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<?php $array1 = ['user_firstname' => 'Jack', 'user_lastname' => 'Smith', 'user_address_1' => '123']; $data = []; foreach($array1 as $key=>$value){ $tokens = explode('_', $key, 2); // split the string in an array of strings, using _ as a delimitor. // the 2 is the maximun number of tokens to split the string into, look at explode() docs $keyName = end($keyName); // use last element of the array $data[$keyName] = $value; // assign value to key } print_r($data);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: end(): Argument #1 ($array) must be of type array, null given in /in/9N3X8:11 Stack trace: #0 /in/9N3X8(11): end(NULL) #1 {main} thrown in /in/9N3X8 on line 11
Process exited with code 255.

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