Online PHP editor | output for at03H

@ 2017-07-10T10:09:16Z

<?php
function highlight($text, $words) {
  preg_match_all ( '~[\w\']+~', $words, $m );
  if (! $m)
   return $text;
  $re = '~\\b(' . implode ( '|', $m [0] ) . ')\\b~i';
  return preg_replace ( $re, '<em>$0</em>', $text );
 }
 
 
 $text = "this is Mechanic's test";
$word = "Mechanic's";

echo highlight($text,$word);

$text = 'this is Mechanic"s test';
$word = 'Mechanic"s';
echo "\n".highlight($text,$word);

$text = 'this is Mechanics test';
$word = 'mech';
echo "\n".highlight($text,$word);


 // echo "\n".str_replace($word,"<em>$word</em>",$text) ;

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: this is Mechanic's test this is Mechanic"s test this is Mechanics test
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 this is Mechanic's test this is Mechanic"s test this is Mechanics test

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