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<?php $arr = array( array ('location' => 'X33', 'usernumber' => 1, 'order' => 'XX', 'part_number' => 'Hi' ), array ('location' => 'X33', 'usernumber' => 1, 'order' => 'XX', 'part_number' => '68730' ), array ('location' => 'W33', 'usernumber' => 2, 'order' => 'YY', 'part_number' => '68741' ), array ('location' => 'W33', 'usernumber' => 2, 'order' => 'YY', 'part_number' => 'Hello' ) ); $out = array(); $index = $arr[0]['usernumber']; foreach($arr as $val){ if($index != $val['usernumber']) $index = $val['usernumber']; $out[$index][] = $val; } echo '<pre>'; print_r($out);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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
<pre>Array ( [1] => Array ( [0] => Array ( [location] => X33 [usernumber] => 1 [order] => XX [part_number] => Hi ) [1] => Array ( [location] => X33 [usernumber] => 1 [order] => XX [part_number] => 68730 ) ) [2] => Array ( [0] => Array ( [location] => W33 [usernumber] => 2 [order] => YY [part_number] => 68741 ) [1] => Array ( [location] => W33 [usernumber] => 2 [order] => YY [part_number] => Hello ) ) )
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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