EXAMIANS
How many types of filtering are present in PHP?
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Which one of the following filter checks if variable of specified type exists?
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What will be the output of the following PHP code?<br/>$value = 'car';<br/>$result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
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Which of the following is/are an external data?<br/>1. Cookies<br/>2. Input data from a form<br/>3. Server Variables<br/>4. Web services data
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What will be the output of the following PHP code?<br/>function convertSpace($string)<br/>{<br/>return str_replace("_", " ", $string);<br/>}<br/>$string = "Peter_is_a_great_guy!";<br/>echo filter_var($string, FILTER_CALLBACK, array("options"=>"convertSpace"));
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Which one of the following does not describe a validating filter?
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What will be the output of the following PHP code?<br/>$num = "123";<br/>if (!filter_var($num, FILTER_VALIDATE_INT))<br/>echo("Integer is not valid");<br/>else<br/>echo("Integer is valid");
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What will be the output of the following PHP code?<br/>$var=300;<br/>$int_options = array("options"=>array ("min_range"=>0, "max_range"=>256));<br/>if (!filter_var($var, FILTER_VALIDATE_INT, $int_options))<br/>echo("Integer is not valid");<br/>else<br/>echo("Integer is valid");
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Which one of the following filter is used to filter several variables with the same or different filters?
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