3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [['data1'], ['data2'], ['data3']]; $array2 = [['5', '12', '4'], ['8', '2', '17'], ['20', '15', '3']]; var_export( array_combine(array_column($array1, 0), $array2) );
Output for 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 'data1' => array ( 0 => '5', 1 => '12', 2 => '4', ), 'data2' => array ( 0 => '8', 1 => '2', 2 => '17', ), 'data3' => array ( 0 => '20', 1 => '15', 2 => '3', ), )
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 ( 'data1' => array ( 0 => '5', 1 => '12', 2 => '4', ), 'data2' => array ( 0 => '8', 1 => '2', 2 => '17', ), 'data3' => array ( 0 => '20', 1 => '15', 2 => '3', ), )

preferences:
167.4 ms | 402 KiB | 158 Q