3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i <= 255; $i++) var_dump(chr($i XOR 128) !== chr($i), bin2hex(chr($i)), bin2hex(chr(chr($i) XOR chr(128))));

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)
8.3.60.0100.00718.18
8.3.50.0100.01722.06
8.3.40.0160.00618.86
8.3.30.0120.00419.04
8.3.20.0050.00520.29
8.3.10.0090.00023.55
8.3.00.0060.00319.13
8.2.180.0190.00618.29
8.2.170.0120.00818.66
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0030.00626.16
8.2.120.0090.00022.09
8.2.110.0100.00020.49
8.2.100.0060.00618.03
8.2.90.0040.00419.13
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0060.00319.94
8.2.30.0040.00417.92
8.2.20.0050.00317.75
8.2.10.0060.00318.05
8.2.00.0050.00317.74
8.1.280.0200.00725.92
8.1.270.0030.00622.07
8.1.260.0060.00626.35
8.1.250.0030.00628.09
8.1.240.0090.00323.97
8.1.230.0100.00318.97
8.1.220.0090.00017.74
8.1.210.0090.00018.77
8.1.200.0040.00717.23
8.1.190.0030.00617.23
8.1.180.0030.00618.10
8.1.170.0030.00618.59
8.1.160.0030.00522.01
8.1.150.0030.00518.90
8.1.140.0040.00417.48
8.1.130.0000.00817.87
8.1.120.0000.00817.48
8.1.110.0030.00617.46
8.1.100.0030.00517.50
8.1.90.0040.00417.37
8.1.80.0050.00317.36
8.1.70.0050.00317.41
8.1.60.0050.00517.64
8.1.50.0000.00817.41
8.1.40.0030.00517.47
8.1.30.0040.00417.50
8.1.20.0060.00317.56
8.1.10.0060.00317.34
8.1.00.0060.00317.41
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00818.42
8.0.270.0000.00817.25
8.0.260.0000.00717.26
8.0.250.0040.00416.82
8.0.240.0000.00916.97
8.0.230.0000.00916.97
8.0.220.0000.00716.89
8.0.210.0000.00916.85
8.0.200.0040.00416.96
8.0.190.0080.00416.88
8.0.180.0040.00416.89
8.0.170.0080.00016.80
8.0.160.0030.00916.93
8.0.150.0040.00416.84
8.0.140.0050.00316.75
8.0.130.0040.00213.35
8.0.120.0040.00416.73
8.0.110.0090.00016.73
8.0.100.0000.00916.95
8.0.90.0000.00816.88
8.0.80.0150.01216.90
8.0.70.0000.00816.84
8.0.60.0050.00316.75
8.0.50.0050.00316.66
8.0.30.0120.01517.12
8.0.20.0280.00517.40
8.0.10.0000.00916.83
8.0.00.0140.01016.64
7.4.330.0060.00015.09
7.4.320.0040.00416.59
7.4.300.0030.00616.51
7.4.290.0000.00816.59
7.4.280.0040.00416.57
7.4.270.0080.00016.50
7.4.260.0040.00416.43
7.4.250.0040.00416.57
7.4.240.0030.00616.48
7.4.230.0050.00316.48
7.4.220.0120.00916.44
7.4.210.0190.00616.40
7.4.200.0040.00416.66
7.4.160.0230.00316.50
7.4.150.0130.01317.40
7.4.140.0150.01317.86
7.4.130.0110.01416.62
7.4.120.0170.00916.52
7.4.110.0200.00716.39
7.4.100.0210.00416.46
7.4.90.0130.01016.70
7.4.80.0100.02119.39
7.4.70.0150.00616.46
7.4.60.0110.01116.59
7.4.50.0060.00316.22
7.4.40.0070.01416.68
7.4.30.0140.01716.33
7.3.330.0030.00313.10
7.3.320.0060.00013.11
7.3.310.0020.00516.32
7.3.300.0020.00516.16
7.3.290.0060.01616.32
7.3.280.0110.01416.26
7.3.270.0200.00317.40
7.3.260.0130.01016.47
7.3.250.0160.01016.63
7.3.240.0220.00616.17
7.3.230.0080.01816.39
7.3.210.0110.01116.31
7.3.200.0070.01416.55
7.3.190.0100.01016.61
7.3.180.0100.01016.54
7.3.170.0120.00916.31
7.3.160.0120.00816.30
7.3.00.0080.00416.59
7.2.330.0180.00716.59
7.2.320.0190.00316.51
7.2.310.0230.00316.37
7.2.300.0070.01716.63
7.2.290.0190.00316.38
7.2.130.0090.00616.79
7.2.120.0060.00616.73
7.2.110.0030.00716.70
7.2.100.0070.00716.96
7.2.90.0100.00316.55
7.2.80.0120.00616.57
7.2.70.0060.00916.81
7.2.60.0120.00316.66
7.2.50.0040.01216.83
7.2.40.0080.00316.43
7.2.30.0060.00916.86
7.2.20.0060.00616.81
7.2.10.0060.00616.50
7.2.00.0080.00818.17
7.1.250.0000.01115.74
7.1.240.0060.00915.56
7.1.230.0090.00615.63
7.1.220.0120.00915.83
7.1.210.0070.01015.40
7.1.200.0090.00715.53
7.1.190.0160.00015.83
7.1.180.0090.00615.88
7.1.170.0080.00415.45
7.1.160.0060.00915.62
7.1.150.0140.00715.76
7.1.140.0110.00615.69
7.1.130.0110.00415.54
7.1.120.0040.00815.88
7.1.110.0100.00315.69
7.1.100.0100.00516.82
7.1.90.0060.00615.89
7.1.80.0000.01215.84
7.1.70.0080.00316.58
7.1.60.0070.00716.53
7.1.50.0050.00816.31
7.1.40.0030.00615.80
7.1.30.0110.00415.53
7.1.20.0070.00715.48
7.1.10.0030.01015.36
7.1.00.0110.03718.93
7.0.330.0100.00715.16
7.0.320.0030.01015.28
7.0.310.0090.00915.35
7.0.300.0150.00615.64
7.0.290.0040.01515.27
7.0.280.0030.00715.39
7.0.270.0150.00015.30
7.0.260.0100.00615.18
7.0.250.0040.00815.48
7.0.240.0070.00715.38
7.0.230.0110.00715.54
7.0.220.0100.00315.55
7.0.210.0130.00315.09
7.0.200.0090.01016.14
7.0.190.0090.00315.33
7.0.180.0120.00315.35
7.0.170.0040.00715.16
7.0.160.0100.00015.28
7.0.150.0070.01115.25
7.0.140.0060.04018.70
7.0.130.0080.00615.43
7.0.120.0170.00015.23
7.0.110.0100.00315.26
7.0.100.0070.01015.28
7.0.90.0030.01315.52
7.0.80.0000.00915.37
7.0.70.0080.00015.57
7.0.60.0090.04017.54
7.0.50.0080.04416.59
7.0.40.0080.02316.78
7.0.30.0120.04916.66
7.0.20.0150.03716.79
7.0.10.0070.04816.71
7.0.00.0190.02016.77
5.6.380.0090.00614.16
5.6.370.0040.01114.38
5.6.360.0110.00413.82
5.6.350.0190.00013.80
5.6.340.0000.01013.98
5.6.330.0060.00913.75
5.6.320.0070.00714.06
5.6.310.0030.01213.99
5.6.300.0030.00814.45
5.6.290.0030.00914.39
5.6.280.0060.00313.90
5.6.270.0060.00913.91
5.6.260.0030.01014.10
5.6.250.0110.00313.79
5.6.240.0070.01014.51
5.6.230.0070.00714.05
5.6.220.0060.00614.44
5.6.210.0090.04717.22
5.6.200.0080.04516.04
5.6.190.0090.02817.44
5.6.180.0170.03217.34
5.6.170.0170.03517.16
5.6.160.0100.03017.21
5.6.150.0110.01816.05
5.6.140.0070.03816.24
5.6.130.0050.03516.18
5.6.120.0090.02817.78
5.6.110.0120.02617.61
5.6.100.0050.04817.54
5.6.90.0100.03217.72
5.6.80.0110.04517.29
5.6.70.0130.00313.87
5.6.60.0070.00713.89
5.6.50.0060.00314.13
5.6.40.0070.01014.07
5.6.30.0110.00714.29
5.6.20.0000.01514.20
5.6.10.0060.00913.99
5.6.00.0090.00014.05
5.5.380.0030.01010.96
5.5.370.0140.00011.05
5.5.360.0060.00610.97
5.5.350.0120.04315.79
5.5.340.0050.02814.46
5.5.330.0020.02515.73
5.5.320.0130.02215.68
5.5.310.0170.02515.47
5.5.300.0110.03814.48
5.5.290.0080.03614.59
5.5.280.0070.04015.95
5.5.270.0070.02215.89
5.5.260.0080.03015.83
5.5.250.0070.04015.73
5.5.240.0210.03015.52
5.5.230.0080.00310.78
5.5.220.0060.00910.94
5.5.210.0070.00010.70
5.5.200.0000.00810.68
5.5.190.0060.01210.80
5.5.180.0090.00610.89
5.5.170.0070.01110.79
5.5.160.0120.00010.70
5.5.150.0030.01310.95
5.5.140.0060.00910.85
5.5.130.0070.00010.91
5.5.120.0090.00610.77
5.5.110.0070.01010.89
5.5.100.0080.00610.83
5.5.90.0110.00510.82
5.5.80.0070.00710.91
5.5.70.0170.00311.04
5.5.60.0040.00810.72
5.5.50.0000.01310.96
5.5.40.0150.00311.06
5.5.30.0080.00410.78
5.5.20.0090.00610.54
5.5.10.0070.01110.95
5.5.00.0030.00711.02
5.4.450.0130.03315.18
5.4.440.0460.04915.13
5.4.430.0150.04015.10
5.4.420.0420.00115.05
5.4.410.0390.00415.00
5.4.400.0490.00414.95
5.4.390.0400.00214.82
5.4.380.0450.00314.92
5.4.370.0380.00314.83
5.4.360.0350.00314.80
5.4.350.0370.00514.83
5.4.340.0090.02011.31
5.4.330.0000.00910.66
5.4.320.0110.02511.65
5.4.310.0120.02611.56
5.4.300.0110.02711.60
5.4.290.0100.02511.73
5.4.280.0160.02411.56
5.4.270.0180.02311.53
5.4.260.0130.02411.61
5.4.250.0210.01911.58
5.4.240.0150.02111.49
5.4.230.0110.02911.66
5.4.220.0070.02311.49
5.4.210.0080.02311.49
5.4.200.0050.02611.42
5.4.190.0070.02311.67
5.4.180.0110.01811.60
5.4.170.0130.01811.53
5.4.160.0080.02111.54
5.4.150.0090.02111.47
5.4.140.0120.02211.43
5.4.130.0130.02311.46
5.4.120.0040.02511.27
5.4.110.0080.02011.38
5.4.100.0080.02211.39
5.4.90.0100.02211.32
5.4.80.0080.02611.43
5.4.70.0070.02111.32
5.4.60.0070.02311.24
5.4.50.0080.02011.37
5.4.40.0080.02611.44
5.4.30.0110.02311.24
5.4.20.0050.02711.38
5.4.10.0130.02011.46
5.4.00.0100.02511.17
5.3.290.0110.02611.64
5.3.280.0100.02211.48
5.3.270.0090.02111.51
5.3.260.0070.02611.61
5.3.250.0070.02511.62
5.3.240.0050.02411.58
5.3.230.0100.02711.53
5.3.220.0060.02911.49
5.3.210.0140.01911.48
5.3.200.0080.02711.47
5.3.190.0060.02511.52
5.3.180.0070.02511.60
5.3.170.0120.02311.57
5.3.160.0050.02611.49
5.3.150.0100.02611.50
5.3.140.0040.02811.46
5.3.130.0110.03011.53
5.3.120.0080.02511.56
5.3.110.0080.02311.51
5.3.100.0070.02611.29
5.3.90.0080.02511.28
5.3.80.0060.02511.25
5.3.70.0110.01911.17
5.3.60.0060.02311.29
5.3.50.0090.02111.14
5.3.40.0100.02211.13
5.3.30.0100.02211.20
5.3.20.0040.02410.99
5.3.10.0060.02210.97
5.3.00.0130.01910.96
5.2.170.0110.0259.71
5.2.160.0060.0239.71
5.2.150.0070.0239.72
5.2.140.0040.0299.71
5.2.130.0070.0179.69
5.2.120.0030.0219.69
5.2.110.0040.0269.70
5.2.100.0070.0239.70
5.2.90.0060.0219.70
5.2.80.0070.0189.70
5.2.70.0040.0209.70
5.2.60.0100.0219.67
5.2.50.0100.0219.65
5.2.40.0110.0179.64
5.2.30.0070.0219.63
5.2.20.0060.0219.63
5.2.10.0080.0249.59
5.2.00.0050.0209.52
5.1.60.0050.0169.16
5.1.50.0080.0189.15
5.1.40.0090.0129.15
5.1.30.0060.0209.32
5.1.20.0050.0169.33
5.1.10.0040.0179.19
5.1.00.0050.0229.19
5.0.50.0030.0178.44
5.0.40.0060.0138.37
5.0.30.0050.0228.27
5.0.20.0070.0128.26
5.0.10.0050.0168.24
5.0.00.0080.0188.24
4.4.90.0060.0117.52
4.4.80.0050.0147.51
4.4.70.0070.0157.50
4.4.60.0050.0107.50
4.4.50.0080.0147.51
4.4.40.0070.0167.48
4.4.30.0050.0107.50
4.4.20.0050.0127.55
4.4.10.0090.0117.55
4.4.00.0060.0217.51
4.3.110.0050.0137.46
4.3.100.0050.0197.46
4.3.90.0060.0107.45
4.3.80.0060.0187.42
4.3.70.0060.0117.44
4.3.60.0090.0107.44
4.3.50.0080.0137.44
4.3.40.0100.0207.40
4.3.30.0040.0216.77
4.3.20.0050.0156.76
4.3.10.0070.0086.74
4.3.00.0080.0188.73

preferences:
64.27 ms | 401 KiB | 5 Q