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<?php $features = [ 'feature1' =>[ 'XYZ' => 'dfa2394bcf754a19b9e72d14207ad7d0', 'XZY' => '582a5b9654564055a2e56a0f9a7a399e', 'YZX' => '582a5b9654564055a2e56a0f9a7a399e' ], 'feature2' =>[ 'XYZ' => 'ert2394bcf754a19b9e72d14207ad7d0', 'XZY' => 'op2a5b9654564055a2e56a0f9a7a399e', 'YZX' => '1sd5b9654564055a2e56a0f9a7a399e' ] ]; foreach ($XML->article as $article) { foreach ($article->datagroup1->feature as $key => $feature) { // introduce $key if(isset($features[$feature['key']])){ $featureName = (string)$feature->en; if(isset($features[$feature['key']][$featureName])){ $articleData['properties'][$key]['id'] = $features[$feature['key']][$featureName]; // use $key } } } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $XML in /in/pjqk8 on line 18 Warning: Attempt to read property "article" on null in /in/pjqk8 on line 18 Warning: foreach() argument must be of type array|object, null given in /in/pjqk8 on line 18

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