<?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).'i';
} else {
return $beforeDot.substr($afterDot, 0, $exp).'.'.substr($afterDot, $exp, $len);
}
}
}
//var_dump(convertFloat('11111111111111111111111111111111111111111111111111111111111112e-60'));
var_dump(convertFloat('+1.'));
preferences:
59.48 ms | 402 KiB | 5 Q