3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i <= 255; $i++) { $x = chr($i) ^ chr(128); var_dump([$i, $x, $i !== $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)
8.3.40.0110.01118.68
8.3.30.0150.00419.00
8.3.20.0100.00020.20
8.3.10.0080.00323.48
8.3.00.0120.00019.26
8.2.170.0130.01622.96
8.2.160.0090.01520.38
8.2.150.0040.00724.18
8.2.140.0110.00024.66
8.2.130.0100.00026.16
8.2.120.0070.00419.89
8.2.110.0100.00320.39
8.2.100.0120.00318.03
8.2.90.0060.00319.36
8.2.80.0030.00717.97
8.2.70.0030.00617.63
8.2.60.0000.01017.80
8.2.50.0060.00318.07
8.2.40.0030.00619.62
8.2.30.0030.00718.00
8.2.20.0060.00317.66
8.2.10.0050.00517.99
8.2.00.0040.00717.74
8.1.270.0120.00022.05
8.1.260.0090.00326.35
8.1.250.0110.00028.09
8.1.240.0120.00023.79
8.1.230.0040.01118.95
8.1.220.0050.00517.79
8.1.210.0060.00318.77
8.1.200.0000.01117.23
8.1.190.0030.00617.23
8.1.180.0050.00518.10
8.1.170.0030.00618.64
8.1.160.0030.00722.02
8.1.150.0030.00718.94
8.1.140.0060.00317.43
8.1.130.0050.00517.87
8.1.120.0060.00317.45
8.1.110.0070.00317.43
8.1.100.0030.00617.42
8.1.90.0000.00917.46
8.1.80.0040.00417.34
8.1.70.0000.00917.41
8.1.60.0070.00317.58
8.1.50.0060.00317.57
8.1.40.0060.00317.42
8.1.30.0100.00017.52
8.1.20.0030.00617.62
8.1.10.0060.00317.38
8.1.00.0070.00317.42
8.0.300.0050.00518.77
8.0.290.0080.00416.75
8.0.280.0030.00618.44
8.0.270.0050.00317.22
8.0.260.0040.00417.16
8.0.250.0030.00617.00
8.0.240.0030.00716.83
8.0.230.0030.00616.93
8.0.220.0080.00016.88
8.0.210.0000.00816.88
8.0.200.0060.00316.95
8.0.190.0080.00416.93
8.0.180.0030.00616.87
8.0.170.0040.00416.86
8.0.160.0040.01116.95
8.0.150.0000.00916.80
8.0.140.0000.00916.84
8.0.130.0030.00313.31
8.0.120.0050.00516.71
8.0.110.0030.00716.73
8.0.100.0000.00916.86
8.0.90.0040.00416.92
8.0.80.0100.02316.81
8.0.70.0060.00316.95
8.0.60.0030.00616.79
8.0.50.0030.00616.86
8.0.30.0220.01917.03
8.0.20.0170.01217.40
8.0.10.0100.00017.07
8.0.00.0220.00716.79
7.4.330.0060.00015.05
7.4.320.0060.00316.41
7.4.300.0060.00316.52
7.4.290.0080.00016.58
7.4.280.0000.01016.60
7.4.270.0000.00916.52
7.4.260.0090.00016.55
7.4.250.0060.00316.37
7.4.240.0030.00616.46
7.4.230.0060.00316.58
7.4.220.0110.01516.45
7.4.210.0160.00316.65
7.4.200.0030.00616.61
7.4.160.0070.02016.63
7.4.150.0200.01417.40
7.4.140.0230.01217.86
7.4.130.0210.01116.48
7.4.120.0180.01116.55
7.4.110.0200.02316.44
7.4.100.0320.01016.52
7.4.90.0200.01016.29
7.4.80.0130.01319.39
7.4.70.0130.01016.48
7.4.60.0100.01616.58
7.4.50.0000.01216.42
7.4.40.0140.01316.49
7.4.30.0210.02116.28
7.4.10.0130.01015.11
7.4.00.0110.01215.05
7.3.330.0030.00313.13
7.3.320.0060.00013.26
7.3.310.0000.00916.17
7.3.300.0090.00016.19
7.3.290.0120.00916.29
7.3.280.0090.01516.33
7.3.270.0030.02917.40
7.3.260.0210.01816.36
7.3.250.0150.01416.59
7.3.240.0140.02616.23
7.3.230.0120.01816.43
7.3.210.0220.00616.57
7.3.200.0190.01619.39
7.3.190.0100.01916.29
7.3.180.0060.01916.55
7.3.170.0150.01116.45
7.3.160.0140.01116.36
7.3.130.0130.01014.68
7.3.120.0130.01314.91
7.3.110.0100.01414.93
7.3.100.0150.00414.40
7.3.90.0080.00614.82
7.3.80.0030.00914.93
7.3.70.0060.01514.61
7.3.60.0130.00614.41
7.3.50.0170.00314.63
7.3.40.0100.01014.88
7.3.30.0100.00714.48
7.3.20.0130.00316.65
7.3.10.0080.00416.66
7.3.00.0110.00716.55
7.2.330.0100.02016.78
7.2.320.0130.01316.36
7.2.310.0150.01116.34
7.2.300.0160.01016.46
7.2.290.0060.01916.59
7.2.260.0100.01414.79
7.2.250.0130.01414.77
7.2.240.0100.01014.98
7.2.230.0110.00614.98
7.2.220.0090.00914.96
7.2.210.0110.00714.88
7.2.200.0100.00714.88
7.2.190.0030.00914.68
7.2.180.0070.00714.99
7.2.170.0070.01015.07
7.2.160.0120.00914.89
7.2.150.0070.01016.98
7.2.140.0100.01016.92
7.2.130.0060.01016.98
7.2.120.0100.01016.75
7.2.110.0090.00616.63
7.2.100.0040.01416.95
7.2.90.0140.00716.81
7.2.80.0030.01316.89
7.2.70.0100.01316.86
7.2.60.0180.00616.83
7.2.50.0140.01016.55
7.2.40.0110.01116.73
7.2.30.0030.01416.91
7.2.20.0070.01116.72
7.2.10.0100.00716.56
7.2.00.0070.01017.09
7.1.330.0100.01015.57
7.1.320.0160.00615.59
7.1.310.0070.01015.82
7.1.300.0030.01015.92
7.1.290.0120.00615.51
7.1.280.0100.01015.72
7.1.270.0070.01415.64
7.1.260.0060.01315.93
7.1.250.0060.00615.71
7.1.240.0070.01415.98
7.1.230.0160.00915.79
7.1.220.0100.01015.69
7.1.210.0040.01215.84
7.1.200.0100.00715.70
7.1.190.0110.00715.66
7.1.180.0100.01315.72
7.1.170.0100.01315.76
7.1.160.0140.00715.86
7.1.150.0060.01015.74
7.1.140.0060.00915.63
7.1.130.0000.01515.94
7.1.120.0120.00615.90
7.1.110.0000.01215.88
7.1.100.0070.01116.94
7.1.90.0070.00715.80
7.1.80.0160.00315.69
7.1.70.0090.00816.56
7.1.60.0140.01117.55
7.1.50.0080.01516.26
7.1.40.0070.01315.86
7.1.30.0110.01115.74
7.1.20.0040.01415.57
7.1.10.0090.00615.63
7.1.00.0030.04719.03
7.0.330.0060.01015.34
7.0.320.0130.00615.42
7.0.310.0070.00715.25
7.0.300.0070.00715.47
7.0.290.0030.01215.23
7.0.280.0090.00915.00
7.0.270.0070.01015.35
7.0.260.0120.00415.04
7.0.250.0110.01115.50
7.0.240.0090.01215.56
7.0.230.0040.01415.12
7.0.220.0100.01015.58
7.0.210.0060.01215.18
7.0.200.0090.00316.04
7.0.190.0130.00315.51
7.0.180.0120.00315.23
7.0.170.0100.01015.13
7.0.160.0040.01115.36
7.0.150.0070.00715.38
7.0.140.0050.04218.65
7.0.130.0060.01215.46
7.0.120.0110.00715.08
7.0.110.0100.01015.16
7.0.100.0090.00315.52
7.0.90.0100.01015.46
7.0.80.0120.00315.18
7.0.70.0090.00315.50
7.0.60.0090.03417.65
7.0.50.0080.04516.40
7.0.40.0080.02516.85
7.0.30.0280.03316.61
7.0.20.0200.05016.83
7.0.10.0070.05016.82
7.0.00.0100.04516.74
5.6.400.0030.01714.16
5.6.390.0100.01014.16
5.6.380.0090.01214.60
5.6.370.0080.00814.08
5.6.360.0000.01814.50
5.6.350.0040.01314.54
5.6.340.0030.01013.99
5.6.330.0070.01114.12
5.6.320.0040.01514.23
5.6.310.0220.00314.33
5.6.300.0140.00314.29
5.6.290.0100.00714.29
5.6.280.0110.03817.66
5.6.270.0040.01214.25
5.6.260.0060.01013.93
5.6.250.0060.01514.37
5.6.240.0160.00614.11
5.6.230.0040.01514.32
5.6.220.0100.00714.40
5.6.210.0140.02717.53
5.6.200.0100.03916.19
5.6.190.0120.03417.46
5.6.180.0210.03917.20
5.6.170.0250.03817.46
5.6.160.0080.04917.16
5.6.150.0050.02516.13
5.6.140.0100.04516.15
5.6.130.0080.04916.19
5.6.120.0150.04017.67
5.6.110.0030.03017.70
5.6.100.0070.05017.68
5.6.90.0110.03717.54
5.6.80.0120.03717.34
5.6.70.0070.01014.16
5.6.60.0100.00714.01
5.6.50.0030.01614.26
5.6.40.0150.00714.25
5.6.30.0140.00314.03
5.6.20.0060.01214.27
5.6.10.0150.00413.97
5.6.00.0070.01014.34
5.5.380.0100.01014.32
5.5.370.0080.01113.80
5.5.360.0070.01314.09
5.5.350.0150.04517.27
5.5.340.0110.03816.20
5.5.330.0110.02317.20
5.5.320.0180.02517.25
5.5.310.0270.04017.20
5.5.300.0130.04216.10
5.5.290.0070.03216.01
5.5.280.0070.04217.65
5.5.270.0070.02517.52
5.5.260.0080.04317.39
5.5.250.0050.04817.27
5.5.240.0220.04217.02
5.5.230.0110.00714.18
5.5.220.0090.01214.18
5.5.210.0040.01213.87
5.5.200.0090.00914.04
5.5.190.0100.01014.08
5.5.180.0130.00314.21
5.5.170.0080.00814.26
5.5.160.0070.01014.10
5.5.150.0030.01413.96
5.5.140.0080.01213.93
5.5.130.0130.00714.13
5.5.120.0090.00613.84
5.5.110.0100.01313.91
5.5.100.0130.00514.20
5.5.90.0110.01114.18
5.5.80.0170.00714.02
5.5.70.0030.01214.20
5.5.60.0070.01113.98
5.5.50.0070.01013.85
5.5.40.0080.00414.23
5.5.30.0130.00314.11
5.5.20.0060.00913.97
5.5.10.0120.00914.31
5.5.00.0100.00714.19
5.4.450.0590.03415.01
5.4.440.0490.03315.05
5.4.430.0460.03315.09
5.4.420.0400.00315.20
5.4.410.0470.00315.15
5.4.400.0440.00214.84
5.4.390.0430.00314.96
5.4.380.0380.00714.89
5.4.370.0410.00314.99
5.4.360.0370.00514.93
5.4.350.0420.00514.81
5.4.340.0070.02411.33
5.4.330.0090.00910.98
5.4.320.0140.02111.73
5.4.310.0150.02211.72
5.4.300.0050.02611.70
5.4.290.0070.02811.62
5.4.280.0080.02411.57
5.4.270.0130.02011.52
5.4.260.0080.02511.53
5.4.250.0130.02011.45
5.4.240.0090.02511.63
5.4.230.0100.02411.63
5.4.220.0100.02011.55
5.4.210.0130.02011.51
5.4.200.0080.02711.62
5.4.190.0130.02111.70
5.4.180.0100.02611.55
5.4.170.0090.02411.57
5.4.160.0150.02311.59
5.4.150.0160.02211.58
5.4.140.0080.02211.47
5.4.130.0120.02111.52
5.4.120.0140.02211.33
5.4.110.0050.02411.43
5.4.100.0110.02411.40
5.4.90.0140.02511.45
5.4.80.0080.02211.39
5.4.70.0090.02711.45
5.4.60.0090.02511.44
5.4.50.0100.02311.48
5.4.40.0080.02111.40
5.4.30.0090.02211.40
5.4.20.0090.02211.47
5.4.10.0090.02211.39
5.4.00.0150.01611.18
5.3.290.0070.03812.80
5.3.280.0020.04712.71
5.3.270.0070.04012.73
5.3.260.0080.03812.72
5.3.250.0070.04312.71
5.3.240.0080.03912.72
5.3.230.0050.03912.70
5.3.220.0070.03412.68
5.3.210.0050.03812.68
5.3.200.0050.03612.68
5.3.190.0100.03312.68
5.3.180.0030.03912.67
5.3.170.0060.03512.66
5.3.160.0070.03512.67
5.3.150.0070.03612.67
5.3.140.0050.03612.66
5.3.130.0070.03712.66
5.3.120.0040.03912.66
5.3.110.0050.03912.66
5.3.100.0070.03612.12
5.3.90.0080.03212.08
5.3.80.0030.03812.07
5.3.70.0070.03812.07
5.3.60.0060.03412.06
5.3.50.0080.04111.99
5.3.40.0110.03212.00
5.3.30.0050.04011.95
5.3.20.0070.03311.73
5.3.10.0100.03811.70
5.3.00.0030.03711.68
5.2.170.0040.0329.19
5.2.160.0060.0299.19
5.2.150.0040.0309.19
5.2.140.0080.0329.18
5.2.130.0050.0279.14
5.2.120.0070.0279.14
5.2.110.0050.0299.15
5.2.100.0050.0289.14
5.2.90.0040.0319.14
5.2.80.0040.0329.14
5.2.70.0020.0319.14
5.2.60.0070.0279.09
5.2.50.0040.0319.06
5.2.40.0060.0309.04
5.2.30.0070.0279.01
5.2.20.0080.0269.00
5.2.10.0020.0298.93
5.2.00.0010.0318.78
5.1.60.0020.0258.07
5.1.50.0060.0298.06
5.1.40.0030.0308.05
5.1.30.0030.0288.40
5.1.20.0050.0308.42
5.1.10.0070.0238.14
5.1.00.0060.0248.14
5.0.50.0030.0226.62
5.0.40.0060.0166.48
5.0.30.0040.0306.29
5.0.20.0050.0176.27
5.0.10.0020.0206.24
5.0.00.0040.0296.23
4.4.90.0050.0124.78
4.4.80.0030.0144.76
4.4.70.0010.0174.75
4.4.60.0030.0154.76
4.4.50.0030.0144.77
4.4.40.0000.0274.70
4.4.30.0030.0144.76
4.4.20.0070.0114.85
4.4.10.0030.0154.85
4.4.00.0030.0324.75
4.3.110.0030.0224.67
4.3.100.0050.0174.66
4.3.90.0020.0144.64
4.3.80.0030.0294.58
4.3.70.0070.0114.63
4.3.60.0040.0164.63
4.3.50.0040.0144.63
4.3.40.0040.0224.54
4.3.30.0040.0163.28
4.3.20.0030.0193.27
4.3.10.0030.0213.22
4.3.00.0100.0237.42

preferences:
59.44 ms | 400 KiB | 5 Q