3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '9f1906'; var_dump(pack('H*',$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)
8.3.60.0110.00716.63
8.3.50.0040.01418.14
8.3.40.0040.01118.68
8.3.30.0090.00618.72
8.3.20.0030.00518.64
8.3.10.0080.00018.58
8.3.00.0040.00419.13
8.2.180.0070.01418.16
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.94
8.2.110.0090.00022.10
8.2.100.0060.00819.51
8.2.90.0000.00817.63
8.2.80.0080.00018.64
8.2.70.0040.00417.47
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0040.00418.22
8.2.30.0030.00817.69
8.2.20.0040.00417.54
8.2.10.0050.00217.55
8.2.00.0000.00717.64
8.1.280.0120.00625.92
8.1.270.0140.00423.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00320.26
8.1.230.0110.00017.65
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0030.00517.23
8.1.180.0030.00619.19
8.1.170.0080.00018.52
8.1.160.0000.00719.02
8.1.150.0000.00718.58
8.1.140.0000.00917.38
8.1.130.0050.00317.45
8.1.120.0040.00317.46
8.1.110.0030.00517.39
8.1.100.0000.00717.37
8.1.90.0070.00017.28
8.1.80.0050.00317.43
8.1.70.0030.00317.35
8.1.60.0030.00617.53
8.1.50.0000.00717.38
8.1.40.0030.00717.35
8.1.30.0000.00917.45
8.1.20.0060.00317.53
8.1.10.0000.00717.34
8.1.00.0080.00017.37
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00818.39
8.0.270.0000.00717.10
8.0.260.0000.00816.75
8.0.250.0040.00416.93
8.0.240.0000.00716.88
8.0.230.0020.00516.88
8.0.220.0040.00416.67
8.0.210.0000.00916.69
8.0.200.0000.00716.82
8.0.190.0040.00416.82
8.0.180.0000.00916.75
8.0.170.0030.00616.81
8.0.160.0070.00016.86
8.0.150.0040.00416.79
8.0.140.0040.00816.82
8.0.130.0000.00713.25
8.0.120.0000.01216.69
8.0.110.0000.00816.63
8.0.100.0030.00316.77
8.0.90.0040.00416.89
8.0.80.0030.01316.77
8.0.70.0080.00016.77
8.0.60.0030.00516.79
8.0.50.0000.00716.71
8.0.30.0110.01116.79
8.0.20.0130.00816.99
8.0.10.0070.00016.84
8.0.00.0130.00616.73
7.4.330.0030.00312.80
7.4.320.0030.00316.53
7.4.300.0030.00316.39
7.4.290.0030.00316.53
7.4.280.0030.00316.43
7.4.270.0000.00816.55
7.4.260.0000.00513.21
7.4.250.0000.00816.41
7.4.240.0070.00016.55
7.4.230.0030.00316.63
7.4.220.0040.01816.34
7.4.210.0060.01316.43
7.4.200.0070.00016.64
7.4.190.0040.00416.69
7.4.160.0090.00616.39
7.4.150.0110.00716.46
7.4.140.0160.00617.86
7.4.130.0070.01116.35
7.4.120.0100.00716.53
7.4.110.0080.00816.27
7.4.100.0130.00316.44
7.4.90.0110.00716.46
7.4.80.0090.00919.39
7.4.70.0070.01116.55
7.4.60.0080.00816.49
7.4.50.0040.00416.25
7.4.40.0050.00916.22
7.4.30.0120.00416.45
7.4.00.0040.01214.96
7.3.330.0060.00013.01
7.3.320.0030.00313.05
7.3.310.0060.00016.13
7.3.300.0030.00616.12
7.3.290.0030.01216.15
7.3.280.0060.00916.08
7.3.270.0120.00616.37
7.3.260.0090.00816.20
7.3.240.0110.00616.24
7.3.230.0130.00416.36
7.3.210.0120.00916.19
7.3.200.0120.00919.39
7.3.190.0060.00916.36
7.3.180.0130.00716.46
7.3.170.0090.00616.36
7.3.160.0040.01216.32
7.3.120.0050.01314.66
7.3.110.0070.01014.39
7.3.100.0070.00714.55
7.3.90.0100.00714.56
7.3.80.0040.01214.59
7.3.70.0070.01014.41
7.3.60.0070.00714.69
7.3.50.0060.00914.88
7.3.40.0080.00414.39
7.3.30.0120.00314.58
7.3.20.0090.00016.35
7.3.10.0030.01116.31
7.3.00.0060.01016.60
7.2.330.0030.01416.56
7.2.320.0100.00616.55
7.2.310.0120.01216.44
7.2.300.0090.00916.42
7.2.290.0100.01016.57
7.2.250.0070.01114.75
7.2.240.0060.01014.97
7.2.230.0070.01114.60
7.2.220.0090.00614.82
7.2.210.0110.00014.52
7.2.200.0100.00714.89
7.2.190.0110.00314.81
7.2.180.0000.00914.85
7.2.170.0090.00614.76
7.2.130.0030.00716.89
7.2.120.0090.00616.75
7.2.110.0060.00316.64
7.2.100.0080.00816.82
7.2.90.0120.00316.87
7.2.80.0090.00616.70
7.2.70.0040.01116.65
7.2.60.0030.00916.43
7.2.50.0040.00716.58
7.2.40.0080.00416.56
7.2.30.0000.01416.68
7.2.20.0070.00716.78
7.2.10.0090.00316.75
7.2.00.0030.00918.06
7.1.330.0040.01115.61
7.1.320.0040.01115.64
7.1.310.0060.00615.77
7.1.300.0030.01315.57
7.1.290.0040.01115.51
7.1.280.0070.00315.39
7.1.270.0110.00315.60
7.1.260.0030.00615.63
7.1.250.0030.01315.86
7.1.100.0040.00817.99
7.1.70.0060.00617.25
7.1.60.0000.01117.15
7.1.50.0070.01716.89
7.1.00.0000.03722.36
7.0.200.0030.00516.73
7.0.140.0000.07721.95
7.0.120.0030.06722.02
7.0.60.0100.06719.93
7.0.50.0000.04717.90
7.0.40.0070.03717.66
7.0.30.0000.04317.76
7.0.20.0030.04017.69
7.0.10.0100.03317.78
7.0.00.0030.04017.66
5.6.280.0030.07321.11
5.6.210.0070.08320.71
5.6.200.0070.06318.18
5.6.190.0030.04318.18
5.6.180.0030.04018.13
5.6.170.0070.03718.12
5.6.160.0030.04018.22
5.6.150.0070.03718.15
5.6.140.0030.04018.21
5.6.130.0070.04018.20
5.6.120.0030.04018.13
5.6.110.0030.05018.14
5.6.100.0030.04018.20
5.6.90.0030.04018.14
5.6.80.0070.05017.60
5.6.70.0070.04017.59
5.6.60.0170.05317.48
5.6.50.0100.06017.54
5.6.40.0130.04017.51
5.6.30.0300.04017.57
5.6.20.0100.06717.57
5.6.10.0130.07317.43
5.6.00.0070.06317.53
5.5.350.0230.06720.41
5.5.340.0030.04017.88
5.5.330.0070.03717.96
5.5.320.0030.04018.01
5.5.310.0030.04018.02
5.5.300.0030.04017.98
5.5.290.0070.03718.00
5.5.280.0100.03317.92
5.5.270.0030.04018.00
5.5.260.0070.03717.98
5.5.250.0000.04317.78
5.5.240.0100.07717.40
5.5.230.0030.08017.35
5.5.220.0070.08017.40
5.5.210.0130.07017.29
5.5.200.0030.04317.34
5.5.190.0100.07317.37
5.5.180.0030.08017.30
5.5.160.0070.08017.34
5.5.150.0100.06317.26
5.5.140.0100.07717.27
5.5.130.0100.05317.26
5.5.120.0000.09017.30
5.5.110.0130.06717.33
5.5.100.0100.06317.21
5.5.90.0030.07717.27
5.5.80.0100.05017.19
5.5.70.0170.06717.21
5.5.60.0000.07017.15
5.5.50.0070.04717.11
5.5.40.0170.05317.18
5.5.30.0030.05017.19
5.5.20.0100.06717.20
5.5.10.0130.07017.22
5.5.00.0070.08017.25
5.4.450.0070.04019.54
5.4.440.0000.04019.33
5.4.430.0030.03719.21
5.4.420.0000.04319.41
5.4.410.0030.03719.22
5.4.400.0070.05318.99
5.4.390.0070.04019.02
5.4.380.0100.04719.07
5.4.370.0100.04018.96
5.4.360.0000.05018.88
5.4.350.0000.06718.99
5.4.340.0030.06719.11
5.4.320.0130.07718.93
5.4.310.0100.04018.98
5.4.300.0030.06018.98
5.4.290.0100.07718.98
5.4.280.0030.04319.07
5.4.270.0030.05318.88
5.4.260.0070.07019.00
5.4.250.0100.05318.82
5.4.240.0070.08019.20
5.4.230.0130.07018.97
5.4.220.0000.05719.02
5.4.210.0100.07718.88
5.4.200.0030.08318.97
5.4.190.0100.05318.97
5.4.180.0170.05319.00
5.4.170.0070.07319.11
5.4.160.0130.07718.95
5.4.150.0100.03318.80
5.4.140.0070.03316.18
5.4.130.0100.03016.31
5.4.120.0100.06316.33
5.4.110.0100.04316.25
5.4.100.0030.04716.42
5.4.90.0100.07016.34
5.4.80.0130.06016.28
5.4.70.0030.05016.31
5.4.60.0030.05716.26
5.4.50.0000.04716.27
5.4.40.0070.03016.16
5.4.30.0030.04016.24
5.4.20.0100.06716.34
5.4.10.0100.04716.35
5.4.00.0000.04015.68
5.3.290.0070.06314.60
5.3.280.0100.04314.53
5.3.270.0000.04314.68
5.3.260.0100.04714.52
5.3.250.0170.06314.55
5.3.240.0000.04314.57
5.3.230.0070.07714.43
5.3.220.0070.05314.53
5.3.210.0100.07314.52
5.3.200.0170.06714.38
5.3.190.0000.08714.52
5.3.180.0070.07014.63
5.3.170.0130.07014.47
5.3.160.0000.04314.50
5.3.150.0070.07014.52
5.3.140.0030.04014.48
5.3.130.0100.04714.50
5.3.120.0100.06714.47
5.3.110.0100.07714.50
5.3.100.0070.06013.97
5.3.90.0000.04714.09
5.3.80.0130.03713.79
5.3.70.0070.06313.96
5.3.60.0070.05013.96
5.3.50.0100.07014.02
5.3.40.0000.05013.91
5.3.30.0070.06313.77
5.3.20.0070.05713.68
5.3.10.0130.06313.50
5.3.00.0100.07013.54
5.2.170.0070.05311.13
5.2.160.0030.06311.07
5.2.150.0030.06711.04
5.2.140.0270.04711.17
5.2.130.0070.06011.04
5.2.120.0000.03711.11
5.2.110.0070.05011.07
5.2.100.0000.04011.01
5.2.90.0070.06011.09
5.2.80.0000.04711.01
5.2.70.0130.05311.09
5.2.60.0100.05711.19
5.2.50.0030.06710.95
5.2.40.0030.06010.81
5.2.30.0070.03310.86
5.2.20.0070.05711.09
5.2.10.0030.06310.90
5.2.00.0100.05310.55
5.1.60.0100.03310.01
5.1.50.0030.02310.00
5.1.40.0070.05010.11
5.1.30.0070.04710.32
5.1.20.0100.03010.35
5.1.10.0070.04710.04
5.1.00.0030.03310.09
5.0.50.0030.0438.50
5.0.40.0070.0378.38
5.0.30.0030.0438.16
5.0.20.0000.0338.14
5.0.10.0030.0478.23
5.0.00.0070.0478.14
4.4.90.0030.0277.88
4.4.80.0030.0207.88
4.4.70.0000.0207.88
4.4.60.0030.0277.88
4.4.50.0030.0177.88
4.4.40.0070.0277.88
4.4.30.0070.0337.88
4.4.20.0000.0277.88
4.4.10.0030.0337.88
4.4.00.0000.0477.88
4.3.110.0000.0277.88
4.3.100.0070.0337.88
4.3.90.0070.0337.88
4.3.80.0000.0607.88
4.3.70.0000.0307.88
4.3.60.0030.0377.88
4.3.50.0030.0377.88
4.3.40.0000.0477.88
4.3.30.0000.0377.88
4.3.20.0030.0377.88
4.3.10.0000.0337.88
4.3.00.0000.0377.88

preferences:
55.21 ms | 401 KiB | 5 Q