Create one to many relationship, this is a template, to generate the code needed to make oneToMany relationships. Change $A and $B accordingly.

Doctrine2-oneToMany.php

<?php


$A = 'Product';
$B = 'Feature';



echo <<< EOD
<pre>
/**
 * @See: http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/association-mapping.html#one-to-many-bidirectional
 * as of 2017-11-01
 *
 *  \$A = one
 *  \$B = many
 *
 * ONE to Many
 *  \$A => \$B
 *  $A => $B
 *
 */

</pre>
EOD;

$Bs = $B . 's';
$a  = lcfirst($A);
$b  = lcfirst($B);
$bs = lcfirst($Bs);


$string = <<< EOD
<?php
use Doctrine\Common\Collections\ArrayCollection;

/** @ORM\Entity */
class $A
{
    // ...

    /**
    * One $A has Many $Bs.
    * @ORM\OneToMany(targetEntity="$B", mappedBy="$a")
    */
    protected \$$bs;
    
    // ...

    public function __construct()
    {
        \$this->$bs = new ArrayCollection();
    }
    
    // ... GETTERS ...
    // ... SETTERS ...
}

/** @Entity */
class $B
{
    // ...
    
    /**
    * Many $Bs have One $A.
    * @ORM\ManyToOne(targetEntity="$A", inversedBy="$bs")
    */
    protected \$$a;
    
    // ...
    
    // ... GETTERS ...
    // ... SETTERS ...
    
}
EOD;

ini_set("highlight.comment", "#008000");
ini_set("highlight.default", "#000000");
ini_set("highlight.html", "#808080");
ini_set("highlight.keyword", "#0000BB; font-weight: bold");
ini_set("highlight.string", "#DD0000");




 highlight_string($string);