3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generatePrimesA($n) { $primes = [2]; for ($i = 3; $i < $n; $i += 2) { foreach ($primes as $prime) { if ($i % $prime == 0) { continue 2; } } $primes[] = $i; } return $primes; } function generatePrimesB($n) { $primes = [2]; $lastPrime = 2; for ($i = 3; $i < $n; $i += $lastPrime) { foreach ($primes as $prime) { if ($i % $prime == 0) { continue 2; } } $primes[] = $i; $lastPrime = $i; } return $primes; } var_dump(count(generatePrimesA(1000))); var_dump(count(generatePrimesB(1000))); var_dump(array_diff(generatePrimesA(1000), generatePrimesB(1000)));

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)
8.3.60.0060.00918.43
8.3.50.0110.00821.87
8.3.40.0070.01018.75
8.3.30.0060.00918.96
8.3.20.0050.00320.18
8.3.10.0050.00521.96
8.3.00.0090.00022.43
8.2.180.0140.01016.50
8.2.170.0130.00322.96
8.2.160.0100.00719.26
8.2.150.0090.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00919.36
8.2.110.0090.00321.18
8.2.100.0090.00318.03
8.2.90.0040.00419.36
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.22
8.2.40.0000.00820.55
8.2.30.0000.00919.31
8.2.20.0000.00817.61
8.2.10.0050.00317.82
8.2.00.0060.00317.64
8.1.280.0150.00725.92
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0000.00928.09
8.1.240.0040.00721.32
8.1.230.0000.01120.35
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00617.35
8.1.180.0090.00018.10
8.1.170.0040.00418.43
8.1.160.0040.00418.92
8.1.150.0080.00020.04
8.1.140.0000.01117.39
8.1.130.0050.00317.48
8.1.120.0000.00817.42
8.1.110.0030.00617.52
8.1.100.0030.00517.45
8.1.90.0040.00417.38
8.1.80.0050.00317.52
8.1.70.0000.00717.45
8.1.60.0060.00317.44
8.1.50.0000.00817.56
8.1.40.0000.00817.44
8.1.30.0080.00017.65
8.1.20.0030.00617.73
8.1.10.0040.00417.60
8.1.00.0030.00517.44
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00818.34
8.0.270.0000.00717.33
8.0.260.0050.00316.84
8.0.250.0040.00417.04
8.0.240.0040.00416.91
8.0.230.0020.00516.98
8.0.220.0040.00416.79
8.0.210.0000.00816.78
8.0.200.0030.00316.86
8.0.190.0000.00916.98
8.0.180.0000.00816.96
8.0.170.0050.00516.94
8.0.160.0030.00516.96
8.0.150.0080.00016.93
8.0.140.0060.00316.83
8.0.130.0030.00313.36
8.0.120.0070.00316.87
8.0.110.0000.00816.91
8.0.100.0050.00316.71
8.0.90.0040.00416.86
8.0.80.0030.01816.88
8.0.70.0040.00416.75
8.0.60.0000.00816.88
8.0.50.0000.00816.94
8.0.30.0110.01217.22
8.0.20.0090.01317.40
8.0.10.0030.00516.91
8.0.00.0140.02816.85
7.4.330.0060.00015.00
7.4.320.0000.00716.65
7.4.300.0030.00316.52
7.4.290.0000.00716.63
7.4.280.0030.00516.37
7.4.270.0000.00716.54
7.4.260.0030.00616.51
7.4.250.0030.00616.55
7.4.240.0080.00016.64
7.4.230.0050.00316.64
7.4.220.0100.01016.63
7.4.210.0050.01316.64
7.4.200.0050.00316.52
7.4.190.0060.00316.76
7.4.160.0040.01616.65
7.4.150.0110.01117.40
7.4.140.0120.01117.86
7.4.130.0100.01416.57
7.4.120.0120.00916.54
7.4.110.0070.01116.50
7.4.100.0210.00916.55
7.4.90.0120.00916.45
7.4.80.0060.01919.39
7.4.70.0030.02116.35
7.4.60.0110.01116.61
7.4.50.0000.00516.46
7.4.40.0130.00622.77
7.4.30.0090.01216.59
7.4.00.0150.00314.66
7.3.330.0000.00613.25
7.3.320.0070.00013.34
7.3.310.0040.00416.49
7.3.300.0040.00416.25
7.3.290.0030.01316.38
7.3.280.0090.01416.35
7.3.270.0130.00817.40
7.3.260.0120.01216.38
7.3.250.0110.01416.43
7.3.240.0120.01016.38
7.3.230.0130.01216.73
7.3.210.0130.00816.64
7.3.200.0000.01819.39
7.3.190.0090.01216.59
7.3.180.0180.00616.55
7.3.170.0120.01516.55
7.3.160.0080.01216.71
7.3.120.0060.00914.83
7.2.330.0060.01316.77
7.2.320.0130.01216.64
7.2.310.0070.01416.85
7.2.300.0040.01716.52
7.2.290.0090.01216.76
7.2.60.0060.00616.57
7.2.00.0060.01019.54
7.1.200.0070.01015.60
7.1.100.0070.00718.19
7.1.70.0000.01416.94
7.1.60.0070.02019.82
7.1.50.0120.01216.93
7.1.00.0030.07722.54
7.0.200.0060.00316.43
7.0.140.0100.06722.01
7.0.60.0170.06719.91
7.0.50.0070.05718.00
7.0.40.0000.05720.14
7.0.30.0300.06020.25
7.0.20.0270.06020.09
7.0.10.0070.05020.21
7.0.00.0070.08020.25
5.6.280.0000.08020.81
5.6.210.0070.08320.68
5.6.200.0070.08318.14
5.6.190.0070.05020.61
5.6.180.0200.07020.33
5.6.170.0230.07020.45
5.6.160.0000.06320.44
5.6.150.0030.04318.23
5.6.140.0070.07018.29
5.6.130.0100.07718.14
5.6.120.0100.08321.13
5.6.110.0130.08021.03
5.6.100.0030.07321.02
5.6.90.0130.08021.00
5.6.80.0070.08320.57
5.5.350.0100.08320.44
5.5.340.0030.04318.00
5.5.330.0100.08320.41
5.5.320.0200.06320.30
5.5.310.0270.08720.41
5.5.300.0130.03318.08
5.5.290.0030.07017.95
5.5.280.0200.07020.91
5.5.270.0070.06720.93
5.5.260.0100.04320.90
5.5.250.0130.07720.73
5.5.240.0170.04320.30
5.4.450.0600.07019.31
5.4.440.0530.05719.43
5.4.430.0200.05019.61
5.4.420.0670.06019.32
5.4.410.0170.06719.48
5.4.400.0770.05719.30
5.4.390.0830.06319.25
5.4.380.0370.05318.80
5.4.370.0870.06018.61
5.4.360.0870.05318.79
5.4.350.1170.06718.58
5.4.340.0830.06718.63
5.4.320.0030.04712.54
5.4.310.0030.04412.54
5.4.300.0110.04212.54
5.4.290.0080.04512.54
5.4.280.0090.03912.44
5.4.270.0110.03712.43
5.4.260.0070.07019.00
5.4.250.0070.05718.99
5.4.240.0130.05018.79
5.4.230.0030.05719.04
5.4.220.0170.05018.73
5.4.210.0030.05718.95
5.4.200.0130.07018.88
5.4.190.0070.05718.91
5.4.180.0070.05718.63
5.4.170.0030.06018.63
5.4.160.0070.05718.95
5.4.150.0070.06018.75
5.4.140.0070.05316.45
5.4.130.0130.07016.61
5.4.120.0000.06016.50
5.4.110.0170.04716.53
5.4.100.0070.06016.40
5.4.90.0130.04716.52
5.4.80.0030.05316.57
5.4.70.0100.05316.47
5.4.60.0130.04316.58
5.4.50.0100.05316.39
5.4.40.0200.05016.66
5.4.30.0130.04716.52
5.4.20.0100.06716.41
5.4.10.0070.06316.60
5.4.00.0030.05716.06
5.3.290.0060.03712.80
5.3.280.0100.05314.58
5.3.270.0170.06014.74
5.3.260.0130.05014.59
5.3.250.0100.04714.57
5.3.240.0070.05014.51
5.3.230.0000.05714.68
5.3.220.0030.05314.65
5.3.210.0130.04314.54
5.3.200.0030.05714.53
5.3.190.0100.05714.66
5.3.180.0070.04714.53
5.3.170.0070.05714.55
5.3.160.0070.05014.74
5.3.150.0100.05714.72
5.3.140.0100.04714.71
5.3.130.0100.05014.72
5.3.120.0000.05714.63
5.3.110.0070.07314.45
5.3.100.0030.05014.03
5.3.90.0030.05314.04
5.3.80.0100.05014.19
5.3.70.0070.05014.00
5.3.60.0100.04314.09
5.3.50.0030.05014.16
5.3.40.0030.05314.02
5.3.30.0100.04313.98
5.3.20.0030.05013.59
5.3.10.0000.05313.67
5.3.00.0070.05313.71
5.2.170.0030.04011.14
5.2.160.0070.03711.14
5.2.150.0030.04311.21
5.2.140.0100.04011.29
5.2.130.0070.03711.18
5.2.120.0100.03311.18
5.2.110.0030.04010.92
5.2.100.0030.04011.31
5.2.90.0130.03011.31
5.2.80.0070.04011.14
5.2.70.0070.04011.15
5.2.60.0100.03711.27
5.2.50.0030.04311.24
5.2.40.0000.05711.17
5.2.30.0130.04310.95
5.2.20.0100.04310.95
5.2.10.0070.03710.86
5.2.00.0030.04010.81
5.1.60.0070.03710.06
5.1.50.0000.04010.04
5.1.40.0070.05010.07
5.1.30.0030.05710.41
5.1.20.0030.03710.41
5.1.10.0100.04010.13
5.1.00.0000.03710.05
5.0.50.0100.0238.58
5.0.40.0070.0238.37
5.0.30.0030.0408.46
5.0.20.0100.0208.11
5.0.10.0000.0308.09
5.0.00.0030.0508.13
4.4.90.0030.0206.77
4.4.80.0030.0206.77
4.4.70.0000.0236.77
4.4.60.0000.0236.77
4.4.50.0030.0206.77
4.4.40.0000.0376.77
4.4.30.0000.0236.77
4.4.20.0030.0236.77
4.4.10.0030.0206.77
4.4.00.0070.0276.77
4.3.110.0000.0236.77
4.3.100.0030.0206.77
4.3.90.0030.0206.77
4.3.80.0000.0336.77
4.3.70.0000.0236.77
4.3.60.0030.0176.77
4.3.50.0000.0236.77
4.3.40.0070.0306.77
4.3.30.0000.0206.77
4.3.20.0070.0176.77
4.3.10.0000.0206.77
4.3.00.0100.0208.11

preferences:
50.54 ms | 401 KiB | 5 Q