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Add polyfill for spl_object_id

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muglug committed Nov 25, 2019
1 parent 1add42b commit ae10e6c13028bef1fd094c6e1174b4e817cfdbef
Showing with 54 additions and 1 deletion.
  1. +2 −1 composer.json
  2. +52 −0 src/spl_object_id.php
@@ -32,7 +32,8 @@
"Psalm\\": "src/Psalm"
},
"files": [
"src/functions.php"
"src/functions.php",
"src/spl_object_id.php"
]
},
"autoload-dev": {
@@ -0,0 +1,52 @@
<?php declare(strict_types=1);
/**
* PHP Polyfill for spl_object_id() for PHP <= 7.1
* This file will be included even in releases which will analyze PHP 7.2,
* there aren't any major compatibilities preventing analysis of PHP 7.2 from running in PHP 7.1.
*/
if (!function_exists('spl_object_id')) {
if (function_exists('runkit_object_id') &&
!(new ReflectionFunction('runkit_object_id'))->isUserDefined()) {
/**
* See https://github.com/runkit7/runkit_object_id for a faster native version for php <= 7.1
*
* @param object $object
* @return int The object id
*/
function spl_object_id($object) : int
{
return runkit_object_id($object);
}
} elseif (PHP_INT_SIZE === 8) {
/**
* See https://github.com/runkit7/runkit_object_id for a faster native version for php <= 7.1
*
* @param object $object
* @return int (The object id, XORed with a random number)
*/
function spl_object_id($object) : int
{
$hash = spl_object_hash($object);
// Fit this into a php long (32-bit or 64-bit signed int).
// The first 16 hex digits (64 bytes) vary, the last 16 don't.
// Values are usually padded with 0s at the front.
return intval(substr($hash, 1, 15), 16);
}
} else {
/**
* See https://github.com/runkit7/runkit_object_id for a faster native version for php <= 7.1
*
* @param object $object
* @return int (The object id, XORed with a random number)
*/
function spl_object_id($object) : int
{
$hash = spl_object_hash($object);
// Fit this into a php long (32-bit or 64-bit signed int).
// The first 16 hex digits (64 bytes) vary, the last 16 don't.
// Values are usually padded with 0s at the front.
return intval(substr($hash, 9, 7), 16);
}
}
}

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