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<?php $strings = [ "ch-1268312613-photo.jpg", "foo.inc.php", ".htaccess", "no_ext", ]; var_export( preg_replace( '~^[^.]*\K\.~', '_thumb.', $strings ) );
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => 'ch-1268312613-photo_thumb.jpg', 1 => 'foo_thumb.inc.php', 2 => '_thumb.htaccess', 3 => 'no_ext', )
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 array ( 0 => 'ch-1268312613-photo_thumb.jpg', 1 => 'foo_thumb.inc.php', 2 => '_thumb.htaccess', 3 => 'no_ext', )
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96.05 ms | 1350 KiB | 4 Q