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<?php $arr = ["http://www.example.com//wp-content/uploads/2017/07/Sidetracks-Main-1.jpg", "/wp-content/uploads/2017/01/45432.jpg", "/wp-content/uploads/2016/07/39223.jpg"]; foreach($arr as &$link){ $link = str_replace("http://", "https://", $link); if(substr($link,0,8) != "https://") $link = "https://www.example.com" . $link; } Var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> string(73) "https://www.example.com//wp-content/uploads/2017/07/Sidetracks-Main-1.jpg" [1]=> string(60) "https://www.example.com/wp-content/uploads/2017/01/45432.jpg" [2]=> &string(60) "https://www.example.com/wp-content/uploads/2016/07/39223.jpg" }

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