<?php
class Test {
public function foo() {
echo "foo", PHP_EOL;
}
public function __destruct() {
echo "going to die", PHP_EOL;
}
}
$t = new Test;
$t->foo();
call_user_func(array($test, 'foo'));
foo
Warning: Undefined variable $test in /in/NVN6N on line 18
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, first array member is not a valid class name or object in /in/NVN6N:18
Stack trace:
#0 {main}
thrown in /in/NVN6N on line 18
going to die
Process exited with code 255.
Output for 8.0.0 - 8.0.9
foo
Warning: Undefined variable $test in /in/NVN6N on line 18
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, first array member is not a valid class name or object in /in/NVN6N:18
Stack trace:
#0 {main}
thrown in /in/NVN6N on line 18
going to die
Process exited with code 255.
foo
Notice: Undefined variable: test in /in/NVN6N on line 18
Warning: call_user_func() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in /in/NVN6N on line 18
going to die
Output for 7.3.32 - 7.3.33
foo
Warning: call_user_func() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in /in/NVN6N on line 18
going to die
foo
Notice: Undefined variable: test in /in/NVN6N on line 18
Warning: call_user_func(Array): First argument is expected to be a valid callback in /in/NVN6N on line 18
going to die
Output for 5.0.2 - 5.0.3
foo
Notice: Undefined variable: test in /in/NVN6N on line 18
Warning: call_user_func(Array): First argument is expected to be a valid callback in /in/NVN6N on line 18
going to die
Output for 5.0.0 - 5.0.1
foo
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/NVN6N on line 6
PHP_EOL
Notice: Undefined variable: test in /in/NVN6N on line 18
Warning: call_user_func(Array): First argument is expected to be a valid callback in /in/NVN6N on line 18
going to die
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/NVN6N on line 10
PHP_EOL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NVN6N on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NVN6N on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/NVN6N on line 5
Process exited with code 255.