3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $clasa = 'HHH'; $length = '100'; $width = 200; $depth = 300; $string1 = '{{clasa}}{{length}}{{width}}'; $string2 = '{{clasa}}{{lenght}}{{depth}}'; $string3 = '{{clasa}}_word{{lenght}},anything{{depth}}'; //$new1 = preg_replace('/{{([a-zA-Z\_\-]*?)}}/', ${'"$1"'}, $string1); $new1 = preg_replace_callback("/{{([a-zA-Z\_\-]*?)}}/", function($m){ global ${$m["1"]}; return ${$m["1"]}; }, $string1); echo $new1;
based on Xjvag
Output for 5.5.0 - 7.3.1
HHH100200