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<?php $data = ['0' => ['part_img_url' => '354.test'],'1' => ['part_img_url' => '647.test']]; $names = array_map(function($p) { return $p['part_img_url'] = preg_replace("~\d+~", $p['element_id'], $p['part_img_url']); }, (array)$data); print_r($names);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "element_id" in /in/F2UJM on line 4 Deprecated: preg_replace(): Passing null to parameter #2 ($replacement) of type array|string is deprecated in /in/F2UJM on line 4 Warning: Undefined array key "element_id" in /in/F2UJM on line 4 Deprecated: preg_replace(): Passing null to parameter #2 ($replacement) of type array|string is deprecated in /in/F2UJM on line 4 Array ( [0] => .test [1] => .test )

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