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<?php $arr1 = array('1', '2', '3', '4', '5', '6', '7'); $arr2 = array('a', 'b', 'c', 'd', 'e'); $result = []; foreach($arr1 as $key => $value){ $result[] = $value; if((0 == ($key + 1) % 3) && isset($arr2[($key + 1)/3-1])){ $result[] = $arr2[($key + 1)/3-1]; } } print_r($result);
Output for 7.1.25 - 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => a [4] => 4 [5] => 5 [6] => 6 [7] => b [8] => 7 )
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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138.42 ms | 407 KiB | 5 Q