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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = '28_OU'; list ($gatewayId,$gatewayModifier) = explode('_', $a); var_dump($gatewayId,$gatewayModifier);
based on UPdpm
Output for 5.5.0 - 7.3.0rc4
string(2) "28" string(2) "OU"