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<?php function tester( array &$error ) { $error = [ 'text' => 'nothing found' ]; return true; } $error = []; call_user_func( 'tester', $error ); var_dump( $error );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: tester(): Argument #1 ($error) must be passed by reference, value given in /in/WDqL6 on line 10 array(0) { }

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