3v4l.org

run code in 500+ PHP versions simultaneously
<?php $trueVar = true; $falseVar = false; $nullVar = null; $emptyVar = ""; $result1 = (!isset($trueVar) || $trueVar) ? 1 : 0; $result2 = (!isset($falseVar) || $falseVar) ? 1 : 0; $result3 = (!isset($nullVar) || $nullVar) ? 1 : 0; $result4 = (!isset($emptyVar) || $emptyVar) ? 1 : 0; var_dump($result1); var_dump($result2); var_dump($result3); var_dump($result4);

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)
8.5.90.0070.00617.63
8.5.80.0040.00416.58
8.5.70.0070.00717.34
8.5.60.0070.00117.60
8.5.50.0080.00517.38
8.5.40.0050.00418.24
8.5.30.0080.00519.65
8.5.20.0090.00318.99
8.5.10.0120.00616.53
8.5.00.0090.00618.15
8.4.240.0140.00819.39
8.4.230.0120.00620.73
8.4.220.0110.00619.43
8.4.210.0100.00619.41
8.4.200.0060.00519.61
8.4.190.0070.00419.34
8.4.180.0090.00819.47
8.4.170.0100.00721.70
8.4.160.0090.00821.22
8.4.150.0070.00518.25
8.4.140.0110.00617.62
8.4.130.0100.00718.20
8.4.120.0120.00819.12
8.4.110.0130.00720.01
8.4.100.0140.00817.73
8.4.90.0090.00918.14
8.4.80.0100.00517.76
8.4.70.0110.00318.62
8.4.60.0110.00818.02
8.4.50.0080.00517.73
8.4.40.0180.00418.45
8.4.30.0080.00918.56
8.4.20.0140.00519.04
8.4.10.0070.01317.61
8.3.330.0130.00918.33
8.3.320.0090.00818.35
8.3.310.0130.00818.29
8.3.300.0110.00920.28
8.3.290.0130.00919.54
8.3.280.0080.00818.33
8.3.270.0110.00416.73
8.3.260.0110.00717.66
8.3.250.0140.00717.87
8.3.240.0110.00916.75
8.3.230.0120.00917.66
8.3.220.0110.00616.79
8.3.210.0080.00416.72
8.3.200.0050.00416.46
8.3.190.0070.00316.85
8.3.180.0060.00716.45
8.3.170.0080.00816.71
8.3.160.0090.00516.48
8.3.150.0090.00517.62
8.3.140.0070.00218.43
8.3.130.0090.00617.58
8.3.120.0030.00717.72
8.3.110.0040.00418.80
8.3.100.0050.00417.54
8.3.90.0090.00518.40
8.3.80.0050.00517.29
8.3.70.0100.00316.48
8.3.60.0070.00517.39
8.3.50.0100.00317.19
8.3.40.0120.00618.18
8.3.30.0050.00718.25
8.3.20.0050.00419.79
8.3.10.0060.00220.76
8.3.00.0050.00420.27
8.2.330.0080.00317.74
8.2.320.0090.00717.96
8.2.310.0080.00718.06
8.2.300.0120.00719.17
8.2.290.0140.00418.51
8.2.280.0150.00617.71
8.2.270.0110.00716.65
8.2.260.0090.00517.73
8.2.250.0160.00216.60
8.2.240.0110.00516.92
8.2.230.0110.00319.54
8.2.220.0170.00320.26
8.2.210.0150.00721.57
8.2.200.0130.00516.52
8.2.190.0090.01117.35
8.2.180.0120.00416.49
8.2.170.0240.00520.49
8.2.160.0130.00719.05
8.2.150.0130.00420.91
8.2.140.0100.00821.27
8.2.130.0120.00518.54
8.2.120.0170.00622.12
8.2.110.0150.00220.01
8.2.100.0180.00517.87
8.2.90.0080.00617.84
8.2.80.0090.00317.96
8.2.70.0070.00517.91
8.2.60.0070.00318.00
8.2.50.0100.00318.00
8.2.40.0080.00618.60
8.2.30.0140.00218.29
8.2.20.0170.00617.87
8.2.10.0120.00618.60
8.2.00.0170.00319.32
8.1.340.0200.01117.42
8.1.330.0100.00418.33
8.1.320.0120.00716.07
8.1.310.0100.00616.36
8.1.300.0100.00317.85
8.1.290.0090.00417.42
8.1.280.0110.00520.99
8.1.270.0060.01018.18
8.1.260.0120.00621.87
8.1.250.0100.00722.84
8.1.240.0130.00318.27
8.1.230.0110.00419.28
8.1.220.0080.00518.63
8.1.210.0080.00519.14
8.1.200.0040.00618.30
8.1.190.0030.00618.26
8.1.180.0040.00518.74
8.1.170.0020.00719.00
8.1.160.0040.00419.22
8.1.150.0050.00419.12
8.1.140.0030.00620.01
8.1.130.0060.00118.48
8.1.120.0070.00218.52
8.1.110.0050.00218.40
8.1.100.0070.00118.42
8.1.90.0060.00218.52
8.1.80.0050.00418.50
8.1.70.0040.00418.45
8.1.60.0050.00318.57
8.1.50.0010.00618.57
8.1.40.0070.00317.69
8.1.30.0060.00417.66
8.1.20.0040.00517.70
8.1.10.0050.00417.61
8.1.00.0040.00617.44
8.0.300.0070.00318.29
8.0.290.0060.00416.84
8.0.280.0040.00517.66
8.0.270.0030.00617.08
8.0.260.0050.00416.82
8.0.250.0090.00117.04
8.0.240.0070.00217.97
8.0.230.0060.00217.95
8.0.220.0020.00517.79
8.0.210.0080.00316.84
8.0.200.0090.00316.90
8.0.190.0080.00417.04
8.0.180.0100.00316.90
8.0.170.0060.00616.99
8.0.160.0090.00316.95
8.0.150.0090.00316.87
8.0.140.0030.00716.72
8.0.130.0060.00615.04
8.0.120.0040.00516.84
8.0.110.0070.00316.91
8.0.100.0050.00417.75
8.0.90.0020.00617.81
8.0.80.0070.00617.48
8.0.70.0060.00317.82
8.0.60.0040.00417.86
8.0.50.0040.00517.81
8.0.30.0100.00717.81
8.0.20.0060.00918.03
8.0.10.0020.00718.06
8.0.00.0060.01017.39
7.4.330.0030.00417.06
7.4.320.0030.00417.43
7.4.300.0020.00617.44
7.4.290.0040.00517.58
7.4.280.0040.00317.45
7.4.270.0040.00417.61
7.4.260.0020.00517.50
7.4.250.0010.00617.53
7.4.240.0040.00517.60
7.4.230.0030.00417.54
7.4.220.0080.00316.56
7.4.210.0050.00916.57
7.4.200.0040.00417.50
7.4.190.0060.00118.54
7.4.180.0050.00318.49
7.4.160.0090.00716.93
7.4.150.0060.00316.57
7.4.140.0100.00717.94
7.4.130.0070.00617.44
7.4.120.0040.01317.09
7.4.110.0090.00516.48
7.4.100.0090.00917.24
7.4.90.0060.00717.40
7.4.80.0120.00218.83
7.4.70.0090.00517.33
7.4.60.0090.00417.36
7.4.50.0070.00617.29
7.4.40.0080.00717.33
7.4.30.0040.00418.41
7.4.20.0060.00218.37
7.4.10.0070.00416.57
7.4.00.0070.00216.65
7.3.330.0030.00315.62
7.3.320.0040.00215.71
7.3.310.0060.00217.35
7.3.300.0040.00417.12
7.3.290.0040.00317.17
7.3.280.0050.00517.25
7.3.270.0040.00318.29
7.3.260.0100.00916.60
7.3.250.0090.00316.58
7.3.240.0100.00616.72
7.3.230.0060.00717.28
7.3.220.0060.00218.29
7.3.210.0080.00717.29
7.3.200.0090.00517.37
7.3.190.0090.00517.27
7.3.180.0050.00717.20
7.3.170.0060.00817.24
7.3.160.0090.00417.06
7.3.150.0110.00116.46
7.3.140.0070.00216.49
7.3.130.0040.00418.17
7.3.120.0060.00218.17
7.3.110.0030.00518.21
7.3.100.0040.00418.09
7.3.90.0050.00418.34
7.3.80.0060.00318.26
7.3.70.0070.00118.17
7.3.60.0050.00418.23
7.3.50.0060.00418.46
7.3.40.0030.00618.41
7.3.30.0030.00518.28
7.3.20.0060.00318.32
7.3.10.0040.00617.50
7.3.00.0640.00516.44
7.2.340.0060.00218.16
7.2.330.0060.00917.29
7.2.320.0100.00816.34
7.2.310.0100.00616.38
7.2.300.0100.00616.41
7.2.290.0200.00516.47
7.2.280.0130.00816.22
7.2.270.0140.00716.44
7.2.260.0250.00716.39
7.2.250.0230.00716.36
7.2.240.0160.00516.15
7.2.230.0130.00416.39
7.2.220.0190.00716.23
7.2.210.0110.00716.38
7.2.200.0090.00616.48
7.2.190.0180.00616.45
7.2.180.0240.00716.34
7.2.170.0240.00716.59
7.2.160.0160.00616.48
7.2.150.0130.00718.06
7.2.140.0200.00818.19
7.2.130.0440.00616.60
7.2.120.0560.00516.60
7.2.110.0440.00516.57
7.2.100.0420.00616.65
7.2.90.0120.00616.53
7.2.80.0440.00816.74
7.2.70.0560.00316.59
7.2.60.0420.00516.71
7.2.50.0250.00316.69
7.2.40.0710.00516.61
7.2.30.0220.00716.59
7.2.20.0110.00716.80
7.2.10.0130.00416.64
7.2.00.0620.00416.75
7.1.330.0060.00417.39
7.1.320.0030.00717.68
7.1.310.0080.00217.61
7.1.300.0080.00317.38
7.1.290.0060.00417.54
7.1.280.0100.00017.23
7.1.270.0050.00517.42
7.1.260.0070.00317.48
7.1.250.0650.00715.73
7.1.240.0050.00517.32
7.1.230.0060.00317.54
7.1.220.0070.00317.54
7.1.210.0090.00117.42
7.1.200.0060.00417.48
7.1.190.0070.00317.42
7.1.180.0060.00417.45
7.1.170.0070.00317.39
7.1.160.0070.00317.57
7.1.150.0070.00417.45
7.1.140.0060.00417.45
7.1.130.0080.00217.45
7.1.120.0070.00217.46
7.1.110.0070.00217.38
7.1.100.0080.00217.44
7.1.90.0050.00517.25
7.1.80.0090.00217.23
7.1.70.0080.00117.28
7.1.60.0060.00317.27
7.1.50.0070.00217.48
7.1.40.0100.00517.41
7.1.30.0060.00217.43
7.1.20.0060.00217.22
7.1.10.0030.00517.33
7.1.00.0020.00517.34
7.0.330.0100.00416.89
7.0.320.0130.00517.21
7.0.310.0150.00416.89
7.0.300.0190.00617.21
7.0.290.0150.00417.04
7.0.280.0160.00316.95
7.0.270.0200.00816.92
7.0.260.0090.00217.09
7.0.250.0050.00317.39
7.0.240.0050.00417.11
7.0.230.0080.00217.41
7.0.220.0030.00517.36
7.0.210.0040.00517.23
7.0.200.0020.00617.38
7.0.190.0050.00217.22
7.0.180.0040.00417.19
7.0.170.0050.00217.39
7.0.160.0070.00217.19
7.0.150.0050.00317.26
7.0.140.0050.00317.19
7.0.130.0040.00417.45
7.0.120.0030.00417.37
7.0.110.0050.00317.11
7.0.100.0040.00317.04
7.0.90.0020.00517.18
7.0.80.0020.00516.94
7.0.70.0010.00617.11
7.0.60.0050.00316.90
7.0.50.0050.00216.86
7.0.40.0040.00317.21
7.0.30.0050.00217.14
7.0.20.0050.00217.06
7.0.10.0040.00317.16
7.0.00.0050.00317.05

preferences:
61.06 ms | 1876 KiB | 5 Q