3v4l.org

run code in 300+ PHP versions simultaneously
<?php function strxor2($rhs, $lhs) { $result = ''; for ($i = 0; $i < strlen($rhs); $i++) { $result .= chr(ord($rhs[$i]) ^ ord($lhs[$i])); } return $result; } var_dump(strxor2('1', '2'));

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)
8.3.40.0140.00018.84
8.3.30.0170.00019.21
8.3.20.0030.00520.14
8.3.10.0050.00321.88
8.3.00.0070.00019.20
8.2.170.0090.00619.09
8.2.160.0040.01122.96
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0100.00019.20
8.2.110.0080.00022.27
8.2.100.0040.00717.78
8.2.90.0000.00819.17
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0070.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00618.16
8.2.30.0040.00419.41
8.2.20.0080.00017.62
8.2.10.0000.00817.97
8.2.00.0090.00017.56
8.1.270.0090.00018.73
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0090.00024.02
8.1.230.0110.00419.10
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0000.00818.61
8.1.160.0040.00421.96
8.1.150.0000.00718.88
8.1.140.0000.00819.10
8.1.130.0030.00317.84
8.1.120.0000.00817.35
8.1.110.0040.00417.37
8.1.100.0030.00517.39
8.1.90.0040.00417.27
8.1.80.0040.00417.31
8.1.70.0000.00717.44
8.1.60.0030.00617.42
8.1.50.0050.00317.59
8.1.40.0000.00717.54
8.1.30.0040.00417.69
8.1.20.0000.00717.67
8.1.10.0040.00417.53
8.1.00.0000.00817.52
8.0.300.0000.00918.77
8.0.290.0000.00716.63
8.0.280.0060.00018.35
8.0.270.0030.00317.31
8.0.260.0030.00317.25
8.0.250.0060.00016.96
8.0.240.0070.00016.95
8.0.230.0030.00316.87
8.0.220.0050.00316.84
8.0.210.0080.00016.71
8.0.200.0000.00716.86
8.0.190.0000.00816.92
8.0.180.0080.00016.79
8.0.170.0030.00516.86
8.0.160.0000.00716.75
8.0.150.0000.00816.66
8.0.140.0080.00316.70
8.0.130.0060.00013.29
8.0.120.0040.00416.80
8.0.110.0030.00516.86
8.0.100.0000.00716.83
8.0.90.0030.00516.76
8.0.80.0060.00916.79
8.0.70.0000.00816.85
8.0.60.0020.00516.74
8.0.50.0040.00416.78
8.0.30.0090.01116.90
8.0.20.0120.00617.40
8.0.10.0000.00716.98
8.0.00.0080.01016.71
7.4.330.0050.00015.03
7.4.320.0030.00316.41
7.4.300.0030.00316.61
7.4.290.0070.00016.63
7.4.280.0130.00316.54
7.4.270.0000.00716.63
7.4.260.0040.00416.61
7.4.250.0000.00716.47
7.4.240.0020.00516.55
7.4.230.0000.00916.39
7.4.220.0130.01616.39
7.4.210.0120.00916.71
7.4.200.0080.00016.70
7.4.160.0060.00916.39
7.4.150.0100.01017.40
7.4.140.0060.01217.86
7.4.130.0110.00716.58
7.4.120.0080.01316.50
7.4.110.0140.00316.49
7.4.100.0070.01016.54
7.4.90.0140.00316.63
7.4.80.0070.01019.39
7.4.70.0060.00916.51
7.4.60.0030.01216.65
7.4.50.0030.00316.56
7.4.40.0130.00316.49
7.4.30.0160.00616.34
7.4.00.0060.01015.01
7.3.330.0050.00013.38
7.3.320.0000.00513.20
7.3.310.0000.00716.37
7.3.300.0030.00316.44
7.3.290.0080.00716.35
7.3.280.0100.00816.41
7.3.270.0140.00717.40
7.3.260.0070.01016.55
7.3.250.0130.00516.35
7.3.240.0170.00016.33
7.3.230.0100.00716.39
7.3.210.0150.00616.39
7.3.200.0110.00719.39
7.3.190.0100.00516.37
7.3.180.0040.01616.36
7.3.170.0070.01016.38
7.3.160.0130.00616.51
7.2.330.0060.01216.74
7.2.320.0080.00916.61
7.2.310.0030.01416.62
7.2.300.0100.00616.80
7.2.290.0120.01216.54
7.2.60.0130.00316.91
7.2.00.0060.00919.44
7.1.200.0120.00315.68
7.1.100.0060.00618.23
7.1.70.0060.00316.88
7.1.60.0090.01619.46
7.1.50.0070.01417.04
7.1.00.0070.07022.30
7.0.200.0700.00314.98
7.0.140.0030.07322.10
7.0.60.0070.07720.02
7.0.50.0130.07317.85
7.0.40.0000.10020.09
7.0.30.0230.04320.19
7.0.20.0300.08720.25
7.0.10.0070.08720.22
7.0.00.0100.03720.09
5.6.280.0000.07321.11
5.6.210.0070.04720.57
5.6.200.0130.07718.24
5.6.190.0100.03720.48
5.6.180.0200.05320.61
5.6.170.0300.06020.57
5.6.160.0070.05320.48
5.6.150.0070.03718.18
5.6.140.0070.08018.18
5.6.130.0070.07718.19
5.6.120.0170.04021.10
5.6.110.0070.04021.08
5.6.100.0170.04320.99
5.6.90.0100.05021.02
5.6.80.0170.05720.38
5.5.350.0200.07720.43
5.5.340.0030.04017.98
5.5.330.0070.04320.35
5.5.320.0000.04320.20
5.5.310.0300.04320.27
5.5.300.0070.08718.08
5.5.290.0100.08018.02
5.5.280.0100.03320.77
5.5.270.0130.06020.87
5.5.260.0100.03720.68
5.5.250.0030.04020.58
5.5.240.0030.07320.04
5.4.450.0370.06019.31
5.4.440.0630.06319.48
5.4.430.0270.04319.48
5.4.420.0630.06019.70
5.4.410.0900.06019.25
5.4.400.0830.04719.08
5.4.390.0630.06718.73
5.4.380.0800.07718.60
5.4.370.0730.05718.79
5.4.360.0600.05318.73
5.4.350.0830.07318.79
5.4.340.0770.08018.73
5.4.320.0870.07018.69
5.4.310.0830.08018.52
5.4.300.0500.06018.50
5.4.290.0670.06018.52
5.4.280.0600.05718.59
5.4.270.0730.05318.51
5.4.260.0770.05318.51
5.4.250.0700.05018.80
5.4.240.0730.05318.75
5.4.230.0600.05318.48
5.4.220.0670.05718.77
5.4.210.0730.06018.75
5.4.200.0900.05716.70
5.4.190.0670.06018.61
5.4.180.0800.07018.56
5.4.170.0870.07018.48
5.4.160.0870.05318.72
5.4.150.0700.07318.74
5.4.140.0770.06316.22
5.4.130.0600.05716.29
5.4.120.0770.05016.29
5.4.110.0700.06316.22
5.4.100.0530.05316.28
5.4.90.0670.05016.22
5.4.80.1070.07316.27
5.4.70.0800.05316.15
5.4.60.0730.05016.27
5.4.50.1130.07016.29
5.4.40.0930.06716.41
5.4.30.0730.05316.16
5.4.20.1130.06016.42
5.4.10.0870.04016.18
5.4.00.0770.05015.72
5.3.290.0800.05314.70
5.3.280.1200.05314.69
5.3.270.1030.06714.64
5.3.260.0930.06314.64
5.3.250.0670.06314.64
5.3.240.0800.05014.77
5.3.230.0800.04714.64
5.3.220.0970.05014.63
5.3.210.0900.06014.75
5.3.200.0800.06014.61
5.3.190.0930.05014.56
5.3.180.1000.05714.67
5.3.170.0870.04714.77
5.3.160.1000.04714.56
5.3.150.0830.05714.68
5.3.140.0900.06314.75
5.3.130.1070.04014.67
5.3.120.0730.05714.54
5.3.110.0770.05714.73
5.3.100.0800.05014.09
5.3.90.0800.04314.06
5.3.80.0930.03714.00
5.3.70.0770.05314.04
5.3.60.0800.06014.06
5.3.50.0830.05013.93
5.3.40.0800.06313.95
5.3.30.0800.04714.02
5.3.20.0900.06013.76
5.3.10.0730.05313.70
5.3.00.0930.05313.74
5.2.170.0770.04311.14
5.2.160.0600.04311.24
5.2.150.0800.03711.24
5.2.140.0770.04311.18
5.2.130.0670.05311.20
5.2.120.0630.04311.14
5.2.110.0700.03311.15
5.2.100.0670.03711.15
5.2.90.0570.05711.20
5.2.80.0670.04311.15
5.2.70.0630.04311.14
5.2.60.0730.03711.09
5.2.50.0700.04011.02
5.2.40.0670.02311.02
5.2.30.0570.03711.01
5.2.20.0600.03311.09
5.2.10.0500.04710.96
5.2.00.0630.03310.81
5.1.60.0670.02010.02
5.1.50.0600.03010.17
5.1.40.0570.03710.00
5.1.30.0570.04010.54
5.1.20.0530.03710.33
5.1.10.0630.02710.05
5.1.00.0530.03010.26
5.0.50.0270.0308.57
5.0.40.0270.0278.43
5.0.30.0470.0378.30
5.0.20.0400.0208.22
5.0.10.0330.0278.28
5.0.00.0270.0508.26
4.4.90.0230.0275.97
4.4.80.0370.0175.89
4.4.70.0300.0175.87
4.4.60.0270.0235.89
4.4.50.0300.0175.88
4.4.40.0270.0375.91
4.4.30.0300.0205.89
4.4.20.0330.0205.96
4.4.10.0270.0305.96
4.4.00.0330.0336.00
4.3.110.0330.0205.88
4.3.100.0300.0175.93
4.3.90.0370.0175.85
4.3.80.0370.0275.90
4.3.70.0400.0235.82
4.3.60.0330.0175.82
4.3.50.0270.0235.82
4.3.40.0300.0375.83
4.3.30.0130.0205.17
4.3.20.0100.0235.17
4.3.10.0130.0235.17
4.3.00.0070.0239.46

preferences:
40.95 ms | 400 KiB | 5 Q