3v4l.org

run code in 300+ PHP versions simultaneously
<?php function prim($n) { if ( $n == 1 ) return false; if ( $n == 2 ) return true; if ( $n % 2 == 0 ) return true; for ( $i = 3; $i < $n; $i+=2) { if ( $n % $i == 0 ) return true; } return false; } var_dump(prim(1)); var_dump(prim(2)); var_dump(prim(3)); var_dump(prim(4)); var_dump(prim(5)); var_dump(prim(6)); var_dump(prim(7)); var_dump(prim(8)); var_dump(prim(9)); var_dump(prim(11));

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)
8.3.60.0120.00318.43
8.3.50.0100.00718.27
8.3.40.0000.01518.63
8.3.30.0120.00418.79
8.3.20.0060.00318.60
8.3.10.0090.00018.65
8.3.00.0070.00319.26
8.2.180.0090.00616.50
8.2.170.0120.00922.96
8.2.160.0150.00020.64
8.2.150.0060.00324.18
8.2.140.0150.00424.66
8.2.130.0110.00726.16
8.2.120.0120.00621.09
8.2.110.0060.00321.02
8.2.100.0080.00417.97
8.2.90.0050.00318.03
8.2.80.0000.00818.05
8.2.70.0030.00517.93
8.2.60.0000.00918.22
8.2.50.0080.00018.10
8.2.40.0000.00719.47
8.2.30.0000.00719.35
8.2.20.0080.00417.72
8.2.10.0040.00417.75
8.2.00.0040.00417.50
8.1.280.0110.01125.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00022.14
8.1.230.0090.00322.82
8.1.220.0030.00617.74
8.1.210.0000.00820.05
8.1.200.0030.00617.36
8.1.190.0060.00317.22
8.1.180.0050.00318.10
8.1.170.0060.00318.48
8.1.160.0040.00418.97
8.1.150.0040.00418.63
8.1.140.0050.00317.39
8.1.130.0040.00419.25
8.1.120.0080.00017.49
8.1.110.0050.00217.52
8.1.100.0000.00717.44
8.1.90.0050.00217.52
8.1.80.0030.00317.48
8.1.70.0040.00417.45
8.1.60.0080.00017.47
8.1.50.0000.00817.45
8.1.40.0030.00617.55
8.1.30.0050.00317.64
8.1.20.0040.00417.57
8.1.10.0040.00417.54
8.1.00.0040.00417.42
8.0.300.0030.00621.91
8.0.290.0050.00316.63
8.0.280.0030.00618.14
8.0.270.0020.00517.25
8.0.260.0000.00716.84
8.0.250.0030.00716.97
8.0.240.0000.00816.95
8.0.230.0000.00816.82
8.0.220.0000.00716.76
8.0.210.0030.00316.86
8.0.200.0070.00016.86
8.0.190.0000.00716.87
8.0.180.0050.00316.92
8.0.170.0040.00416.76
8.0.160.0040.00416.86
8.0.150.0040.00416.79
8.0.140.0000.00816.86
8.0.130.0000.00613.30
8.0.120.0030.00616.80
8.0.110.0040.00416.84
8.0.100.0030.00616.96
8.0.90.0070.00016.96
8.0.80.0000.01416.92
8.0.70.0000.00816.88
8.0.60.0040.00416.68
8.0.50.0000.00816.75
8.0.30.0060.01516.98
8.0.20.0130.01016.90
8.0.10.0040.00417.08
8.0.00.0030.01916.84
7.4.330.0000.00513.11
7.4.320.0060.00016.49
7.4.300.0030.00316.57
7.4.290.0030.00316.50
7.4.280.0030.00616.51
7.4.270.0000.00716.41
7.4.260.0030.00313.28
7.4.250.0040.00416.41
7.4.240.0080.00016.52
7.4.230.0060.00316.71
7.4.220.0070.01416.64
7.4.210.0050.01616.65
7.4.200.0040.00416.58
7.4.190.0080.00016.56
7.4.160.0120.00416.45
7.4.150.0160.00916.50
7.4.140.0120.01216.48
7.4.130.0080.00816.47
7.4.120.0110.00516.57
7.4.110.0100.00716.36
7.4.100.0150.00316.39
7.4.90.0100.00716.57
7.4.80.0140.00819.39
7.4.70.0070.01016.14
7.4.60.0080.00816.47
7.4.50.0000.00516.34
7.4.40.0060.00916.60
7.4.30.0060.01016.43
7.4.00.0090.00615.12
7.3.330.0000.00713.32
7.3.320.0030.00313.28
7.3.310.0000.00716.17
7.3.300.0070.00016.14
7.3.290.0090.00916.31
7.3.280.0070.00916.26
7.3.270.0130.00916.64
7.3.260.0100.00716.38
7.3.250.0140.00316.36
7.3.240.0040.01316.39
7.3.230.0030.01516.46
7.3.210.0030.01516.37
7.3.200.0080.00816.36
7.3.190.0080.00816.61
7.3.180.0080.00816.48
7.3.170.0110.00716.54
7.3.160.0030.01416.62
7.3.120.0120.00314.78
7.2.330.0200.01016.40
7.2.320.0100.00616.38
7.2.310.0070.01716.46
7.2.300.0070.01016.63
7.2.290.0100.00716.37
7.2.00.0120.00019.33
7.1.200.0070.00715.91
7.1.100.0050.00517.93
7.1.70.0120.00617.07
7.1.60.0000.02419.30
7.1.50.0070.01716.98
7.1.00.0030.07722.46
7.0.200.0030.00716.92
7.0.140.0130.06721.95
7.0.60.0000.07020.02
7.0.50.0070.05717.85
7.0.40.0030.06320.09
7.0.30.0130.04320.24
7.0.20.0230.04720.12
7.0.10.0030.05020.26
7.0.00.0070.08320.18
5.6.280.0030.07321.09
5.6.210.0030.04020.61
5.6.200.0030.04018.20
5.6.190.0100.07320.67
5.6.180.0300.08320.50
5.6.170.0300.06720.58
5.6.160.0070.07020.54
5.6.150.0070.08318.25
5.6.140.0030.04318.28
5.6.130.0070.08718.12
5.6.120.0070.08721.02
5.6.110.0130.05020.96
5.6.100.0030.04020.98
5.6.90.0000.04321.02
5.6.80.0100.06720.39
5.5.350.0270.07720.33
5.5.340.0000.04018.03
5.5.330.0030.06720.21
5.5.320.0230.04020.34
5.5.310.0300.08020.28
5.5.300.0070.03317.99
5.5.290.0070.06718.07
5.5.280.0000.09020.80
5.5.270.0070.05320.84
5.5.260.0070.08020.96
5.5.250.0030.04020.70
5.5.240.0070.07320.35
5.4.450.0730.03719.19
5.4.440.0500.04319.39
5.4.430.0330.03319.45
5.4.420.0170.04319.27
5.4.410.0630.04319.29
5.4.400.0600.03719.06
5.4.390.0670.03719.23
5.4.380.0530.03719.14
5.4.370.0270.04019.09
5.4.360.0570.04018.97
5.4.350.0670.04018.83
5.4.340.0200.04319.07
5.4.320.0430.03319.00
5.4.310.0730.03019.22
5.4.300.0630.03719.05
5.4.290.0470.03319.05
5.4.280.0330.04319.04
5.4.270.0500.05319.30
5.4.260.0830.03718.94
5.4.250.0470.04318.99
5.4.240.0400.04718.94
5.4.230.0270.04719.05
5.4.220.0670.04319.07
5.4.210.0600.03019.12
5.4.200.0770.04018.96
5.4.190.0700.03319.21
5.4.180.0700.04019.02
5.4.170.0730.04019.18
5.4.160.0370.05719.29
5.4.150.0730.06019.03
5.4.140.0670.03716.34
5.4.130.0600.05316.35
5.4.120.0330.03316.44
5.4.110.0370.03716.29
5.4.100.0600.03716.19
5.4.90.0730.03716.43
5.4.80.0630.05016.24
5.4.70.0570.03716.54
5.4.60.0870.03316.48
5.4.50.0800.02716.57
5.4.40.0400.04716.41
5.4.30.0600.04016.40
5.4.20.0570.04316.16
5.4.10.0700.02316.49
5.4.00.0300.03715.82
5.3.290.0770.04016.00
5.3.280.0800.03316.00
5.3.270.0830.04315.93
5.3.260.0730.04015.82
5.3.250.0400.05015.82
5.3.240.0570.04315.82
5.3.230.0670.03315.82
5.3.220.0530.04315.82
5.3.210.0530.03015.82
5.3.200.0600.03315.82
5.3.190.0470.04015.82
5.3.180.0530.04315.82
5.3.170.0330.04015.82
5.3.160.0870.04015.82
5.3.150.0500.04015.82
5.3.140.0470.03315.82
5.3.130.0330.04315.82
5.3.120.0800.04715.82
5.3.110.0930.06315.82
5.3.100.0700.03315.82
5.3.90.0370.03715.82
5.3.80.0600.04015.82
5.3.70.0830.04015.82
5.3.60.0470.04315.82
5.3.50.0670.02315.82
5.3.40.0830.03715.82
5.3.30.0800.03315.82
5.3.20.0800.02315.82
5.3.10.0730.03715.82
5.3.00.0970.03315.82
5.2.170.0670.02715.82
5.2.160.0430.02715.82
5.2.150.0270.03015.81
5.2.140.0400.03715.82
5.2.130.0400.03715.82
5.2.120.0570.03315.82
5.2.110.0330.02315.82
5.2.100.0200.03015.82
5.2.90.0330.03315.82
5.2.80.0700.02315.82
5.2.70.0070.02315.82
5.2.60.0470.03015.82
5.2.50.0400.03015.82
5.2.40.0670.03015.82
5.2.30.0330.03015.82
5.2.20.0400.02015.82
5.2.10.0430.02315.82
5.2.00.0500.02315.82
5.1.60.0730.02015.82
5.1.50.0600.02315.82
5.1.40.0330.03015.82
5.1.30.0500.02715.82
5.1.20.0400.02715.82
5.1.10.0300.02715.82
5.1.00.0270.02715.82
5.0.50.0270.02015.82
5.0.40.0100.03015.82
5.0.30.0130.02715.82
5.0.20.0270.02015.82
5.0.10.0330.02015.82
5.0.00.0130.02715.82
4.4.90.0100.02715.82
4.4.80.0000.01715.82
4.4.70.0100.01015.82
4.4.60.0100.02015.82
4.4.50.0070.01715.82
4.4.40.0230.02315.82
4.4.30.0130.02015.82
4.4.20.0030.02015.82
4.4.10.0330.02015.82
4.4.00.0200.03715.82
4.3.110.0100.01715.82
4.3.100.0130.01315.82
4.3.90.0300.01715.82
4.3.80.0030.02315.82
4.3.70.0170.01015.82
4.3.60.0370.01015.82
4.3.50.0230.02015.82
4.3.40.0270.02715.82
4.3.30.0000.01715.82
4.3.20.0130.01315.82
4.3.10.0030.01715.82
4.3.00.0030.01315.82

preferences:
48.79 ms | 401 KiB | 5 Q