Replace a function definition with a new implementation

Descrição

runkit7_function_redefine(
    string $function_name,
    string $argument_list,
    string $code,
    bool $return_by_reference = null,
    string $doc_comment = null,
    string $return_type = ?,
    bool $is_strict = ?
): bool

runkit7_function_redefine(
    string $function_name,
    Closure $closure,
    string $doc_comment = null,
    string $return_type = ?,
    bool $is_strict = ?
): bool

Note: Por padrão, apenas funções criadas pelo usuário podem ser removidas, renomeadas ou modificadas. Para sobrescrever funções internas, a configuração runkit.internal_override deve ser habilitada no php.ini.

Parâmetros

function_name: Name of function to redefine
argument_list: New list of arguments to be accepted by function
code: New code implementation
closure: A closure that defines the function.
return_by_reference: Whether the function should return by reference.
doc_comment: The doc comment of the function.
return_type: The return type of the function.
is_strict: Whether the function behaves as if it was declared in a file with strict_types=1

Valor Retornado

Retorna true em caso de sucesso ou false em caso de falha.

Exemplos

Example #1 A runkit7_function_redefine() example

<?php
function testme() {
  echo "Original Testme Implementation\n";
}
testme();
runkit7_function_redefine('testme','','echo "New Testme Implementation\n";');
testme();
?>

O exemplo acima produzirá:

Original Testme Implementation
New Testme Implementation

Veja Também

runkit7_function_add() - Add a new function, similar to create_function
runkit7_function_copy() - Copy a function to a new function name
runkit7_function_rename() - Change a function's name
runkit7_function_remove() - Remove a function definition
runkit7_method_redefine() - Dynamically changes the code of the given method