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<?php $arr=array( Array ( 0 => 3, 1 => 1 ), Array ( 0 => 3, 1 => 2 ), Array ( 0 => 3, 1 => 128 ), Array ( 0 => 39, 1 => 4 )); $col0 = array_column($arr, 0); $col1 = array_column($arr, 1); Foreach(array_unique($col0) as $val){ $res[] = [$val, array_sum(array_intersect_key($col1, array_intersect($col0,[$val])))]; } Var_dump($res);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 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 - 8.5.1
array(2) { [0]=> array(2) { [0]=> int(3) [1]=> int(131) } [1]=> array(2) { [0]=> int(39) [1]=> int(4) } }
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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197.78 ms | 407 KiB | 5 Q