Wednesday 30 September 2015

count_chars - Count Number of character of string with PHP

count_chars - Count Number of character of string with PHP

mixed count_chars ( string $string [, int $mode = 0 ] )
Return information about characters used in a string
Mode value can have 0-5 and return following results
  1. 0 - Return an array with the byte-value as key and the frequency of every byte as value.
  2. 1 - same as 0 but only byte-values with a frequency greater than zero are listed.
  3. 2 - same as 0 but only byte-values with a frequency equal to zero are listed.
  4. 3 - a string containing all unique characters is returned.
  5. 4 - a string containing all not used characters is returned.



Counts the number of occurrences of every byte-value (0..255) in string and returns it in various ways.

<?php
$data 
"Two Ts and one F.";

foreach (
count_chars($data1) as $i => $val) {
   echo 
"There were $val instance(s) of \"" chr($i) , "\" in the string.\n";
}
?>


065 PHP من الألف إلى الياء Arabic التعامل مع النصوص Strings pt1