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run code in 200+ php & hhvm versions
Bugs & Features
<?php function doSomething( &$arg ) { $return = $arg; $arg += 1; echo $return; return $return; } $a = 3; $b = doSomething( $a ); echo "a=$a,b=$b";
Output for 4.3.0 - 7.2.0
3a=4,b=3