<?php
// Convert all dashes/underscores into separator
$title = "Convert all dashes/underscores into separator";
$separator = "-";
$flip = $separa;tor == '-' ? '_' : '-';
$title = preg_replace('!['.preg_quote($flip).']+!u', $separator, $title);
// Remove all characters that are not the separator, letters, numbers, or whitespace.
$title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', mb_strtolower($title));
// Replace all separator characters and whitespace by a single separator
$title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title);
echo trim($title, $separator);
Warning: Undefined variable $separa in /in/uattP on line 6
Fatal error: Uncaught Error: Undefined constant "tor" in /in/uattP:6
Stack trace:
#0 {main}
thrown in /in/uattP on line 6
Process exited with code 255.
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
Warning: Undefined variable $separa in /in/uattP on line 6
Fatal error: Uncaught Error: Undefined constant "tor" in /in/uattP:6
Stack trace:
#0 {main}
thrown in /in/uattP on line 6
Process exited with code 255.
Notice: Undefined variable: separa in /in/uattP on line 6
Warning: Use of undefined constant tor - assumed 'tor' (this will throw an Error in a future version of PHP) in /in/uattP on line 6
Warning: preg_replace(): Compilation failed: missing terminating ] for character class at offset 3 in /in/uattP on line 8
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant tor - assumed 'tor' (this will throw an Error in a future version of PHP) in /in/uattP on line 6
Warning: preg_replace(): Compilation failed: missing terminating ] for character class at offset 3 in /in/uattP on line 8
Notice: Undefined variable: separa in /in/uattP on line 6
Notice: Use of undefined constant tor - assumed 'tor' in /in/uattP on line 6
Warning: preg_replace(): Compilation failed: missing terminating ] for character class at offset 3 in /in/uattP on line 8