3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "toto"; $a === NULL;

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)
8.3.60.0090.01218.55
8.3.50.0100.00722.05
8.3.40.0090.00618.58
8.3.30.0120.00818.87
8.3.20.0060.00320.09
8.3.10.0070.00021.79
8.3.00.0080.00022.47
8.2.180.0090.01216.32
8.2.170.0040.01122.96
8.2.160.0070.00719.21
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0100.00726.16
8.2.120.0060.00319.41
8.2.110.0000.00920.51
8.2.100.0110.00017.98
8.2.90.0000.00819.03
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0090.00017.80
8.2.50.0060.00318.07
8.2.40.0070.00018.03
8.2.30.0000.00817.86
8.2.20.0040.00417.57
8.2.10.0000.00817.61
8.2.00.0030.00917.61
8.1.280.0180.00425.92
8.1.270.0030.00620.16
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.77
8.1.230.0070.00418.87
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.40
8.1.180.0030.00518.54
8.1.170.0080.00018.59
8.1.160.0040.00422.13
8.1.150.0000.00718.56
8.1.140.0070.00017.38
8.1.130.0030.00317.83
8.1.120.0000.00817.39
8.1.110.0040.00417.23
8.1.100.0000.00717.42
8.1.90.0000.00717.36
8.1.80.0040.00417.31
8.1.70.0030.00317.40
8.1.60.0030.00517.41
8.1.50.0040.00417.46
8.1.40.0040.00417.36
8.1.30.0000.00717.47
8.1.20.0090.00017.41
8.1.10.0000.00817.50
8.1.00.0000.00817.43
8.0.300.0070.00018.77
8.0.290.0090.00017.18
8.0.280.0080.00018.38
8.0.270.0000.00717.14
8.0.260.0080.00016.81
8.0.250.0070.00016.85
8.0.240.0030.00716.90
8.0.230.0000.00716.95
8.0.220.0030.00316.73
8.0.210.0000.00716.82
8.0.200.0000.00616.77
8.0.190.0050.00316.79
8.0.180.0040.00416.85
8.0.170.0040.00416.88
8.0.160.0040.00416.76
8.0.150.0040.00416.79
8.0.140.0000.00716.67
8.0.130.0000.00613.29
8.0.120.0000.00716.79
8.0.110.0000.00816.73
8.0.100.0000.00816.81
8.0.90.0030.00316.79
8.0.80.0060.00916.84
8.0.70.0080.00016.82
8.0.60.0000.00716.82
8.0.50.0040.00416.81
8.0.30.0080.01117.14
8.0.20.0120.00917.40
8.0.10.0000.00716.92
8.0.00.0110.00916.63
7.4.330.0040.00015.00
7.4.320.0060.00016.49
7.4.300.0000.00716.48
7.4.290.0030.00316.62
7.4.280.0060.00316.37
7.4.270.0000.00716.48
7.4.260.0000.00716.58
7.4.250.0000.00716.46
7.4.240.0030.00416.44
7.4.230.0040.00416.42
7.4.220.0100.01316.65
7.4.210.0120.00616.57
7.4.200.0000.00716.35
7.4.190.0070.00016.65
7.4.160.0150.00316.58
7.4.150.0100.01017.40
7.4.140.0090.01117.86
7.4.130.0140.00316.46
7.4.120.0070.01016.52
7.4.110.0100.00616.46
7.4.100.0150.00916.32
7.4.90.0130.00416.36
7.4.80.0070.01019.39
7.4.70.0120.00616.38
7.4.60.0040.01516.49
7.4.50.0030.00616.25
7.4.40.0110.00422.77
7.4.30.0090.00816.38
7.4.00.0040.01114.89
7.3.330.0050.00012.94
7.3.320.0000.00513.07
7.3.310.0060.00016.14
7.3.300.0000.00716.09
7.3.290.0030.01616.21
7.3.280.0080.00816.24
7.3.270.0070.01017.40
7.3.260.0070.01116.37
7.3.250.0080.00816.22
7.3.240.0150.00616.33
7.3.230.0130.00316.51
7.3.210.0190.00416.12
7.3.200.0100.01019.39
7.3.190.0080.00816.25
7.3.180.0070.00716.16
7.3.170.0060.01016.30
7.3.160.0150.00316.48
7.3.120.0120.00314.66
7.3.10.0040.01116.63
7.3.00.0070.00316.36
7.2.330.0140.00416.58
7.2.320.0120.00616.55
7.2.310.0060.01616.44
7.2.300.0060.00916.21
7.2.290.0060.01116.30
7.2.130.0030.01016.81
7.2.120.0000.01116.82
7.2.110.0000.01116.84
7.2.100.0060.00816.79
7.2.90.0050.00516.44
7.2.80.0110.00016.75
7.2.70.0070.00416.66
7.2.60.0040.01216.90
7.2.50.0000.00816.84
7.2.40.0000.00816.61
7.2.30.0030.00916.96
7.2.20.0030.00916.85
7.2.10.0070.00416.63
7.2.00.0050.00817.84
7.1.250.0030.00615.80
7.1.100.0060.00617.90
7.1.70.0030.00917.02
7.1.60.0060.01919.82
7.1.50.0070.00716.53
7.1.00.0100.05322.29
7.0.200.1170.00314.85
7.0.140.0100.06722.01
7.0.60.0100.08019.91
7.0.50.0070.07017.77
7.0.40.0070.08320.09
7.0.30.0200.04020.13
7.0.20.0270.07720.16
7.0.10.0300.04020.13
7.0.00.0100.08720.13
5.6.280.0070.07021.05
5.6.210.0030.08720.62
5.6.200.0030.05718.21
5.6.190.0000.04720.41
5.6.180.4270.03020.36
5.6.170.0200.04720.71
5.6.160.0070.04320.49
5.6.150.0000.04318.18
5.6.140.0170.07018.11
5.6.130.0030.04318.11
5.6.120.0230.07721.11
5.6.110.0070.08720.97
5.6.100.0070.08320.98
5.6.90.0130.08020.95
5.6.80.0070.03720.50
5.6.70.0200.08020.36
5.5.350.0200.06320.29
5.5.340.0030.08317.88
5.5.330.0030.04020.12
5.5.320.0270.06320.20
5.5.310.0230.04320.32
5.5.300.0070.04317.96
5.5.290.0070.06318.01
5.5.280.0130.08020.76
5.5.270.0030.08720.63
5.5.260.0070.04720.71
5.5.250.0130.07320.54
5.5.240.0070.03720.25
5.4.450.0730.05319.48
5.4.440.0800.05319.48
5.4.430.0300.05719.41
5.4.420.0370.07719.63
5.4.410.0630.05718.96
5.4.400.0430.06718.76
5.4.390.0400.06018.70
5.4.380.0300.05318.70
5.4.370.0170.05018.50
5.4.360.0170.07318.57
5.4.350.0160.07311.97
5.4.340.0120.04611.96
5.4.320.0070.03612.45
5.4.310.0120.04712.45
5.4.300.0060.03612.45
5.4.290.0030.04112.45
5.4.280.0090.04712.34
5.4.270.0050.03912.35
5.4.260.0040.04012.34
5.4.250.0230.04018.90
5.4.240.0230.04318.88
5.4.230.0100.05318.93
5.4.220.0030.08718.89
5.4.210.0130.06718.80
5.4.200.0130.04318.87
5.4.190.0130.05718.74
5.4.180.0170.05018.93
5.4.170.0100.07719.03
5.4.160.0100.05318.69
5.4.150.0030.05719.02
5.4.140.0100.07016.24
5.4.130.0170.04016.23
5.4.120.0070.07316.45
5.4.110.0100.06016.41
5.4.100.0130.04316.49
5.4.90.0100.05316.35
5.4.80.0000.06016.37
5.4.70.0130.06316.40
5.4.60.0070.05016.50
5.4.50.0070.05016.49
5.4.40.0200.03716.51
5.4.30.0100.04716.46
5.4.20.0130.04016.26
5.4.10.0270.05016.32
5.4.00.0130.04015.71
5.3.290.0060.03912.80
5.3.280.0100.05014.60
5.3.270.0070.05714.30
5.3.260.0130.06714.60
5.3.250.0070.05014.61
5.3.240.0100.06714.48
5.3.230.0100.04714.60
5.3.220.0130.04714.45
5.3.210.0070.07714.45
5.3.200.0130.07014.42
5.3.190.0070.05314.58
5.3.180.0100.04714.71
5.3.170.0070.06314.57
5.3.160.0030.05314.26
5.3.150.0100.04714.25
5.3.140.0100.04714.57
5.3.130.0130.06014.55
5.3.120.0100.04714.43
5.3.110.0130.04714.39
5.3.100.0130.04314.12
5.3.90.0130.04013.85
5.3.80.0070.07014.02
5.3.70.0100.07314.03
5.3.60.0030.07314.01
5.3.50.0030.05713.78
5.3.40.0130.05013.88
5.3.30.0070.05013.93
5.3.20.0130.04313.68
5.3.10.0000.05713.48
5.3.00.0130.06313.57
5.2.170.0070.04311.15
5.2.160.0030.04311.14
5.2.150.0030.04311.29
5.2.140.0070.04011.03
5.2.130.0070.05011.11
5.2.120.0100.05311.03
5.2.110.0100.05310.93
5.2.100.0000.06011.21
5.2.90.0100.03711.02
5.2.80.0070.05311.00
5.2.70.0070.04011.24
5.2.60.0070.04010.98
5.2.50.0000.04310.93
5.2.40.0100.04311.00
5.2.30.0000.04310.96
5.2.20.0070.03710.87
5.2.10.0130.04710.76
5.2.00.0100.05310.69
5.1.60.0070.04710.07
5.1.50.0100.0379.87
5.1.40.0000.0379.86
5.1.30.0070.03310.38
5.1.20.0000.04010.32
5.1.10.0170.03710.13
5.1.00.0030.03710.20
5.0.50.0000.0308.50
5.0.40.0100.0208.44
5.0.30.0030.0408.28
5.0.20.0030.0378.38
5.0.10.0070.0238.21
5.0.00.0070.0538.38
4.4.90.0030.0236.95
4.4.80.0000.0236.95
4.4.70.0070.0206.95
4.4.60.0000.0236.95
4.4.50.0000.0236.95
4.4.40.0000.0336.95
4.4.30.0070.0276.95
4.4.20.0030.0236.95
4.4.10.0030.0236.95
4.4.00.0070.0306.95
4.3.110.0030.0306.95
4.3.100.0000.0236.95
4.3.90.0030.0206.95
4.3.80.0000.0436.95
4.3.70.0000.0236.95
4.3.60.0030.0206.95
4.3.50.0030.0336.95
4.3.40.0000.0336.95
4.3.30.0000.0336.95
4.3.20.0000.0276.95
4.3.10.0030.0306.95
4.3.00.0130.0206.73

preferences:
42.21 ms | 401 KiB | 5 Q