<?php
class book {
function info(){
$infoOne = 'title';
$this->$infoOne();
}
function title(){
return 'The weird side of PHP';
}
}
$book = new book();
$funcname = 'title';
$book->$funcname();
$funcName();
?>
Warning: Undefined variable $funcName in /in/gtXRt on line 16
Fatal error: Uncaught Error: Value of type null is not callable in /in/gtXRt:16
Stack trace:
#0 {main}
thrown in /in/gtXRt on line 16
Process exited with code 255.
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
Warning: Undefined variable $funcName in /in/gtXRt on line 16
Fatal error: Uncaught Error: Value of type null is not callable in /in/gtXRt:16
Stack trace:
#0 {main}
thrown in /in/gtXRt on line 16
Process exited with code 255.
Notice: Undefined variable: funcName in /in/gtXRt on line 16
Fatal error: Uncaught Error: Function name must be a string in /in/gtXRt:16
Stack trace:
#0 {main}
thrown in /in/gtXRt on line 16
Process exited with code 255.
Output for 7.3.32, 7.4.26
Fatal error: Uncaught Error: Function name must be a string in /in/gtXRt:16
Stack trace:
#0 {main}
thrown in /in/gtXRt on line 16
Process exited with code 255.