3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $master = array(); $arrColors = array('R', 'B', 'G' ,'Y'); $arrNumbers = array('1', '2', '3', '4'); foreach($arrColors as $color) { foreach($arrNumbers as $num) { //$master[$color] = $num; $master += $color.' => '.$num; //echo "\n"; } } print_r($master);
based on GGhpp
Output for 7.1.0
Warning: A non-numeric value encountered in /in/N2ILF on line 9 Fatal error: Uncaught Error: Unsupported operand types in /in/N2ILF:9 Stack trace: #0 {main} thrown in /in/N2ILF on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.14
Fatal error: Uncaught Error: Unsupported operand types in /in/N2ILF:9 Stack trace: #0 {main} thrown in /in/N2ILF on line 9
Process exited with code 255.
Output for 4.3.2 - 5.6.28
Fatal error: Unsupported operand types in /in/N2ILF on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Unsupported operand types in /in/N2ILF on line 9