<?phpob_start();var_dump ( 3.1, // mixed $expression1 true // mixed $expression2);$contents = ob_get_contents();ob_end_clean();?>
$contents = 'float(3.1)bool(true)'
'float(3.1)bool(true)'
#1
var_dump
([0 => 1, 1 => 2, 2 => [0 => "a", 1 => "b", 2 => "c"]])
#2
(3.1, true)