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<?php $tests = [ '28{8}17{7}15{9}19[1]', '28{8}17{7}15[1]', '28{8}17[1]', '28[1]', '28{8}17[1', ]; foreach($tests as $test) { if (!preg_match_all('~^\d+(?=.+\[\d+]$)|\G(?!^)(?:{\K\d+}\d+|\[\K\d(?=]$))~', $test, $m)) { echo "invalid input"; } else { var_export( [ 'id' => array_shift($m[0]), 'quantity' => array_pop($m[0]), 'options' => array_reduce( $m[0], function($result, $string) { [$key, $result[$key]] = explode('}', $string, 2); return $result; }, [] ) ] ); } echo "\n---\n"; }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13
array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', 7 => '15', 9 => '19', ), ) --- array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', 7 => '15', ), ) --- array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', ), ) --- array ( 'id' => '2', 'quantity' => NULL, 'options' => array ( ), ) --- invalid input ---
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 array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', 7 => '15', 9 => '19', ), ) --- array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', 7 => '15', ), ) --- array ( 'id' => '28', 'quantity' => '1', 'options' => array ( 8 => '17', ), ) --- array ( 'id' => '2', 'quantity' => NULL, 'options' => array ( ), ) --- invalid input ---
preferences:
153.55 ms | 409 KiB | 5 Q