3v4l.org

run code in 300+ PHP versions simultaneously
<?php $states = json_decode('[[[1,0,1],[1,1,0]],[[1,1],[1,0,1]]]'); $state = 0; $tape = array(1, 1, 1); $zend7lol = substr(phpversion(), 0, 1) == 7 && substr(phpversion(), -5) != '-hhvm'; $tape[] = 0; foreach ($tape as $k => &$v) { if (is_null($state)) { echo "stopping\n"; break; } var_dump($tape); @list ($v, $d, $state) = $states[$state][$v]; var_dump($tape); if ($d) { //var_dump(count($tape), $k); if (count($tape) - $k < 3) { $p = $tape; end($tape); $tape[] = 0; unset($p); } } elseif ($k) { $r = $tape; prev($r); if (!$zend7lol) prev($r); $tape = $r; unset($r); } else { array_unshift($tape, 0); if ($zend7lol) { $lol = $tape; reset($tape); unset($lol); } } } unset($v); var_dump($tape);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.10.0100.00714.63
7.4.00.0090.00914.90
7.3.130.0060.01214.53
7.3.120.0080.00914.87
7.3.110.0080.01014.70
7.3.100.0080.00714.78
7.3.90.0080.00914.77
7.3.80.0090.00614.87
7.3.70.0060.00614.97
7.3.60.0080.00614.84
7.3.50.0050.01014.67
7.3.40.0020.01114.63
7.3.30.0060.00814.81
7.3.20.0060.00816.71
7.3.10.0090.00816.72
7.3.00.0060.00716.69
7.2.260.0080.00615.11
7.2.250.0100.01015.12
7.2.240.0040.01215.02
7.2.230.0060.01115.08
7.2.220.0110.00715.02
7.2.210.0040.01015.01
7.2.200.0080.00715.08
7.2.190.0080.00714.76
7.2.180.0050.00915.09
7.2.170.0040.00715.15
7.2.160.0050.00814.79
7.2.150.0060.00916.57
7.2.140.0030.01316.91
7.2.130.0060.00716.86
7.2.120.0080.00616.84
7.2.110.0030.01116.97
7.2.100.0100.00416.85
7.2.90.0100.00516.88
7.2.80.0020.00916.94
7.2.70.0080.00816.79
7.2.60.0070.00816.78
7.2.50.0050.01116.90
7.2.40.0040.00916.84
7.2.30.0090.00416.88
7.2.20.0060.00716.84
7.2.10.0050.00716.88
7.2.00.0060.00917.84
7.1.330.0070.00915.66
7.1.320.0040.00915.73
7.1.310.0020.01015.79
7.1.300.0060.00515.73
7.1.290.0070.00515.83
7.1.280.0050.00915.80
7.1.270.0040.00815.72
7.1.260.0040.01115.96
7.1.250.0050.00615.89
7.1.240.0040.00915.74
7.1.230.0090.00315.63
7.1.220.0030.01015.71
7.1.210.0030.01015.82
7.1.200.0030.00815.64
7.1.190.0040.01215.75
7.1.180.0030.01015.46
7.1.170.0070.01015.45
7.1.160.0000.00915.57
7.1.150.0090.00615.40
7.1.140.0030.00715.82
7.1.130.0040.01115.56
7.1.120.0030.00615.95
7.1.110.0030.01015.78
7.1.100.0070.00516.79
7.1.90.0030.01415.46
7.1.80.0080.00515.74
7.1.70.0050.00516.38
7.1.60.0110.00416.34
7.1.50.0170.01224.38
7.1.40.0190.00624.00
7.1.30.0130.01324.27
7.1.20.0170.01024.21
7.1.10.0050.01216.16
7.1.00.0050.00616.36
7.0.330.0090.00615.19
7.0.320.0000.01015.04
7.0.310.0110.00415.42
7.0.300.0090.00315.18
7.0.290.0060.00915.27
7.0.280.0060.00915.16
7.0.270.0110.00415.15
7.0.260.0030.00615.02
7.0.250.0100.00615.57
7.0.240.0100.00715.30
7.0.230.0000.01315.37
7.0.220.0090.00315.40
7.0.210.0000.01315.39
7.0.200.0100.00616.14
7.0.190.0080.01215.14
7.0.180.0080.01015.01
7.0.170.0100.00814.79
7.0.160.0060.01414.77
7.0.150.0020.01315.81
7.0.140.0030.01415.87
7.0.130.0020.01315.88
7.0.120.0080.00515.88
7.0.110.0030.01015.84
7.0.100.0090.00515.85
7.0.90.0020.01115.90
7.0.80.0060.01315.01
7.0.70.0030.01514.98
7.0.60.0100.00814.98
7.0.50.0100.00714.90
7.0.40.0130.01114.05
7.0.30.0130.01014.02
7.0.20.0100.00714.01
7.0.10.0120.00614.05
7.0.00.0100.00714.16
5.6.400.0120.00314.46
5.6.390.0090.00914.60
5.6.380.0040.01114.21
5.6.370.0120.00314.44
5.6.360.0070.00314.35
5.6.350.0050.00514.71
5.6.340.0070.01114.69
5.6.330.0030.01514.31
5.6.320.0030.00914.59
5.6.310.0030.01214.69
5.6.300.0130.00614.38
5.6.290.0000.01214.20
5.6.280.0030.00914.74
5.6.270.0000.01414.70
5.6.260.0040.01014.38
5.6.250.0040.00714.59
5.6.240.0030.00914.70
5.6.230.0030.01014.46
5.6.220.0090.00614.13
5.6.210.0040.00814.68
5.6.200.0090.00014.41
5.6.190.0070.00714.54
5.6.180.0060.00914.38
5.6.170.0030.01014.39
5.6.160.0070.00714.43
5.6.150.0030.01314.48
5.6.140.0090.00914.34
5.6.130.0030.00714.48
5.6.120.0120.00614.09
5.6.110.0070.01014.26
5.6.100.0040.01114.52
5.6.90.0070.01014.01
5.6.80.0030.01314.48
5.6.70.0070.00714.29
5.6.60.0060.00314.51
5.6.50.0030.00614.18
5.6.40.0080.00814.09
5.6.30.0100.00714.28
5.6.20.0040.00714.37
5.6.10.0120.00314.30
5.6.00.0150.00014.26

preferences:
41.4 ms | 400 KiB | 5 Q