Remove $key in json using PHP

Remove $key in json using PHP

<?php


$file = file_get_contents('http://localhost/search/oxfordupdate.json');
$data = json_decode($file, TRUE);



// unset($file);//prevent memory leaks for large json.
//insert data here
foreach($data['RECORDS'] as $key=>$value) {
	
		foreach ($value as $key2 => $value2) {
	
			$data2[] = $value2;

			// print_r($data2);
			// echo $key2;
			// // unset($key2);		
		}

// echo "<pre>";
// // print_r($data['RECORDS']);

// print_r($key);
// echo "</pre>";

	
       
}

//save the file
file_put_contents('oxfordwordonly.json',json_encode($data2));
unset($data);//release memory

/*

<?php
$animals = '{
 "0":{"kind":"mammal","name":"Pussy the Cat","weight":"12kg","age":"5"},
 "1":{"kind":"mammal","name":"Roxy the Dog","weight":"25kg","age":"8"},
 "2":{"kind":"fish","name":"Piranha the Fish","weight":"1kg","age":"1"},
 "3":{"kind":"bird","name":"Einstein the Parrot","weight":"0.5kg","age":"4"}
 }';

$animals = json_decode($animals, true);
foreach ($animals as $key => $value) {
    if (in_array('Piranha the Fish', $value)) {
        unset($animals[$key]);
    }
}
$animals = json_encode($animals);
?>*/