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run code in 200+ php & hhvm versions
Bugs & Features
<?php $m = 'adcampaign_adcampaign01_id'; echo str_replace("@{$m}", '213', "budget_percent.@{adcampaign_adcampaign01_id}");
Output for 4.3.0 - 7.2.0
budget_percent.@{adcampaign_adcampaign01_id}