SplString (class)
Introduction
(PECL spl_types >= 0.1.0)
The SplString class is used to enforce strong typing of the string type.
Class synopsis
SplString extends SplType {
/* Constants */
const string __default = '' ;
/* Inherited methods */
SplType::__construct ([ mixed $initial_value [, bool $strict ]] )}
Predefined Constants
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← SplBool
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