3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "\x00\x00\x00"; var_dump(bin2hex($str)); $str[1] = "\xff"; var_dump(bin2hex($str));

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)
8.3.40.0070.00718.59
8.3.30.0120.00618.57
8.3.20.0000.00818.75
8.3.10.0080.00018.42
8.3.00.0080.00019.38
8.2.170.0140.00022.96
8.2.160.0120.00321.02
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0080.00020.82
8.2.110.0030.00721.04
8.2.100.0070.00417.72
8.2.90.0000.00919.53
8.2.80.0070.00019.39
8.2.70.0040.00417.50
8.2.60.0000.00717.93
8.2.50.0000.00818.07
8.2.40.0070.00018.09
8.2.30.0050.00518.01
8.2.20.0000.00917.75
8.2.10.0030.00617.80
8.2.00.0070.00317.71
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0070.00322.61
8.1.230.0070.00420.95
8.1.220.0080.00017.78
8.1.210.0060.00318.88
8.1.200.0070.00417.36
8.1.190.0040.00417.65
8.1.180.0050.00318.10
8.1.170.0000.00818.84
8.1.160.0070.00018.79
8.1.150.0040.00418.61
8.1.140.0020.00517.38
8.1.130.0030.00317.72
8.1.120.0030.00617.50
8.1.110.0040.00417.48
8.1.100.0000.00717.44
8.1.90.0000.00717.41
8.1.80.0040.00317.36
8.1.70.0030.00317.35
8.1.60.0040.00417.54
8.1.50.0040.00417.34
8.1.40.0000.00717.51
8.1.30.0060.00317.53
8.1.20.0000.00717.48
8.1.10.0000.00717.43
8.1.00.0060.00317.46
8.0.300.0040.00419.90
8.0.290.0030.00616.75
8.0.280.0000.00718.34
8.0.270.0070.00017.25
8.0.260.0000.00716.85
8.0.250.0040.00416.95
8.0.240.0000.00716.84
8.0.230.0000.00816.95
8.0.220.0040.00316.78
8.0.210.0070.00016.79
8.0.200.0070.00016.95
8.0.190.0050.00316.90
8.0.180.0040.00416.89
8.0.170.0060.00316.94
8.0.160.0070.00016.94
8.0.150.0000.00816.85
8.0.140.0030.00616.79
8.0.130.0000.00513.27
8.0.120.0040.00416.82
8.0.110.0030.00616.88
8.0.100.0000.00716.88
8.0.90.0080.00016.82
8.0.80.0130.00416.92
8.0.70.0000.00816.86
8.0.60.0050.00316.75
8.0.50.0000.00716.73
8.0.30.0110.00716.94
8.0.20.0110.00816.82
8.0.10.0030.00317.03
8.0.00.0080.01116.79
7.4.330.0050.00012.99
7.4.320.0030.00316.39
7.4.300.0030.00316.50
7.4.290.0030.00316.64
7.4.280.0070.00016.57
7.4.270.0030.00516.54
7.4.260.0030.00313.38
7.4.250.0020.00516.60
7.4.240.0000.00816.54
7.4.230.0000.00716.40
7.4.220.0150.00816.46
7.4.210.0080.00716.61
7.4.200.0030.00316.49
7.4.190.0050.00316.66
7.4.160.0140.00316.45
7.4.150.0120.00616.50
7.4.140.0110.00616.37
7.4.130.0070.01416.49
7.4.120.0110.00716.53
7.4.110.0120.00916.46
7.4.100.0070.01016.27
7.4.90.0070.01016.49
7.4.80.0120.00619.39
7.4.70.0190.00016.55
7.4.60.0110.00516.43
7.4.50.0030.01016.44
7.4.40.0090.00616.50
7.4.30.0070.01016.42
7.4.00.0070.01014.97
7.3.330.0030.00313.16
7.3.320.0000.00513.17
7.3.310.0030.00316.39
7.3.300.0000.00716.24
7.3.290.0070.00716.29
7.3.280.0100.00616.21
7.3.270.0090.00916.34
7.3.260.0130.00316.46
7.3.250.0110.00916.32
7.3.240.0100.00616.30
7.3.230.0090.00916.25
7.3.210.0100.00616.34
7.3.200.0100.00716.31
7.3.190.0030.01316.47
7.3.180.0060.00916.52
7.3.170.0150.00016.36
7.3.160.0120.00316.28
7.3.120.0120.00314.79
7.2.330.0140.00716.43
7.2.320.0070.01116.32
7.2.310.0030.01816.30
7.2.300.0030.01516.43
7.2.290.0060.01016.38
7.2.60.0080.00416.79
7.2.50.0110.00416.68
7.2.00.0000.01319.09
7.1.200.0090.00015.70
7.1.100.0250.00417.48
7.1.70.0040.00717.26
7.1.60.0120.01219.40
7.1.50.0070.00416.83
7.1.00.0030.04022.43
7.0.200.0140.00414.94
7.0.140.0100.06721.97
7.0.120.0030.07322.03
7.0.60.0100.03319.92
7.0.50.0070.08317.63
7.0.40.0070.03717.79
7.0.30.0030.04717.70
7.0.20.0030.04017.76
7.0.10.0030.05017.73
7.0.00.0030.05017.64
5.6.210.0030.08720.65
5.6.200.0030.04718.08
5.6.190.0100.07718.13
5.6.180.0130.06718.08
5.6.170.0030.04018.19
5.6.160.0070.03718.17
5.6.150.0070.04018.21
5.6.140.0000.05718.18
5.6.130.0030.04018.07
5.6.120.0000.04318.18
5.6.110.0000.04318.21
5.6.100.0030.08718.14
5.6.90.0030.04018.16
5.6.80.0030.04317.59
5.6.70.0030.08017.50
5.6.60.0070.04017.46
5.6.50.0030.04017.55
5.6.40.0070.06317.52
5.6.30.0000.06017.57
5.6.20.0030.04717.52
5.6.10.0130.07317.52
5.6.00.0070.07717.49
5.5.350.0030.04320.32
5.5.340.0130.07018.01
5.5.330.0030.05717.88
5.5.320.0030.08317.92
5.5.310.0030.04017.92
5.5.300.0100.03317.95
5.5.290.0030.04017.98
5.5.280.0000.04317.96
5.5.270.0000.05017.96
5.5.260.0030.07717.93
5.5.250.0000.04317.72
5.5.240.0100.06717.26
5.5.230.0000.04717.39
5.5.220.0100.03017.29
5.5.210.0070.05317.34
5.5.200.0070.05717.32
5.5.190.0100.03017.36
5.5.180.0000.04717.37
5.5.160.0130.03317.34
5.5.150.0030.04017.27
5.5.140.0070.07717.33
5.5.130.0070.04017.30
5.5.120.0070.06317.41
5.5.110.0030.08317.33
5.5.100.0030.04717.22
5.5.90.0070.04017.26
5.5.80.0030.04317.21
5.5.70.0000.04017.21
5.5.60.0000.08017.24
5.5.50.0000.04317.19
5.5.40.0000.04017.22
5.5.30.0070.04317.12
5.5.20.0030.04017.22
5.5.10.0030.03717.21
5.5.00.0030.07717.23
5.4.450.0030.04019.41
5.4.440.0100.06019.31
5.4.430.0030.07019.30
5.4.420.0100.04019.21
5.4.410.0000.04019.23
5.4.400.0000.04719.21
5.4.390.0030.03719.20
5.4.380.0100.05319.12
5.4.370.0030.07318.97
5.4.360.0070.03718.97
5.4.350.0000.04019.04
5.4.340.0030.04019.10
5.4.320.0070.08019.05
5.4.310.0000.05318.98
5.4.300.0070.03719.11
5.4.290.0070.05318.98
5.4.280.0070.08018.98
5.4.270.0030.07718.98
5.4.260.0070.06319.09
5.4.250.0100.07018.96
5.4.240.0000.04019.12
5.4.230.0130.02719.02
5.4.220.0030.06018.98
5.4.210.0070.04019.12
5.4.200.0070.07319.13
5.4.190.0030.07718.82
5.4.180.0030.03718.98
5.4.170.0070.03318.97
5.4.160.0070.03318.97
5.4.150.0030.07718.98
5.4.140.0030.03716.29
5.4.130.0070.03716.36
5.4.120.0000.04716.33
5.4.110.0030.03716.25
5.4.100.0030.07316.37
5.4.90.0000.03716.23
5.4.80.0000.04016.27
5.4.70.0070.03316.32
5.4.60.0130.05016.27
5.4.50.0030.06016.34
5.4.40.0070.04016.39
5.4.30.0030.07316.22
5.4.20.0100.07016.22
5.4.10.0100.07016.32
5.4.00.0030.07015.61
5.3.290.0000.09014.48
5.3.280.0070.04314.54
5.3.270.0030.07714.53
5.3.260.0000.04014.57
5.3.250.0100.07314.55
5.3.240.0070.07714.44
5.3.230.0070.03314.55
5.3.220.0070.07014.34
5.3.210.0030.03714.55
5.3.200.0000.05014.50
5.3.190.0000.04014.55
5.3.180.0070.03314.47
5.3.170.0070.03314.42
5.3.160.0100.07014.54
5.3.150.0170.07014.34
5.3.140.0030.05314.63
5.3.130.0070.08014.41
5.3.120.0170.06314.38
5.3.110.0000.04714.52
5.3.100.0070.03314.11
5.3.90.0070.06313.93
5.3.80.0030.06713.77
5.3.70.0070.05013.96
5.3.60.0100.07013.75
5.3.50.0070.05013.88
5.3.40.0000.05313.80
5.3.30.0130.07013.88
5.3.20.0000.05713.65
5.3.10.0070.06713.41
5.3.00.0030.05013.39
5.2.170.0030.04311.07
5.2.160.0070.06311.13
5.2.150.0130.05011.11
5.2.140.0100.05010.97
5.2.130.0100.06010.93
5.2.120.0100.03011.08
5.2.110.0000.04011.02
5.2.100.0030.05711.07
5.2.90.0030.04711.06
5.2.80.0070.05310.91
5.2.70.0030.03711.05
5.2.60.0030.06011.01
5.2.50.0130.05710.99
5.2.40.0030.05310.96
5.2.30.0070.03710.86
5.2.20.0100.05010.93
5.2.10.0030.05710.88
5.2.00.0030.06010.61
5.1.60.0030.0379.92
5.1.50.0070.0509.97
5.1.40.0100.0239.95
5.1.30.0030.05710.38
5.1.20.0030.05310.41
5.1.10.0030.0379.89
5.1.00.0070.05310.09
5.0.50.0000.0338.58
5.0.40.0030.0208.32
5.0.30.0030.0478.22
5.0.20.0070.0238.25
5.0.10.0070.0308.21
5.0.00.0030.0578.09
4.4.90.0030.0307.53
4.4.80.0100.0277.53
4.4.70.0000.0407.53
4.4.60.0070.0277.53
4.4.50.0070.0277.53
4.4.40.0030.0537.53
4.4.30.0030.0237.53
4.4.20.0030.0277.53
4.4.10.0030.0237.53
4.4.00.0030.0237.53
4.3.110.0000.0377.53
4.3.100.0030.0177.53
4.3.90.0000.0177.53
4.3.80.0030.0537.53
4.3.70.0070.0207.53
4.3.60.0000.0337.53
4.3.50.0030.0237.53
4.3.40.0000.0577.53
4.3.30.0030.0337.53
4.3.20.0000.0207.53
4.3.10.0000.0407.53
4.3.00.0000.0377.53

preferences:
42.03 ms | 400 KiB | 5 Q