PHP Filter

[netcat-na-diary]

PHP Filter

• filter_var() - Filters a single variable with a specified filter


• filter_var_array() - Filter several variables with the same or different
  filters


• filter_input - Get one input variable and filter it


• filter_input_array - Get several input variables and filter them with
  the same or different filters

<?php
		$int = 123;
		if (!filter_var($int, FILTER_VALIDATE_INT))
		{
			echo ("Integer is not valid");
		}
		else
		{
			echo ("Integer is valid");
		}
	?>

Фильтр с условиями

<?php
		$var = 300;
		$int_options = array(
			"options" => array
			(
				"min_range"=>0,
				"max_range"=>256
			)	
		);
		
		if (!filter_var($int, FILTER_VALIDATE_INT, $int_options))
		{
			echo ("Integer is not valid");
		}
		else
		{
			echo ("Integer is valid");
		}
	?>