3v4l.org

run code in 300+ PHP versions simultaneously
<?PHP $s1 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; $s2 = $_GET[md5($_SERVER['REMOTE_ADDR'])]; if ($s1!= $s2) { if (md5($s1)===hash('md5',$s2)) { if (hash('sha512',$s1,true)!==hash('sha512',$s2,true)) echo 'Flag'; } } ?>

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)
8.3.60.0120.00918.43
8.3.50.0160.01121.87
8.3.40.0070.01418.65
8.3.30.0110.00418.88
8.3.20.0000.00720.21
8.3.10.0050.00322.03
8.3.00.0040.00422.44
8.2.180.0120.00317.00
8.2.170.0070.01122.96
8.2.160.0140.00021.07
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.61
8.2.110.0100.00019.30
8.2.100.0030.01017.97
8.2.90.0000.00819.22
8.2.80.0050.00317.97
8.2.70.0060.00317.88
8.2.60.0040.00418.05
8.2.50.0030.00618.10
8.2.40.0050.00322.15
8.2.30.0000.00719.20
8.2.20.0040.00417.66
8.2.10.0050.00317.73
8.2.00.0070.00017.82
8.1.280.0130.00325.92
8.1.270.0030.00622.04
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.12
8.1.230.0110.00019.06
8.1.220.0090.00017.78
8.1.210.0000.00818.77
8.1.200.0040.00717.23
8.1.190.0090.00017.10
8.1.180.0000.00818.10
8.1.170.0040.00418.54
8.1.160.0030.00322.20
8.1.150.0040.00418.68
8.1.140.0000.00817.47
8.1.130.0000.00717.76
8.1.120.0040.00417.47
8.1.110.0000.00817.49
8.1.100.0040.00417.52
8.1.90.0030.00317.44
8.1.80.0030.00317.36
8.1.70.0030.00317.40
8.1.60.0000.00917.59
8.1.50.0050.00317.44
8.1.40.0050.00317.50
8.1.30.0050.00317.70
8.1.20.0040.00417.63
8.1.10.0030.00617.45
8.1.00.0050.00317.36
8.0.300.0070.00020.32
8.0.290.0040.00416.75
8.0.280.0000.00818.38
8.0.270.0000.00717.28
8.0.260.0000.00816.96
8.0.250.0030.00317.05
8.0.240.0050.00216.93
8.0.230.0000.00716.91
8.0.220.0060.00017.03
8.0.210.0030.00316.99
8.0.200.0000.00716.93
8.0.190.0070.00017.07
8.0.180.0000.00716.96
8.0.170.0000.00716.96
8.0.160.0040.00416.96
8.0.150.0050.00317.02
8.0.140.0040.00416.83
8.0.130.0030.00313.32
8.0.120.0050.00316.83
8.0.110.0040.00416.91
8.0.100.0050.00216.89
8.0.90.0000.00716.86
8.0.80.0090.01116.88
8.0.70.0050.00216.88
8.0.60.0000.00717.04
8.0.50.0030.00516.91
8.0.30.0090.01117.14
8.0.20.0120.00717.40
8.0.10.0030.00316.99
8.0.00.0100.00816.70
7.4.330.0050.00015.11
7.4.320.0000.00616.66
7.4.300.0030.00316.53
7.4.290.0030.00316.50
7.4.280.0030.00316.56
7.4.270.0000.00816.61
7.4.260.0000.00716.55
7.4.250.0040.00416.40
7.4.240.0030.00516.58
7.4.230.0040.00416.60
7.4.220.0110.00716.69
7.4.210.0070.00916.53
7.4.200.0030.00316.37
7.4.190.0000.00716.68
7.4.160.0140.00916.55
7.4.150.0060.01117.40
7.4.140.0110.00517.86
7.4.130.0110.00816.67
7.4.120.0080.01116.55
7.4.110.0100.00716.73
7.4.100.0070.01016.38
7.4.90.0090.00916.54
7.4.80.0040.01419.39
7.4.70.0060.00916.73
7.4.60.0060.01016.36
7.4.50.0060.00316.62
7.4.40.0030.01422.77
7.4.30.0060.01016.64
7.4.00.0030.01314.75
7.3.330.0020.00213.20
7.3.320.0000.00613.26
7.3.310.0070.00016.29
7.3.300.0000.00716.16
7.3.290.0090.01316.38
7.3.280.0060.01016.32
7.3.270.0070.01117.40
7.3.260.0070.01016.44
7.3.250.0100.00716.48
7.3.240.0040.01216.43
7.3.230.0030.01616.58
7.3.210.0130.00416.62
7.3.200.0060.00519.39
7.3.190.0080.01116.41
7.3.180.0050.01016.47
7.3.170.0140.00716.46
7.3.160.0030.01216.50
7.3.120.0110.00715.05
7.2.330.0120.00616.56
7.2.320.0080.00816.58
7.2.310.0030.01416.68
7.2.300.0100.00716.39
7.2.290.0120.00916.72
7.2.60.0030.01016.79
7.2.00.0070.00719.15
7.1.200.0080.00815.80
7.1.100.0040.00718.26
7.1.70.0000.00716.78
7.1.60.0150.01519.82
7.1.50.0040.01816.79
7.1.00.0070.07322.40
7.0.200.0030.00616.63
7.0.140.0070.07022.04
7.0.60.0100.03719.94
7.0.50.0070.08017.81
7.0.40.0070.04020.02
7.0.30.0270.05020.28
7.0.20.0300.06320.09
7.0.10.0100.08320.00
7.0.00.0070.07319.99
5.6.280.0070.06320.88
5.6.210.0070.06720.76
5.6.200.0070.06718.19
5.6.190.0170.05720.29
5.6.180.0270.04320.49
5.6.170.0330.07720.45
5.6.160.0100.08020.48
5.6.150.0100.07718.08
5.6.140.0000.08718.12
5.6.130.0070.05718.11
5.6.120.0070.04020.90
5.6.110.0030.06720.99
5.6.100.0270.06321.02
5.6.90.0030.04020.99
5.6.80.0100.07720.37
5.5.350.0170.06320.52
5.5.340.0130.05717.92
5.5.330.0070.08720.21
5.5.320.0230.05020.20
5.5.310.0330.05720.29
5.5.300.0100.06717.91
5.5.290.0030.08017.90
5.5.280.0030.07320.90
5.5.270.0030.04020.85
5.5.260.0030.04320.94
5.5.250.0070.07320.57
5.5.240.0170.06720.23
5.4.450.0500.07019.48
5.4.440.0130.05319.46
5.4.430.0130.06319.54
5.4.420.0230.05019.50
5.4.410.0000.06718.96
5.4.400.0200.06318.76
5.4.390.0230.03718.60
5.4.380.0230.07018.46
5.4.370.0230.06018.56
5.4.360.0200.05018.52
5.4.350.0230.05318.71
5.4.340.0400.03718.73
5.4.320.0070.03712.45
5.4.310.0080.03612.45
5.4.300.0060.03912.46
5.4.290.0100.03512.45
5.4.280.0100.03212.35
5.4.270.0070.04812.32
5.4.260.0090.04912.32
5.4.250.0060.04712.32
5.4.240.0080.03412.32
5.4.230.0070.03612.31
5.4.220.0050.03912.31
5.4.210.0070.04712.31
5.4.200.0080.04412.31
5.4.190.0070.03512.31
5.4.180.0030.03912.30
5.4.170.0070.03512.32
5.4.160.0070.03512.31
5.4.150.0050.03712.31
5.4.140.0060.03811.99
5.4.130.0070.03411.98
5.4.120.0080.03311.93
5.4.110.0060.04011.93
5.4.100.0070.03411.93
5.4.90.0030.04011.93
5.4.80.0070.03511.93
5.4.70.0060.03711.93
5.4.60.0090.03111.93
5.4.50.0070.03411.93
5.4.40.0060.03511.92
5.4.30.0030.03911.91
5.4.20.0050.03611.92
5.4.10.0120.04111.92
5.4.00.0060.03811.40
5.3.290.0070.03812.80
5.3.280.0080.04812.71
5.3.270.0080.04212.72
5.3.260.0130.04012.72
5.3.250.0040.04112.72
5.3.240.0050.03912.72
5.3.230.0090.03512.71
5.3.220.0070.03712.68
5.3.210.0070.03912.68
5.3.200.0060.03612.68
5.3.190.0070.03712.68
5.3.180.0080.03512.67
5.3.170.0070.03712.67
5.3.160.0060.03712.67
5.3.150.0100.03412.68
5.3.140.0080.04212.66
5.3.130.0060.03912.66
5.3.120.0070.03812.66
5.3.110.0100.03812.66
5.3.100.0080.05712.12
5.3.90.0090.03512.09
5.3.80.0080.04112.07
5.3.70.0120.05412.08
5.3.60.0110.03612.07
5.3.50.0060.04312.00
5.3.40.0090.03612.00
5.3.30.0070.04211.93
5.3.20.0060.04211.70
5.3.10.0060.03711.66
5.3.00.0080.03511.64
5.2.170.0030.0319.15
5.2.160.0040.0339.15
5.2.150.0020.0339.15
5.2.140.0050.0319.15
5.2.130.0050.0329.11
5.2.120.0060.0289.11
5.2.110.0040.0309.11
5.2.100.0060.0289.11
5.2.90.0050.0339.11
5.2.80.0020.0389.11
5.2.70.0030.0329.10
5.2.60.0060.0319.05
5.2.50.0020.0339.03
5.2.40.0060.0279.00
5.2.30.0040.0328.98
5.2.20.0040.0308.99
5.2.10.0060.0288.90
5.2.00.0050.0418.76
5.1.60.0040.0368.05
5.1.50.0080.0318.05
5.1.40.0050.0288.03
5.1.30.0080.0298.38
5.1.20.0050.0338.41
5.1.10.0070.0278.13
5.1.00.0070.0348.13
5.0.50.0040.0286.60
5.0.40.0030.0286.46
5.0.30.0030.0416.27
5.0.20.0030.0206.25
5.0.10.0010.0246.22
5.0.00.0100.0296.21
4.4.90.0050.0204.78
4.4.80.0050.0194.76
4.4.70.0040.0184.75
4.4.60.0060.0174.75
4.4.50.0040.0204.77
4.4.40.0030.0324.71
4.4.30.0060.0184.76
4.4.20.0040.0194.84
4.4.10.0030.0214.85
4.4.00.0030.0254.76
4.3.110.0010.0194.67
4.3.100.0030.0154.66
4.3.90.0020.0204.63
4.3.80.0030.0254.58
4.3.70.0050.0134.63
4.3.60.0050.0134.63
4.3.50.0020.0204.63
4.3.40.0030.0314.54
4.3.30.0050.0333.28
4.3.20.0020.0183.27
4.3.10.0030.0163.22
4.3.00.0170.0137.28

preferences:
78.74 ms | 401 KiB | 5 Q