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<?php $input = [ "prefix1 foo", "prefix2 bar", "prefix1 aaa", "prefix2 bbb", "prefix3 ccc", "prefix1 111", "prefix2 222" ]; $prefixes = ['prefix1', 'prefix2', 'prefix3']; $output = array(); $lastidx = count($prefixes); foreach ($input as $item) { list($prefix, $value) = explode(' ', $item); $index = array_search($prefix, $prefixes); if ($index < $lastidx) $output[] = array(); $output[count($output)-1][$prefix] = $value; $lastidx = $index; } print_r($output);
Output for 5.6.38, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [prefix1] => foo [prefix2] => bar ) [1] => Array ( [prefix1] => aaa [prefix2] => bbb [prefix3] => ccc ) [2] => Array ( [prefix1] => 111 [prefix2] => 222 ) )
preferences:
105.59 ms | 1696 KiB | 4 Q