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@ 2017-10-12T07:57:17Z

<?php

$testing_string = "OFFER_TYPE_1";
var_dump(strpos($field, 'OFFER_URL_ENG'));
$array = explode("_", $testing_string);
var_dump($array);
$index = intval(end($array))-1; //array index start from 0, while for user readability index starts at 1
unset($array[key($array)]);
echo implode("_", $array);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
strpos: documentation ( source)
end: documentation ( source)
implode: documentation ( source)
explode: documentation ( source)
key: documentation ( source)

preferences:dark modelive preview

51.37 ms | 402 KiB | 5 Q