<?php
$digits = 10;
foreach([7887.0000000000000000, 8667887.0000000000000000, 0.0786451, 1.0786451] as $lastPrice) {
$price = number_format($lastPrice, 16, '.', '');
$price = ltrim($price, '-');
$price = rtrim($price, '0');
list($d, $s) = explode('.', $price);
var_dump($price);
var_dump([$d, $s]);
if ($d !== '0') {
$round = $digits - strlen($d);
} else {
$round = $digits + strlen($s) - strlen(ltrim($s, '0'));
}
var_dump($round);
}
return;
foreach ([7887.0000000000000000, 0.0786451] as $price) {
$maxDigits = 5;
$log = floor(round(log($price) / M_LN10, 10));
var_dump($log);
var_dump((10 ** ($maxDigits - $log)));
}
- Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- string(5) "7887."
array(2) {
[0]=>
string(4) "7887"
[1]=>
string(0) ""
}
int(6)
string(8) "8667887."
array(2) {
[0]=>
string(7) "8667887"
[1]=>
string(0) ""
}
int(3)
string(9) "0.0786451"
array(2) {
[0]=>
string(1) "0"
[1]=>
string(7) "0786451"
}
int(11)
string(18) "1.0786450999999999"
array(2) {
[0]=>
string(1) "1"
[1]=>
string(16) "0786450999999999"
}
int(9)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
string(5) "7887."
array(2) {
[0]=>
string(4) "7887"
[1]=>
string(0) ""
}
int(6)
string(8) "8667887."
array(2) {
[0]=>
string(7) "8667887"
[1]=>
string(0) ""
}
int(3)
string(9) "0.0786451"
array(2) {
[0]=>
string(1) "0"
[1]=>
string(7) "0786451"
}
int(11)
string(18) "1.0786450999999999"
array(2) {
[0]=>
string(1) "1"
[1]=>
string(16) "0786450999999999"
}
int(9)
preferences:
172.04 ms | 402 KiB | 192 Q