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<?php class Test { public $name; } function swap1($test) { $test = new Test(); $test->name = 1; } function swap2(&$test) { $test = new Test(); $test->name = 2; } function swap3($test) { $test->name = 3; } $test = new Test; $test->name = 0; var_dump($test->name); swap1($test); var_dump($test->name); swap2($test); var_dump($test->name); swap3($test); var_dump($test->name);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(0) int(0) int(2) int(3)
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/Ovifa on line 4
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/Ovifa on line 4
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/Ovifa on line 4
Process exited with code 255.