3v4l.org

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

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)
8.3.70.0110.00418.30
8.3.60.0150.00018.41
8.3.50.0070.00716.56
8.3.40.0070.00718.90
8.3.30.0070.00718.59
8.3.20.0070.00322.86
8.3.10.0030.00923.72
8.3.00.0060.00622.52
8.2.180.0070.01416.38
8.2.170.0110.00322.96
8.2.160.0130.00320.33
8.2.150.0090.00624.92
8.2.140.0070.00225.16
8.2.130.0060.00223.36
8.2.120.0060.00226.01
8.2.110.0070.00223.84
8.2.100.0090.00121.71
8.2.90.0040.00421.85
8.2.80.0060.00221.82
8.2.70.0050.00720.05
8.2.60.0070.00520.32
8.2.50.0070.00520.38
8.2.40.0060.00521.15
8.2.30.0070.00420.84
8.2.20.0050.00620.38
8.2.10.0070.00520.21
8.2.00.0060.00520.31
8.1.280.0100.01025.92
8.1.270.0050.00323.83
8.1.260.0030.00526.01
8.1.250.0080.00026.88
8.1.240.0050.00423.83
8.1.230.0070.00523.31
8.1.220.0040.00621.70
8.1.210.0030.00622.26
8.1.200.0080.00220.08
8.1.190.0100.00219.92
8.1.180.0080.00420.17
8.1.170.0050.00720.21
8.1.160.0070.00520.54
8.1.150.0060.00620.47
8.1.140.0080.00420.75
8.1.130.0050.00720.46
8.1.120.0060.00620.07
8.1.110.0080.00420.02
8.1.100.0050.00919.97
8.1.90.0070.00420.12
8.1.80.0040.00720.15
8.1.70.0050.00620.09
8.1.60.0090.00320.13
8.1.50.0100.00220.08
8.1.40.0050.00720.18
8.1.30.0100.00420.10
8.1.20.0110.00320.16
8.1.10.0080.00520.11
8.1.00.0130.00519.01
8.0.300.0030.00522.85
8.0.290.0160.00221.19
8.0.280.0120.00220.20
8.0.270.0060.00619.88
8.0.260.0090.00619.66
8.0.250.0100.00119.74
8.0.240.0080.00519.68
8.0.230.0090.00519.67
8.0.220.0090.00319.63
8.0.210.0080.00419.63
8.0.200.0100.00219.70
8.0.190.0110.00219.73
8.0.180.0080.00419.64
8.0.170.0100.00419.63
8.0.160.0100.00219.70
8.0.150.0080.00619.62
8.0.140.0100.00519.65
8.0.130.0090.00318.49
8.0.120.0080.00619.65
8.0.110.0060.00519.73
8.0.100.0080.00419.59
8.0.90.0090.00419.59
8.0.80.0080.00919.72
8.0.70.0060.00619.68
8.0.60.0080.00519.64
8.0.50.0070.00719.67
8.0.30.0120.00418.63
8.0.20.0130.00418.63
8.0.10.0100.00319.79
8.0.00.0120.00419.64
7.4.330.0090.00219.24
7.4.320.0100.00419.52
7.4.300.0130.00219.58
7.4.290.0090.00619.56
7.4.280.0080.00719.54
7.4.270.0090.00719.53
7.4.260.0120.00219.52
7.4.250.0100.00519.49
7.4.240.0070.00719.56
7.4.230.0080.00519.60
7.4.220.0100.00919.54
7.4.210.0060.01119.54
7.4.200.0080.00519.48
7.4.190.0100.00521.08
7.4.180.0160.00121.08
7.4.160.0100.00618.83
7.4.150.0110.00719.86
7.4.140.0070.01019.15
7.4.130.0130.00719.58
7.4.120.0090.01218.27
7.4.110.0130.00719.51
7.4.100.0110.00619.56
7.4.90.0100.00719.54
7.4.80.0110.00720.52
7.4.70.0140.00219.53
7.4.60.0120.00719.49
7.4.50.0110.00819.59
7.4.40.0080.01119.49
7.4.30.0130.00519.49
7.4.20.0140.00419.53
7.4.10.0130.00619.53
7.4.00.0150.00718.34
7.3.330.0070.00518.33
7.3.320.0080.00618.41
7.3.310.0100.00319.42
7.3.300.0080.00519.40
7.3.290.0080.00618.11
7.3.280.0100.00617.05
7.3.270.0130.00319.86
7.3.260.0100.00818.74
7.3.250.0130.00718.16
7.3.240.0150.00618.61
7.3.230.0150.00619.45
7.3.220.0160.00121.08
7.3.210.0090.00719.52
7.3.200.0110.00819.48
7.3.190.0130.00519.52
7.3.180.0090.00719.43
7.3.170.0110.00719.47
7.3.160.0140.00719.55
7.3.150.0160.00619.49
7.3.140.0130.00619.51
7.3.130.0110.00819.53
7.3.120.0100.00819.44
7.3.110.0130.00619.51
7.3.100.0120.00619.49
7.3.90.0160.00619.49
7.3.80.0170.00619.49
7.3.70.0140.00519.44
7.3.60.0080.01119.44
7.3.50.0140.00419.46
7.3.40.0150.00318.21
7.3.30.0150.00219.42
7.3.20.0270.00618.30
7.3.10.0190.00817.64
7.3.00.0220.00717.69
7.2.340.0150.00321.08
7.2.330.0080.00919.58
7.2.320.0110.00619.54
7.2.310.0120.00519.58
7.2.300.0120.00419.60
7.2.290.0090.00619.57
7.2.280.0120.00719.51
7.2.270.0100.00819.58
7.2.260.0130.00619.55
7.2.250.0120.00419.54
7.2.240.0090.00919.58
7.2.230.0120.00619.56
7.2.220.0120.00719.55
7.2.210.0100.00719.50
7.2.200.0150.00419.51
7.2.190.0110.00819.54
7.2.180.0130.00519.49
7.2.170.0080.00919.47
7.2.160.0110.00819.54
7.2.150.0260.00618.29
7.2.140.0290.00718.38
7.2.130.0320.00817.73
7.2.120.0200.00717.80
7.2.110.0190.00917.78
7.2.100.0200.00417.81
7.2.90.0210.00617.85
7.2.80.0200.00717.85
7.2.70.0210.00817.88
7.2.60.0250.00717.64
7.2.50.0190.00817.64
7.2.40.0240.01017.84
7.2.30.0230.00617.82
7.2.20.0100.00517.73
7.2.10.0090.00717.79
7.2.00.0100.00617.73
7.1.330.0140.00519.13
7.1.320.0150.00419.18
7.1.310.0130.00719.27
7.1.300.0110.00719.17
7.1.290.0150.00219.14
7.1.280.0120.00519.21
7.1.270.0150.00119.15
7.1.260.0080.00919.12
7.1.250.0200.00417.00
7.1.240.0290.00517.80
7.1.230.0370.00717.74
7.1.220.0270.00517.77
7.1.210.0290.00617.74
7.1.200.0270.00817.38
7.1.190.0260.00717.77
7.1.180.0260.00517.87
7.1.170.0310.00617.85
7.1.160.0380.00517.80
7.1.150.0320.00617.81
7.1.140.0550.00517.77
7.1.130.0230.00717.81
7.1.120.0240.00417.78
7.1.110.0130.00817.71
7.1.100.0200.00517.80
7.1.90.0390.00317.81
7.1.80.0380.00517.86
7.1.70.0350.00717.70
7.1.60.0320.00421.30
7.1.50.0410.00421.04
7.1.40.0230.00820.97
7.1.30.0270.00721.11
7.1.20.0300.00621.20
7.1.10.0250.00717.60
7.1.00.0210.01017.47
7.0.330.0320.00617.63
7.0.320.0320.00517.66
7.0.310.0270.00417.64
7.0.300.0330.00317.58
7.0.290.0390.00517.70
7.0.280.0170.00617.66
7.0.270.0160.00317.63
7.0.260.0150.00417.62
7.0.250.0270.00617.69
7.0.240.0290.00517.69
7.0.230.0300.00617.63
7.0.220.0330.00617.80
7.0.210.0480.01217.68
7.0.200.0320.00517.49
7.0.190.0320.01117.46
7.0.180.0320.00617.35
7.0.170.0250.00517.38
7.0.160.0270.00717.32
7.0.150.0390.00717.41
7.0.140.0290.01017.32
7.0.130.0260.00817.44
7.0.120.0290.00817.43
7.0.110.0360.00517.32
7.0.100.0240.00817.31
7.0.90.0310.00717.36
7.0.80.0300.00817.44
7.0.70.0360.00717.40
7.0.60.0310.00417.38
7.0.50.0360.00817.43
7.0.40.0280.00917.36
7.0.30.0260.00717.35
7.0.20.0630.00817.35
7.0.10.0310.00617.40
7.0.00.0270.00617.37
5.6.400.0070.02119.38
5.6.390.0090.01719.36
5.6.380.0140.01418.13
5.6.370.0140.01119.26
5.6.360.0090.01619.25
5.6.350.0120.01719.35
5.6.340.0080.01819.28
5.6.330.0110.01419.38
5.6.320.0120.01319.34
5.6.310.0130.02219.40
5.6.300.0100.01519.36
5.6.290.0100.01919.31
5.6.280.0140.02119.33
5.6.270.0130.01419.27
5.6.260.0100.01619.24
5.6.250.0130.01219.35
5.6.240.0110.01419.34
5.6.230.0070.02219.31
5.6.220.0080.01919.33
5.6.210.0090.01719.30
5.6.200.0070.01719.27
5.6.190.0130.02219.35
5.6.180.0080.01719.30
5.6.170.0140.02519.28
5.6.160.0120.01419.33
5.6.150.0110.01419.32
5.6.140.0110.01619.26
5.6.130.0110.01419.26
5.6.120.0120.01419.31
5.6.110.0100.01519.24
5.6.100.0140.02019.27
5.6.90.0070.02119.28
5.6.80.0130.01319.27
5.6.70.0100.01719.32
5.6.60.0130.01719.37
5.6.50.0140.01419.24
5.6.40.0130.02019.30
5.6.30.0130.01419.29
5.6.20.0110.01419.30
5.6.10.0110.01419.31
5.6.00.0110.01319.24

preferences:
39.78 ms | 401 KiB | 5 Q