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<?php #array to filter $data = ['foo' => 6]; #filter args $args = ['foo'=> ['filter' => FILTER_VALIDATE_INT,'flags' => FILTER_FORCE_ARRAY]]; $args['foo']['options']=[]; #create reference $options = &$args['foo']['options']; #set options $options['min_range']=1; $options['max_range']=5; #show the filter result print_r(filter_var_array($data,$args));
Output for 5.4.0 - 5.6.30, 7.3.18 - 7.4.6
Array ( [foo] => Array ( [0] => ) )
Output for 7.0.0 - 7.2.8
Array ( [foo] => Array ( [0] => 6 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/83gXR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/83gXR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/83gXR on line 4
Process exited with code 255.