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<?php $array = []; $lastChar = null; foreach (str_split('10001101') as $char) { if ($char !== $lastChar) { unset($ref); $array[] = &$ref; $ref = $char; $lastChar = $char; } else { $ref .= $char; } } var_export($array);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 0 => '1', 1 => '000', 2 => '11', 3 => '0', 4 => '1', )
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 ( 0 => '1', 1 => '000', 2 => '11', 3 => '0', 4 => '1', )
preferences:
147.16 ms | 402 KiB | 154 Q