- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
- string(0) "" string(1) "1"
<?php
$name = 'FOO';
$value = false;
putenv("{$name}={$value}");
var_dump(getenv($name));
$value = true;
putenv("{$name}={$value}");
var_dump(getenv($name));