3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $packed = "hoge\0\0" var_dump($packed = pack('a6', '')); // PHP 5.4 $data = "hoge" // PHP 5.5 $data = "hoge\0\0" var_dump($data = unpack('a6', $packed)); // PHP 5.5 $data = "hoge" var_dump($data = unpack('Z6', $packed));

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)
8.3.60.0120.00918.31
8.3.50.0090.01222.03
8.3.40.0000.01518.67
8.3.30.0040.01118.92
8.3.20.0040.00420.21
8.3.10.0030.00520.39
8.3.00.0000.00819.38
8.2.180.0070.01016.63
8.2.170.0100.00722.96
8.2.160.0090.00920.47
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00022.10
8.2.110.0100.00022.03
8.2.100.0090.00317.59
8.2.90.0040.00419.05
8.2.80.0000.00917.97
8.2.70.0000.00917.50
8.2.60.0000.00917.93
8.2.50.0060.00618.07
8.2.40.0030.00518.03
8.2.30.0000.00719.36
8.2.20.0040.00417.55
8.2.10.0000.00817.97
8.2.00.0040.00417.61
8.1.280.0070.01025.92
8.1.270.0000.00822.09
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0050.00523.79
8.1.230.0120.00019.22
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0050.00317.22
8.1.180.0030.00618.10
8.1.170.0060.00618.48
8.1.160.0070.00021.86
8.1.150.0040.00418.80
8.1.140.0030.00617.38
8.1.130.0000.00717.82
8.1.120.0030.00517.35
8.1.110.0030.00317.37
8.1.100.0030.00517.38
8.1.90.0040.00417.32
8.1.80.0050.00317.29
8.1.70.0020.00517.34
8.1.60.0030.00617.47
8.1.50.0040.00417.41
8.1.40.0040.00417.39
8.1.30.0000.00817.40
8.1.20.0030.00617.60
8.1.10.0000.00817.43
8.1.00.0040.00417.34
8.0.300.0030.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.38
8.0.270.0040.00417.23
8.0.260.0000.00717.21
8.0.250.0030.00316.76
8.0.240.0050.00316.93
8.0.230.0000.00716.92
8.0.220.0000.00716.86
8.0.210.0000.00716.73
8.0.200.0000.00716.77
8.0.190.0090.00016.75
8.0.180.0030.00316.84
8.0.170.0000.00816.84
8.0.160.0040.00416.69
8.0.150.0040.00416.75
8.0.140.0080.00416.67
8.0.130.0000.00513.22
8.0.120.0070.00016.69
8.0.110.0000.00716.83
8.0.100.0040.00416.86
8.0.90.0070.00016.79
8.0.80.0040.01116.77
8.0.70.0000.00716.71
8.0.60.0070.00016.79
8.0.50.0040.00416.61
8.0.30.0110.01116.87
8.0.20.0130.01217.40
8.0.10.0040.00417.00
8.0.00.0050.01616.63
7.4.330.0000.00715.00
7.4.320.0000.00616.57
7.4.300.0060.00016.33
7.4.290.0050.00216.45
7.4.280.0000.00716.53
7.4.270.0000.00716.45
7.4.260.0070.00016.35
7.4.250.0000.00716.42
7.4.240.0040.00316.38
7.4.230.0020.00516.55
7.4.220.0150.00316.52
7.4.210.0040.00816.59
7.4.200.0040.00416.42
7.4.160.0060.00916.31
7.4.150.0110.00717.40
7.4.140.0090.00917.86
7.4.130.0110.00716.40
7.4.120.0120.00416.40
7.4.110.0090.00916.46
7.4.100.0080.00816.45
7.4.90.0070.01016.41
7.4.80.0070.01416.40
7.4.70.0100.00716.32
7.4.60.0060.00916.49
7.4.50.0000.00816.59
7.4.40.0060.01516.46
7.4.30.0000.01716.61
7.4.00.0040.00914.93
7.3.330.0000.00612.93
7.3.320.0000.00613.13
7.3.310.0030.00316.07
7.3.300.0000.00716.12
7.3.290.0140.00016.17
7.3.280.0080.01316.14
7.3.270.0140.00317.40
7.3.260.0100.00716.32
7.3.250.0170.00316.32
7.3.240.0140.01016.12
7.3.230.0130.00416.39
7.3.210.0110.00616.28
7.3.200.0110.01419.39
7.3.190.0070.01616.34
7.3.180.0130.00316.13
7.3.170.0160.00016.27
7.3.160.0090.01016.18
7.2.330.0110.00716.31
7.2.320.0100.01316.41
7.2.310.0200.00316.14
7.2.300.0120.00416.29
7.2.290.0000.01516.53
7.2.00.0000.01219.38
7.1.100.0110.00418.15
7.1.70.0040.00416.81
7.1.60.0060.00919.32
7.1.50.0060.01316.80
7.1.00.0030.07722.40
7.0.200.0030.00516.63
7.0.140.0030.07322.11
7.0.60.0030.06320.07
7.0.50.0030.08317.84
7.0.40.0170.07720.25
7.0.30.0300.06320.16
7.0.20.0270.08320.16
7.0.10.0170.07020.33
7.0.00.0030.04320.16
5.6.280.0000.07720.78
5.6.210.0100.08320.64
5.6.200.0070.08018.19
5.6.190.0070.07320.27
5.6.180.0430.06320.77
5.6.170.0270.07020.54
5.6.160.0170.08320.38
5.6.150.0170.07318.13
5.6.140.0100.03718.11
5.6.130.0100.05018.11
5.6.120.0070.09020.73
5.6.110.0100.07021.00
5.6.100.0100.05321.01
5.6.90.0000.05321.06
5.6.80.0030.08020.32
5.5.350.0170.05020.39
5.5.340.0130.05317.95
5.5.330.0070.06020.40
5.5.320.0300.05320.35
5.5.310.0170.08020.20
5.5.300.0070.04717.91
5.5.290.0100.07717.95
5.5.280.0070.08020.86
5.5.270.0070.03720.82
5.5.260.0130.04020.79
5.5.250.0000.08720.46
5.5.240.0100.04320.22
5.4.450.0530.03719.45
5.4.440.0300.03719.45
5.4.430.0070.04319.45
5.4.420.0200.04719.45
5.4.410.0700.02719.45
5.4.400.0470.03719.45
5.4.390.0200.05019.45
5.4.380.0330.06318.77
5.4.370.0370.04718.50
5.4.360.0470.07018.55
5.4.350.0300.05718.70
5.4.340.0400.06718.72
5.4.320.0090.03212.45
5.4.310.0060.03712.45
5.4.300.0030.03912.45
5.4.290.0030.04012.45
5.4.280.0060.03512.35
5.4.270.0090.03312.35
5.4.260.0050.03812.34
5.4.250.0060.03712.35
5.4.240.0070.03512.35
5.4.230.0100.03412.34
5.4.220.0060.03712.34
5.4.210.0060.03412.34
5.4.200.0070.03712.34
5.4.190.0050.03612.33
5.4.180.0090.03612.34
5.4.170.0040.04312.35
5.4.160.0070.03612.34
5.4.150.0040.03712.34
5.4.140.0070.03612.02
5.4.130.0030.03812.01
5.4.120.0080.03211.97
5.4.110.0050.03611.96
5.4.100.0090.03211.96
5.4.90.0030.03911.96
5.4.80.0050.03711.96
5.4.70.0020.03811.96
5.4.60.0050.03511.96
5.4.50.0050.04111.96
5.4.40.0040.03711.95
5.4.30.0060.03511.95
5.4.20.0060.03411.95
5.4.10.0060.03511.95
5.4.00.0050.03611.43
5.3.290.0030.04212.80
5.3.280.0040.04212.71
5.3.270.0050.03912.73
5.3.260.0040.04212.72
5.3.250.0050.03712.72
5.3.240.0030.03812.72
5.3.230.0080.03612.71
5.3.220.0080.03412.68
5.3.210.0100.03512.68
5.3.200.0050.03912.68
5.3.190.0040.03912.68
5.3.180.0070.03512.68
5.3.170.0050.05312.66
5.3.160.0050.03712.67
5.3.150.0030.03912.67
5.3.140.0060.03612.66
5.3.130.0050.03912.65
5.3.120.0030.04112.66
5.3.110.0080.03612.65
5.3.100.0060.03712.12
5.3.90.0020.03912.08
5.3.80.0050.03712.08
5.3.70.0030.03912.07
5.3.60.0060.03612.06
5.3.50.0070.03512.00
5.3.40.0050.03712.00
5.3.30.0060.03511.95
5.3.20.0050.03611.72
5.3.10.0050.03511.69
5.3.00.0030.03911.68
5.2.170.0010.0349.17
5.2.160.0030.0309.18
5.2.150.0070.0279.18
5.2.140.0030.0319.18
5.2.130.0070.0269.13
5.2.120.0020.0309.14
5.2.110.0030.0309.14
5.2.100.0040.0289.14
5.2.90.0050.0289.14
5.2.80.0050.0329.13
5.2.70.0040.0309.14
5.2.60.0050.0309.09
5.2.50.0020.0329.05
5.2.40.0050.0299.03
5.2.30.0040.0309.01
5.2.20.0030.0309.00
5.2.10.0030.0298.93
5.2.00.0070.0268.79
5.1.60.0040.0238.07
5.1.50.0040.0248.07
5.1.40.0020.0268.05
5.1.30.0030.0278.41
5.1.20.0030.0278.42
5.1.10.0060.0238.15
5.1.00.0060.0238.15
5.0.50.0040.0196.63
5.0.40.0020.0206.48
5.0.30.0010.0336.30
5.0.20.0040.0186.27
5.0.10.0020.0216.25
5.0.00.0030.0306.24
4.4.90.0060.0124.78
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0020.0254.70
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0010.0174.85
4.4.00.0040.0234.75
4.3.110.0030.0154.67
4.3.100.0030.0154.66
4.3.90.0010.0164.63
4.3.80.0040.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0010.0173.29
4.3.20.0020.0163.27
4.3.10.0000.0173.23
4.3.00.0000.02019.45

preferences:
51.37 ms | 401 KiB | 5 Q