3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fred = null; echo ! $fred; echo ! null; $dino = new stdClass;

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)
8.3.60.0110.00416.50
8.3.50.0190.00421.12
8.3.40.0070.01018.55
8.3.30.0110.00418.41
8.3.20.0080.00020.25
8.3.10.0000.00723.48
8.3.00.0080.00017.88
8.2.180.0030.01718.41
8.2.170.0120.00322.96
8.2.160.0100.00320.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.75
8.2.110.0000.01122.24
8.2.100.0090.00317.93
8.2.90.0050.00319.05
8.2.80.0030.00617.97
8.2.70.0090.00017.63
8.2.60.0080.00017.79
8.2.50.0030.00518.07
8.2.40.0000.00821.19
8.2.30.0050.00320.48
8.2.20.0050.00217.55
8.2.10.0070.00018.15
8.2.00.0030.00518.13
8.1.280.0090.00925.92
8.1.270.0060.00323.77
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00422.53
8.1.230.0060.00619.26
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0060.00320.37
8.1.160.0040.00421.92
8.1.150.0000.00718.79
8.1.140.0030.00519.64
8.1.130.0030.00317.61
8.1.120.0000.00717.37
8.1.110.0030.00517.35
8.1.100.0050.00217.38
8.1.90.0050.00317.36
8.1.80.0000.00817.34
8.1.70.0030.00317.45
8.1.60.0000.00817.46
8.1.50.0080.00017.55
8.1.40.0000.00817.38
8.1.30.0090.00017.48
8.1.20.0040.00417.63
8.1.10.0020.00517.53
8.1.00.0000.00717.57
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.51
8.0.270.0000.00717.16
8.0.260.0000.00617.24
8.0.250.0000.00716.94
8.0.240.0060.00016.81
8.0.230.0000.00716.96
8.0.220.0070.00016.89
8.0.210.0030.00316.87
8.0.200.0030.00316.96
8.0.190.0000.00816.94
8.0.180.0040.00416.79
8.0.170.0000.00716.81
8.0.160.0050.00316.89
8.0.150.0050.00316.85
8.0.140.0000.00716.79
8.0.130.0030.00313.36
8.0.120.0080.00016.81
8.0.110.0000.00816.79
8.0.100.0030.00516.77
8.0.90.0030.00316.85
8.0.80.0120.00316.86
8.0.70.0070.00016.87
8.0.60.0000.00716.73
8.0.50.0000.00716.69
8.0.30.0130.00417.09
8.0.20.0130.00617.40
8.0.10.0050.00316.88
8.0.00.0110.00716.84
7.4.330.0000.00615.08
7.4.320.0030.00316.45
7.4.300.0030.00316.57
7.4.290.0030.00316.50
7.4.280.0000.00816.60
7.4.270.0050.00316.54
7.4.260.0000.00616.48
7.4.250.0030.00316.39
7.4.240.0030.00416.50
7.4.230.0030.00316.69
7.4.220.0120.00616.55
7.4.210.0140.00316.67
7.4.200.0060.00316.41
7.4.160.0140.00316.43
7.4.150.0130.00917.40
7.4.140.0140.00917.86
7.4.130.0090.00916.41
7.4.120.0110.00516.57
7.4.110.0090.00916.47
7.4.100.0120.01216.63
7.4.90.0090.00916.31
7.4.80.0120.00619.39
7.4.70.0170.00016.28
7.4.60.0170.00016.51
7.4.50.0060.00316.40
7.4.40.0000.01616.37
7.4.30.0090.00916.55
7.4.00.0040.01114.89
7.3.330.0000.00513.04
7.3.320.0040.00412.96
7.3.310.0000.00716.04
7.3.300.0000.00716.19
7.3.290.0100.00516.20
7.3.280.0100.01016.20
7.3.270.0110.00717.40
7.3.260.0120.00616.45
7.3.250.0100.01016.33
7.3.240.0090.00916.37
7.3.230.0100.00716.53
7.3.210.0030.01416.45
7.3.200.0160.00016.37
7.3.190.0090.00916.43
7.3.180.0090.00716.50
7.3.170.0090.00916.27
7.3.160.0090.00916.39
7.2.330.0060.01016.37
7.2.320.0090.00916.36
7.2.310.0110.00616.53
7.2.300.0100.00716.42
7.2.290.0060.01116.50
7.2.60.0030.01016.84
7.1.200.0070.00015.93
7.1.70.0040.00417.08
7.1.60.0110.01519.50
7.1.50.0110.01116.62
7.1.00.0100.06722.57
7.0.200.0030.00614.93
7.0.60.0070.04719.86
7.0.50.0070.06717.80
7.0.40.0000.08320.41
7.0.30.0300.08020.00
7.0.20.0200.04720.33
7.0.10.0070.05320.09
7.0.00.0100.09320.19
5.6.280.0030.03320.81
5.6.210.0070.07720.62
5.6.200.0070.08718.08
5.6.190.0100.08020.33
5.6.180.0300.05720.63
5.6.170.0430.03720.42
5.6.160.0000.05020.51
5.6.150.0030.04318.21
5.6.140.0100.08318.06
5.6.130.0000.04318.14
5.6.120.0070.08321.13
5.6.110.0100.07721.00
5.6.100.0070.07721.00
5.6.90.0100.06720.95
5.6.80.0130.07320.39
5.5.350.0270.07720.39
5.5.340.0000.05717.93
5.5.330.0070.05020.21
5.5.320.0400.08020.28
5.5.310.1670.03720.31
5.5.300.0030.04017.98
5.5.290.0000.05318.00
5.5.280.0130.07720.77
5.5.270.0030.08720.72
5.5.260.0100.08020.68
5.5.250.0100.08720.61
5.5.240.0030.07720.21
5.4.450.0770.05319.13
5.4.440.0700.06319.27
5.4.430.0830.04719.47
5.4.420.0800.04719.47
5.4.410.0700.05719.19
5.4.400.0770.05319.26
5.4.390.0730.05719.22
5.4.380.0830.04719.33
5.4.370.0830.04718.92
5.4.360.0730.06719.14
5.4.350.0730.05319.30
5.4.340.0830.04019.06
5.4.320.0770.05718.94
5.4.310.0770.05019.22
5.4.300.0630.06319.14
5.4.290.0770.04719.21
5.4.280.0900.08019.14
5.4.270.0730.05318.95
5.4.260.0730.05318.94
5.4.250.0830.04718.80
5.4.240.0800.05719.14
5.4.230.0870.04019.14
5.4.220.0870.06719.19
5.4.210.1030.06018.94
5.4.200.0830.05318.94
5.4.190.0830.04719.07
5.4.180.0700.05718.98
5.4.170.0770.05018.98
5.4.160.0700.05318.89
5.4.150.0670.05719.06
5.4.140.0830.05016.65
5.4.130.0830.04016.25
5.4.120.0700.05316.28
5.4.110.0700.05316.45
5.4.100.0730.04716.36
5.4.90.0800.04016.07
5.4.80.0870.05316.52
5.4.70.0000.05716.37
5.4.60.0170.03316.47
5.4.50.0300.06016.31
5.4.40.0330.06316.19
5.4.30.0030.07016.46
5.4.20.0030.04716.36
5.4.10.0300.04716.29

preferences:
45.9 ms | 401 KiB | 5 Q