Syntax: string chr ( int $ascii ) Description: Returns a one-character string containing the character specified by ascii.
Example 1
<?php $str="hai".chr(32)."how".chr(32)."are".chr(32)."you"; echo $str; ?>
OUTPUT
hai how are you
Example 2
<?php echo sprintf("1*1=%c", 49); echo '<br/>'; echo sprintf("1*2=%c", 50); ?>
OUTPUT
1*1=1 1*2=2