3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array('car1' => array('color' => 'black', 'weight'=> '100'), 'car2' => array('color' => 'white', 'weight'=> '200')); foreach($a1 as &$car){ $car['type'] = 'легковая'; } var_dump($a1); foreach($a1 as $key => $car){ var_dump( $key, $car); }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { ["car1"]=> array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" } ["car2"]=> &array(3) { ["color"]=> string(5) "white" ["weight"]=> string(3) "200" ["type"]=> string(16) "легковая" } } string(4) "car1" array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" } string(4) "car2" array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { ["car1"]=> array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" } ["car2"]=> &array(3) { ["color"]=> string(5) "white" ["weight"]=> string(3) "200" ["type"]=> string(16) "легковая" } } string(4) "car1" array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" } string(4) "car2" array(3) { ["color"]=> string(5) "black" ["weight"]=> string(3) "100" ["type"]=> string(16) "легковая" }

preferences:
209.79 ms | 403 KiB | 330 Q