Curly Brackets¶
Curly brackets have different usage in PHP:
Delimit a block of code
Represents a variable delimiter inside string
It used to identify a single byte in a string, like an array
They are also called curly braces.
<?php
for($a = 1; $a < 10; ++$i) {
// block
echo "{$var}s";
}
// old syntax: it used to be the second character in the string
// modern syntax : use angular brackets
echo $string{1};
?>