3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gap($g, $m, $n) { foreach (range($m, $n) as $num) { var_dump($num); var_dump($isPrime = isPrime($num) && isset($firstPrime) && $num - $firstPrime == $g); if ($isPrime = isPrime($num) && isset($firstPrime) && $num - $firstPrime == $g) { return [$firstPrime, $num]; } elseif ($isPrime) { $firstPrime = $num; } } return null; } function isPrime($num) { for ($n = 2; ($div = $num/$n) > $n; $n++) { if (is_int($div)) { return false; } } return true; } gap(2, 100, 110);

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)
8.3.60.0160.00018.43
8.3.50.0120.01022.17
8.3.40.0070.00718.70
8.3.30.0060.00918.65
8.3.20.0030.00621.90
8.3.10.0050.00321.89
8.3.00.0090.00019.40
8.2.180.0090.01218.01
8.2.170.0140.00022.96
8.2.160.0080.00620.39
8.2.150.0000.00724.18
8.2.140.0000.00724.66
8.2.130.0040.00418.09
8.2.120.0040.00426.35
8.2.110.0160.00319.30
8.2.100.0080.00417.72
8.2.90.0000.00817.91
8.2.80.0040.00417.97
8.2.70.0000.00817.80
8.2.60.0000.00818.09
8.2.50.0060.00318.10
8.2.40.0060.00322.28
8.2.30.0040.00419.33
8.2.20.0030.00618.19
8.2.10.0040.00418.08
8.2.00.0040.00417.71
8.1.280.0140.00025.92
8.1.270.0040.00420.34
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0100.00022.52
8.1.230.0060.00620.98
8.1.220.0040.00417.74
8.1.210.0040.00419.03
8.1.200.0000.00817.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00818.75
8.1.160.0070.00018.87
8.1.150.0000.00720.28
8.1.140.0040.00419.63
8.1.130.0030.00519.03
8.1.120.0030.00617.47
8.1.110.0040.00417.47
8.1.100.0030.00617.45
8.1.90.0030.00517.46
8.1.80.0080.00017.38
8.1.70.0070.00317.50
8.1.60.0070.00317.56
8.1.50.0050.00317.57
8.1.40.0050.00217.55
8.1.30.0040.00417.56
8.1.20.0000.00717.73
8.1.10.0060.00317.43
8.1.00.0040.00417.46
8.0.300.0040.00420.04
8.0.290.0080.00016.75
8.0.280.0030.00318.37
8.0.270.0000.00717.28
8.0.260.0030.00317.32
8.0.250.0030.00317.02
8.0.240.0000.00617.02
8.0.230.0030.00616.85
8.0.220.0030.00516.92
8.0.210.0030.00316.87
8.0.200.0000.00617.02
8.0.190.0000.00716.90
8.0.180.0000.00816.97
8.0.170.0040.00417.00
8.0.160.0070.00016.90
8.0.150.0070.00016.89
8.0.140.0050.00216.88
8.0.130.0050.00013.39
8.0.120.0000.00816.81
8.0.110.0000.00816.90
8.0.100.0000.00716.79
8.0.90.0050.00216.91
8.0.80.0040.01116.90
8.0.70.0000.00816.95
8.0.60.0030.00517.02
8.0.50.0070.00016.91
8.0.30.0130.00617.04
8.0.20.0120.00817.40
8.0.10.0030.00717.15
8.0.00.0090.00916.92
7.4.330.0020.00215.55
7.4.320.0030.00316.61
7.4.300.0030.00316.44
7.4.290.0030.00316.52
7.4.280.0050.00516.44
7.4.270.0000.00716.52
7.4.260.0040.00416.62
7.4.250.0030.00316.58
7.4.240.0000.00716.60
7.4.230.0000.00716.60
7.4.220.0090.00916.66
7.4.210.0060.01416.63
7.4.200.0040.00416.52
7.4.160.0100.00616.52
7.4.150.0120.00617.40
7.4.140.0070.01317.86
7.4.130.0120.00616.59
7.4.120.0120.00916.49
7.4.110.0110.00616.59
7.4.100.0090.00916.62
7.4.90.0060.01216.59
7.4.80.0130.00419.39
7.4.70.0090.00916.67
7.4.60.0080.00816.49
7.4.50.0090.00616.49
7.4.40.0100.01016.66
7.4.30.0130.00616.58
7.4.00.0090.00814.97
7.3.330.0000.00613.27
7.3.320.0060.00013.40
7.3.310.0000.00716.42
7.3.300.0070.00016.41
7.3.290.0070.01016.38
7.3.280.0050.01216.39
7.3.270.0040.01317.40
7.3.260.0160.00716.54
7.3.250.0100.00716.58
7.3.240.0100.01116.52
7.3.230.0150.00716.50
7.3.210.0140.00716.45
7.3.200.0100.00716.60
7.3.190.0060.01716.43
7.3.180.0120.00616.49
7.3.170.0150.00616.44
7.3.160.0100.01016.62
7.3.120.0150.00314.92
7.3.110.0060.01214.61
7.3.100.0070.01114.76
7.3.90.0040.01114.71
7.3.80.0060.00915.05
7.3.70.0090.00614.89
7.3.60.0060.00614.84
7.3.50.0030.00914.92
7.3.40.0030.01014.84
7.3.30.0090.00914.84
7.3.20.0070.00716.70
7.3.10.0100.00716.60
7.3.00.0000.01316.72
7.2.330.0080.01416.52
7.2.320.0100.00716.69
7.2.310.0040.01616.70
7.2.300.0100.01016.84
7.2.290.0050.01416.55
7.2.250.0030.01315.02
7.2.240.0100.01014.95
7.2.230.0100.00614.93
7.2.220.0070.01015.01
7.2.210.0110.00014.90
7.2.200.0070.00715.17
7.2.190.0000.01615.19
7.2.180.0040.01415.27
7.2.170.0000.01515.24
7.2.60.0090.00616.82
7.2.50.0000.01416.95
7.1.330.0090.00616.06
7.1.320.0000.01615.88
7.1.310.0060.00815.63
7.1.300.0030.01015.55
7.1.290.0040.00715.59
7.1.280.0030.01315.74
7.1.270.0100.00015.81
7.1.260.0090.00315.85
7.1.200.0040.00915.72
7.1.70.0000.00717.29
7.1.60.0030.00917.23
7.1.10.0030.06722.21
7.1.00.0100.07322.16
7.0.200.0030.00916.52
7.0.150.0100.05721.89
7.0.140.0130.05321.88
7.0.130.0070.05721.96
7.0.120.0070.05721.77
7.0.110.0230.04021.75
7.0.100.0100.05321.91
7.0.90.0100.05721.87
7.0.80.0100.05321.78
7.0.70.0130.05021.88
7.0.60.0070.06021.84
7.0.50.0100.05321.86
7.0.40.0230.04021.83
7.0.30.0100.05321.94
7.0.20.0100.05321.85
7.0.10.0070.05721.79
7.0.00.0130.05021.87

preferences:
62.18 ms | 401 KiB | 5 Q