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I'm trying to use JMS Serializer on a new PHP 8 project and somehow I'm not able to get any of the annotations to work. This is my simplified settings:

composer.json

{
    "require": {
        "jms/serializer": "^3.32"
    }
}

test.php

<?php
require_once __DIR__.'/vendor/autoload.php';

use JMS\Serializer\Annotation\ExclusionPolicy;
use JMS\Serializer\Annotation\Expose;
use JMS\Serializer\SerializerBuilder;

/** @ExclusionPolicy("all") */
class Test {
    /** @Expose */
    private string $name;
    private int $value;

    public function getName(): string {
        return $this->name;
    }
    public function setName(string $name): void {
        $this->name = $name;
    }
    public function getValue(): int {
        return $this->value;
    }
    public function setValue(int $value): void {
        $this->value = $value;
    }
}
$test = new Test();
$test->setName("John Doe");
$test->setValue(100);

$serializer = SerializerBuilder::create()->build();
echo $serializer->serialize($test, 'json');

If I execute the code above the output is the following:

{"name":"John Doe","value":100}

Instead I was expecting to see:

{"name":"John Doe"}

I also tried a million of combinations of other annotation, and no one seem to work. Any clues? Many thanks in advance!

I'm trying to use JMS Serializer on a new PHP 8 project and somehow I'm not able to get any of the annotations to work. This is my simplified settings:

composer.json

{
    "require": {
        "jms/serializer": "^3.32"
    }
}

test.php

<?php
require_once __DIR__.'/vendor/autoload.php';

use JMS\Serializer\Annotation\ExclusionPolicy;
use JMS\Serializer\Annotation\Expose;
use JMS\Serializer\SerializerBuilder;

/** @ExclusionPolicy("all") */
class Test {
    /** @Expose */
    private string $name;
    private int $value;

    public function getName(): string {
        return $this->name;
    }
    public function setName(string $name): void {
        $this->name = $name;
    }
    public function getValue(): int {
        return $this->value;
    }
    public function setValue(int $value): void {
        $this->value = $value;
    }
}
$test = new Test();
$test->setName("John Doe");
$test->setValue(100);

$serializer = SerializerBuilder::create()->build();
echo $serializer->serialize($test, 'json');

If I execute the code above the output is the following:

{"name":"John Doe","value":100}

Instead I was expecting to see:

{"name":"John Doe"}

I also tried a million of combinations of other annotation, and no one seem to work. Any clues? Many thanks in advance!

• php
• composer-php
• jms-serializer

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1 Answer 1

Sorted by: Reset to default 0

Use PHP8 Attributes. Then it works. Annotations have been optional since 3.30.0. If you install doctrine/annotations, it should also work with annotations. See documentation.

use JMS\Serializer\Annotation\ExclusionPolicy;
use JMS\Serializer\Annotation\Expose;

#[ExclusionPolicy("all")]
class Test
{
    #[Expose]
    private string $name;

    /* ... */
}

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