3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = ' Cent sign: '.pack('H*','b043'); echo "str is: $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
8.3.30.0150.00418.54
8.3.20.0030.00518.60
8.3.10.0030.00520.56
8.3.00.0030.00619.13
8.2.170.0110.00322.96
8.2.160.0090.01222.25
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.59
8.2.110.0080.00321.03
8.2.100.0090.00317.59
8.2.90.0080.00019.17
8.2.80.0030.00517.97
8.2.70.0050.00317.48
8.2.60.0000.00717.80
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00719.73
8.2.20.0070.00017.53
8.2.10.0040.00417.57
8.2.00.0030.00517.73
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.42
8.1.230.0030.00920.85
8.1.220.0000.00818.77
8.1.210.0080.00018.89
8.1.200.0090.00017.22
8.1.190.0000.00817.53
8.1.180.0070.00018.10
8.1.170.0000.00918.83
8.1.160.0070.00018.86
8.1.150.0000.01018.55
8.1.140.0000.00717.38
8.1.130.0030.00317.73
8.1.120.0070.00017.37
8.1.110.0000.00717.42
8.1.100.0020.00517.33
8.1.90.0070.00017.27
8.1.80.0000.00817.37
8.1.70.0000.00717.38
8.1.60.0030.00617.43
8.1.50.0040.00417.40
8.1.40.0040.00417.51
8.1.30.0000.00717.46
8.1.20.0000.00917.49
8.1.10.0040.00417.52
8.1.00.0000.00817.40
8.0.300.0000.00819.98
8.0.290.0000.00716.75
8.0.280.0080.00018.35
8.0.270.0000.00717.23
8.0.260.0030.00316.80
8.0.250.0000.00716.93
8.0.240.0050.00316.86
8.0.230.0000.00716.96
8.0.220.0070.00016.89
8.0.210.0070.00016.91
8.0.200.0050.00216.93
8.0.190.0070.00017.00
8.0.180.0000.00816.86
8.0.170.0000.00816.86
8.0.160.0020.00516.81
8.0.150.0050.00316.78
8.0.140.0030.00716.81
8.0.130.0000.00513.32
8.0.120.0070.00016.86
8.0.110.0000.00716.86
8.0.100.0040.00416.75
8.0.90.0050.00316.72
8.0.80.0100.01016.78
8.0.70.0040.00416.82
8.0.60.0000.00716.86
8.0.50.0040.00416.80
8.0.30.0120.00817.02
8.0.20.0120.01017.40
8.0.10.0030.00316.89
8.0.00.0090.00916.70
7.4.330.0000.00514.78
7.4.320.0030.00316.33
7.4.300.0000.00616.33
7.4.290.0000.00716.39
7.4.280.0000.00716.43
7.4.270.0070.00016.52
7.4.260.0030.00313.19
7.4.250.0000.00716.50
7.4.240.0070.00016.41
7.4.230.0070.00016.53
7.4.220.0070.01816.52
7.4.210.0100.00816.53
7.4.200.0000.00716.32
7.4.190.0000.00716.58
7.4.160.0060.01016.28
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0120.00716.52
7.4.120.0120.00516.54
7.4.110.0070.01016.39
7.4.100.0150.00916.29
7.4.90.0120.00616.28
7.4.80.0060.01219.04
7.4.70.0080.00816.46
7.4.60.0060.01216.38
7.4.50.0000.00716.39
7.4.40.0000.01322.27
7.4.30.0040.01216.55
7.4.00.0070.00714.80
7.3.330.0000.00513.09
7.3.320.0020.00212.98
7.3.310.0000.00716.09
7.3.300.0030.00316.21
7.3.290.0070.00716.18
7.3.280.0130.00416.25
7.3.270.0130.00717.40
7.3.260.0120.00818.24
7.3.250.0140.00516.26
7.3.240.0160.00616.58
7.3.230.0060.01016.39
7.3.210.0100.00716.29
7.3.200.0060.01719.39
7.3.190.0060.00916.25
7.3.180.0070.01016.51
7.3.170.0090.01216.44
7.3.160.0090.01316.27
7.3.120.0060.00614.80
7.3.10.0000.01016.38
7.3.00.0080.00816.28
7.2.330.0180.00616.40
7.2.320.0090.00916.66
7.2.310.0210.00016.65
7.2.300.0110.00616.32
7.2.290.0100.00616.57
7.2.130.0040.00816.85
7.2.120.0070.00316.70
7.2.110.0080.00316.82
7.2.100.0030.00716.73
7.2.90.0110.00416.44
7.2.80.0030.00616.73
7.2.70.0000.00916.98
7.2.60.0060.00816.83
7.2.50.0040.01117.04
7.2.40.0060.00316.60
7.2.30.0060.01017.06
7.2.20.0070.00316.76
7.2.10.0100.00316.73
7.2.00.0040.01118.00
7.1.250.0060.00615.80
7.1.200.0100.00315.68
7.1.100.0000.01017.78
7.1.70.0080.00017.06
7.1.60.0030.01319.40
7.1.50.0070.01416.80
7.1.00.0030.06722.43
7.0.200.0050.00316.55
7.0.140.0070.07022.09
7.0.60.0100.07320.02
7.0.50.0000.04717.90
7.0.40.0030.04317.79
7.0.30.0130.07017.72
7.0.20.0070.08017.78
7.0.10.0130.07317.71
7.0.00.0030.08717.78
5.6.280.0070.07020.98
5.6.210.0070.08320.62
5.6.200.0030.07318.18
5.6.190.0030.07018.07
5.6.180.0000.04718.17
5.6.170.0070.08318.12
5.6.160.0000.06318.08
5.6.150.0030.05718.21
5.6.140.0070.08018.07
5.6.130.0100.08018.10
5.6.120.0030.05318.17
5.6.110.0030.04718.16
5.6.100.0170.07718.17
5.6.90.0070.07318.14
5.6.80.0000.08317.58
5.6.70.0030.04317.55
5.6.60.0100.07017.56
5.6.50.0000.08017.60
5.6.40.0070.04317.54
5.6.30.0030.06717.47
5.6.20.0130.07317.54
5.6.10.0030.07017.54
5.6.00.0100.06317.55
5.5.350.3970.04320.37
5.5.340.0100.05717.96
5.5.330.0000.05318.01
5.5.320.0070.08317.98
5.5.310.0100.08317.92
5.5.300.0070.07017.92
5.5.290.0200.06317.89
5.5.280.0170.07017.84
5.5.270.0000.04318.01
5.5.260.0030.04317.88
5.5.250.0070.04317.82
5.5.240.0070.06317.29
5.5.230.0070.07717.29
5.5.220.0000.08717.29
5.5.210.0000.05717.28
5.5.200.0070.08317.34
5.5.190.0130.05317.34
5.5.180.0100.06717.24
5.5.160.0100.03717.33
5.5.150.0030.04017.27
5.5.140.0070.03717.33
5.5.130.0070.07717.30
5.5.120.0070.05717.31
5.5.110.0100.05317.25
5.5.100.0100.03017.28
5.5.90.0170.04717.18
5.5.80.0000.08717.13
5.5.70.0070.07317.23
5.5.60.0000.08717.25
5.5.50.0070.06317.12
5.5.40.0000.04317.13
5.5.30.0070.04317.21
5.5.20.0030.05017.21
5.5.10.0070.08017.18
5.5.00.0130.07317.11
5.4.450.0030.06319.29
5.4.440.0100.07319.32
5.4.430.0070.07719.35
5.4.420.0030.04019.21
5.4.410.0000.07319.18
5.4.400.0030.04719.21
5.4.390.0030.04319.05
5.4.380.0130.06318.97
5.4.370.0100.07719.12
5.4.360.0130.07019.01
5.4.350.0000.08319.20
5.4.340.0070.07718.98
5.4.320.0070.03719.09
5.4.310.0030.06319.12
5.4.300.0070.03719.03
5.4.290.0070.03718.99
5.4.280.0100.07319.03
5.4.270.0070.07718.98
5.4.260.0100.05319.12
5.4.250.0100.06318.97
5.4.240.0030.08319.11
5.4.230.0030.05718.89
5.4.220.0030.08018.89
5.4.210.0100.07318.82
5.4.200.0200.06019.07
5.4.190.0070.04318.96
5.4.180.0130.03718.98
5.4.170.0070.08018.95
5.4.160.0070.08019.04
5.4.150.0070.08019.11
5.4.140.0000.06016.27
5.4.130.0030.07716.26
5.4.120.0000.07716.28
5.4.110.0070.07316.38
5.4.100.0070.06016.33
5.4.90.0070.07016.17
5.4.80.0030.07316.50
5.4.70.0130.06316.24
5.4.60.0130.05716.27
5.4.50.0070.07016.33
5.4.40.0100.07016.47
5.4.30.0030.07716.14
5.4.20.0070.07016.14
5.4.10.0100.03016.22
5.4.00.0030.03715.82
5.3.290.0070.04014.58
5.3.280.0130.07314.51
5.3.270.0070.04714.57
5.3.260.0170.07014.68
5.3.250.0070.05714.52
5.3.240.0000.05314.56
5.3.230.0030.04014.56
5.3.220.0100.07014.50
5.3.210.0170.08014.53
5.3.200.0070.06714.53
5.3.190.0100.05714.49
5.3.180.0100.07714.55
5.3.170.0100.05314.39
5.3.160.0170.06314.51
5.3.150.0070.06014.51
5.3.140.0100.07714.48
5.3.130.0130.04714.37
5.3.120.0100.08014.51
5.3.110.0030.04014.54
5.3.100.0070.04713.80
5.3.90.0030.05313.84
5.3.80.0070.07313.95
5.3.70.0100.07013.93
5.3.60.0030.05013.91
5.3.50.0070.04313.91
5.3.40.0070.04313.91
5.3.30.0030.03713.84
5.3.20.0100.05313.66
5.3.10.0070.04713.61
5.3.00.0030.05713.54
5.2.170.0070.04710.98
5.2.160.0070.06311.11
5.2.150.0030.03011.11
5.2.140.0000.03311.13
5.2.130.0000.03311.09
5.2.120.0030.03011.13
5.2.110.0070.03011.07
5.2.100.0000.05711.08
5.2.90.0130.04710.99
5.2.80.0070.03011.04
5.2.70.0030.03711.08
5.2.60.0200.05011.02
5.2.50.0000.06710.95
5.2.40.0070.03710.96
5.2.30.0070.05010.76
5.2.20.0000.03711.09
5.2.10.0070.04710.89
5.2.00.0000.06010.77
5.1.60.0100.05010.03
5.1.50.0070.05310.05
5.1.40.0130.0439.94
5.1.30.0030.03010.34
5.1.20.0030.02710.33
5.1.10.0100.04710.07
5.1.00.0030.03710.05
5.0.50.0070.0478.66
5.0.40.0000.0308.66
5.0.30.0000.0338.66
5.0.20.0000.0238.66
5.0.10.0000.0478.66
5.0.00.0070.0508.66
4.4.90.0000.0378.66
4.4.80.0030.0338.66
4.4.70.0030.0378.66
4.4.60.0070.0238.66
4.4.50.0030.0378.66
4.4.40.0000.0578.66
4.4.30.0030.0338.66
4.4.20.0030.0138.66
4.4.10.0030.0338.66
4.4.00.0030.0408.66
4.3.110.0030.0208.66
4.3.100.0030.0138.66
4.3.90.0030.0338.66
4.3.80.0030.0378.66
4.3.70.0030.0208.66
4.3.60.0000.0308.66
4.3.50.0000.0308.66
4.3.40.0070.0508.66
4.3.30.0000.0278.66
4.3.20.0000.0238.66
4.3.10.0000.0378.66
4.3.00.0000.0378.66

preferences:
45.65 ms | 400 KiB | 5 Q