Php
Quotes
! With single quotes, variables are NOT interpreted and replaced. With double quotes, variables are interpreted and replaced.
RunCode
$a = 'a';
echo $b = '$an'; // outputs $an
$a = 'a';
echo $b = "$an"; // output a
Herodoc
! It is used for formating on multiple lines. You can use of quotes without escaping. The closing identifier must contain no characters, except a semicolon (;). Also, the first character after the closing identifier must be a newline. RunCode
$who = "John";
$output = <<<TEST
She said "This is $who's test"
on multiple rows
TEST;
echo nl2br($output);
/*
She said "This is John's test"
on multiple rows
*/
... 10 lines˄˄˄ CompleteTask
/**
* Define $output on multiple $lines
* Use Herodoc syntax.
*
* output =
* She said "This is John's test"
* on multiple rows
*/
$who = "John";
$output = ...
➥ Questions
CARD
01
