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<?php function byVal($arg) { echo 'As passed : ', var_export(func_get_args()), PHP_EOL; $arg = 'baz'; echo 'After change : ', var_export(func_get_args()), PHP_EOL; } function byRef(&$arg) { echo 'As passed : ', var_export(func_get_args()), PHP_EOL; $arg = 'baz'; echo 'After change : ', var_export(func_get_args()), PHP_EOL; } $arg = 'bar'; byVal($arg); byRef($arg); ?>
Output for git.master, git.master_jit, rfc.property-hooks
As passed : array ( 0 => 'bar', ) After change : array ( 0 => 'baz', ) As passed : array ( 0 => 'bar', ) After change : array ( 0 => 'baz', )

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