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<?php $arr = [ 65 => [ ["p" => 234, "sp" => 234], ["p" => 53, "sp" => 5], ["p" => 530, "sp" => 5], ] ]; $col = 'p'; // set the column you want to order on $column = array_column($arr[65], $col); array_multisort($column, SORT_ASC, $arr[65]); // SORT_ASC or SORT_DESC $arr[65] = $arr[65][0]; // only keep the record with lowest 'p' value var_dump($arr);
Output for 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(1) { [65]=> array(2) { ["p"]=> int(53) ["sp"]=> int(5) } }
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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178.14 ms | 407 KiB | 5 Q