3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0, 0, 4, 4, 5, 7]; for ($test = -1; $test < 9; ++$test) { echo "\ntest search for $test: "; $foundKey = 'not found'; foreach ($array as $key => $value) { if ($value >= $test) { $foundKey = $key; break; } } echo "index = $foundKey"; if (isset($array[$foundKey])) { echo ", value = {$array[$foundKey]}"; } }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
test search for -1: index = 0, value = 0 test search for 0: index = 0, value = 0 test search for 1: index = 2, value = 4 test search for 2: index = 2, value = 4 test search for 3: index = 2, value = 4 test search for 4: index = 2, value = 4 test search for 5: index = 4, value = 5 test search for 6: index = 5, value = 7 test search for 7: index = 5, value = 7 test search for 8: index = not found
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 test search for -1: index = 0, value = 0 test search for 0: index = 0, value = 0 test search for 1: index = 2, value = 4 test search for 2: index = 2, value = 4 test search for 3: index = 2, value = 4 test search for 4: index = 2, value = 4 test search for 5: index = 4, value = 5 test search for 6: index = 5, value = 7 test search for 7: index = 5, value = 7 test search for 8: index = not found
preferences:
92.09 ms | 1460 KiB | 4 Q