scratch – Rev 87
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<?php
/*
* One important design goal was the principle of the least surprise.
* As PHP is a fully dynamic language with nearly no type-safety, it is common to shoot yourself into the foot because of accidentally mixing up incompatible types.
* We protect you from these programing errors by asserting that every callback functions you supply to the library must return a correctly typed value.
* In addition, every supported aggregate function will throw an exception if you are accidentally mixing up incompatible types.
*
* This means that we made this library totally predictable in what it does, and verified that every function has its defined exceptions
* which are thrown when certain operations fail, or if certain types are not correct.
*
*/
echo "<pre>";
require_once __DIR__ . '/../vendor/autoload.php'; // Autoload files using Composer autoload
use Fusonic\Linq\Linq;
/* Throws an UnexpectedValueException if the
provided callback function does not return a boolean */
Linq::from(array("1", "1"))
->where(function($x) { return "NOT A BOOLEAN"; });
/* Throws an UnexpectedValueException if one of the values
is not convertible to a numeric value:*/
Linq::from(array(1, 2, "Not a numeric value"))
->sum();
Generated by GNU Enscript 1.6.5.90.