Dot And Bitshift Priority¶
The dot (concatenation) and bitshift (<< and >>) operators have a distinct priority in PHP
PHP code¶
<?php
echo 3 . 4 << 1;
?>
Before¶
68
After¶
38
PHP version change¶
This behavior was deprecated in The behavior of unparenthesized expressions containing both ‘.’ and ‘>>’/’<<’ will change in PHP 8: ‘<<’/’>>’ will take a higher precedence
This behavior changed in 8.0
