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<?php declare(strict_types = 1); $data = [ 'c1' => 12, 'rasd' => 13, 'c34' => 15, ]; foreach ($data as $key => $value) { $match = []; if (false === preg_match('/^c(\d+)$/', $key, $match) || empty($match)) { continue; } var_dump($key); var_dump($value); }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
string(2) "c1" int(12) string(3) "c34" int(15)
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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169.6 ms | 407 KiB | 5 Q