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<?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 for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $field in /in/XnOEc on line 4 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/XnOEc on line 4 bool(false) array(3) { [0]=> string(5) "OFFER" [1]=> string(4) "TYPE" [2]=> string(1) "1" } OFFER_TYPE
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $field in /in/XnOEc on line 4 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/XnOEc on line 4 bool(false) array(3) { [0]=> string(5) "OFFER" [1]=> string(4) "TYPE" [2]=> string(1) "1" } OFFER_TYPE
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $field in /in/XnOEc on line 4 bool(false) array(3) { [0]=> string(5) "OFFER" [1]=> string(4) "TYPE" [2]=> string(1) "1" } OFFER_TYPE
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: field in /in/XnOEc on line 4 bool(false) array(3) { [0]=> string(5) "OFFER" [1]=> string(4) "TYPE" [2]=> string(1) "1" } OFFER_TYPE
Output for 7.3.32 - 7.3.33
bool(false) array(3) { [0]=> string(5) "OFFER" [1]=> string(4) "TYPE" [2]=> string(1) "1" } OFFER_TYPE

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