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<?php function bar(callable $fn) { echo "It passed a callable check\n"; @$fn(); } class foo { protected $a; function bar() { $this->a; echo "oh dear lord, this is an instance function"; } } $foo = new foo; foo::bar(); @bar(['foo', 'bar']);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Non-static method foo::bar() cannot be called statically in /in/UevBS:22 Stack trace: #0 {main} thrown in /in/UevBS on line 22
Process exited with code 255.

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