Trait Method

A trait can contribute a reusable method to a class.

trait_method.php

<?php
trait HasLabel
{
    public function label(): string
    {
        return "tag:" . $this->name;
    }
}

class Tag
{
    use HasLabel;

    public function __construct(public string $name)
    {
    }
}

$name = ;
$tag = new Tag($name);
$label = $tag->label();

echo "name=" . $name . "\n";
echo "label=" . $label . "\n";

<?php
trait HasLabel
{
    public function label(): string
    {
        return "tag:" . $this->name;
    }
}

class Tag
{
    use HasLabel;

    public function __construct(public string $name)
    {
    }
}

$name = ;
$tag = new Tag($name);
$label = $tag->label();

echo "name=" . $name . "\n";
echo "label=" . $label . "\n";

<?php
trait HasLabel
{
    public function label(): string
    {
        return "tag:" . $this->name;
    }
}

class Tag
{
    use HasLabel;

    public function __construct(public string $name)
    {
    }
}

$name = ;
$tag = new Tag($name);
$label = $tag->label();

echo "name=" . $name . "\n";
echo "label=" . $label . "\n";

method reuse The class uses the trait method as if the method were written in the class.