Argument strings with leading 0s are stripped

[NeilJ247]

Description

Behat version is v3.11.0

I have a custom step which checks a phone number is saved correctly to the database.

Definition

And my contact number is "02087599036"

Code

  /**
   * @Then my contact number is :phone
   */
  public function myContactNumberIs(string $phone)
  {

Expected

I expect that $phone should contain "02087599036"

Actual

$phone is stripped of the leading 0 e.g. "2087599036"