3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($test){ echo $test; } foo(isset($test) ? 'set' : 'not set'); $test = 'foo'; foo(isset($test) ? 'set foo' : 'not set 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)
8.3.60.0070.00718.27
8.3.50.0110.00922.12
8.3.40.0110.00718.71
8.3.30.0070.00719.18
8.3.20.0040.00420.29
8.3.10.0060.00323.56
8.3.00.0050.00319.05
8.2.180.0080.01118.07
8.2.170.0110.00718.75
8.2.160.0120.00922.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.27
8.2.110.0030.00622.43
8.2.100.0090.00317.72
8.2.90.0060.00319.09
8.2.80.0040.00419.27
8.2.70.0040.00417.63
8.2.60.0000.00818.03
8.2.50.0000.00918.07
8.2.40.0080.00018.09
8.2.30.0040.00418.16
8.2.20.0000.00817.66
8.2.10.0040.00419.84
8.2.00.0000.00719.92
8.1.280.0220.00025.92
8.1.270.0000.00820.32
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0080.00022.02
8.1.230.0040.00719.01
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.16
8.1.180.0050.00319.01
8.1.170.0000.00818.51
8.1.160.0000.00822.09
8.1.150.0060.00318.81
8.1.140.0070.00017.32
8.1.130.0000.00717.74
8.1.120.0000.00717.29
8.1.110.0000.00717.38
8.1.100.0070.00017.30
8.1.90.0000.00717.40
8.1.80.0030.00317.35
8.1.70.0000.00817.27
8.1.60.0040.00417.59
8.1.50.0000.00817.55
8.1.40.0040.00417.38
8.1.30.0000.00817.55
8.1.20.0040.00417.68
8.1.10.0050.00217.39
8.1.00.0000.00917.42
8.0.300.0070.00018.77
8.0.290.0000.00817.04
8.0.280.0050.00218.46
8.0.270.0050.00217.13
8.0.260.0000.00716.79
8.0.250.0000.00616.87
8.0.240.0000.00716.84
8.0.230.0060.00316.95
8.0.220.0000.00716.74
8.0.210.0040.00416.75
8.0.200.0000.00716.78
8.0.190.0080.00016.83
8.0.180.0040.00416.80
8.0.170.0050.00316.91
8.0.160.0030.00316.80
8.0.150.0000.00716.80
8.0.140.0050.00316.76
8.0.130.0040.00413.23
8.0.120.0080.00016.81
8.0.110.0040.00416.82
8.0.100.0000.00816.85
8.0.90.0040.00416.89
8.0.80.0070.01016.75
8.0.70.0040.00316.71
8.0.60.0000.00816.73
8.0.50.0070.00016.87
8.0.30.0130.00817.21
8.0.20.0160.01617.40
8.0.10.0030.00516.81
8.0.00.0090.00916.67
7.4.330.0000.00515.03
7.4.320.0000.00616.52
7.4.300.0000.00616.63
7.4.290.0080.00016.58
7.4.280.0040.00416.42
7.4.270.0000.00716.59
7.4.260.0030.00316.44
7.4.250.0040.00416.32
7.4.240.0020.00516.50
7.4.230.0040.00416.63
7.4.220.0070.01116.61
7.4.210.0090.00616.60
7.4.200.0040.00416.48
7.4.160.0060.00916.50
7.4.150.0070.01417.40
7.4.140.0150.01017.86
7.4.130.0120.00716.54
7.4.120.0120.00816.55
7.4.110.0000.01816.45
7.4.100.0120.01316.39
7.4.90.0070.01016.24
7.4.80.0120.00919.39
7.4.70.0030.01316.73
7.4.60.0100.00716.37
7.4.50.0060.00316.19
7.4.40.0070.01416.55
7.4.30.0130.00316.46
7.4.00.0070.01114.70
7.3.330.0030.00413.33
7.3.320.0000.00513.38
7.3.310.0000.00616.24
7.3.300.0070.00016.26
7.3.290.0040.00416.18
7.3.280.0090.00816.30
7.3.270.0100.01317.40
7.3.260.0060.01216.57
7.3.250.0130.00716.40
7.3.240.0160.00316.38
7.3.230.0130.00316.47
7.3.210.0100.01016.67
7.3.200.0110.00516.50
7.3.190.0110.00516.22
7.3.180.0140.00316.44
7.3.170.0110.00616.64
7.3.160.0060.01016.24
7.3.10.0030.00616.63
7.3.00.0060.00916.68
7.2.330.0130.00316.19
7.2.320.0340.00916.64
7.2.310.0070.01016.73
7.2.300.0070.01216.22
7.2.290.0090.00916.70
7.2.130.0070.00716.84
7.2.120.0060.00816.58
7.2.110.0070.00716.71
7.2.100.0100.00316.86
7.2.90.0060.00916.90
7.2.80.0090.00016.85
7.2.70.0060.00316.80
7.2.60.0060.00816.78
7.2.50.0040.01116.68
7.2.40.0090.00616.86
7.2.30.0060.00616.66
7.2.20.0100.00016.81
7.2.10.0060.00616.89
7.2.00.0090.00518.16
7.1.250.0000.01015.93
7.1.100.0030.00618.05
7.1.70.0000.01716.80
7.1.60.0140.01019.36
7.1.50.0180.00716.57
7.1.00.0030.07722.37
7.0.200.0880.00614.33
7.0.60.0030.04019.78
7.0.50.0000.05717.88
7.0.40.0000.05020.06
7.0.30.0270.04020.25
7.0.20.0200.04320.06
7.0.10.0030.04320.22
7.0.00.0030.07320.09
5.6.280.0000.07021.05
5.6.210.0200.02720.55
5.6.200.0100.05318.29
5.6.190.0070.04020.40
5.6.180.0070.05020.41
5.6.170.0270.07320.56
5.6.160.0100.07720.46
5.6.150.0030.04018.19
5.6.140.0070.08318.19
5.6.130.0000.07018.27
5.6.120.0030.07320.99
5.6.110.0070.06721.00
5.6.100.0030.06321.14
5.6.90.0030.04320.98
5.6.80.0100.07020.35
5.5.350.0230.07320.44
5.5.340.0030.04317.93
5.5.330.0200.07020.43
5.5.320.0130.04720.14
5.5.310.0130.04320.27
5.5.300.0130.07717.98
5.5.290.0070.04717.95
5.5.280.0070.06020.77
5.5.270.0130.06320.94
5.5.260.0230.07320.72
5.5.250.0100.03320.58
5.5.240.0070.07320.36
5.4.450.0770.07019.63
5.4.440.0800.05019.64
5.4.430.0030.06019.50
5.4.420.0170.05019.38
5.4.410.0130.05019.09
5.4.400.0070.07319.26
5.4.390.0070.05319.11
5.4.380.0100.05019.15
5.4.370.0100.06319.07
5.4.360.0030.05319.02
5.4.350.0030.07018.98
5.4.340.0200.04319.25
5.4.320.0070.05719.24
5.4.310.0070.05719.23
5.4.300.0100.05719.23
5.4.290.0130.06019.05
5.4.280.0000.06319.07
5.4.270.0030.05719.12
5.4.260.0070.05719.26
5.4.250.0170.04719.14
5.4.240.0000.06319.14
5.4.230.0100.05019.02
5.4.220.0070.06319.14
5.4.210.0170.05719.06
5.4.200.0170.04016.96
5.4.190.0070.05318.98
5.4.180.0270.03319.06
5.4.170.0100.05319.14
5.4.160.0130.06319.05
5.4.150.0170.04719.01
5.4.140.0170.05016.59
5.4.130.0100.06716.58
5.4.120.0130.06316.24
5.4.110.0100.06716.53
5.4.100.0070.07316.65
5.4.90.0070.07316.27
5.4.80.0130.04716.56
5.4.70.0100.05716.38
5.4.60.0070.05316.42
5.4.50.0170.05016.54
5.4.40.0170.06016.28
5.4.30.0070.05316.54
5.4.20.0100.05016.32
5.4.10.0100.04716.38
5.4.00.0130.04316.05
5.3.290.0170.06314.81
5.3.280.0100.07014.48
5.3.270.0100.07314.45
5.3.260.0070.07714.60
5.3.250.0170.06314.60
5.3.240.0070.06314.52
5.3.230.0100.06314.59
5.3.220.0170.04314.47
5.3.210.0130.05014.61
5.3.200.0130.04714.71
5.3.190.0130.05314.70
5.3.180.0100.05014.40
5.3.170.0130.04314.42
5.3.160.0100.05014.72
5.3.150.0070.05714.46
5.3.140.0070.05014.51
5.3.130.0100.06314.60
5.3.120.0000.08014.39
5.3.110.0130.05014.56
5.3.100.0030.05713.94
5.3.90.0100.05014.00
5.3.80.0100.05013.98
5.3.70.0070.05314.01
5.3.60.0130.04314.14
5.3.50.0130.05013.79
5.3.40.0070.05013.95
5.3.30.0100.05013.86
5.3.20.0030.05013.74
5.3.10.0100.04713.81
5.3.00.0070.05013.80
5.2.170.0130.03711.15
5.2.160.0130.03311.04
5.2.150.0130.03711.10
5.2.140.0000.05011.04
5.2.130.0030.04311.06
5.2.120.0030.04711.21
5.2.110.0100.03711.16
5.2.100.0170.03011.07
5.2.90.0100.04711.05
5.2.80.0000.05011.25
5.2.70.0070.04011.09
5.2.60.0030.04711.02
5.2.50.0070.04011.00
5.2.40.0070.04010.91
5.2.30.0100.04011.12
5.2.20.0070.04010.95
5.2.10.0030.04311.02
5.2.00.0130.03310.66
5.1.60.0070.0309.89
5.1.50.0100.0309.98
5.1.40.0070.0309.96
5.1.30.0030.03710.23
5.1.20.0030.04010.36
5.1.10.0030.04010.19
5.1.00.0030.0479.97
5.0.50.0100.0308.62
5.0.40.0030.0278.55
5.0.30.0130.0338.12
5.0.20.0030.0278.09
5.0.10.0030.0338.05
5.0.00.0100.0378.14
4.4.90.0100.0175.91
4.4.80.0030.0305.82
4.4.70.0130.0205.82
4.4.60.0070.0275.74
4.4.50.0000.0235.77
4.4.40.0070.0305.73
4.4.30.0100.0135.84
4.4.20.0030.0205.79
4.4.10.0000.0275.83
4.4.00.0030.0335.89
4.3.110.0030.0205.71
4.3.100.0000.0235.77
4.3.90.0070.0235.66
4.3.80.0100.0375.79
4.3.70.0000.0235.80
4.3.60.0070.0175.72
4.3.50.0030.0205.75
4.3.40.0000.0375.72
4.3.30.0030.0204.54
4.3.20.0030.0204.39
4.3.10.0000.0234.38
4.3.00.0070.0177.06

preferences:
70.4 ms | 401 KiB | 5 Q