Online PHP editor | output for bmMNe

@ 2018-07-15T17:55:16Z

<?php
/**
 * Get the decimals value
 * 
 * @param $value
 * @param $min  - min decimals
 * @return int
 */
function get_decimals($value = 0, $min = 2) {
    if ($value === '0.00') {
        return $min;
    }
    for ($i = strlen($value); $i >= $min; $i--) {
        if (strstr($value, '0.'.str_repeat('0', $i), true) !== false) {
            return $i+$min;
        }
    }
    return $min;
}

$values = [
    '0.000000000000000000000000000000000000000000000000000000001', # ¯\_(ツ)_/¯
    '0.002117647058',
    '0.00000000001',
    '2.117647058',
    '999.0',
    '0.1',
    '0.00',
    '0.0',
    '0'
];

foreach ($values as $value) {
    echo number_format($value, get_decimals($value)).PHP_EOL;
}

Output for 5.6.0 - 5.6.40, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: 0.0000000000000000000000000000000000000000000000000000000010 0.0021 0.000000000010 2.12 999.00 0.10 0.00 0.00 0.00
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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