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@ 2014-08-04T03:56:18Z

<?php

$input='46.99';
$floor=floor($input);
$tens=round($input,-1);
echo $floor.' '.$tens."\n";

function getClosest($search, $arr) {
   $closest = null;
   foreach($arr as $item) {
      if($closest == null || abs($search - $closest) > abs($item - $search)) {
         $closest = $item;
      }
   }
   return $closest;
}

function roundToValues( $search, array $arr ) {
    $differences = array();
    foreach( $arr as $item) {
        $differences[ $item ] = abs($item - $search);
    }
    return array_search(min($differences), $differences);
}

$array = array(
    '0',
    '20'  => '0-20',
    '50'  => '20-50',
    '100' => '50-100',
    '200' => '100-200',
    '500' => '200-500',
);
print_r($array);

echo getCloser($input,$array);

echo roundToValues($input,$array);

Output for git.master, git.master_jit, rfc.property-hooks: 46 50 Array ( [0] => 0 [20] => 0-20 [50] => 20-50 [100] => 50-100 [200] => 100-200 [500] => 200-500 ) Fatal error: Uncaught Error: Call to undefined function getCloser() in /in/hmc9s:36 Stack trace: #0 {main} thrown in /in/hmc9s on line 36
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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