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<?php $data = [ "", "2", "22", "223", "2233", "22334", "223344", "2233444", "22334455" ]; $pattern = '/\S\S\K(?=\S\S)/'; foreach ($data as $item) { var_export(preg_split($pattern, $item)); }
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
array ( 0 => '', )array ( 0 => '2', )array ( 0 => '22', )array ( 0 => '223', )array ( 0 => '22', 1 => '33', )array ( 0 => '22', 1 => '334', )array ( 0 => '22', 1 => '33', 2 => '44', )array ( 0 => '22', 1 => '33', 2 => '444', )array ( 0 => '22', 1 => '33', 2 => '44', 3 => '55', )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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71.8 ms | 407 KiB | 5 Q