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<?php function remap($e) { $elements = array( 1 => 'first_name', 2 => 'city', 3 => 'email', 4 => 'phone' ); $key = isset($elements[$e['element_id']]) ? $elements[$e['element_id']]: 'unknown'; return array($key => $e['value']); } $input[] = array('entry_id' => 33, 'element_id' => 1, 'value' => 'Fred'); $input[] = array('entry_id' => 33, 'element_id' => 2, 'value' => 'Phoenix'); $input[] = array('entry_id' => 33, 'element_id' => 3, 'value' => 'fred@test.com'); $input[] = array('entry_id' => 33, 'element_id' => 99, 'value' => 'Something else entirely'); $output = array(); foreach(array_map('remap', $input, $elements) as $key => $value) { $output[$key] = $value; }; var_dump($output);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $elements in /in/nNIpf on line 23 Fatal error: Uncaught TypeError: array_map(): Argument #3 must be of type array, null given in /in/nNIpf:23 Stack trace: #0 /in/nNIpf(23): array_map('remap', Array, NULL) #1 {main} thrown in /in/nNIpf on line 23
Process exited with code 255.
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 $elements in /in/nNIpf on line 23 Fatal error: Uncaught TypeError: array_map(): Argument #3 must be of type array, null given in /in/nNIpf:23 Stack trace: #0 /in/nNIpf(23): array_map('remap', Array, NULL) #1 {main} thrown in /in/nNIpf on line 23
Process exited with code 255.
Output for 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: elements in /in/nNIpf on line 23 Warning: array_map(): Expected parameter 3 to be an array, null given in /in/nNIpf on line 23 Warning: Invalid argument supplied for foreach() in /in/nNIpf on line 23 array(0) { }
Output for 7.3.32 - 7.3.33
Warning: array_map(): Expected parameter 3 to be an array, null given in /in/nNIpf on line 23 Warning: Invalid argument supplied for foreach() in /in/nNIpf on line 23 array(0) { }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Notice: Undefined variable: elements in /in/nNIpf on line 23 Warning: array_map(): Argument #3 should be an array in /in/nNIpf on line 23 Warning: Invalid argument supplied for foreach() in /in/nNIpf on line 23 array(0) { }
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