php如何实现数值转十进制

这篇文章主要介绍"php如何实现数值转十进制"，在日常操作中，相信很多人在php如何实现数值转十进制问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答"php如何实现数值转十进制"的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

php实现数值转十进制的方法：1、创建一个PHP示例文件；2、通过"function show_convert_to_base_10 ($number, $base){...}"方法将任意进制的数转换成十进制即可。

本文操作环境：windows7系统、PHP7.1版、DELL G3电脑

php怎么实现数值转十进制？

php实现将任意进制数转换成10进制的方法

具体如下：

php将任意进制的数转换成10进制，例如8进制转换成10进制，16进制转换成10进制

Convert the base $base number $number to a  base 10 number:
";  print "Convert the integer component ($integer) of the   number:
"; // Compute the value of the integer component // Loop through the integer digit by digit // Reverse the number for easier handling $integer = strrev ($integer); $length = strlen ($integer); for ($pos = 0; $pos < $length; ++$pos) {  /*   PHP lets you treat strings and numbers like arrays   Specify an offset and get the character at that   position  */   $digit = $integer[$pos];  // Handle character values for digits  // (for bases greater than 10)  if (eregi ('[a-z]', $digit))  {   $digit_value =     (ord (strtolower ($digit))     - ord ('a')) + 10;    $digit = "$digit ($digit_value)";  }  else  {   $digit_value = $digit;  }  // Multiply the current digit by the radix  // raised to the power of the current position  $result = $digit_value * pow ($base, $pos);   print "Multiply the value of the digit at position    $pos by the value of the radix ($base) raised    to the power of the position ($pos):
";   print "$digit * $base$pos = $result    

";   $sums[] = $result; } print '
'; if (isset ($decimal)) {   print "Convert the decimal component (0.$decimal)   of the number:
";  // Pad the number with a leading 0 so that we can  // start at position 1  $decimal = '0'.$decimal;  $length = strlen ($decimal);   for ($pos = 1; $pos < $length; ++$pos) {   $digit = $decimal[$pos];   // Handle character values for digits   // (for bases greater than 10)   if (eregi ('[a-z]', $digit))   {     $digit_value =     (ord (strtolower ($digit))     - ord ('a')) + 10;      $digit = "$digit ($digit_value)";   }   else   {     $digit_value = $digit;   }   // Multiply the current digit by the radix   // raised to the power of the current position   $result = $digit_value * pow (1/$base, $pos);    print "Multiply the value of the digit at    position $pos by the value of the 1/radix    ($base) raised to the power of the position    ($pos):
";    print "$digit * 1/$base$pos =    $result

";    $sums[] = $result;  }  print '
'; } $sums = implode (' + ', $sums); eval ("\$base_10_value = $sums;");  print "
The value of the base $base number  $number in base 10 is $base_10_value. 
";  print "This number is derived from the sum of the values  of the previous operations ($sums). 
 
";}

到此，关于"php如何实现数值转十进制"的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注网站，小编会继续努力为大家带来更多实用的文章！