PHP: How can I remove from String the last word?

Question

How can I remove, with PHP, the last word from a String?

For example the string \"Hi, I\'m Gian Marco\" would become \"Hi, I\'m Gian\".

Answer 1

You can do it with regular expression. (see answer of Ahmed Ziani.)

However, in PHP you can also do it using some inbuilt function. see the code below

$text = "Hi, I'm Gian Marco";
$last_space_position = strrpos($text, ' ');
$text = substr($text, 0, $last_space_position);
echo $text;

Answer 2

The regular exprerssion can cause issues when the string has special characters. Why not simply go with this:

$input = "Hi, I'm Gian Marco";
$output = substr($input, 0, strrpos($input, " "));
echo $output;

Answer 3

This code may help you :

$str="Hi, I'm Gian Marco";

$split=explode("",$str);
$split_rem=array_pop($split);
foreach ($split as $k=>$v)
{
   echo $v.'';
}

Answer 4

The current solution is ok if you do not know the last word and the string length is short.

In case you do know it, for instance when looping a concat string for a query like this:

        foreach ($this->id as $key => $id) {
            $sql.=' id =' . $id . ' OR ';
        }

A better solution:

        $sql_chain = chop($sql_chain," OR ");

Be aware that preg_replace with a regex is VERY slow with long strings. Chop is 100 times faster in such case and perf gain can be substantial.

Answer 5

check this

 <?php
$str ='"Hi, I\'m Gian Marco" will be "Hi, I\'m Gian"';
$words = explode( " ", $str );
array_splice( $words, -1 );

echo implode( " ", $words );
?>

source : Remove last two words from a string

Answer 6

try with this :

$txt = "Hi, I'm Gian Marco";
$str= preg_replace('/\W\w+\s*(\W*)$/', '$1', $txt);
echo $str

out put

Hi, I'm Gian