3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flag = 'Elvis'; // true if ($flag) echo "{$flag} is true.\n"; $flag = 0; // false if (!$flag) echo "{$flag} is false.\n"; $flag = null; if ($flag) { echo "{$flag} is true.\n"; } if (!$flag) { echo "{$flag} is false.\n"; }

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)
8.3.60.0070.00718.18
8.3.50.0140.00822.06
8.3.40.0180.00318.46
8.3.30.0110.00418.88
8.3.20.0080.00020.29
8.3.10.0040.00420.36
8.3.00.0030.00517.50
8.2.180.0150.00618.41
8.2.170.0070.00722.96
8.2.160.0100.00319.26
8.2.150.0020.00524.18
8.2.140.0070.00024.66
8.2.130.0030.00626.16
8.2.120.0070.00022.24
8.2.110.0100.00019.16
8.2.100.0080.00317.72
8.2.90.0040.00417.90
8.2.80.0000.00917.97
8.2.70.0030.00617.50
8.2.60.0060.00317.92
8.2.50.0000.00918.07
8.2.40.0040.00418.28
8.2.30.0050.00319.31
8.2.20.0040.00417.76
8.2.10.0080.00018.09
8.2.00.0000.00717.55
8.1.280.0130.00625.92
8.1.270.0040.00423.92
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00622.53
8.1.230.0110.00020.97
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0060.00317.23
8.1.180.0000.00918.10
8.1.170.0040.00718.56
8.1.160.0000.00721.92
8.1.150.0000.00718.99
8.1.140.0030.00617.49
8.1.130.0000.00717.71
8.1.120.0070.00017.36
8.1.110.0030.00417.32
8.1.100.0070.00017.34
8.1.90.0090.00017.45
8.1.80.0040.00417.37
8.1.70.0080.00017.33
8.1.60.0080.00017.48
8.1.50.0030.00617.43
8.1.40.0070.00017.39
8.1.30.0040.00417.59
8.1.20.0000.00817.65
8.1.10.0000.00717.47
8.1.00.0040.00417.43
8.0.300.0000.00819.84
8.0.290.0050.00216.75
8.0.280.0030.00318.36
8.0.270.0000.01017.16
8.0.260.0000.00617.31
8.0.250.0000.00616.93
8.0.240.0000.00616.86
8.0.230.0030.00316.93
8.0.220.0000.00716.75
8.0.210.0000.00716.89
8.0.200.0070.00016.84
8.0.190.0050.00316.88
8.0.180.0080.00016.92
8.0.170.0030.00616.86
8.0.160.0050.00216.84
8.0.150.0040.00416.83
8.0.140.0030.00616.84
8.0.130.0030.00313.35
8.0.120.0050.00216.76
8.0.110.0070.00016.84
8.0.100.0000.00716.80
8.0.90.0050.00217.00
8.0.80.0060.00916.87
8.0.70.0000.00716.94
8.0.60.0050.00216.93
8.0.50.0000.00716.98
8.0.30.0100.00817.00
8.0.20.0110.01117.40
8.0.10.0030.00316.95
8.0.00.0120.00816.72
7.4.330.0000.00515.00
7.4.320.0060.00016.59
7.4.300.0030.00316.60
7.4.290.0030.00316.51
7.4.280.0090.00016.50
7.4.270.0040.00416.50
7.4.260.0000.00716.49
7.4.250.0040.00416.44
7.4.240.0050.00216.54
7.4.230.0030.00316.42
7.4.220.0110.01116.47
7.4.210.0120.00916.60
7.4.200.0030.00316.65
7.4.160.0030.01216.38
7.4.150.0090.00917.40
7.4.140.0130.00817.86
7.4.130.0080.01116.48
7.4.120.0100.00816.45
7.4.110.0090.00916.57
7.4.100.0040.01216.57
7.4.90.0030.01416.40
7.4.80.0070.01018.80
7.4.70.0110.00616.30
7.4.60.0080.00816.54
7.4.50.0030.00616.32
7.4.40.0070.01116.36
7.4.30.0060.01016.57
7.4.00.0060.00914.85
7.3.330.0030.00313.01
7.3.320.0000.00513.11
7.3.310.0070.00016.32
7.3.300.0070.00016.27
7.3.290.0030.01016.29
7.3.280.0080.00816.34
7.3.270.0040.01417.40
7.3.260.0060.01016.56
7.3.250.0150.00516.35
7.3.240.0100.00716.38
7.3.230.0130.00316.48
7.3.210.0080.01616.42
7.3.200.0100.00719.39
7.3.190.0060.01216.61
7.3.180.0160.00316.48
7.3.170.0030.01316.53
7.3.160.0120.00416.39
7.3.120.0080.00914.85
7.3.110.0060.01014.88
7.3.100.0050.01014.79
7.3.90.0010.01014.79
7.3.80.0050.01014.88
7.3.70.0050.00814.74
7.3.60.0020.01114.93
7.3.50.0050.00914.60
7.3.40.0040.01014.67
7.3.30.0050.00714.78
7.3.20.0020.01016.59
7.3.10.0070.00516.67
7.3.00.0090.00616.67
7.2.330.0060.01216.62
7.2.320.0100.00716.49
7.2.310.0030.01316.55
7.2.300.0100.00716.38
7.2.290.0120.00416.30
7.2.250.0000.01314.82
7.2.240.0090.00714.71
7.2.230.0050.01214.58
7.2.220.0090.00415.06
7.2.210.0050.00915.09
7.2.200.0050.00514.69
7.2.190.0050.00914.84
7.2.180.0050.00815.02
7.2.170.0070.00914.99
7.2.160.0070.00714.74
7.2.150.0090.00616.75
7.2.140.0100.00716.95
7.2.130.0100.00716.93
7.2.120.0040.00716.54
7.2.110.0100.00016.75
7.2.100.0080.00816.89
7.2.90.0030.00717.04
7.2.80.0120.00416.74
7.2.70.0070.00716.95
7.2.60.0090.00316.77
7.2.50.0030.01016.74
7.2.40.0040.01216.86
7.2.30.0050.00516.95
7.2.20.0070.01016.88
7.2.10.0080.00816.95
7.2.00.0060.00618.12
7.1.330.0040.01115.76
7.1.320.0070.00715.66
7.1.310.0050.00815.72
7.1.300.0050.00815.80
7.1.290.0090.00415.76
7.1.280.0050.00915.79
7.1.270.0020.01115.70
7.1.260.0040.00815.69
7.1.250.0060.00915.69
7.1.200.0060.00315.59
7.1.100.0000.00818.09
7.1.70.0040.00416.89
7.1.60.0070.01019.32
7.1.50.0080.00616.86
7.1.00.0070.06722.31
7.0.200.0000.00716.94
7.0.140.0030.07022.00
7.0.60.0070.08019.92
7.0.50.0030.08317.88
7.0.40.0030.05020.04
7.0.30.0200.04720.21
7.0.20.0330.07320.01
7.0.10.0100.06020.17
7.0.00.0170.07020.09
5.6.280.0000.07721.07
5.6.210.0100.03720.74
5.6.200.0100.03318.08
5.6.190.0030.05020.61
5.6.180.0330.05720.46
5.6.170.0270.07020.44
5.6.160.0070.04720.44
5.6.150.0030.09018.18
5.6.140.0100.05718.18
5.6.130.0130.05318.20
5.6.120.0100.08020.93
5.6.110.0170.07720.94
5.6.100.0130.07721.06
5.6.90.0000.08320.97
5.6.80.0000.04320.47
5.5.350.0230.08020.43
5.5.340.0100.06018.04
5.5.330.0030.04020.29
5.5.320.0430.05720.26
5.5.310.0200.04320.26
5.5.300.0070.06317.92
5.5.290.0000.05717.91
5.5.280.0170.07720.86
5.5.270.0130.08020.77
5.5.260.0070.04320.86
5.5.250.0170.07720.59
5.5.240.0130.07020.25
5.4.450.0670.03719.45
5.4.440.0970.06719.50
5.4.430.0900.04719.60
5.4.420.0630.00019.32
5.4.410.0630.00019.38
5.4.400.0630.00019.00
5.4.390.0700.00019.08
5.4.380.0430.05718.62
5.4.370.0370.04718.62
5.4.360.0230.05718.58
5.4.350.0300.05318.68
5.4.340.0330.05018.72
5.4.320.0070.04012.45
5.4.310.0030.04012.45
5.4.300.0080.04112.45
5.4.290.0080.04312.45
5.4.280.0030.03712.34
5.4.270.0040.03812.35
5.4.260.0040.04212.34
5.4.250.0060.03712.35
5.4.240.0080.04412.34
5.4.230.0030.03912.34
5.4.220.0020.04012.34
5.4.210.0070.03612.34
5.4.200.0070.04012.34
5.4.190.0050.04112.33
5.4.180.0060.03712.33
5.4.170.0070.03512.35
5.4.160.0050.03612.34
5.4.150.0070.03412.34
5.4.140.0050.04112.02
5.4.130.0050.04612.01
5.4.120.0060.04111.96
5.4.110.0050.03411.97
5.4.100.0030.03711.96
5.4.90.0080.04011.96
5.4.80.0030.03911.96
5.4.70.0050.03511.96
5.4.60.0040.03711.96
5.4.50.0070.03611.96
5.4.40.0060.03311.95
5.4.30.0060.03411.95
5.4.20.0060.03311.95
5.4.10.0060.03311.95
5.4.00.0040.03611.43
5.3.290.0080.03612.80
5.3.280.0090.03712.71
5.3.270.0070.04012.72
5.3.260.0060.03712.72
5.3.250.0100.03212.72
5.3.240.0050.03712.72
5.3.230.0030.03912.71
5.3.220.0080.03512.68
5.3.210.0060.03812.68
5.3.200.0060.03512.68
5.3.190.0080.04212.68
5.3.180.0060.03612.67
5.3.170.0070.03812.66
5.3.160.0060.04212.67
5.3.150.0060.04412.67
5.3.140.0030.04112.66
5.3.130.0070.03712.66
5.3.120.0060.03912.66
5.3.110.0080.04412.66
5.3.100.0050.03812.12
5.3.90.0050.05312.08
5.3.80.0090.03312.08
5.3.70.0060.03512.07
5.3.60.0080.03312.06
5.3.50.0070.03512.00
5.3.40.0060.03712.00
5.3.30.0040.03611.94
5.3.20.0080.03711.72
5.3.10.0070.03311.69
5.3.00.0060.03911.67
5.2.170.0040.0329.18
5.2.160.0050.0309.18
5.2.150.0040.0319.17
5.2.140.0100.0249.18
5.2.130.0040.0309.14
5.2.120.0040.0309.13
5.2.110.0040.0309.14
5.2.100.0020.0319.14
5.2.90.0040.0309.14
5.2.80.0050.0309.13
5.2.70.0030.0329.13
5.2.60.0020.0329.08
5.2.50.0040.0299.05
5.2.40.0060.0269.02
5.2.30.0040.0299.01
5.2.20.0030.0309.00
5.2.10.0060.0298.93
5.2.00.0030.0368.79
5.1.60.0060.0228.08
5.1.50.0020.0278.08
5.1.40.0040.0248.05
5.1.30.0070.0258.41
5.1.20.0060.0258.43
5.1.10.0050.0258.15
5.1.00.0080.0278.15
5.0.50.0050.0226.63
5.0.40.0030.0226.49
5.0.30.0060.0306.30
5.0.20.0060.0176.27
5.0.10.0030.0206.25
5.0.00.0040.0316.24
4.4.90.0010.0174.78
4.4.80.0040.0144.75
4.4.70.0040.0214.76
4.4.60.0050.0204.75
4.4.50.0020.0184.77
4.4.40.0050.0234.71
4.4.30.0040.0144.76
4.4.20.0040.0154.85
4.4.10.0030.0174.84
4.4.00.0040.0264.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0010.0164.64
4.3.80.0020.0254.58
4.3.70.0020.0174.63
4.3.60.0050.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0233.29
4.3.20.0020.0163.27
4.3.10.0030.0143.23
4.3.00.0030.01716.39

preferences:
39.65 ms | 401 KiB | 5 Q