<?php
function bar(callable $fn)
{
echo "It passed a callable check\n";
$fn();
}
class foo
{
function bar()
{
echo "oh dear lord, this is an instance function";
}
}
$foo = new foo;
bar(['foo', 'bar']);
Fatal error: Uncaught TypeError: bar(): Argument #1 ($fn) must be of type callable, array given, called in /in/6l4LN on line 19 and defined in /in/6l4LN:3
Stack trace:
#0 /in/6l4LN(19): bar(Array)
#1 {main}
thrown in /in/6l4LN on line 3
Process exited with code 255.
Deprecated: Non-static method foo::bar() should not be called statically in /in/6l4LN on line 3
It passed a callable check
Deprecated: Non-static method foo::bar() should not be called statically in /in/6l4LN on line 6
oh dear lord, this is an instance function
Output for 7.3.32 - 7.3.33
It passed a callable check
oh dear lord, this is an instance function
Strict Standards: Non-static method foo::bar() should not be called statically in /in/6l4LN on line 3
It passed a callable check
Strict Standards: Non-static method foo::bar() should not be called statically in /in/6l4LN on line 6
oh dear lord, this is an instance function