3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $products = [1, 2, 3, 4, 5]; $vendors = ["Amazon", "Newegg", "##php"]; $vendorProducts = []; foreach ($vendors as $vendor) { $vendorProducts[$vendor] = []; foreach ($products as $productID) { $vendorProducts[$vendor][] = $productID; } } var_dump($vendorProducts);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["Amazon"]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } ["Newegg"]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } ["##php"]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Eo0GN on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Eo0GN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Eo0GN on line 3
Process exited with code 255.