International PHP Conference Berlin 2025

uopz_set_mock

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

uopz_set_mockUse mock instead of class for new objects

Description

uopz_set_mock(string $class, mixed $mock): void

If mock is a string containing the name of a class then it will be instantiated instead of class. mock can also be an object.

Note:

Only dynamic access to properties and methods will use the mock object. Static access still uses the original class. See example below.

Parameters

class

The name of the class to be mocked.

mock

The mock to use in the form of a string containing the name of the class to use or an object. If a string is passed, it has to be the fully qualified class name. It is recommended to use the ::class magic constant in this case.

Return Values

No value is returned.

Changelog

Version Description
PECL uopz 6.0.0 Mocking static members is no longer supported by this function. uopz_redefine() and uopz_set_return(), or Componere can be used instead.

Examples

Example #1 uopz_set_mock() example

<?php
class A {
public function
who() {
echo
"A";
}
}

class
mockA {
public function
who() {
echo
"mockA";
}
}

uopz_set_mock(A::class, mockA::class);
(new
A)->who();
?>

The above example will output:

mockA

Example #2 uopz_set_mock() example

<?php
class A {
public function
who() {
echo
"A";
}
}

uopz_set_mock(A::class, new class {
public function
who() {
echo
"mockA";
}
});
(new
A)->who();
?>

The above example will output:

mockA

Example #3 uopz_set_mock() and static members

As of uopz 6.0.0 mocking static members is no longer supported.

<?php
class A {
const
CON = 'A';
public static function
who() {
echo
"A";
}
}

uopz_set_mock(A::class, new class {
const
CON = 'mockA';
public static function
who() {
echo
"mockA";
}
});
echo
A::CON, PHP_EOL;
A::who();
?>

The above example will output:

A
A

Output of the above example in uopz 5:

mockA
mockA

See Also

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