will output:

In a function
In a function

See Also

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

runkit7_function_add	runkit7_function_redefine

runkit7 Functions	Last updated: Mon, 26 Oct 2026