3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'a'; $undefined[] = $foo;

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)
8.3.60.0070.01018.27
8.3.50.0100.00922.03
8.3.40.0070.01118.63
8.3.30.0110.00818.92
8.3.20.0000.00720.34
8.3.10.0050.00323.71
8.3.00.0050.00317.91
8.2.180.0110.00718.04
8.2.170.0120.00322.96
8.2.160.0040.01120.33
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0130.00026.16
8.2.120.0050.00321.02
8.2.110.0030.00620.29
8.2.100.0060.00617.78
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00718.04
8.2.50.0060.00318.07
8.2.40.0050.00319.89
8.2.30.0040.00418.06
8.2.20.0000.00717.71
8.2.10.0040.00418.09
8.2.00.0000.00717.61
8.1.280.0140.00325.92
8.1.270.0050.00323.79
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00024.01
8.1.230.0000.01117.51
8.1.220.0040.00417.79
8.1.210.0080.00318.77
8.1.200.0060.00317.11
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0000.00818.61
8.1.160.0040.00421.91
8.1.150.0000.00718.72
8.1.140.0090.00017.44
8.1.130.0000.00717.73
8.1.120.0040.00417.29
8.1.110.0040.00417.40
8.1.100.0000.00817.28
8.1.90.0000.00717.41
8.1.80.0030.00317.35
8.1.70.0070.00017.28
8.1.60.0000.00817.43
8.1.50.0040.00417.49
8.1.40.0000.00817.45
8.1.30.0030.00617.47
8.1.20.0000.00817.45
8.1.10.0050.00217.37
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0030.00318.37
8.0.270.0030.00317.14
8.0.260.0070.00017.20
8.0.250.0030.00616.91
8.0.240.0000.00816.93
8.0.230.0070.00016.88
8.0.220.0040.00416.81
8.0.210.0080.00016.70
8.0.200.0060.00016.93
8.0.190.0000.00816.88
8.0.180.0040.00416.86
8.0.170.0040.00416.80
8.0.160.0030.00316.71
8.0.150.0070.00016.87
8.0.140.0000.00716.82
8.0.130.0030.00313.23
8.0.120.0050.00316.81
8.0.110.0000.00916.73
8.0.100.0070.00016.78
8.0.90.0070.00016.79
8.0.80.0070.00716.80
8.0.70.0000.00716.64
8.0.60.0040.00416.79
8.0.50.0040.00416.72
8.0.30.0110.00716.94
8.0.20.0070.01217.40
8.0.10.0080.00016.74
8.0.00.0060.01116.66
7.4.330.0000.00515.00
7.4.320.0000.00816.58
7.4.300.0030.00316.51
7.4.290.0030.00316.42
7.4.280.0040.00416.29
7.4.270.0000.00716.50
7.4.260.0080.00016.43
7.4.250.0000.00816.53
7.4.240.0040.00516.46
7.4.230.0060.00016.34
7.4.220.0060.02016.61
7.4.210.0070.00716.44
7.4.200.0000.00716.54
7.4.160.0060.00916.60
7.4.150.0090.01017.40
7.4.140.0060.01017.86
7.4.130.0060.01016.52
7.4.120.0110.00516.44
7.4.110.0030.01416.47
7.4.100.0060.01516.42
7.4.90.0060.01216.41
7.4.80.0160.00319.39
7.4.70.0140.00516.52
7.4.60.0100.00716.34
7.4.50.0000.00816.52
7.4.40.0100.00916.39
7.4.30.0130.00316.45
7.4.00.0020.01315.12
7.3.330.0050.00013.03
7.3.320.0050.00012.90
7.3.310.0030.00316.12
7.3.300.0070.00016.18
7.3.290.0100.00716.23
7.3.280.0080.00816.17
7.3.270.0170.00317.40
7.3.260.0100.01016.39
7.3.250.0110.01116.32
7.3.240.0030.01316.27
7.3.230.0090.00916.39
7.3.210.0160.00316.16
7.3.200.0110.00619.39
7.3.190.0140.00916.25
7.3.180.0060.00916.54
7.3.170.0130.00316.27
7.3.160.0060.01016.27
7.3.120.0050.01214.57
7.3.110.0100.00714.72
7.3.100.0070.01014.64
7.3.90.0000.01314.66
7.3.80.0000.01414.72
7.3.70.0030.00914.57
7.3.60.0100.00314.66
7.3.50.0070.00714.86
7.3.40.0080.00814.73
7.3.30.0090.00614.62
7.3.20.0060.00916.65
7.3.10.0060.00316.46
7.3.00.0110.00316.72
7.2.330.0080.00816.29
7.2.320.0100.01016.58
7.2.310.0090.00616.58
7.2.300.0060.01016.59
7.2.290.0060.01016.45
7.2.250.0030.01614.99
7.2.240.0130.00715.12
7.2.230.0030.01314.83
7.2.220.0080.00614.86
7.2.210.0070.01014.75
7.2.200.0040.00814.75
7.2.190.0040.01215.02
7.2.180.0060.00315.07
7.2.170.0040.00714.95
7.2.00.0060.00919.40
7.1.330.0040.01115.71
7.1.320.0080.00815.76
7.1.310.0060.00615.58
7.1.300.0080.00415.65
7.1.290.0040.00415.68
7.1.280.0040.01115.85
7.1.270.0060.00915.48
7.1.260.0000.01415.68
7.1.200.0000.01215.43
7.1.100.0480.01317.98
7.1.70.0020.00517.03
7.1.60.0100.01019.25
7.1.50.0060.01516.77
7.1.00.0100.07022.54
7.0.200.0000.00716.73
7.0.140.0070.07022.00
7.0.60.0100.08320.00
7.0.50.0100.05017.71
7.0.40.0030.04720.15
7.0.30.0300.05320.02
7.0.20.0300.06020.02
7.0.10.0030.09020.04
7.0.00.0030.05320.16
5.6.280.0030.07320.92
5.6.210.0130.07320.64
5.6.200.0070.07018.12
5.6.190.0100.08320.64
5.6.180.0200.04320.67
5.6.170.0270.07320.52
5.6.160.0130.07720.38
5.6.150.0070.03718.11
5.6.140.0030.04018.07
5.6.130.0070.03718.22
5.6.120.0000.05720.99
5.6.110.0070.08321.10
5.6.100.0070.08320.97
5.6.90.0100.08021.02
5.6.80.0100.07720.33
5.5.350.0230.07320.48
5.5.340.0000.04017.95
5.5.330.0070.05020.23
5.5.320.0100.04720.35
5.5.310.0270.07320.33
5.5.300.0130.07717.98
5.5.290.0000.09017.94
5.5.280.0330.05020.82
5.5.270.0000.04320.66
5.5.260.0200.08020.76
5.5.250.0170.04020.61
5.5.240.0100.06020.11
5.4.450.0200.05319.45
5.4.440.0570.05319.14
5.4.430.0700.05719.54
5.4.420.0630.05719.32
5.4.410.0070.05318.87
5.4.400.0470.07018.76
5.4.390.0600.07018.50
5.4.380.0070.06018.77
5.4.370.0100.04718.50
5.4.360.0070.05318.50
5.4.350.0050.03911.97
5.4.340.0120.03211.96
5.4.320.0080.03512.45
5.4.310.0060.03912.45
5.4.300.0090.03812.45
5.4.290.0040.04112.45
5.4.280.0110.03112.35
5.4.270.0060.03612.35
5.4.260.0060.03712.34
5.4.250.0130.03412.35
5.4.240.0040.03912.34
5.4.230.0080.03612.34
5.4.220.0100.04212.34
5.4.210.0040.04212.34
5.4.200.0050.04212.34
5.4.190.0070.03412.34
5.4.180.0110.03312.34
5.4.170.0070.03512.34
5.4.160.0110.03612.34
5.4.150.0080.04912.34
5.4.140.0110.03412.02
5.4.130.0070.03412.01
5.4.120.0060.03611.97
5.4.110.0060.04011.96
5.4.100.0050.04311.96
5.4.90.0070.03711.96
5.4.80.0050.03711.97
5.4.70.0070.03911.96
5.4.60.0070.03311.96
5.4.50.0050.03811.96
5.4.40.0090.03311.95
5.4.30.0070.03711.95
5.4.20.0060.03711.94
5.4.10.0030.03611.95
5.4.00.0060.03511.43
5.3.290.0060.03912.80
5.3.280.0030.04012.71
5.3.270.0070.04012.72
5.3.260.0060.03912.72
5.3.250.0070.03612.72
5.3.240.0060.03712.72
5.3.230.0090.04112.71
5.3.220.0070.03912.68
5.3.210.0050.04112.68
5.3.200.0080.04112.68
5.3.190.0100.03412.68
5.3.180.0060.03612.68
5.3.170.0070.03612.67
5.3.160.0050.03812.67
5.3.150.0030.04212.68
5.3.140.0050.03712.66
5.3.130.0040.04012.66
5.3.120.0100.03512.66
5.3.110.0090.03612.66
5.3.100.0040.03812.12
5.3.90.0100.03212.08
5.3.80.0030.03912.08
5.3.70.0080.04012.08
5.3.60.0080.04612.06
5.3.50.0050.03812.00
5.3.40.0070.03612.00
5.3.30.0070.03411.94
5.3.20.0040.04111.71
5.3.10.0050.03511.69
5.3.00.0040.03811.67
5.2.170.0080.0329.17
5.2.160.0020.0319.17
5.2.150.0030.0319.18
5.2.140.0080.0339.17
5.2.130.0050.0389.13
5.2.120.0030.0329.13
5.2.110.0040.0389.14
5.2.100.0050.0339.13
5.2.90.0090.0289.13
5.2.80.0040.0319.13
5.2.70.0060.0339.13
5.2.60.0060.0299.09
5.2.50.0050.0369.05
5.2.40.0040.0299.04
5.2.30.0030.0339.01
5.2.20.0020.0328.99
5.2.10.0040.0288.91
5.2.00.0050.0298.77
5.1.60.0070.0218.05
5.1.50.0030.0268.05
5.1.40.0030.0258.04
5.1.30.0070.0328.39
5.1.20.0060.0258.41
5.1.10.0020.0288.13
5.1.00.0070.0278.13
5.0.50.0020.0236.61
5.0.40.0020.0206.47
5.0.30.0030.0326.28
5.0.20.0040.0196.26
5.0.10.0050.0206.23
5.0.00.0040.0316.23
4.4.90.0040.0144.78
4.4.80.0080.0214.76
4.4.70.0050.0174.75
4.4.60.0030.0164.75
4.4.50.0030.0154.77
4.4.40.0020.0284.71
4.4.30.0020.0174.75
4.4.20.0030.0164.84
4.4.10.0010.0224.85
4.4.00.0020.0274.76
4.3.110.0040.0154.66
4.3.100.0050.0144.66
4.3.90.0020.0174.63
4.3.80.0040.0254.59
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0050.0194.63
4.3.40.0070.0254.54
4.3.30.0000.0193.28
4.3.20.0000.0183.25
4.3.10.0020.0163.21
4.3.00.0030.0207.13

preferences:
42.18 ms | 401 KiB | 5 Q