<?php

$a = $a+ (bool) $b;
$a = function_call( (bool) $b);
if ( (bool) $a === (bool) $b) {}

$var = (int) $var2;
$var = (int) $var2;
$var = (int) $var2;

$var = (integer) $var2;
$var = (integer) $var2;
$var = (integer) $var2;

$var = (string) $var2;
$var = (string) $var2;
$var = (string) $var2;

$var = (float) $var2;
$var = (float) $var2;
$var = (float) $var2;

$var = (double) $var2;
$var = (double) $var2;
$var = (double) $var2;

$var = (real) $var2;
$var = (real) $var2;
$var = (real) $var2;

$var = (array) $var2;
$var = (array) $var2;
$var = (array) $var2;

$var = (bool) $var2;
$var = (bool) $var2;
$var = (bool) $var2;

$var = (boolean) $var2;
$var = (boolean) $var2;
$var = (boolean) $var2;

$var = (object) $var2;
$var = (object) $var2;
$var = (object) $var2;

$var = (unset) $var2;
$var = (unset) $var2;
$var = (unset) $var2;

$var = b"binary $foo";
$var = b"binary string";
$var = b'binary string';
$var = (binary) $string;
$var = (binary) $string;
$var = (binary) $string;

$var = array(
	(bool) $a,
	array(
        (int) $b,
	),
);

(bool) $a ? echo $b : echo $c;