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run code in 200+ php & hhvm versions
Bugs & Features
<?php function template($template, $vals) { $matches = array(); $regex = "/\{\{(\S+)\}\}/e"; $rendered = $template; // in case no matches are found preg_match_all($regex, $template, $matches, PREG_OFFSET_CAPTURE, 3); foreach ($matches[0] as $found) { $block = $found[0]; $offset = $found[0]; $k = str_replace('{{', '', $block); $k = str_replace('}-}', '', $k); $rendered = preg_replace($regex, '$vals[\\1]', $template); } return $rendered; } function template2($template, $vals) { $matches = array(); $regex = "/\{\{(\S+)\}\}"; $rendered = $template; // in case no matches are found preg_match_all($regex, $template, $matches, PREG_OFFSET_CAPTURE, 3); foreach ($matches[0] as $found) { $block = $found[0]; $offset = $found[0]; $k = str_replace('{{', '', $block); $k = str_replace('}-}', '', $k); $rendered = preg_replace_callback($regex, function($matches) { return $matches[0]; }, $template); } return $rendered; } $template = "test {{ME}}."; $vals = array('ME' => 'beep'); echo template2($template, $vals);
based on hUhbW
Output for 5.3.20 - 7.2.0
Warning: preg_match_all(): No ending delimiter '/' found in /in/BcZDq on line 30 Notice: Undefined offset: 0 in /in/BcZDq on line 32 Warning: Invalid argument supplied for foreach() in /in/BcZDq on line 32 test {{ME}}.