3v4l.org

run code in 300+ PHP versions simultaneously
<?php $packed = pack('a6', 'ji'); // PHP 5.4 $data = "hoge" // PHP 5.5 $data = "hoge\0\0" var_dump($data = unpack('a1b/a1c', $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)
8.3.60.0140.00018.55
8.3.50.0110.01121.86
8.3.40.0090.00618.75
8.3.30.0030.01218.78
8.3.20.0000.00820.30
8.3.10.0040.00420.41
8.3.00.0050.00319.26
8.2.180.0140.00016.38
8.2.170.0140.00322.96
8.2.160.0130.00620.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.19
8.2.110.0040.00422.25
8.2.100.0030.00917.59
8.2.90.0040.00418.94
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0050.00317.68
8.2.50.0030.00618.07
8.2.40.0060.00318.03
8.2.30.0020.00519.43
8.2.20.0000.00817.52
8.2.10.0040.00417.99
8.2.00.0000.00817.52
8.1.280.0140.00425.92
8.1.270.0030.00522.05
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.83
8.1.230.0070.00419.10
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00816.99
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0050.00518.43
8.1.160.0020.00521.81
8.1.150.0000.00718.72
8.1.140.0000.00717.29
8.1.130.0030.00317.82
8.1.120.0000.00717.30
8.1.110.0060.00317.27
8.1.100.0070.00017.45
8.1.90.0040.00417.39
8.1.80.0040.00417.39
8.1.70.0030.00317.34
8.1.60.0060.00317.54
8.1.50.0000.00817.44
8.1.40.0040.00417.45
8.1.30.0030.00617.52
8.1.20.0040.00417.48
8.1.10.0050.00217.38
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0000.00718.37
8.0.270.0040.00417.17
8.0.260.0080.00017.18
8.0.250.0040.00416.80
8.0.240.0000.00816.75
8.0.230.0070.00016.91
8.0.220.0050.00216.86
8.0.210.0030.00316.72
8.0.200.0040.00416.77
8.0.190.0000.00716.82
8.0.180.0000.00716.74
8.0.170.0000.00716.88
8.0.160.0070.00016.93
8.0.150.0070.00016.76
8.0.140.0090.00016.76
8.0.130.0030.00313.24
8.0.120.0050.00316.84
8.0.110.0000.00716.88
8.0.100.0020.00516.81
8.0.90.0000.00716.68
8.0.80.0160.00716.73
8.0.70.0050.00316.69
8.0.60.0070.00016.79
8.0.50.0040.00416.75
8.0.30.0080.01117.13
8.0.20.0140.00917.40
8.0.10.0030.00416.89
8.0.00.0090.00816.84
7.4.330.0000.00615.00
7.4.320.0030.00316.44
7.4.300.0030.00316.57
7.4.290.0000.00716.56
7.4.280.0040.00416.56
7.4.270.0000.00716.45
7.4.260.0070.00016.44
7.4.250.0070.00016.41
7.4.240.0060.00216.53
7.4.230.0040.00216.41
7.4.220.0090.00916.46
7.4.210.0120.00316.46
7.4.200.0030.00316.43
7.4.160.0070.01116.44
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0100.01316.38
7.4.120.0110.00716.45
7.4.110.0130.01016.41
7.4.100.0060.01016.38
7.4.90.0180.00416.51
7.4.80.0100.01316.37
7.4.70.0090.00916.63
7.4.60.0100.00616.32
7.4.50.0030.00516.35
7.4.40.0030.01316.41
7.4.30.0080.00816.38
7.4.00.0090.00714.81
7.3.330.0050.00012.94
7.3.320.0020.00212.98
7.3.310.0070.00015.98
7.3.300.0060.00016.15
7.3.290.0040.01116.16
7.3.280.0090.00716.12
7.3.270.0090.00917.40
7.3.260.0070.01716.18
7.3.250.0070.01216.42
7.3.240.0120.00916.31
7.3.230.0090.00916.39
7.3.210.0110.00516.32
7.3.200.0170.00919.39
7.3.190.0100.00716.51
7.3.180.0080.00816.32
7.3.170.0100.01016.27
7.3.160.0190.00416.27
7.3.120.0150.00314.86
7.3.110.0100.00714.69
7.3.100.0070.00414.92
7.3.90.0070.01014.65
7.3.80.0070.00715.08
7.3.70.0060.00314.36
7.3.60.0070.01014.42
7.3.50.0070.00714.55
7.3.40.0030.01014.78
7.3.30.0030.01014.71
7.3.20.0030.01416.50
7.3.10.0090.00616.56
7.3.00.0060.00616.50
7.2.330.0120.00616.26
7.2.320.0030.01616.36
7.2.310.0130.00916.54
7.2.300.0130.00416.62
7.2.290.0090.00616.46
7.2.250.0110.00814.78
7.2.240.0060.01314.65
7.2.230.0030.01014.92
7.2.220.0030.01415.11
7.2.210.0040.01114.77
7.2.200.0000.01014.82
7.2.190.0040.00814.83
7.2.180.0000.01514.71
7.2.170.0110.00414.46
7.2.00.0030.00919.11
7.1.330.0130.00315.59
7.1.320.0000.01415.67
7.1.310.0060.01015.81
7.1.300.0070.00315.68
7.1.290.0070.00715.46
7.1.280.0060.00915.92
7.1.270.0060.00915.68
7.1.260.0060.00315.48
7.1.100.0060.00917.98
7.1.70.0000.00816.97
7.1.60.0080.00419.32
7.1.50.0030.01716.78
7.1.00.0070.07322.45
7.0.200.0090.00016.78
7.0.140.0100.06722.10
7.0.60.0000.06319.91
7.0.50.0070.08017.79
7.0.40.0070.04020.20
7.0.30.0200.04720.18
7.0.20.0200.04020.00
7.0.10.0070.08720.01
7.0.00.0070.04020.19
5.6.210.0170.06320.53
5.6.200.0070.04018.19
5.6.190.0130.08020.56
5.6.180.0530.07020.60
5.6.170.0200.04320.41
5.6.160.0170.06320.40
5.6.150.0030.08018.12
5.6.140.0030.04018.11
5.6.130.0030.05018.07
5.6.120.0200.07020.77
5.6.110.0130.07021.13
5.6.100.0070.08320.97
5.6.90.0070.06020.96
5.6.80.0100.07720.39
5.5.350.0100.08720.28
5.5.340.0070.08018.00
5.5.330.0030.07320.23
5.5.320.0370.02720.34
5.5.310.0200.04020.15
5.5.300.0100.08017.97
5.5.290.0130.07317.99
5.5.280.0200.07020.83
5.5.270.0030.09720.65
5.5.260.0070.08020.63
5.5.250.0030.08320.54
5.5.240.0100.04320.25
5.4.450.0430.03719.45
5.4.440.0530.03719.45
5.4.430.0500.04319.45
5.4.420.0830.04719.45
5.4.410.0770.03319.45
5.4.400.0570.04319.45
5.4.390.0300.03719.45
5.4.380.0430.06718.53
5.4.370.0370.06718.56
5.4.360.0470.05018.66
5.4.350.0400.08018.65
5.4.340.0330.05018.72
5.4.320.0070.04312.45
5.4.310.0060.03812.45
5.4.300.0060.03912.45
5.4.290.0060.03712.45
5.4.280.0050.03712.35
5.4.270.0090.03612.34
5.4.260.0070.04412.35
5.4.250.0040.04012.35
5.4.240.0080.03412.35
5.4.230.0040.04012.34
5.4.220.0070.04312.34
5.4.210.0070.03712.34
5.4.200.0070.04212.34
5.4.190.0050.03712.34
5.4.180.0040.03712.33
5.4.170.0070.03812.34
5.4.160.0080.03312.34
5.4.150.0040.03712.34
5.4.140.0030.04012.02
5.4.130.0020.03912.01
5.4.120.0090.03111.97
5.4.110.0070.03611.96
5.4.100.0070.04011.96
5.4.90.0030.03811.96
5.4.80.0080.03411.96
5.4.70.0030.03711.96
5.4.60.0080.03611.96
5.4.50.0070.03911.96
5.4.40.0070.03811.95
5.4.30.0060.04011.95
5.4.20.0050.03611.95
5.4.10.0030.03611.95
5.4.00.0100.04211.43
5.3.290.0040.04012.80
5.3.280.0080.03412.70
5.3.270.0070.04612.73
5.3.260.0060.04212.72
5.3.250.0040.03812.71
5.3.240.0050.03712.72
5.3.230.0050.03812.71
5.3.220.0040.03812.68
5.3.210.0040.04012.68
5.3.200.0060.03612.68
5.3.190.0090.03412.68
5.3.180.0050.03612.67
5.3.170.0070.03412.66
5.3.160.0060.03512.67
5.3.150.0080.04112.67
5.3.140.0100.04212.66
5.3.130.0070.03712.66
5.3.120.0070.03712.66
5.3.110.0060.04612.66
5.3.100.0080.03612.12
5.3.90.0060.03812.08
5.3.80.0070.03712.07
5.3.70.0060.03512.08
5.3.60.0080.03312.07
5.3.50.0060.03612.00
5.3.40.0090.03312.00
5.3.30.0070.03411.94
5.3.20.0100.02911.72
5.3.10.0070.03311.69
5.3.00.0030.03911.68
5.2.170.0080.0269.18
5.2.160.0070.0299.18
5.2.150.0050.0379.18
5.2.140.0020.0329.17
5.2.130.0030.0319.13
5.2.120.0050.0289.13
5.2.110.0060.0299.14
5.2.100.0020.0379.13
5.2.90.0040.0299.14
5.2.80.0060.0289.14
5.2.70.0050.0299.14
5.2.60.0040.0349.09
5.2.50.0060.0359.05
5.2.40.0050.0279.04
5.2.30.0030.0309.01
5.2.20.0080.0319.00
5.2.10.0040.0288.93
5.2.00.0070.0338.79
5.1.60.0040.0318.07
5.1.50.0030.0308.07
5.1.40.0030.0308.05
5.1.30.0060.0318.40
5.1.20.0040.0318.43
5.1.10.0060.0278.14
5.1.00.0040.0268.15
5.0.50.0000.0246.63
5.0.40.0070.0236.48
5.0.30.0040.0316.29
5.0.20.0050.0186.27
5.0.10.0050.0196.25
5.0.00.0030.0316.24
4.4.90.0010.0174.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0020.0324.71
4.4.30.0010.0204.76
4.4.20.0070.0174.84
4.4.10.0020.0194.85
4.4.00.0030.0264.76
4.3.110.0050.0194.67
4.3.100.0020.0154.66
4.3.90.0010.0214.64
4.3.80.0060.0274.59
4.3.70.0020.0154.63
4.3.60.0040.0214.63
4.3.50.0030.0154.63
4.3.40.0040.0224.54
4.3.30.0010.0163.29
4.3.20.0000.0183.27
4.3.10.0020.0153.23
4.3.00.0130.02019.45

preferences:
36.29 ms | 400 KiB | 5 Q