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<?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('1.20E-1'));
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "0.12"

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