php man page for splstring

SPLSTRING(3)								 1							      SPLSTRING(3)

The SplString class

INTRODUCTION
	The SplString class is used to enforce strong typing of the string type.

CLASS SYNOPSIS
       SplString

       SplStringextends
       SplType

       Constants

       o const string$SplString::__default''

       Inherited methods

       o

	 SplType::__construct ([mixed  $initial_value], [bool  $strict])

PREDEFINED CONSTANTS
	      o SplString::__default -

EXAMPLES
       Example #1

	      SplString usage example

	      <?php
	      $string = new SplString("Testing");

	      try {
		  $string = array();
	      } catch (UnexpectedValueException $uve) {
		  echo $uve->getMessage() . PHP_EOL;
	      }

	      var_dump($string);
	      echo $string; // Outputs "Testing"
	      ?>

	      The above example will output:

	      Value not a string
	      object(SplString)#1 (1) {
		["__default"]=>
		string(7) "Testing"
	      }
	      Testing

PHP Documentation Group 													      SPLSTRING(3)