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<?php $array = array( array ( "isbn" => "9789737953766" , "author" => "Ágoston Katalin, Domokos József, Márton Lőrinc" , "title" => "Érzékelők és jelátalakítók" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-02-01" , "price" => 15.58), array ( "isbn" => "9789731970066" , "author" => "Tőkés Gyöngyvér" , "title" => "Szakma vagy hivatás? " , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2008-07-25" , "price" => 32.3), array ( "isbn" => "9789738598546" , "author" => "Nagy László (szerk.)" , "title" => "Tanulmányok a természettudományok tárgyköréből" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2002-01-01" , "price" => 13), array ( "isbn" => "9789737953612" , "author" => "Oláh-Gál Róbert" , "title" => "Az informatika alapjai közgazdász- és mérnökhallgatóknak" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-01-01" , "price" => 15.58), array ( "isbn" => "9789737953797" , "author" => "Józon Mónika" , "title" => "Általános jogelméleti és polgári jogi ismeretek" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-01-30" , "price" => 36.72), array ( "isbn" => "9789737953834" , "author" => "Kakucs András" , "title" => "Áramlástan" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-10-01" , "price" => 34.64), array ( "isbn" => "9789737953827" , "author" => "Szilágyi Györgyi, Flóra Gábor, Ari Gyula" , "title" => "Bihar megye gazdasági-társadalmi fejlődése" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-11-01" , "price" => 38.48), array ( "isbn" => "9789737953803" , "author" => "Majdik Kornélia, Tonk Szende-Ágnes" , "title" => "Biokémiai alkalmazások" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2007-06-01" , "price" => 19.46), array ( "isbn" => "9789737953902" , "author" => "Urák István" , "title" => "Date despre arahnofauna din bazinul superior al Oltului" , "pub_name" => "Scientia Kiadó, Kolozsvár" , "pub_date" => "2008-01-01" , "price" => 28.78) ); $result = array_map(function($v){ return array( "isbn" => $v["isbn"], "price" => $v["price"] ); },$array); var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
array(9) { [0]=> array(2) { ["isbn"]=> string(13) "9789737953766" ["price"]=> float(15.58) } [1]=> array(2) { ["isbn"]=> string(13) "9789731970066" ["price"]=> float(32.3) } [2]=> array(2) { ["isbn"]=> string(13) "9789738598546" ["price"]=> int(13) } [3]=> array(2) { ["isbn"]=> string(13) "9789737953612" ["price"]=> float(15.58) } [4]=> array(2) { ["isbn"]=> string(13) "9789737953797" ["price"]=> float(36.72) } [5]=> array(2) { ["isbn"]=> string(13) "9789737953834" ["price"]=> float(34.64) } [6]=> array(2) { ["isbn"]=> string(13) "9789737953827" ["price"]=> float(38.48) } [7]=> array(2) { ["isbn"]=> string(13) "9789737953803" ["price"]=> float(19.46) } [8]=> array(2) { ["isbn"]=> string(13) "9789737953902" ["price"]=> float(28.78) } }

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