if(!filter_var($int, FILTER_VALIDATE_INT)) {\r\n echo(\"Integer is not valid\");\r\n } else {\r\n echo(\"Integer is valid\");\r\n }\r\n ?><\/pre>\n
\nFILTER_VALIDATE_INT \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 variable \u0995\u09c7 \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09af\u09a6\u09bf integer \u099f\u09bf \u09ac\u09c8\u09a7 \u09b9\u09df \u09a4\u09be\u09b9\u09b2\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u0986\u09b8\u09ac\u09c7 “Integer is valid”
\n\u09af\u09a6\u09bf \u0986\u09ae\u09b0\u09be integer \u098f\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09c7 123abc \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09bf \u09a4\u09be\u09b9\u09b2\u09c7 output \u0986\u09b8\u09ac\u09c7 Integer is not valid\u0964<\/p>\n
Validating \u098f\u09ac\u0982 Sanitizing<\/h2>\n\u09ac\u09c8\u09a7 \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0<\/h4>\n
\u09e7\u0964 \u0987\u0989\u099c\u09be\u09b0 \u098f\u09b0 \u0987\u09a8\u09aa\u09c1\u099f \u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09ac\u09c8\u09a7 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af
\n\u09e8\u0964 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u0997\u09a0\u09a8 \u0985\u09a8\u09c1\u099c\u09be\u09df\u09c7 \u09a1\u09be\u099f\u09be \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af (\u09af\u09c7\u09ae\u09a8 \u0987\u09ae\u09c7\u0987\u09b2 \u0985\u09a5\u09ac\u09be URL \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7)<\/p>\n
Sanitizing \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0<\/h4>\n
\u09e7\u0964 \u0995\u09cb\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f characters \u0995\u09c7 \u0985\u09a8\u09c1\u09ae\u09cb\u09a6\u09a8 \u09a6\u09c7\u0993\u09df\u09be\u09b0 \u099c\u09a8\u09cd\u09af
\n\u09e8\u0964 \u0995\u09cb\u09a8 \u0997\u09a0\u09a8 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u09ae\u09c7\u09a8\u09c7 \u099a\u09b2\u09c7 \u09a8\u09be
\n\u09e9\u0964 \u09b8\u09ac\u09b8\u09ae\u09df \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u0995\u09b0\u09c7<\/p>\n
filter_var() \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u0986\u09ae\u09b0\u09be integer \u0995\u09c7 \u09ac\u09c8\u09a7 \u0995\u09b0\u09ac\u0964<\/p>\n
\n< ?php\r\n $var=300;<\/pre>\n$int_options = array(\r\n \"options\"=>array\r\n (\r\n \"min_range\"=>0,\r\n \"max_range\"=>256\r\n )\r\n );<\/pre>\nif(!filter_var($var, FILTER_VALIDATE_INT, $int_options)) {\r\n echo(\"Integer is not valid\");\r\n } else {\r\n echo(\"Integer is valid\");\r\n }\r\n ?><\/pre>\n
\n\u098f\u0987 \u0995\u09cb\u09a1 \u098f options \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7 \u098f\u0995\u099f\u09bf array \u098f\u09b0 \u09ad\u09bf\u09a4\u09b0 options \u09a8\u09be\u09ae \u09a6\u09bf\u09df\u09c7 \u09af\u09a6\u09bf \u09ab\u09cd\u09b2\u09be\u0997 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09a4 \u09a4\u09be\u09b9\u09b2\u09c7 array \u09b2\u09be\u0997\u09a4 \u09a8\u09be\u0964 \u0986\u09ae\u09be\u09a6\u09c7\u09b0 integer \u099b\u09bf\u09b2 300 \u09af\u09be \u09b0\u09c7\u099e\u09cd\u099c \u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09ae\u09bf\u09b2\u09c7 \u09a8\u09be \u09b8\u09c1\u09a4\u09b0\u09be\u0982 \u098f\u09b0 \u09ab\u09b2\u09be\u09ab\u09b2 \u0986\u09b8\u09ac\u09c7 “Integer is not valid”\u0964<\/p>\n
<\/p>\n
\u0987\u09a8\u09aa\u09c1\u099f \u09a1\u09be\u099f\u09be \u09ac\u09c8\u09a7 \u0995\u09b0\u09be<\/h2>\n
filter_input() \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0986\u09ae\u09be\u09b0 \u09a1\u09be\u099f\u09be \u09ac\u09c8\u09a7 \u0995\u09b0\u09ac \u09aa\u09cd\u09b0\u09a5\u09ae\u09c7 \u0986\u09ae\u09b0\u09be \u099a\u09c7\u0995 \u0995\u09b0\u09ac \u09a1\u09be\u099f\u09be \u0986\u09b8\u09b2\u09c7 \u0987\u09a8\u09aa\u09c1\u099f \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u0995\u09bf\u09a8\u09be<\/p>\n
\n< ?php\r\n if(!filter_has_var(INPUT_GET, \"email\")) {\r\n echo(\"Input type does not exist\");\r\n } else {\r\n if (!filter_input(INPUT_GET, \"email\", FILTER_VALIDATE_EMAIL)) {\r\n echo \"E-Mail is not valid\";\r\n } else {\r\n echo \"E-Mail is valid\";\r\n }\r\n }\r\n ?><\/pre>\n
\nGET \u09ae\u09c7\u09a5\u09a1 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u0987\u09a8\u09aa\u09c1\u099f (\u0987\u09ae\u09c7\u0987\u09b2) \u099a\u09c7\u0995 \u0995\u09b0\u09ac\u09c7 \u09af\u09c7 \u09a4\u09be \u09ac\u09c8\u09a7 \u0995\u09bf\u09a8\u09be<\/p>\n
Sanitize \u0987\u09a8\u09aa\u09c1\u099f<\/h2>\n
\u09ab\u09b0\u09cd\u09ae \u0995\u09c7 URL \u098f \u09aa\u09be\u09a0\u09be\u09a8\u09cb\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0986\u09ae\u09b0\u09be \u098f\u0995\u09c7 \u09ac\u09c1\u099c\u09ac\u09cb
\n\u09aa\u09cd\u09b0\u09a5\u09ae\u09c7 \u0986\u09ae\u09b0\u09be \u099a\u09c7\u0995 \u0995\u09b0\u09ac \u0987\u09a8\u09aa\u09c1\u099f \u09a1\u09be\u099f\u09be \u09ab\u09be\u0995\u09be \u0986\u099b\u09c7 \u0995\u09bf\u09a8\u09be
\n\u09a4\u09be\u09b0\u09aa\u09b0 \u0986\u09ae\u09b0\u09be filter_input() \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a1\u09be\u099f\u09be \u0995\u09c7 sanitize \u0995\u09b0\u09ac\u0964<\/p>\n
\n< ?php\r\n if(!filter_has_var(INPUT_POST, \"url\")) {\r\n echo(\"Input type does not exist\");\r\n } else {\r\n $url = filter_input(INPUT_POST,\r\n \"url\", FILTER_SANITIZE_URL);\r\n }\r\n ?><\/pre>\n
\n\u0989\u09aa\u09dc\u09c7\u09b0 \u0989\u09a7\u09be\u09b9\u09b0\u09a8 \u099f\u09bf \u09af\u09a6\u09bf POST \u09ae\u09c7\u09a5\u09a1 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df<\/h4>\n
\u09aa\u09cd\u09b0\u09a5\u09ae\u09c7 \u099a\u09c7\u0995 \u0995\u09b0\u09ac\u09c7 \u0987\u09a8\u09aa\u09c1\u099f URL post \u099f\u09be\u0987\u09aa \u098f\u09b0 \u0995\u09bf\u09a8\u09be, \u09af\u09a6\u09bf \u0987\u09a8\u09aa\u09c1\u099f variable exists \u0995\u09b0\u09c7 \u09a4\u09be\u09b9\u09b2\u09c7 character \u0985\u09a8\u09c1\u099c\u09be\u09df\u09c7 sanitize \u0995\u09b0\u09ac\u09c7 \u098f\u09ac\u0982 $url \u098f variable \u099c\u09ae\u09be \u0995\u09b0\u09ac\u09c7\u0964 \u09af\u09a6\u09bf \u0987\u09a8\u09aa\u09c1\u099f variable \u098f\u09b0 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 http:\/\/bangla.salearningsch\u00f8\u00f8ool.com\u098f\u09b0 \u09ae\u09a4\u09a8 \u09b9\u09df \u0986\u09ae\u09b0\u09be sanitize \u0995\u09b0\u09be\u09b0 \u09aa\u09b0 \u09aa\u09be\u09ac http:\/\/bangla.salearningschool.com<\/p>\n
\u098f\u0995\u099f\u09bf \u09ab\u09b0\u09cd\u09ae\u09c7 \u098f\u0995\u09be\u09a7\u09bf\u0995 \u0987\u09a8\u09aa\u09c1\u099f \u09a5\u09be\u0995\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09b8\u09c7 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u0986\u09ae\u09b0\u09be filter_var or filter_input \u098f\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09c7 filter_var_array or the filter_input_array \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac\u0964 \u098f\u0987 \u0989\u09a7\u09be\u09b9\u09b0\u09a8 \u098f \u0986\u09ae\u09b0\u09be filter_input_array() \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac \u09a4\u09bf\u09a8\u099f\u09be GET variables \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u098f\u0987 \u09a4\u09bf\u09a8\u099f\u09bf \u09b9\u09b2 \u09a8\u09be\u09ae, \u09ac\u099b\u09b0 , \u0987\u09ae\u09c7\u0987\u09b2\u0964<\/p>\n
\n< ?php\r\n $filters = array\r\n (\r\n \"name\" => array\r\n (\r\n \"filter\"=>FILTER_SANITIZE_STRING\r\n ),\r\n \"age\" => array\r\n (\r\n \"filter\"=>FILTER_VALIDATE_INT,\r\n \"options\"=>array\r\n (\r\n \"min_range\"=>1,\r\n \"max_range\"=>120\r\n )\r\n ),\r\n \"email\"=> FILTER_VALIDATE_EMAIL\r\n );<\/pre>\n$result = filter_input_array(INPUT_GET, $filters);<\/pre>\nif (!$result[\"age\"]) {\r\n echo(\"Age must be a number between 1 and 120.\r\n\");\r\n } elseif(!$result[\"email\"]) {\r\n echo(\"E-Mail is not valid.\r\n\");\r\n } else {\r\n echo(\"User input is valid\");\r\n }\r\n ?><\/pre>\n
\n\u09a8\u09c7\u09ae \u0987\u09a8\u09aa\u09c1\u099f \u09ab\u09bf\u09b2\u09cd\u09a1 \u098f\u0995\u099f\u09bf array \u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b0\u09be\u0996\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u098f\u09ac\u0982 \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u09b8\u09c7\u099f \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u0964 \u098f\u09b0\u09aa\u09b0 \u09af\u09c7 array \u0997\u09c1\u09b2\u09cb \u09b8\u09c7\u099f \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u09a4\u09be\u09a6\u09c7\u09b0\u0995\u09c7 filter_input_array() \u09ab\u09be\u0982\u09b6\u09a8 \u098f\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0997\u09c7\u099f \u09ae\u09c7\u09a5\u09a1 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a1\u09be\u0995\u09be \u09b9\u09ac\u09c7\u0964 \u098f\u09b0\u09aa\u09b0 \u0987\u09a8\u09aa\u09c1\u099f\u09b6 \u0997\u09c1\u09b2\u09cb \u09ac\u09c8\u09a7 \u0995\u09bf\u09a8\u09be \u09a4\u09be \u099a\u09c7\u0995 \u0995\u09b0\u09ac\u09c7\u0964<\/p>\n
<\/p>\n
Filter Callback<\/h2>\n
filter_callback \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u0987\u0989\u099c\u09be\u09b0 defined \u0995\u09b0\u09be \u09b8\u09ae\u09cd\u09ad\u09ac\u0964 \u09b8\u09c7\u0987 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u0986\u09ae\u09be\u09a6\u09c7\u09b0 \u09a1\u09be\u099f\u09be filtering \u098f \u09aa\u09c2\u09b0\u09cd\u09a3 \u09a8\u09bf\u09df\u09a8\u09cd\u09a4\u09cd\u09b0\u09a3 \u09a5\u09be\u0995\u09ac\u09c7\u0964 \u09a8\u09bf\u099a\u09c7\u09b0 \u0989\u09a7\u09be\u09b9\u09b0\u09a3\u099f\u09bf\u09a4\u09c7 \u0986\u09ae\u09b0\u09be user created \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u099b\u09bf \u09b8\u0995\u09b2 “_” \u09a5\u09c7\u0995\u09c7 whitespace \u098f \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af\u0964<\/p>\n
\n< ?php\r\n function convertSpace($string) {\r\n return str_replace(\"_\", \" \", $string);\r\n }<\/pre>\n$string = \"Peter_is_a_great_guy!\";<\/pre>\necho filter_var($string, FILTER_CALLBACK,\r\n array(\"options\"=>\"convertSpace\"));\r\n ?><\/pre>\n
\n <\/p>\n
\u098f\u09b0 \u09ab\u09b2\u09be\u09ab\u09b2 \u0986\u09b8\u09ac\u09c7<\/p>\n
Peter is a great guy!<\/p>\n
<\/p>\n
\u0989\u09aa\u09dc\u09c7\u09b0 \u0989\u09a7\u09be\u09b0\u09a3\u099f\u09bf\u09a4\u09c7 \u09b8\u0995\u09b2 “_” \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 whitespace \u098f \u098f\u09ac\u0982 filter_var() \u09ab\u09be\u0982\u09b6\u09a8 \u0995\u09c7 \u0995\u09b2 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 FILTER_CALLBACK \u09a6\u09cd\u09ac\u09be\u09b0\u09be<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0985\u09a8\u09bf\u09b0\u09be\u09aa\u09a6 \u0989\u09ce\u09b8 \u09a5\u09c7\u0995\u09c7 \u09a1\u09be\u099f\u09be\u0995\u09c7 \u09ac\u09c8\u09a7 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0986\u09ae\u09b0\u09be \u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a5\u09be\u0995\u09bf\u0964 \u0993\u09df\u09c7\u09ac \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09be\u09a8 \u098f\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u098f\u0995\u099f\u09bf \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09a4 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09ac\u09bf\u09b7\u09df\u0964 \u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 extension \u09ac\u09be\u09a8\u09be\u09a8\u09cb \u09b9\u09df\u09c7\u099b\u09c7 \u09a1\u09be\u099f\u09be\u0995\u09c7 \u0996\u09c1\u09ac \u09b8\u09b9\u099c\u09c7 \u098f\u09ac\u0982 \u09a4\u09be\u09b0\u09be\u09a4\u09be\u09b0\u09bf \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af\u0964 \u0995\u09c7\u09a8 \u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df \u09aa\u09cd\u09b0\u09be\u09df \u09b8\u09ac \u0993\u09df\u09c7\u09ac \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09be\u09a8 \u09ac\u09be\u0987\u09b0\u09c7\u09b0 \u0987\u09a8\u09aa\u09c1\u099f \u098f\u09b0 \u0989\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09b6\u09c0\u09b2\u0964 \u09af\u09be \u098f\u0995\u099c\u09a8 \u0987\u0989\u099c\u09be\u09b0 \u09ac\u09be … <\/p>\n
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