3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 42; echo "lorem $foo ipsum {$foo} dolor\n"; echo "lorem " . $foo . " ipsum " . $foo . " dolor\n"; $tmp = "lorem "; $tmp .= $foo; $tmp .= " ipsum "; $tmp .= $foo; $tmp .= " dolor\n"; echo $tmp;
Output for 4.3.0 - 7.2.0
lorem 42 ipsum 42 dolor lorem 42 ipsum 42 dolor lorem 42 ipsum 42 dolor