@ 2014-02-20T15:41:57Z <?php
function convertFloat($float)
{
$float = strtolower((string)$float);
$expPos = strpos($float, 'e');
if ($expPos === false) {
return $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.e0'));
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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 , 5.5.24 - 5.5.35 , 5.6.7 - 5.6.28 , 7.0.0 - 7.0.20 , 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 - 8.1.27 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.4 , 8.3.6 string(1) "1"
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(1) "1"
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220.26 ms | 401 KiB | 357 Q