3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo pack('H', 0x079888792F); function unhex($hex) { for($i=0;$i<strlen($hex);$i+=2) $str .= chr(hexdec(substr($hex,$i,2))); echo $str; } unhex('079888792F');

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)
8.3.60.0110.00418.31
8.3.50.0100.01021.99
8.3.40.0150.00018.68
8.3.30.0040.01118.96
8.3.20.0000.00820.06
8.3.10.0040.00420.27
8.3.00.0030.00619.38
8.2.180.0030.01218.16
8.2.170.0060.00922.96
8.2.160.0070.00722.09
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.18
8.2.110.0000.00922.24
8.2.100.0090.00317.97
8.2.90.0040.00417.88
8.2.80.0040.00418.05
8.2.70.0000.00918.05
8.2.60.0030.00619.11
8.2.50.0050.00319.35
8.2.40.0040.00420.42
8.2.30.0000.00718.15
8.2.20.0040.00417.68
8.2.10.0030.00517.93
8.2.00.0030.00717.61
8.1.280.0000.01425.92
8.1.270.0090.00020.53
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0100.00020.43
8.1.230.0070.00320.91
8.1.220.0060.00317.79
8.1.210.0080.00018.77
8.1.200.0000.00817.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00918.58
8.1.160.0000.00818.81
8.1.150.0040.00418.79
8.1.140.0040.00417.39
8.1.130.0030.00317.73
8.1.120.0070.00017.35
8.1.110.0030.00517.46
8.1.100.0050.00217.31
8.1.90.0030.00317.43
8.1.80.0000.00817.28
8.1.70.0070.00017.28
8.1.60.0030.00617.60
8.1.50.0030.00617.57
8.1.40.0070.00017.39
8.1.30.0000.00817.65
8.1.20.0000.00717.67
8.1.10.0040.00417.38
8.1.00.0040.00417.45
8.0.300.0040.00419.69
8.0.290.0030.00616.75
8.0.280.0040.00418.51
8.0.270.0000.00817.25
8.0.260.0070.00017.16
8.0.250.0030.00316.92
8.0.240.0080.00017.03
8.0.230.0000.00716.94
8.0.220.0040.00416.93
8.0.210.0040.00416.87
8.0.200.0030.00316.95
8.0.190.0000.00716.95
8.0.180.0070.00016.96
8.0.170.0000.00816.91
8.0.160.0030.00516.75
8.0.150.0000.00816.77
8.0.140.0050.00516.87
8.0.130.0030.00313.40
8.0.120.0030.00516.86
8.0.110.0000.00816.90
8.0.100.0040.00416.83
8.0.90.0000.00716.86
8.0.80.0000.01416.83
8.0.70.0050.00316.78
8.0.60.0000.00816.83
8.0.50.0060.00316.89
8.0.30.0100.01017.09
8.0.20.0050.01517.40
8.0.10.0000.00817.05
8.0.00.0000.01916.81
7.4.330.0050.00015.02
7.4.320.0060.00016.45
7.4.300.0060.00016.50
7.4.290.0070.00016.54
7.4.280.0030.00516.54
7.4.270.0060.00016.57
7.4.260.0000.00916.48
7.4.250.0000.00716.54
7.4.240.0040.00416.45
7.4.230.0000.00716.60
7.4.220.0070.01516.70
7.4.210.0100.00616.53
7.4.200.0070.00016.48
7.4.160.0120.01216.60
7.4.150.0150.00917.40
7.4.140.0130.00817.86
7.4.130.0080.01116.65
7.4.120.0100.01116.46
7.4.110.0100.01016.53
7.4.100.0120.00816.43
7.4.90.0100.01016.54
7.4.80.0160.00719.39
7.4.70.0060.01016.52
7.4.60.0100.00716.74
7.4.50.0040.00416.59
7.4.40.0150.00316.38
7.4.30.0080.00816.58
7.4.00.0050.01215.01
7.3.330.0050.00013.29
7.3.320.0030.00313.22
7.3.310.0070.00016.40
7.3.300.0030.00316.43
7.3.290.0070.00816.39
7.3.280.0090.00816.43
7.3.270.0040.01217.40
7.3.260.0040.01516.43
7.3.240.0080.00816.63
7.3.230.0140.00716.39
7.3.210.0080.00816.48
7.3.200.0070.01419.39
7.3.190.0180.00316.44
7.3.180.0030.01216.30
7.3.170.0120.01116.36
7.3.160.0110.00616.43
7.3.120.0100.01014.88
7.3.110.0030.01415.09
7.3.100.0030.01014.77
7.3.90.0060.00914.72
7.3.80.0030.01015.10
7.3.70.0100.00314.86
7.3.60.0060.01014.93
7.3.50.0030.00614.86
7.3.40.0110.00414.46
7.3.30.0030.00614.91
7.3.20.0030.01016.46
7.3.10.0030.01216.35
7.3.00.0040.00416.63
7.2.330.0140.00316.71
7.2.320.0100.00616.82
7.2.310.0080.00816.68
7.2.300.0060.01216.62
7.2.290.0140.00416.68
7.2.250.0060.01215.03
7.2.240.0100.01014.95
7.2.230.0070.00714.93
7.2.220.0030.01315.18
7.2.210.0030.01015.07
7.2.200.0080.00415.12
7.2.190.0100.00615.00
7.2.180.0050.00515.03
7.2.170.0040.01414.96
7.2.00.0110.00319.22
7.1.330.0070.00715.87
7.1.320.0060.01015.91
7.1.310.0030.00815.54
7.1.300.0040.00415.78
7.1.290.0060.00315.59
7.1.280.0070.00315.84
7.1.270.0060.00315.87
7.1.260.0090.00615.95
7.1.100.0060.01018.07
7.1.70.0060.00317.30
7.1.60.0060.01919.11
7.1.50.0120.00916.98
7.1.00.0070.07022.54
7.0.200.0000.01116.78
7.0.140.0030.07022.05
7.0.60.0030.08719.93
7.0.50.0130.08017.98
7.0.40.0030.08720.18
7.0.30.0300.07020.06
7.0.20.0200.05720.22
7.0.10.0170.07720.10
7.0.00.0100.06720.07
5.6.280.0030.07321.10
5.6.210.0030.08720.67
5.6.200.0000.04318.13
5.6.190.0030.04320.47
5.6.180.3900.04320.33
5.6.170.0330.06720.43
5.6.160.0070.05020.46
5.6.150.0100.06318.29
5.6.140.0070.06318.24
5.6.130.0030.09018.18
5.6.120.0030.09021.03
5.6.110.0100.04321.13
5.6.100.0100.07021.12
5.6.90.0000.08020.96
5.6.80.0070.07020.38
5.6.70.4270.04020.50
5.5.350.0300.07320.41
5.5.340.0000.07017.98
5.5.330.0030.05320.58
5.5.320.3300.03320.22
5.5.310.0100.05020.24
5.5.300.0070.07017.97
5.5.290.0030.08318.03
5.5.280.0070.04020.89
5.5.270.0030.04320.86
5.5.260.0070.08720.80
5.5.250.0130.08020.50
5.5.240.0300.05020.16
5.4.450.0870.05319.70
5.4.440.0600.07019.63
5.4.430.0600.05319.55
5.4.420.0070.05719.15
5.4.410.0200.04319.52
5.4.400.0330.06018.87
5.4.390.0330.07318.62
5.4.380.0200.06718.77
5.4.370.0270.06718.59
5.4.360.0230.06018.79
5.4.350.0080.03712.02
5.4.340.0060.03912.02
5.4.320.0050.04012.50
5.4.310.0040.04212.50
5.4.300.0090.04212.50
5.4.290.0090.03912.50
5.4.280.0050.03712.39
5.4.270.0070.03612.40
5.4.260.0060.04012.40
5.4.250.0080.03712.39
5.4.240.0050.03712.40
5.4.230.0050.04412.39
5.4.220.0090.03412.39
5.4.210.0070.03612.39
5.4.200.0090.04712.39
5.4.190.0060.03712.39
5.4.180.0080.03712.39
5.4.170.0070.03812.40
5.4.160.0100.03412.39
5.4.150.0090.03412.39
5.4.140.0100.03812.07
5.4.130.0060.03912.05
5.4.120.0080.03812.02
5.4.110.0120.05212.01
5.4.100.0150.07512.01
5.4.90.0110.04412.01
5.4.80.0080.03812.02
5.4.70.0070.03512.01
5.4.60.0020.04012.00
5.4.50.0070.03712.01
5.4.40.0070.04012.00
5.4.30.0100.04811.99
5.4.20.0100.04512.00
5.4.10.0110.04212.00
5.4.00.0060.04111.48
5.3.290.0070.03812.80
5.3.280.0060.04512.71
5.3.270.0100.03912.72
5.3.260.0090.03812.72
5.3.250.0090.04512.72
5.3.240.0060.03912.72
5.3.230.0130.03912.71
5.3.220.0080.04512.68
5.3.210.0090.04512.68
5.3.200.0080.03912.68
5.3.190.0050.04112.68
5.3.180.0060.03712.67
5.3.170.0110.03512.67
5.3.160.0060.04112.67
5.3.150.0060.04112.67
5.3.140.0100.03712.66
5.3.130.0030.04212.66
5.3.120.0080.04012.65
5.3.110.0100.04012.66
5.3.100.0040.04012.12
5.3.90.0050.03812.10
5.3.80.0070.03712.09
5.3.70.0070.04012.09
5.3.60.0090.03712.07
5.3.50.0120.03712.02
5.3.40.0060.04012.02
5.3.30.0040.03811.98
5.3.20.0080.03611.76
5.3.10.0070.06011.73
5.3.00.0100.07411.71
5.2.170.0100.0499.21
5.2.160.0120.0489.21
5.2.150.0150.0509.21
5.2.140.0120.0519.21
5.2.130.0070.0579.17
5.2.120.0100.0379.17
5.2.110.0070.0329.18
5.2.100.0080.0389.18
5.2.90.0090.0409.17
5.2.80.0080.0459.17
5.2.70.0070.0299.17
5.2.60.0050.0309.13
5.2.50.0040.0329.09
5.2.40.0070.0279.07
5.2.30.0080.0279.04
5.2.20.0040.0349.04
5.2.10.0040.0308.94
5.2.00.0080.0298.80
5.1.60.0030.0258.09
5.1.50.0060.0248.08
5.1.40.0060.0288.06
5.1.30.0070.0248.42
5.1.20.0020.0318.43
5.1.10.0060.0328.16
5.1.00.0080.0328.16
5.0.50.0030.0226.64
5.0.40.0040.0216.50
5.0.30.0050.0326.30
5.0.20.0040.0196.28
5.0.10.0030.0216.25
5.0.00.0050.0346.25
4.4.90.0040.0174.77
4.4.80.0070.0194.76
4.4.70.0060.0184.76
4.4.60.0020.0214.76
4.4.50.0030.0184.77
4.4.40.0060.0304.71
4.4.30.0030.0244.76
4.4.20.0040.0254.84
4.4.10.0050.0244.85
4.4.00.0050.0354.76
4.3.110.0020.0254.67
4.3.100.0070.0194.66
4.3.90.0060.0194.63
4.3.80.0070.0294.58
4.3.70.0040.0214.63
4.3.60.0050.0204.63
4.3.50.0050.0204.63
4.3.40.0030.0324.54
4.3.30.0020.0213.30
4.3.20.0030.0183.28
4.3.10.0020.0183.24
4.3.00.0200.0236.78

preferences:
33.44 ms | 401 KiB | 5 Q