3v4l.org

run code in 500+ PHP versions simultaneously
<?php $TestResult = [ 'Smith' => ['98', '100', '78', '91'], 'Johnson' => ['67', '85', '92', '88'] ]; $Total = array_sum($TestResult['Smith']); $Average = $Total/count($TestResult['Smith']); echo $Average;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
91.75
preferences:
96.7 ms | 1996 KiB | 4 Q