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<?php class Foo { public function bar() { return $this->var = $var = $this->baz(); } public function baz() { return 'hello'; } } $foo = new Foo(); $var = $foo->bar(); var_dump($var); $var = & $foo->bar(); var_dump($var); var_dump($foo->baz());
Output for 7.0.0 - 7.1.0
string(5) "hello" Notice: Only variables should be assigned by reference in /in/jNNfd on line 25 string(5) "hello" string(5) "hello"
Output for 5.0.5 - 5.6.28
string(5) "hello" Strict Standards: Only variables should be assigned by reference in /in/jNNfd on line 25 string(5) "hello" string(5) "hello"
Output for 5.0.0 - 5.0.4
string(5) "hello" string(5) "hello" string(5) "hello"
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/jNNfd on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/jNNfd on line 7
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/jNNfd on line 7
Process exited with code 255.