3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c{ } var_dump(isset(c::$foo) ? 'set' : 'not'); var_dump(c::$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)
8.3.60.0120.00916.75
8.3.50.0180.00521.92
8.3.40.0040.01118.79
8.3.30.0120.00618.72
8.3.20.0110.00320.21
8.3.10.0080.00021.83
8.3.00.0080.00019.25
8.2.180.0110.00418.41
8.2.170.0100.01022.96
8.2.160.0100.00320.57
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0070.00417.75
8.2.110.0030.00622.24
8.2.100.0040.00717.93
8.2.90.0000.00719.23
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0090.00017.93
8.2.50.0040.00418.07
8.2.40.0080.00019.38
8.2.30.0050.00320.59
8.2.20.0000.00717.64
8.2.10.0050.00318.10
8.2.00.0050.00318.02
8.1.280.0090.01225.92
8.1.270.0030.00923.96
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0030.00622.39
8.1.230.0070.00417.65
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0080.00017.35
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0000.00718.96
8.1.160.0080.00022.05
8.1.150.0040.00418.73
8.1.140.0050.00319.42
8.1.130.0070.00017.54
8.1.120.0000.00817.31
8.1.110.0030.00517.27
8.1.100.0040.00417.42
8.1.90.0040.00417.46
8.1.80.0000.00717.39
8.1.70.0070.00017.38
8.1.60.0040.00417.56
8.1.50.0000.00717.38
8.1.40.0040.00417.45
8.1.30.0000.00817.58
8.1.20.0000.00717.58
8.1.10.0040.00417.45
8.1.00.0040.00417.40
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.12
8.0.260.0000.00617.26
8.0.250.0000.00716.97
8.0.240.0040.00416.88
8.0.230.0070.00016.90
8.0.220.0030.00316.91
8.0.210.0000.00716.86
8.0.200.0060.00017.02
8.0.190.0030.00616.90
8.0.180.0070.00017.03
8.0.170.0000.00816.98
8.0.160.0050.00317.05
8.0.150.0030.00316.78
8.0.140.0070.00016.87
8.0.130.0030.00313.35
8.0.120.0000.00816.93
8.0.110.0030.00316.88
8.0.100.0000.00816.80
8.0.90.0040.00416.88
8.0.80.0070.01016.93
8.0.70.0020.00516.80
8.0.60.0040.00416.82
8.0.50.0040.00416.99
8.0.30.0060.01417.19
8.0.20.0080.01017.40
8.0.10.0000.00717.02
8.0.00.0100.00716.70
7.4.330.0000.00515.08
7.4.320.0060.00016.48
7.4.300.0030.00316.45
7.4.290.0000.00716.50
7.4.280.0000.00716.44
7.4.270.0030.00316.47
7.4.260.0070.00316.41
7.4.250.0040.00416.43
7.4.240.0050.00216.39
7.4.230.0070.00016.31
7.4.220.0050.00416.55
7.4.210.0000.02016.63
7.4.200.0040.00416.43
7.4.160.0070.01116.42
7.4.150.0120.00917.40
7.4.140.0110.00817.86
7.4.130.0100.00816.46
7.4.120.0070.01016.49
7.4.110.0120.01216.28
7.4.100.0100.01316.55
7.4.90.0100.00716.46
7.4.80.0050.01319.39
7.4.70.0090.00916.31
7.4.60.0120.00316.72
7.4.50.0080.00016.70
7.4.40.0130.00316.51
7.4.30.0140.00316.58
7.4.00.0070.01014.80
7.3.330.0000.00713.14
7.3.320.0000.00513.27
7.3.310.0000.00716.30
7.3.300.0030.00316.25
7.3.290.0080.00716.27
7.3.280.0070.01016.25
7.3.270.0040.01617.40
7.3.260.0120.00616.50
7.3.250.0070.00916.27
7.3.240.0130.00816.44
7.3.230.0070.01016.39
7.3.210.0090.00616.30
7.3.200.0170.00316.56
7.3.190.0070.01016.62
7.3.180.0100.01016.38
7.3.170.0030.01316.55
7.3.160.0090.00816.31
7.2.330.0090.00916.34
7.2.320.0120.01216.34
7.2.310.0120.00516.35
7.2.300.0080.00816.73
7.2.290.0090.00916.30
7.2.60.0100.00316.65
7.2.00.0100.00319.20
7.1.200.0070.00715.51
7.1.100.0100.00717.82
7.1.70.0090.00017.05
7.1.60.0090.00619.43
7.1.50.0070.01116.86
7.1.00.0030.07722.36
7.0.200.0380.00614.68
7.0.60.0070.04320.06
7.0.50.0100.03317.83
7.0.40.0070.06720.15
7.0.30.0030.05020.08
7.0.20.0300.07720.06
7.0.10.0030.05720.08
7.0.00.0030.04320.09
5.6.280.0030.07720.82
5.6.210.0030.09020.77
5.6.200.0100.05718.14
5.6.190.0170.06320.67
5.6.180.0270.07720.47
5.6.170.0230.04320.50
5.6.160.0070.03720.54
5.6.150.0070.08318.22
5.6.140.0030.06718.28
5.6.130.0070.05318.24
5.6.120.0130.07720.89
5.6.110.0130.07721.09
5.6.100.0030.04020.90
5.6.90.0030.09021.00
5.6.80.0030.04020.40
5.5.350.0330.07320.43
5.5.340.0100.07017.99
5.5.330.0130.07020.27
5.5.320.0130.06320.27
5.5.310.0330.07320.37
5.5.300.0030.04017.95
5.5.290.0070.03717.96
5.5.280.0170.04320.83
5.5.270.0070.08320.75
5.5.260.0130.08020.79
5.5.250.0300.06320.49
5.5.240.0030.07720.36
5.4.450.0000.07319.60
5.4.440.0230.06019.34
5.4.430.0230.05019.46
5.4.420.0170.05319.50
5.4.410.0270.04319.47
5.4.400.0130.05319.06
5.4.390.0230.04719.28
5.4.380.0170.06319.37
5.4.370.0270.06719.12
5.4.360.0270.07019.24
5.4.350.0230.05719.15
5.4.340.0170.06019.37
5.4.320.0300.06019.26
5.4.310.0300.05719.26
5.4.300.0130.05319.26
5.4.290.0270.04018.86
5.4.280.0230.05719.12
5.4.270.0230.06019.15
5.4.260.0230.04719.22
5.4.250.0170.07718.97
5.4.240.0130.06319.24
5.4.230.0170.05319.14
5.4.220.0100.05719.21
5.4.210.0170.05018.83
5.4.200.0200.07019.14
5.4.190.0200.06719.00
5.4.180.0270.05319.27
5.4.170.0100.05719.26
5.4.160.0300.04319.26
5.4.150.0300.06319.12
5.4.140.0230.05016.39
5.4.130.0170.05316.55
5.4.120.0400.05016.41
5.4.110.0200.06716.24
5.4.100.0170.05716.59
5.4.90.0200.05316.51
5.4.80.0370.04016.39
5.4.70.0170.06016.59
5.4.60.0130.05016.59
5.4.50.0230.04016.25
5.4.40.0170.04716.16
5.4.30.0200.05316.48
5.4.20.0130.05016.54
5.4.10.0230.06716.57
5.4.00.0300.04015.79

preferences:
49.81 ms | 401 KiB | 5 Q