<?php
$value = 15;
$highMap = 0xffffffff00000000;
$lowMap = 0x00000000ffffffff;
$higher = ($value & $highMap) >>32;
$lower = $value & $lowMap;
$packed = pack('NN@64', $higher, $lower);
list($higher, $lower) = array_values(unpack('N2', $packed));
$originalValue = $higher << 32 | $lower;
var_dump($originalValue);
var_dump($originalValue == $value);
- Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- Deprecated: Implicit conversion from float 1.8446744069414584E+19 to int loses precision in /in/MV9UQ on line 5
int(15)
bool(true)
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
- int(15)
bool(true)
preferences:
311.74 ms | 404 KiB | 455 Q