3v4l.org

run code in 300+ PHP versions simultaneously

@ 2023-09-26T19:54:37Z

<?php

ini_set('precision', 19);
ini_set('serialize_precision', 19);
$int = '0';
$z5 = $int . '.5';

$float = 2.5;
$float = 0.49999999999999994;
//$float = 0.156;
//$float = 0.00000000000000001;
//$float = 4503599627370495.5;
//$float = 9007199254740991.0;
//$float = 2.0;
$copy = $float;
$flstr = '+' . $copy . '';
$sign = trim($flstr, '.,0123456789');
$sign = strtr($sign, array('+' => ''));
$int = (int) $float;
$z5 = $int . '.5';

$tmp_value = $float;
if($float > 0.0) {
$nrnd1 = $float + 0.5;
$nrnd2 = $float - 0.5;
$rrnd = $nrnd2 + 0.5;
if($rrnd == $float && $nrnd2 != $float) {
$tmp_value = $nrnd1;
} else {
echo 'No';
}
} else {
$nrnd1 = 0.5 - $float;
if(0.5 - $nrnd1 == $float) {
$tmp_value = $float - 0.5;
}
}

$zn = -0.1 * 0.0;

var_dump($nrnd2, $tmp_value, -0.0 - 0.5, $float - 0.5);
//ini_set('serialize_precision', 2);
var_dump($float, 0.5 - $float, $float - 0.5, round($float));

Output for git.master, git.master_jit: /bin/php-git-master: error while loading shared libraries: libonig.so.5: cannot open shared object file: No such file or directory
Process exited with code 127.
Output for rfc.property-hooks: float(-5.551115123125782702E-17) float(1) float(-0.5) float(-5.551115123125782702E-17) float(0.4999999999999999445) float(5.551115123125782702E-17) float(-5.551115123125782702E-17) float(1)

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive previewkey bindings

96.14 ms | 407 KiB | 5 Q