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<?php $arr=array(1100,3150,4430,4430,5170,7450,7450,7450,8230); $out = array($arr[0]); for ($i = 1; $i < count($arr); $i++) { $out[$i] = $out[$i-1] + $arr[$i]; } $arr = array_combine($out, $arr); print_r($arr);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.5.1
Array ( [1100] => 1100 [4250] => 3150 [8680] => 4430 [13110] => 4430 [18280] => 5170 [25730] => 7450 [33180] => 7450 [40630] => 7450 [48860] => 8230 )
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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