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blar/gist:21f0f21c84ec5f502ee8

Created August 2, 2014 14:43
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gistfile1.php
<?php
class Boolean extends SplBool {
public function toggle() {
$this -= 1;
return $this;
}
}
$boolean = new Boolean(true);
var_dump((boolean) $boolean->toggle());
var_dump((boolean) $boolean->toggle());
var_dump((boolean) $boolean->toggle());
var_dump((boolean) $boolean->toggle());
bool(false)
bool(true)
bool(false)
bool(true)
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