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      Find whether the type of a variable is string

      is_string

      (PHP 4, PHP 5)

      is_string — Find whether the type of a variable is string

      Description

      bool is_string ( mixed $var )

      Finds whether the type given variable is string.

      Parameters

      var

      The variable being evaluated.

      Return Values

      Returns TRUE if var is of type string, FALSE otherwise.

      Examples

      Example #1 is_string() example

      <?php
      if (is_string("23")) {
       echo 
      "is string\n";
      } else {
       echo 
      "is not an string\n";
      }
      var_dump(is_string('abc'));
      var_dump(is_string("23"));
      var_dump(is_string(23.5));
      var_dump(is_string(true));
      ?>

      The above example will output:

      is string
      bool(true)
      bool(true)
      bool(false)
      bool(false)
      


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