One Liner¶
A one-liner refers to a concise and often single expression that accomplishes a specific task. It’s a shorthand way of expressing functionality in a compact form.
One liner are supposed to fit on one line. The line is also supposed to be limited in size.
One liners tends to pack a lot of operations in one expression. When used aggressively, one liners become less readable, and more complex.
Some commands have a short and a long syntax, such as if-then-else and the ternary operator condition ? then : else.
<?php
// one-liner
$condition ? doSomething() : doSomethingElse();
// equivalent to above, not a one liner
if ($condition) {
doSomething();
} else {
doSomethingElse();
}
?>
See also Avoiding one-liners in PHP and Deconstructing PHP ‘One-liner’ Webshells.
