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<?php $data = <<<DATA <root lastUpdated="20180101120330" ttl="24"> <Parent1> <sub parm1="google.com" parm2="email@email.com" parm3="5343243434" parm4="google" parm5="876787" parm6="" parm7="ACTIVE">...</sub> <sub parm1="yahoo.com" parm2="email2@email.com" parm3="4434343" parm4="yahoo" parm5="232322" parm6="" parm7="ACTIVE">...</sub> <sub parm1="facebook.com" parm2="email3@email.com" parm3="222334" parm4="facebook" parm5="12233" parm6="" parm7="ACTIVE">...</sub> </Parent1> <Parent2> <sub parm1="google.com" parm2="email@email.com" parm3="5343243434" parm4="google" parm5="876787" parm6="" parm7="ACTIVE">...</sub> <sub parm1="yahoo.com" parm2="email2@email.com" parm3="4434343" parm4="yahoo" parm5="232322" parm6="" parm7="ACTIVE">...</sub> <sub parm1="facebook.com" parm2="email3@email.com" parm3="222334" parm4="facebook" parm5="12233" parm6="" parm7="ACTIVE">...</sub> </Parent2> <Par3> <sub parm1="google.com" parm2="email@email.com" parm3="5343243434" parm4="google" parm5="876787" parm6="" parm7="ACTIVE">...</sub> <sub parm1="yahoo.com" parm2="email2@email.com" parm3="4434343" parm4="yahoo" parm5="232322" parm6="" parm7="ACTIVE">...</sub> <sub parm1="facebook.com" parm2="email3@email.com" parm3="222334" parm4="facebook" parm5="12233" parm6="" parm7="ACTIVE">...</sub> </Par3> </root> DATA; $elm= new SimpleXMLElement($data); $array = $elm->xpath("/root/*[starts-with(name(),'Parent')]/sub"); for ($i = 0; $i < count($array); $i++) { if ((string)$array[$i]->attributes()->parm3 === "4434343") { echo $array[$i]->attributes()->parm1 . PHP_EOL; } }
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 - 8.3.25, 8.4.1 - 8.4.12
yahoo.com yahoo.com

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