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<?php $yaml = [ 'components' => [ [ 'cachet' => [ 'componentgroup' => 'FOO', 'componentname' => 'BAR' ] ], [ 'cachet' => [ 'componentgroup' => 'Key1', 'componentname' => 'Value1' ] ], [ 'cachet' => [ 'componentgroup' => 'Key2', 'componentname' => 'Value2' ] ], [ 'cachet' => [ 'componentgroup' => 'FOO', 'componentname' => 'BAZ' ] ], [ 'cachet' => [ 'componentgroup' => 'Key3', 'componentname' => 'Value3' ] ] ] ]; $yamlMap = []; foreach ($yaml['components'] as $yamlComponent) { $k = $yamlComponent['cachet']['componentgroup']; $v = $yamlComponent['cachet']['componentname']; $yamlMap[$k] = isset($yamlMap[$k]) ? array_merge((array)$yamlMap[$k], [$v]) : $v; } var_export($yamlMap);
Output for 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, 8.4.16, 8.5.0 - 8.5.1
array ( 'FOO' => array ( 0 => 'BAR', 1 => 'BAZ', ), 'Key1' => 'Value1', 'Key2' => 'Value2', 'Key3' => 'Value3', )
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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