php program which reads the contents of the file and then print the Number of words, Number of chars, Number of spaces, Number of special chars, Number of digits.

 <?php  
 $datas = (file("test.txt"));  
 $word_count = 0;  
 $character_count = 0;  
 $spaces_count = 0;  
 $splchars_count = 0;  
 $digits_count = 0;  
 foreach ($datas as $array => $data) {  
   //word count  
   $word_count += str_word_count($data);  
   //character count  
   $character_count += strlen($data);  
   //spl character count  
   $spl = str_split($data);  
   foreach ($spl as $bit) {  
     if (preg_match('/[\'^£$%&*()}{@#~?><>,|=_+¬-]/', $bit)) {  
       $splchars_count += 1;  
     }  
   }  
   //numbers count  
   $num = str_split($data);  
   foreach ($num as $bit) {  
     if (preg_match('!\d+!', $bit)) {  
       $digits_count += 1;  
     }  
   }  
 }  
 $spaces_count = $word_count - 1;  
 $character_count -= $spaces_count;  
 echo 'word_count = ' . $word_count;  
 echo '--';  
 echo 'character_count = ' . $character_count;  
 echo '--';  
 echo 'spaces_count = ' . $spaces_count;  
 echo '--';  
 echo 'special_chara_count = ' . $splchars_count;  
 echo '--';  
 echo 'digits_count = ' . $digits_count;  
 ?>