<?php
error_reporting(E_ALL);
define('great','my');
$great='fantastic';
$my='my value';
echo "This is ${great }<br/>\n";//output:my value
echo "This is ${ great}<br/>\n";//output:my value
echo "This is ${ great }<br/>\n";//output:my value
echo "This is ${great}<br/>\n";//output:fantastic
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 8
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 9
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 10
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/jQXFc on line 11
This is my value<br/>
This is my value<br/>
This is my value<br/>
This is fantastic<br/>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 8
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 9
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/jQXFc on line 10
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/jQXFc on line 11
This is my value<br/>
This is my value<br/>
This is my value<br/>
This is fantastic<br/>