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<?php $hello = 'Hi'; $name = 'ken'; $replacements = [ 'hello' => 'morning', 'invoiceno' => 1234 ]; $msg = '$hello, $name (JX02), Your Orders $invoiceno has been delivered. $test $123,99 $123.99 Thank you.'; $result = preg_replace_callback('/\$([\w\_-]{1,})/', function ($match) use ($replacements) { return array_key_exists($match[1], $replacements) ? $replacements[$match[1]] : ( isset($GLOBALS[$match[1]]) ? $GLOBALS[$match[1]] : '$'.$match[1] ); }, $msg); echo $result;
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
morning, ken (JX02), Your Orders 1234 has been delivered. $test $123,99 $123.99 Thank you.

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