chop

Example 1190. Remove trailing whitespace with chop()

<?php
$string = "\t\tReckon or ask bird?\t\t";
echo "Original string: '$string'\n",
     "chop()'d string: '", chop($string), "'";
?>

Output:
Original string: '        Reckon or ask bird        '
chop()'d string: '        Reckon or ask bird'

Example 1191. Simulate Perl's chop() function

<?php
// Placing & in front of the argument makes it passed by reference
// This lets us simulate Perl's chop() - we operate directly on the variable,
// removing the last character from the variable and returning it.
function perl_chop(&$string) {
    $last_char = substr($string, -1);
    $string    = substr($string, 0, -1);
    return $last_char;
}

$word = 'food';

echo "$word\n";

// Call perl_chop() and display the character removed from the string
echo perl_chop($word), "\n";

// echo out the shortened version of the string
echo $word, "\n";
?>

Output:
food
d
foo