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php question ...

Anyone know of a function that will count only the number of letters in a string and only the number of digits in a string?

PHP Code:


		
			
$variable = strlen("TestString");

strlen will return the number of characters in the string

PHP Code:


		
			


<?php



  $str = "00jkjdj0";

  

  $char_count = 0;

  $num_count = 0;

  

  $u_bound = strlen( $str ) - 1;

  

  for( $i = 0 ; $i <= $u_bound ; $i++ ) {

  

    if( is_numeric( $str{ $i } ) ) { $char_count++; } else { $num_count++; }

  

  }

  

  echo $char_count;

  echo $num_count;

  

?>

Sorry. I mixed up my variabless in the following line (unless you want to use $char_count as the number count variable and $num_count as the character count variable :winkwink: ) ...

PHP Code:


		
			
if( is_numeric( $str{ $i } ) ) { $char_count++; } else { $num_count++; }

It should read...

PHP Code:


		
			
if( is_numeric( $str{ $i } ) ) { $num_count++; } else { $char_count++; }

Full code:

PHP Code:


		
			


  $str = "00jkjdj0";

  

  $char_count = 0;

  $num_count = 0;

  

  $u_bound = strlen( $str ) - 1;

  

  for( $i = 0 ; $i <= $u_bound ; $i++ ) {

  

    if( is_numeric( $str{ $i } ) ) { $num_count++; } else { $char_count++; }

  

  }

  

  echo $char_count;

  echo $num_count;

Its cheaper to outsource the job to eager young pakistani counting experts