3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ['transparent', 'grey', 'transparent', 'grey']; $arr2 = ['grey', 'transparent', 'grey', 'transparent']; $i = 0; $bool = true; for($x = 0; $x<20; $x++){ if($bool){ echo 'color ' . $arr1[$i] . "\n"; }else{ echo 'color ' . $arr2[$i] . "\n"; } $i = ++$i % 4; if($i ==0) $bool = !$bool; if($i ==0) echo "\n"; // to make it easier to read }
Output for 7.2.0 - 7.2.34, 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
color transparent color grey color transparent color grey color grey color transparent color grey color transparent color transparent color grey color transparent color grey color grey color transparent color grey color transparent color transparent color grey color transparent color grey
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 color transparent color grey color transparent color grey color grey color transparent color grey color transparent color transparent color grey color transparent color grey color grey color transparent color grey color transparent color transparent color grey color transparent color grey
preferences:
162.69 ms | 402 KiB | 191 Q