To count the total number of characters in the given string.
we will use count_chars() funtion
count_chars — Return information about characters used in a string
Return Values
Depending on mode count_chars() returns one of the following:
- 0 – an array with the byte-value as key and the frequency of every byte as value.
- 1 – same as 0 but only byte-values with a frequency greater than zero are listed.
- 2 – same as 0 but only byte-values with a frequency equal to zero are listed.
- 3 – a string containing all used byte-values cheapest is returned.
- 4 – a string containing all not used byte-values is returned.
<?php
$data = "Two Ts and one F.";
foreach (count_chars($data, 1) as $i => $val) {
echo “There were $val instance(s) of \”" , chr($i) , “\” in the string.\n”;
}
?> The above example will output:
There were 4 instance(s) of " " in the string. There were 1 instance(s) of "." in the string. There were 1 instance(s) of "F" in the string. There were 2 instance(s) of "T" in the string. There were 1 instance(s) of "a" in the string. There were 1 instance(s) of "d" in the string. There were 1 instance(s) of "e" in the string. There were 2 instance(s) of "n" in the string. There were 2 instance(s) of "o" in the string. There were 1 instance(s) of "s" in the string. There were 1 instance(s) of "w" in the string.
Comments