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<?php $args = [ 'a' => [ 'zebra' => 1, ], 'b' => [ 'zebra' => 0, ], 'c' => [ 'zebra' => 1, ], 'd' => [ 'zebra' => 1, ], 'e' => [ 'zebra' => 1, ], ]; $args0 = array_filter($args, function ($arg) { return $arg['zebra'] === 0; }); $args1 = array_filter($args, function ($arg) { return $arg['zebra'] === 1; }); $result = array_merge(...array_map(static function ($arg0Key, $arg1Key) use ($args0, $args1) { if ($arg0Key !== null) { $result[$arg0Key] = $args0[$arg0Key]; } if ($arg1Key !== null) { $result[$arg1Key] = $args1[$arg1Key]; } return $result; }, array_keys($args0), array_keys($args1))); print_r($result);
Output for 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 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Array ( [b] => Array ( [zebra] => 0 ) [a] => Array ( [zebra] => 1 ) [c] => Array ( [zebra] => 1 ) [d] => Array ( [zebra] => 1 ) [e] => Array ( [zebra] => 1 ) )
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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