PHP 7.4.24 Released!

uopz_set_return

(PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_set_returnProvide a return value for an existing function

説明

uopz_set_return(string $function, mixed $value, bool $execute = false): bool
uopz_set_return(
    string $class,
    string $function,
    mixed $value,
    bool $execute = false
): bool

Sets the return value of the function to value. If value is a Closure and execute is set, the Closure will be executed in place of the original function. It is possible to call the original function from the Closure.

注意:

This function replaces uopz_rename().

パラメータ

class

The name of the class containing the function

function

The name of an existing function

value

The value the function should return. If a Closure is provided and the execute flag is set, the Closure will be executed in place of the original function.

execute

If true, and a Closure was provided as the value, the Closure will be executed in place of the original function.

返り値

True if succeeded, false otherwise.

例1 uopz_set_return() example

<?php
uopz_set_return
("strlen"42);
echo 
strlen("Banana");
?>

上の例の出力は以下となります。

42

例2 uopz_set_return() example

<?php
uopz_set_return
("strlen", function($str) { return strlen($str) * 2; }, true );
echo 
strlen("Banana");
?>

上の例の出力は以下となります。

12

例3 uopz_set_return() class example

<?php
class My {
    public static function 
strlen($arg) {
        return 
strlen($arg);
    }
}
uopz_set_return(My::class, "strlen", function($str) { return strlen($str) * 2; }, true );
echo 
My::strlen("Banana");
?>

上の例の出力は以下となります。

12
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