3v4l.org

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

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)
8.3.60.0060.01618.22
8.3.50.0100.00521.08
8.3.40.0210.00819.12
8.3.30.0150.00519.34
8.3.20.0090.00923.30
8.3.10.0070.01023.80
8.3.00.0090.00923.09
8.2.180.0100.00716.50
8.2.170.0180.01120.85
8.2.160.0200.00620.11
8.2.150.0150.00323.65
8.2.140.0130.00324.06
8.2.130.0100.00524.47
8.2.120.0110.00422.56
8.2.110.0090.00822.55
8.2.100.0120.00821.40
8.2.90.0150.00721.34
8.2.80.0100.00621.44
8.2.70.0090.00820.57
8.2.60.0130.00520.23
8.2.50.0120.00820.15
8.2.40.0120.00820.18
8.2.30.0110.00720.13
8.2.20.0100.00620.15
8.2.10.0140.00620.13
8.2.00.0150.00420.13
8.1.280.0100.00725.92
8.1.270.0080.00624.35
8.1.260.0050.00924.86
8.1.250.0040.01125.41
8.1.240.0150.00421.76
8.1.230.0120.00921.86
8.1.220.0130.00721.25
8.1.210.0070.01021.64
8.1.200.0120.00620.42
8.1.190.0090.00919.89
8.1.180.0130.00520.09
8.1.170.0120.00620.12
8.1.160.0110.00720.69
8.1.150.0120.00520.12
8.1.140.0140.00419.88
8.1.130.0140.00320.15
8.1.120.0100.00719.72
8.1.110.0090.00619.10
8.1.100.0100.00619.05
8.1.90.0120.00418.84
8.1.80.0090.00718.94
8.1.70.0110.00518.88
8.1.60.0130.00518.92
8.1.50.0130.00519.00
8.1.40.0120.00518.96
8.1.30.0110.00518.88
8.1.20.0110.00618.96
8.1.10.0100.00718.78
8.1.00.0120.00618.73
8.0.300.0080.00721.35
8.0.290.0160.00720.62
8.0.280.0140.00519.69
8.0.270.0130.00519.56
8.0.260.0170.00519.73
8.0.250.0110.00519.11
8.0.240.0110.00718.84
8.0.230.0100.00718.70
8.0.220.0130.00518.45
8.0.210.0110.00518.32
8.0.200.0120.00518.35
8.0.190.0120.00518.39
8.0.180.0120.00418.35
8.0.170.0130.00418.34
8.0.160.0100.00518.23
8.0.150.0120.00518.29
8.0.140.0110.00618.18
8.0.130.0120.00418.07
8.0.120.0090.00718.18
8.0.110.0110.00518.21
8.0.100.0110.00618.21
8.0.90.0100.00618.17
8.0.80.0120.00518.18
8.0.70.0100.00618.20
8.0.60.0120.00518.20
8.0.50.0110.00518.33
8.0.30.0120.00617.97
8.0.20.0110.00618.08
8.0.10.0130.00518.21
8.0.00.0100.00718.32
7.4.330.0090.00318.32
7.4.320.0120.00518.77
7.4.300.0110.00618.11
7.4.290.0120.00518.06
7.4.280.0110.00517.93
7.4.270.0120.00517.96
7.4.260.0120.00517.96
7.4.250.0120.00418.00
7.4.240.0110.00517.86
7.4.230.0110.00518.08
7.4.220.0110.00617.98
7.4.210.0120.00517.77
7.4.200.0100.00717.96
7.4.190.0120.00518.10
7.4.180.0130.00418.27
7.4.160.0130.00417.80
7.4.150.0100.00717.77
7.4.140.0090.00717.75
7.4.130.0120.00617.58
7.4.120.0120.00617.67
7.4.110.0120.00617.65
7.4.100.0140.00317.78
7.4.90.0110.00617.67
7.4.80.0140.00517.92
7.4.70.0120.00617.52
7.4.60.0120.00617.54
7.4.50.0130.00317.46
7.4.40.0110.00717.99
7.4.30.0140.00417.56
7.4.20.0100.00717.43
7.4.10.0110.00617.62
7.4.00.0100.00617.50
7.3.330.0120.00617.50
7.3.320.0130.00517.61
7.3.310.0140.00517.72
7.3.300.0130.00617.79
7.3.290.0120.00517.75
7.3.280.0130.00617.43
7.3.270.0140.00417.61
7.3.260.0130.00617.53
7.3.250.0140.00517.56
7.3.240.0120.00717.57
7.3.230.0140.00617.58
7.3.220.0140.00617.60
7.3.210.0150.00417.60
7.3.200.0140.00717.48
7.3.190.0130.00617.54
7.3.180.0130.00617.38
7.3.170.0140.00717.46
7.3.160.0160.00517.43
7.3.150.0130.00617.54
7.3.140.0150.00517.54
7.3.130.0140.00717.43
7.3.120.0130.00717.31
7.3.110.0130.00617.35
7.3.100.0130.00617.49
7.3.90.0140.00517.57
7.3.80.0130.00617.23
7.3.70.0110.00717.35
7.3.60.0150.00517.30
7.3.50.0140.00517.35
7.3.40.0140.00617.34
7.3.30.0140.00417.36
7.3.20.0150.00618.09
7.3.10.0150.00418.08
7.3.00.0150.00618.09
7.2.340.0140.00517.90
7.2.330.0140.00617.73
7.2.320.0130.00717.64
7.2.310.0150.00617.50
7.2.300.0130.00817.50
7.2.290.0130.00717.53
7.2.280.0140.00717.53
7.2.270.0150.00617.51
7.2.260.0150.00517.53
7.2.250.0150.00617.51
7.2.240.0150.00517.54
7.2.230.0150.00517.45
7.2.220.0130.00917.49
7.2.210.0140.00717.49
7.2.200.0140.00917.45
7.2.190.0140.00717.51
7.2.180.0150.00617.42
7.2.170.0140.00617.47
7.2.160.0140.00617.44
7.2.150.0150.00618.24
7.2.140.0160.00718.29
7.2.130.0160.00518.34
7.2.120.0160.00618.36
7.2.110.0160.00618.27
7.2.100.0150.00618.36
7.2.90.0180.00618.30
7.2.80.0150.00618.33
7.2.70.0140.00618.32
7.2.60.0150.00618.22
7.2.50.0160.00618.34
7.2.40.0560.00718.27
7.2.30.0420.00718.29
7.2.20.0370.00618.31
7.2.10.0420.00618.25
7.2.00.0260.00718.28
7.1.330.0140.00517.51
7.1.320.0160.00417.51
7.1.310.0160.00517.40
7.1.300.0140.00417.42
7.1.290.0170.00717.41
7.1.280.0130.00517.41
7.1.270.0150.00517.46
7.1.260.0140.00617.38
7.1.250.0140.00617.36
7.1.240.0130.00617.33
7.1.230.0140.00517.39
7.1.220.0150.00617.40
7.1.210.0140.00717.40
7.1.200.0140.00517.29
7.1.190.0140.00517.33
7.1.180.0140.00617.36
7.1.170.0160.00617.31
7.1.160.0500.00617.33
7.1.150.0390.00717.30
7.1.140.0390.00617.26
7.1.130.0350.00517.30
7.1.120.0280.00717.30
7.1.110.0420.00617.25
7.1.100.0330.00617.16
7.1.90.0400.00617.21
7.1.80.0360.00617.24
7.1.70.0230.00617.08
7.1.60.0250.00819.71
7.1.50.0240.00619.75
7.1.40.0320.00819.63
7.1.30.0210.00719.60
7.1.20.0230.00819.63
7.1.10.0210.00717.02
7.1.00.0190.00617.04
7.0.330.0120.00817.08
7.0.320.0140.00517.09
7.0.310.0120.00717.11
7.0.300.0140.00517.13
7.0.290.0430.00517.01
7.0.280.0120.00717.09
7.0.270.0280.00717.03
7.0.260.0400.00817.00
7.0.250.0330.00817.02
7.0.240.0350.00617.08
7.0.230.0420.00717.09
7.0.220.0320.00717.05
7.0.210.0250.00716.93
7.0.200.0280.00516.94
7.0.190.0250.00716.92
7.0.180.0220.00516.93
7.0.170.0210.00616.86
7.0.160.0250.00516.79
7.0.150.0210.00616.84
7.0.140.0210.00616.83
7.0.130.0190.00616.87
7.0.120.0190.00516.85
7.0.110.0170.00616.88
7.0.100.0160.00616.83
7.0.90.0180.00516.80
7.0.80.0190.00816.79
7.0.70.0180.00516.77
7.0.60.0140.00616.77
7.0.50.0170.00616.77
7.0.40.0170.00516.77
7.0.30.0150.00716.81
7.0.20.0160.00716.79
7.0.10.0150.00616.80
7.0.00.0160.00516.81
5.6.400.0120.01316.93
5.6.390.0120.01316.93
5.6.380.0130.01316.92
5.6.370.0130.01316.93
5.6.360.0130.01316.90
5.6.350.0150.01216.92
5.6.340.0130.01216.90
5.6.330.0110.01416.96
5.6.320.0110.01316.90
5.6.310.0130.01216.96
5.6.300.0130.01917.39
5.6.290.0150.01817.48
5.6.280.0140.01917.46
5.6.270.0160.01517.48
5.6.260.0120.01917.47
5.6.250.0120.01917.45
5.6.240.0130.01917.54
5.6.230.0120.02217.57
5.6.220.0140.01817.57
5.6.210.0120.01917.54
5.6.200.0120.02017.56
5.6.190.0140.01717.55
5.6.180.0110.02017.49
5.6.170.0110.01917.52
5.6.160.0130.01917.53
5.6.150.0130.01817.51
5.6.140.0120.02017.50
5.6.130.0130.01917.49
5.6.120.0130.02017.51
5.6.110.0130.02117.48
5.6.100.0130.02017.54
5.6.90.0140.02317.45
5.6.80.0130.01917.36
5.6.70.0130.01917.46
5.6.60.0120.01717.44
5.6.50.0120.01817.35
5.6.40.0120.01817.41
5.6.30.0130.01717.40
5.6.20.0110.01717.35
5.6.10.0120.01817.35
5.6.00.0110.02017.36
5.5.380.0110.02016.97
5.5.370.0140.01917.00
5.5.360.0130.01816.88
5.5.350.0150.01816.91
5.5.340.0140.02016.95
5.5.330.0140.01816.93
5.5.320.0140.01816.98
5.5.310.0130.01816.86
5.5.300.0140.01916.94
5.5.290.0120.02016.95
5.5.280.0160.01916.97
5.5.270.0140.02016.96
5.5.260.0150.01916.95
5.5.250.0140.02016.99
5.5.240.0130.01816.95
5.5.230.0160.01716.93
5.5.220.0130.01816.97
5.5.210.0140.02016.96
5.5.200.0120.01816.84
5.5.190.0130.01916.83
5.5.180.0120.01916.88
5.5.170.0110.01316.76
5.5.160.0120.01916.85
5.5.150.0120.01916.86
5.5.140.0120.01916.79
5.5.130.0110.02016.80
5.5.120.0110.02016.83
5.5.110.0140.01716.84
5.5.100.0140.01616.92
5.5.90.0110.01816.89
5.5.80.0120.01916.88
5.5.70.0130.01916.85
5.5.60.0110.02016.91
5.5.50.0120.01816.84
5.5.40.0130.01816.85
5.5.30.0120.01816.90
5.5.20.0110.02016.87
5.5.10.0130.01816.86
5.5.00.0140.01516.85
5.4.450.0100.01715.42
5.4.440.0100.01715.41
5.4.430.0090.01815.44
5.4.420.0120.01715.43
5.4.410.0110.01615.31
5.4.400.0100.01815.35
5.4.390.0100.01815.35
5.4.380.0100.01515.34
5.4.370.0110.01715.33
5.4.360.0110.01615.36
5.4.350.0100.01715.31
5.4.340.0120.01715.32
5.4.330.0100.00914.74
5.4.320.0100.01815.35
5.4.310.0100.01615.36
5.4.300.0090.01815.35
5.4.290.0120.01515.37
5.4.280.0100.01715.34
5.4.270.0110.01715.34
5.4.260.0110.01815.34
5.4.250.0120.01615.33
5.4.240.0100.01715.34
5.4.230.0110.01615.24
5.4.220.0110.01615.29
5.4.210.0100.01715.28
5.4.200.0130.01615.26
5.4.190.0120.01615.29
5.4.180.0100.01915.25
5.4.170.0120.01415.28
5.4.160.0110.01615.29
5.4.150.0110.01615.29
5.4.140.0110.01514.99
5.4.130.0090.01914.95
5.4.120.0100.01714.94
5.4.110.0110.01514.98
5.4.100.0080.01614.95
5.4.90.0090.01614.99
5.4.80.0100.01615.01
5.4.70.0100.01614.98
5.4.60.0090.01715.00
5.4.50.0090.01514.94
5.4.40.0100.01714.98
5.4.30.0100.01615.00
5.4.20.0090.01614.99
5.4.10.0100.01514.98
5.4.00.0090.01514.86
5.3.290.0090.02015.04
5.3.280.0100.01814.98
5.3.270.0110.01614.99
5.3.260.0080.01814.99
5.3.250.0100.01514.99
5.3.240.0100.01714.98
5.3.230.0080.01814.95
5.3.220.0080.01714.90
5.3.210.0100.01614.88
5.3.200.0090.01614.86
5.3.190.0110.01514.94
5.3.180.0100.01615.00
5.3.170.0090.01814.94
5.3.160.0080.01914.97
5.3.150.0090.01914.99
5.3.140.0100.01714.92
5.3.130.0090.01814.95
5.3.120.0100.01814.96
5.3.110.0100.01614.96
5.3.100.0100.01614.85
5.3.90.0100.01514.88
5.3.80.0100.01514.79
5.3.70.0090.01614.77
5.3.60.0090.01514.86
5.3.50.0080.01514.77
5.3.40.0070.01814.77
5.3.30.0080.01814.84
5.3.20.0100.01614.75
5.3.10.0100.01514.69
5.3.00.0080.01814.66

preferences:
51.33 ms | 401 KiB | 5 Q