<?php
function convertFloat($float)
{
$float = strtolower((string)$float);
$expPos = strpos($float, 'e');
if ($expPos === false) {
return (string)(float)$float;
}
$beforeDot = '0'; // Well, fuck you my English.
$afterDot = ''; // ^^
$numberWithoutPrecision = substr($float, 0, $expPos);
$exp = (int)substr($float, $expPos + 1, strlen($float));
if ($exp === 0) {
return '1';
}
$dotPos = strpos($numberWithoutPrecision, '.');
if ($dotPos === false) {
$beforeDot = $numberWithoutPrecision;
} else {
$beforeDot = substr($numberWithoutPrecision, 0, $dotPos);
$afterDot = substr($numberWithoutPrecision, $dotPos + 1, strlen($numberWithoutPrecision));
$afterDot = rtrim($afterDot, '0');
}
$beforeDot = ltrim($beforeDot, '0');
if ($exp < 0) {
$exp = -$exp;
$len = strlen($beforeDot);
if ($len <= $exp) {
return '0.'.str_repeat('0', $exp - $len).$beforeDot.$afterDot;
} else {
return substr($beforeDot, 0, $len - $exp).'.'.substr($beforeDot, $len - $exp, $len).$afterDot;
}
} else {
$len = strlen($afterDot);
if ($len <= $exp) {
return $beforeDot.$afterDot.str_repeat('0', $exp - $len);
} else {
return $beforeDot.substr($afterDot, 0, $exp).'.'.substr($afterDot, $exp, $len);
}
}
}
//var_dump(convertFloat('11111111111111111111111111111111111111111111111111111111111112e-60'));
var_dump(convertFloat('-1.'));
- 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 - 5.6.38, 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- string(2) "-1"
preferences:
304.87 ms | 405 KiB | 454 Q