3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=2; $b=0; $c=7; $d=0; $e=3; $array = [$a, $b, $c, $d, $e]; $filtered_array = array_filter($array); $random_index = array_rand($filtered_array); echo $filtered_array[$random_index];
Output for 5.4.0, 5.4.4, 5.4.9, 5.4.14, 5.4.20 - 5.4.21, 5.4.24, 5.4.26, 5.4.32, 5.4.35, 5.4.37 - 5.4.39, 5.4.44, 5.5.1 - 5.5.2, 5.5.11 - 5.5.13, 5.5.24, 5.5.32 - 5.5.33, 5.5.35, 5.5.37, 5.6.0 - 5.6.2, 5.6.8, 5.6.10, 5.6.14, 5.6.19 - 5.6.20, 5.6.29 - 5.6.30, 5.6.36, 7.0.0, 7.0.5 - 7.0.6, 7.0.12 - 7.0.13, 7.0.17 - 7.0.18, 7.0.25, 7.0.28, 7.0.31, 7.1.0, 7.1.4 - 7.1.5, 7.1.8 - 7.1.9, 7.1.13, 7.1.17, 7.1.21 - 7.1.22, 7.2.0 - 7.2.1, 7.2.3 - 7.2.4, 7.2.7 - 7.2.9, 7.2.11, 7.3.0 - 7.3.1
7
Output for 5.4.3, 5.4.6 - 5.4.7, 5.4.13, 5.4.15 - 5.4.19, 5.4.22 - 5.4.23, 5.4.25, 5.4.29, 5.4.31, 5.4.34, 5.4.36, 5.4.41, 5.4.43, 5.4.45, 5.5.0, 5.5.3, 5.5.5, 5.5.9 - 5.5.10, 5.5.14 - 5.5.16, 5.5.18 - 5.5.19, 5.5.21, 5.5.25 - 5.5.27, 5.5.29 - 5.5.31, 5.6.3, 5.6.6, 5.6.9, 5.6.16, 5.6.21 - 5.6.23, 5.6.25, 5.6.27 - 5.6.28, 5.6.31 - 5.6.34, 7.0.2, 7.0.4, 7.0.7 - 7.0.11, 7.0.15, 7.0.19, 7.0.23, 7.0.26 - 7.0.27, 7.0.29, 7.1.1, 7.1.7, 7.1.11 - 7.1.12, 7.1.14 - 7.1.16, 7.1.19 - 7.1.20, 7.1.23, 7.2.5 - 7.2.6, 7.2.12 - 7.2.13
2
Output for 5.4.1 - 5.4.2, 5.4.5, 5.4.8, 5.4.10 - 5.4.12, 5.4.27 - 5.4.28, 5.4.30, 5.4.33, 5.4.40, 5.4.42, 5.5.4, 5.5.6 - 5.5.8, 5.5.17, 5.5.20, 5.5.22 - 5.5.23, 5.5.28, 5.5.34, 5.5.36, 5.5.38, 5.6.4 - 5.6.5, 5.6.7, 5.6.11 - 5.6.13, 5.6.15, 5.6.17 - 5.6.18, 5.6.24, 5.6.26, 5.6.35, 5.6.37 - 5.6.38, 7.0.1, 7.0.3, 7.0.14, 7.0.16, 7.0.20 - 7.0.22, 7.0.24, 7.0.30, 7.1.2 - 7.1.3, 7.1.6, 7.1.10, 7.1.18, 7.1.25, 7.2.2, 7.2.10
3
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/iVTCn on line 9
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 '[' in /in/iVTCn on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/iVTCn on line 9
Process exited with code 255.

preferences:
162.72 ms | 401 KiB | 285 Q