PHP将英文数字转换为阿拉伯数字实例讲解

<?php
function word_digit($word) {
 $warr = explode(';',$word);
 $result = '';
 foreach($warr as $value){
  switch(trim($value)){
   case 'zero':
    $result .= '0';
    break;
   case 'one':
    $result .= '1';
    break;
   case 'two':
    $result .= '2';
    break;
   case 'three':
    $result .= '3';
    break;
   case 'four':
    $result .= '4';
    break;
   case 'five':
    $result .= '5';
    break;
   case 'six':
    $result .= '6';
    break;
   case 'seven':
    $result .= '7';
    break;
   case 'eight':
    $result .= '8';
    break;
   case 'nine':
    $result .= '9';
    break;
  }
 }
 return $result;
}
 
echo word_digit("zero;three;five;six;eight;one")."\n";
echo word_digit("seven;zero;one")."\n";