3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($a));

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)
8.3.60.0070.01118.43
8.3.50.0100.00821.08
8.3.40.0000.01418.60
8.3.30.0090.01020.55
8.3.20.0100.00421.66
8.3.10.0110.00522.15
8.3.00.0110.00922.06
8.2.180.0130.01018.31
8.2.170.0070.00722.96
8.2.160.0080.01120.92
8.2.150.0070.00822.01
8.2.140.0120.00322.49
8.2.130.0110.00623.96
8.2.120.0100.00721.33
8.2.110.0150.00921.97
8.2.100.0160.00521.17
8.2.90.0180.00720.74
8.2.80.0150.00520.95
8.2.70.0150.00520.20
8.2.60.0180.00720.92
8.2.50.0140.00519.96
8.2.40.0100.00720.27
8.2.30.0150.00520.18
8.2.20.0120.00519.99
8.2.10.0130.00619.67
8.2.00.0100.00819.65
8.1.280.0140.00025.92
8.1.270.0080.00522.77
8.1.260.0100.00424.58
8.1.250.0080.00724.99
8.1.240.0120.00620.89
8.1.230.0100.00620.69
8.1.220.0110.00720.72
8.1.210.0080.00820.98
8.1.200.0120.00620.58
8.1.190.0090.00819.95
8.1.180.0130.00520.09
8.1.170.0080.00720.21
8.1.160.0080.00719.98
8.1.150.0080.00620.26
8.1.140.0080.00519.51
8.1.130.0080.00619.41
8.1.120.0100.00519.34
8.1.110.0080.00619.15
8.1.100.0080.00619.26
8.1.90.0080.00618.98
8.1.80.0090.00518.86
8.1.70.0080.00619.00
8.1.60.0100.00619.06
8.1.50.0100.00519.00
8.1.40.0100.00519.09
8.1.30.0090.00618.92
8.1.20.0130.00418.94
8.1.10.0140.00418.58
8.1.00.0140.00418.53
8.0.300.0130.00321.08
8.0.290.0140.00520.10
8.0.280.0110.00819.54
8.0.270.0100.00519.64
8.0.260.0100.00618.90
8.0.250.0130.00319.14
8.0.240.0120.00518.77
8.0.230.0120.00518.76
8.0.220.0110.00418.55
8.0.210.0100.00518.59
8.0.200.0110.00518.59
8.0.190.0110.00618.55
8.0.180.0100.00518.73
8.0.170.0110.00518.57
8.0.160.0120.00418.41
8.0.150.0130.00518.21
8.0.140.0120.00618.03
8.0.130.0140.00517.68
8.0.120.0150.00417.90
8.0.110.0130.00518.01
8.0.100.0140.00317.84
8.0.90.0100.00617.77
8.0.80.0120.00417.86
8.0.70.0110.00417.87
8.0.60.0110.00617.76
8.0.50.0130.00417.79
8.0.30.0110.00517.60
8.0.20.0110.00617.85
8.0.10.0130.00517.84
8.0.00.0100.00618.06
7.4.330.0100.00317.83
7.4.320.0150.00418.45
7.4.300.0130.00518.48
7.4.290.0130.00518.44
7.4.280.0160.00518.04
7.4.270.0150.00517.74
7.4.260.0170.00417.45
7.4.250.0170.00517.76
7.4.240.0160.00417.69
7.4.230.0160.00617.59
7.4.220.0130.00617.62
7.4.210.0120.00617.49
7.4.200.0130.00517.64
7.4.190.0130.00517.56
7.4.180.0120.00517.73
7.4.160.0120.00717.53
7.4.150.0130.00617.56
7.4.140.0130.00517.54
7.4.130.0140.00617.21
7.4.120.0140.00617.17
7.4.110.0140.00517.21
7.4.100.0130.00617.27
7.4.90.0140.00617.23
7.4.80.0150.00517.32
7.4.70.0140.00617.15
7.4.60.0130.00617.14
7.4.50.0150.00517.07
7.4.40.0130.00717.30
7.4.30.0120.00617.12
7.4.20.0120.00617.12
7.4.10.0120.00617.04
7.4.00.0110.00616.92
7.3.330.0140.00317.44
7.3.320.0140.00417.30
7.3.310.0160.00417.48
7.3.300.0130.00417.42
7.3.290.0150.00517.32
7.3.280.0130.00617.19
7.3.270.0140.00617.28
7.3.260.0170.00517.23
7.3.250.0140.00617.10
7.3.240.0160.00517.09
7.3.230.0140.00717.13
7.3.220.0150.00617.06
7.3.210.0140.00517.02
7.3.200.0130.00617.02
7.3.190.0150.00616.96
7.3.180.0160.00516.96
7.3.170.0150.00517.05
7.3.160.0140.00517.02
7.3.150.0120.00716.98
7.3.140.0130.00616.99
7.3.130.0120.00716.87
7.3.120.0120.00616.68
7.3.110.0130.00616.61
7.3.100.0130.00616.53
7.3.90.0120.00716.62
7.3.80.0110.00716.42
7.3.70.0110.00716.47
7.3.60.0130.00616.45
7.3.50.0140.00616.52
7.3.40.0140.00616.50
7.3.30.0130.00716.49
7.3.20.0130.00717.10
7.3.10.0150.00517.08
7.3.00.0120.00717.07
7.2.340.0140.00517.30
7.2.330.0150.00717.17
7.2.320.0150.00617.19
7.2.310.0150.00717.13
7.2.300.0160.00617.14
7.2.290.0160.00517.16
7.2.280.0140.00717.07
7.2.270.0140.00717.13
7.2.260.0140.00617.02
7.2.250.0140.00616.79
7.2.240.0130.00716.76
7.2.230.0140.00616.68
7.2.220.0120.00716.64
7.2.210.0130.00716.58
7.2.200.0150.00616.64
7.2.190.0130.00616.64
7.2.180.0140.00716.64
7.2.170.0130.00716.64
7.2.160.0120.00916.75
7.2.150.0150.00717.42
7.2.140.0150.00617.42
7.2.130.0160.00717.40
7.2.120.0170.00717.38
7.2.110.0150.00617.36
7.2.100.0150.00717.37
7.2.90.0160.00717.32
7.2.80.0160.00717.31
7.2.70.0150.00717.33
7.2.60.0370.00617.25
7.2.50.0150.00717.31
7.2.40.0160.00617.38
7.2.30.0140.00717.39
7.2.20.0160.00717.36
7.2.10.0160.00717.43
7.2.00.0150.00717.45
7.1.330.0130.00616.59
7.1.320.0140.00616.59
7.1.310.0140.00716.48
7.1.300.0130.00816.48
7.1.290.0140.00616.49
7.1.280.0160.00616.45
7.1.270.0140.00716.56
7.1.260.0140.00616.46
7.1.250.0160.00416.41
7.1.240.0170.00616.42
7.1.230.0170.00516.45
7.1.220.0160.00616.44
7.1.210.0240.00616.33
7.1.200.0170.00616.39
7.1.190.0150.00516.42
7.1.180.0190.00516.39
7.1.170.0160.00616.40
7.1.160.0160.00516.37
7.1.150.0160.00516.40
7.1.140.0170.00616.44
7.1.130.0170.00716.40
7.1.120.0200.00516.40
7.1.110.0140.00716.38
7.1.100.0380.00716.38
7.1.90.0390.00716.42
7.1.80.0360.00616.42
7.1.70.0160.00616.29
7.1.60.0190.00617.79
7.1.50.0220.00617.78
7.1.40.0160.00717.74
7.1.30.0150.00717.78
7.1.20.0270.00617.75
7.1.10.0160.00616.30
7.1.00.0200.00716.27
7.0.330.0150.00616.17
7.0.320.0150.00716.14
7.0.310.0160.00616.14
7.0.300.0180.00616.17
7.0.290.0160.00616.16
7.0.280.0170.00616.15
7.0.270.0160.00716.15
7.0.260.0160.00716.12
7.0.250.0170.00716.19
7.0.240.0150.00616.25
7.0.230.0370.00616.30
7.0.220.0360.00616.20
7.0.210.0150.00616.12
7.0.200.0250.00616.15
7.0.190.0240.00616.15
7.0.180.0200.00516.09
7.0.170.0150.00616.15
7.0.160.0140.00716.12
7.0.150.0170.00716.15
7.0.140.0150.00616.11
7.0.130.0140.00716.16
7.0.120.0150.00616.21
7.0.110.0190.00616.15
7.0.100.0160.00616.16
7.0.90.0190.00516.10
7.0.80.0170.00616.13
7.0.70.0140.00716.13
7.0.60.0140.00616.09
7.0.50.0120.00616.12
7.0.40.0130.00716.17
7.0.30.0130.00716.17
7.0.20.0150.00616.11
7.0.10.0160.00616.12
7.0.00.0150.00616.05
5.6.400.0130.00716.16
5.6.390.0120.00716.24
5.6.380.0130.00616.16
5.6.370.0120.00816.19
5.6.360.0130.00616.20
5.6.350.0150.00516.17
5.6.340.0140.00516.18
5.6.330.0130.00716.22
5.6.320.0130.00716.18
5.6.310.0120.00716.18
5.6.300.0130.01216.50
5.6.290.0110.01216.58
5.6.280.0120.01216.60
5.6.270.0130.01116.57
5.6.260.0130.01216.59
5.6.250.0120.01116.56
5.6.240.0110.01216.58
5.6.230.0130.01116.64
5.6.220.0120.01116.59
5.6.210.0120.01216.62
5.6.200.0130.01016.59
5.6.190.0120.01116.62
5.6.180.0120.01116.64
5.6.170.0120.01216.61
5.6.160.0130.01116.59
5.6.150.0120.01116.61
5.6.140.0120.01116.57
5.6.130.0110.01216.56
5.6.120.0120.01116.59
5.6.110.0120.01116.54
5.6.100.0120.01116.56
5.6.90.0130.00916.56
5.6.80.0120.01016.48
5.6.70.0120.01116.54
5.6.60.0120.01116.52
5.6.50.0120.01016.49
5.6.40.0120.01016.49
5.6.30.0120.01116.47
5.6.20.0100.01116.45
5.6.10.0100.01216.44
5.6.00.0120.01016.46
5.5.380.0140.01116.18
5.5.370.0130.01216.21
5.5.360.0140.01116.05
5.5.350.0130.01216.09
5.5.340.0140.01016.13
5.5.330.0140.01016.12
5.5.320.0120.01216.11
5.5.310.0130.01116.13
5.5.300.0140.01116.14
5.5.290.0130.01216.11
5.5.280.0130.01116.11
5.5.270.0130.01316.12
5.5.260.0140.01216.12
5.5.250.0140.01216.20
5.5.240.0140.01116.16
5.5.230.0130.01216.09
5.5.220.0140.01116.02
5.5.210.0150.00916.15
5.5.200.0130.01116.10
5.5.190.0130.01116.04
5.5.180.0130.01016.06
5.5.170.0140.00615.93
5.5.160.0120.01116.08
5.5.150.0110.01216.00
5.5.140.0130.01115.95
5.5.130.0120.01015.95
5.5.120.0130.01015.94
5.5.110.0130.01115.98
5.5.100.0120.01116.02
5.5.90.0120.01116.05
5.5.80.0120.01116.07
5.5.70.0110.01216.03
5.5.60.0130.01116.03
5.5.50.0130.01116.10
5.5.40.0140.01016.06
5.5.30.0130.01016.08
5.5.20.0130.01016.14
5.5.10.0130.01016.09
5.5.00.0130.01116.08
5.4.450.0100.01014.18
5.4.440.0110.01014.13
5.4.430.0100.01014.17
5.4.420.0110.00914.16
5.4.410.0110.01014.15
5.4.400.0110.00914.12
5.4.390.0110.01014.09
5.4.380.0110.00914.13
5.4.370.0110.00914.10
5.4.360.0120.00914.11
5.4.350.0100.01014.08
5.4.340.0110.00914.06
5.4.330.0100.00513.68
5.4.320.0120.00814.10
5.4.310.0110.00914.11
5.4.300.0110.00914.12
5.4.290.0110.00814.12
5.4.280.0110.00914.11
5.4.270.0100.01014.13
5.4.260.0100.00914.07
5.4.250.0110.00914.11
5.4.240.0120.00814.08
5.4.230.0120.00914.04
5.4.220.0120.00914.00
5.4.210.0110.00914.05
5.4.200.0110.00914.03
5.4.190.0120.00814.03
5.4.180.0110.01014.00
5.4.170.0100.00914.05
5.4.160.0100.01014.04
5.4.150.0110.00914.03
5.4.140.0100.01013.86
5.4.130.0110.00913.87
5.4.120.0100.00913.88
5.4.110.0090.01013.85
5.4.100.0100.00913.89
5.4.90.0100.00813.91
5.4.80.0100.00913.91
5.4.70.0100.00913.92
5.4.60.0090.00913.92
5.4.50.0100.00813.86
5.4.40.0100.00913.89
5.4.30.0090.00913.91
5.4.20.0100.01013.90
5.4.10.0100.01113.88
5.4.00.0100.01013.79
5.3.290.0110.01014.04
5.3.280.0100.01013.95
5.3.270.0090.01113.98
5.3.260.0100.01014.00
5.3.250.0090.01113.99
5.3.240.0110.01013.93
5.3.230.0100.01013.96
5.3.220.0100.00913.91
5.3.210.0090.01113.87
5.3.200.0100.00913.89
5.3.190.0100.00813.90
5.3.180.0100.01013.99
5.3.170.0100.01013.99
5.3.160.0090.01013.99
5.3.150.0100.00913.99
5.3.140.0110.00813.96
5.3.130.0120.00913.96
5.3.120.0100.01113.95
5.3.110.0110.01013.97
5.3.100.0100.00913.86
5.3.90.0100.00913.94
5.3.80.0090.00913.82
5.3.70.0100.00913.84
5.3.60.0100.00913.92
5.3.50.0110.00913.83
5.3.40.0100.01013.83
5.3.30.0100.01013.90
5.3.20.0100.01013.85
5.3.10.0100.01013.73
5.3.00.0090.01013.73

preferences:
58.87 ms | 401 KiB | 5 Q