3v4l.org

run code in 300+ PHP versions simultaneously
<?php generate(80,10); function generate($start, $level){ $i=1; // Just a var $array = array_fill(0, $level, $start); // create an array with $level elements, with value $start array_map(function($v)use(&$i){ // Loop through the array and use $i echo "Level $i: ".(array_product(array($v, pow(1.5, $i++))))."<br>"; // Some basic math and output }, $array); } ?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 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 - 8.3.6
Level 1: 120<br>Level 2: 180<br>Level 3: 270<br>Level 4: 405<br>Level 5: 607.5<br>Level 6: 911.25<br>Level 7: 1366.875<br>Level 8: 2050.3125<br>Level 9: 3075.46875<br>Level 10: 4613.203125<br>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/A612O on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/A612O on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/A612O on line 7
Process exited with code 255.

preferences:
242.85 ms | 401 KiB | 363 Q