3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( array("email" => "user1@mail", "login" => "user1", "phone" => "123", "color" => "red"), array("email" => "user2@mail", "login" => "user2", "phone" => "456", "color" => "blue"), ); $array2 = array( array("email" => "user3@mail", "login" => "user3"), array("email" => "user4@mail", "login" => "user4"), ); foreach ($array2 as &$record) { if (!isset($record["phone"])) { $record["phone"] = null; } if (!isset($record["color"])) { $record["color"] = null; } } $merged = array_merge($array1, $array2); var_export($merged);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => array ( 'email' => 'user1@mail', 'login' => 'user1', 'phone' => '123', 'color' => 'red', ), 1 => array ( 'email' => 'user2@mail', 'login' => 'user2', 'phone' => '456', 'color' => 'blue', ), 2 => array ( 'email' => 'user3@mail', 'login' => 'user3', 'phone' => NULL, 'color' => NULL, ), 3 => array ( 'email' => 'user4@mail', 'login' => 'user4', 'phone' => NULL, 'color' => NULL, ), )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
preferences:
85.12 ms | 407 KiB | 5 Q