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<?php function func1( &$ref ) { function ref( &$ref ) { var_dump( $ref ); } $func = 'ref'; ref( $ref ); $func( $ref ); call_user_func_array( $func, array( &$ref ) ); call_user_func( $func, $ref ); } $var = array(); func1( $var );
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { } array(0) { } array(0) { } Warning: ref(): Argument #1 ($ref) must be passed by reference, value given in /in/p9E7N on line 13 array(0) { }

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