is

is::mobile

• Name:

  mobile - check whether the user's agent is a computer or a mobile phone

• Synopsis:

  is::mobile()

• Description:

  • transform the user's agent string into lower letters then check if it contains 'mobile', 'android', or 'phone' to determine what agent the user is using

  • is::mobile();//true if user is using a phone

is::empty

• Name:

  empty - Check if anything is empty

• Synopsis:

  is::empty($input)

• Description:

  • accept an array or a string and return a boolean
  • If the user inputs an array, function will check if $_FILES is empty or array as whole is empty or any array item is empty
  • If the user inputs a string, function will check if the string is an empty string

  • is::empty($array_file_or_str);
    //true if []/['','']/''/0 or $_FILES['a_file'] does not exists

  • return false if $in_p is not an array or a string

is::ary

• Name:

  ary - Judge if the input is an array

• Synopsis:

  is::ary($your_array)

• Description:

  • is::ary($array);//true if $array is an array

is::str

• Name:

  str - Judge if the input is a string

• Synopsis:

  is::str($str)

• Description:

  • is::str($str);//true if $str is a string

is::int

• Name:

  int - Judge if the input is an integer

• Synopsis:

  is::int($int)

• Description:

  • is::int($int);//true if $int is an integer

is::float

• Name:

  float - Judge if the input is a float

• Synopsis:

  is::float($float)

• Description:

  • is::float($float);//true if $float is a float

is::regex

• Name:

  regex - check if the input matches a regular expression

• Synopsis:

  is::regex($input)

• Description:

  • is::regex($input);//true if $input is a regular expression

  • return true if the input matches a regular expression and return false otherwise

is::in

• Name:

  in - Check if $part is a part of $full

• Synopsis:

  is::in($part, $full)

• Description:

  • is::in($part,$full);//true if $part is a part of $full

  • accept two parameters and return true if the first parameter is a part of the second parameter
  • If $full is an array, function will loop over $full and check if $part is a part of a value in the array
  • If $full is not an array and $part is a regular expression, function will check if $part and $full perform a regular expresssion match
  • If $full is not an array and $part is not a regular expression, function will assume they are strings and check if $part is a substring of $full

is::url

• Name:

  url - check if any url is in the input string and return the url if ther are any

• Synopsis:

  is::url($url)

• Description:

  • is::url($url)//return the url if true and false if there's no valid url

is::dir

• Name:

  dir - check if the input string has an directory and return the directory if there are any

• Synopsis:

  is::dir($dir)

• Description:

  • is::dir(string $dir)//true if directory exist

is::email

• Name:

  email - check if the input string has an email and return the email if there are any

• Synopsis:

  is::email($email)

• Description:

  • is::email($email);
    //if true, return the email, otherwise return false

is::multi_layer

• Name:

  multi_layer - check if an array is multidimensional

• Synopsis:

  is::multi_layer($array)

• Description:

  • is:: multi_layer([1,2,[3,4],5]);
    //if true array contains arrays