3v4l.org

run code in 300+ PHP versions simultaneously
<?php $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { $val = $i*$step; $short = base64_encode(pack('S', $val)); $str = base64_encode(strval($val)); echo "$short $string $val \n";}

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)
8.3.60.0170.00316.63
8.3.50.0100.00722.90
8.3.40.0120.00318.92
8.3.30.0100.00318.96
8.3.20.0040.00420.20
8.3.10.0040.00421.77
8.3.00.0040.00417.50
8.2.180.0070.00716.63
8.2.170.0110.00322.96
8.2.160.0070.00720.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00321.10
8.2.110.0070.00322.08
8.2.100.0080.00320.40
8.2.90.0080.00018.28
8.2.80.0060.00317.97
8.2.70.0000.00917.93
8.2.60.0000.00817.93
8.2.50.0040.00418.10
8.2.40.0000.00818.16
8.2.30.0000.00717.96
8.2.20.0080.00017.77
8.2.10.0040.00418.11
8.2.00.0000.00817.66
8.1.280.0140.00425.92
8.1.270.0040.00423.77
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.97
8.1.230.0070.01118.91
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0030.00518.41
8.1.160.0000.00821.85
8.1.150.0000.00718.85
8.1.140.0050.00317.34
8.1.130.0040.00417.78
8.1.120.0000.00717.39
8.1.110.0030.00517.45
8.1.100.0040.00317.43
8.1.90.0000.00717.35
8.1.80.0000.00717.34
8.1.70.0060.00317.31
8.1.60.0000.01117.39
8.1.50.0060.00317.53
8.1.40.0030.00617.47
8.1.30.0040.00417.57
8.1.20.0040.00417.54
8.1.10.0000.00717.54
8.1.00.0060.00317.41
8.0.300.0070.00019.73
8.0.290.0000.00816.75
8.0.280.0000.00718.43
8.0.270.0030.00617.12
8.0.260.0030.00318.43
8.0.250.0030.00317.02
8.0.240.0030.00317.02
8.0.230.0000.00716.89
8.0.220.0000.00716.95
8.0.210.0070.00016.96
8.0.200.0000.00717.00
8.0.190.0050.00216.91
8.0.180.0000.00816.95
8.0.170.0030.00616.89
8.0.160.0000.00716.89
8.0.150.0070.00016.86
8.0.140.0040.00416.85
8.0.130.0000.00613.31
8.0.120.0070.00016.95
8.0.110.0000.00916.84
8.0.100.0040.00416.80
8.0.90.0040.00416.89
8.0.80.0030.01416.95
8.0.70.0040.00416.77
8.0.60.0040.00416.93
8.0.50.0000.00716.78
8.0.30.0170.00717.06
8.0.20.0090.01017.40
8.0.10.0040.00416.95
8.0.00.0070.01116.96
7.4.330.0000.00515.08
7.4.320.0000.00616.47
7.4.300.0040.00416.61
7.4.290.0070.00016.58
7.4.280.0000.00816.48
7.4.270.0040.00416.58
7.4.260.0070.00016.43
7.4.250.0040.00416.60
7.4.240.0040.00416.48
7.4.230.0000.00716.68
7.4.220.0030.01616.41
7.4.210.0180.00316.42
7.4.200.0070.00016.37
7.4.160.0060.00916.48
7.4.150.0070.01217.40
7.4.140.0100.01217.86
7.4.130.0110.00616.53
7.4.120.0110.00716.49
7.4.110.0070.01016.55
7.4.100.0080.01116.48
7.4.90.0100.01016.43
7.4.80.0100.01019.39
7.4.70.0170.00016.47
7.4.60.0060.01216.57
7.4.50.0040.00416.44
7.4.40.0100.00716.60
7.4.30.0070.01116.59
7.4.00.0050.01115.04
7.3.330.0000.00513.27
7.3.320.0020.00213.24
7.3.310.0000.00716.34
7.3.300.0040.00416.41
7.3.290.0070.01316.38
7.3.280.0090.00616.42
7.3.270.0200.00617.40
7.3.260.0140.01016.46
7.3.250.0110.01016.31
7.3.240.0100.00716.56
7.3.230.0080.00816.41
7.3.210.0120.00616.59
7.3.200.0050.01319.39
7.3.190.0070.01016.63
7.3.180.0090.00916.39
7.3.170.0080.00816.34
7.3.160.0030.01316.44
7.3.120.0030.01515.04
7.3.110.0070.01014.89
7.3.100.0120.00315.00
7.3.90.0040.01114.98
7.3.80.0000.01714.85
7.3.70.0110.00414.66
7.3.60.0130.00314.91
7.3.50.0140.00014.65
7.3.40.0090.00914.71
7.3.30.0110.00414.69
7.3.20.0040.01416.79
7.3.10.0030.00716.38
7.3.00.0060.00916.71
7.2.330.0120.00816.68
7.2.320.0030.01316.63
7.2.310.0080.00816.54
7.2.300.0120.00316.49
7.2.290.0100.00716.58
7.2.250.0040.01514.90
7.2.240.0070.01315.01
7.2.230.0090.00614.91
7.2.220.0060.01014.96
7.2.210.0100.00714.76
7.2.200.0100.00715.00
7.2.190.0060.00615.13
7.2.180.0030.01414.85
7.2.170.0040.01115.01
7.2.60.0120.00616.31
7.2.00.0000.01219.22
7.1.330.0070.00715.77
7.1.320.0040.00716.00
7.1.310.0100.00715.96
7.1.300.0000.01216.00
7.1.290.0070.00715.91
7.1.280.0060.00815.82
7.1.270.0000.01115.61
7.1.260.0000.01315.62
7.1.200.0060.00616.01
7.1.100.0060.00317.84
7.1.70.0040.00417.28
7.1.60.0090.01219.40
7.1.50.0100.01317.02
7.1.00.0000.08022.31
7.0.200.0000.00816.76
7.0.140.0000.07721.99
7.0.60.0070.08719.94
7.0.50.0100.03717.89
7.0.40.0100.06020.09
7.0.30.0470.06320.01
7.0.20.0300.04720.09
7.0.10.0070.05020.18
7.0.00.0000.05020.15
5.6.210.0070.04720.46
5.6.200.0130.08018.16
5.6.190.0100.05320.61
5.6.180.3630.04720.57
5.6.170.0400.07320.38
5.6.160.0130.05020.45
5.6.150.0070.08018.18
5.6.140.0070.05318.14
5.6.130.0070.06318.16
5.6.120.0230.05721.03
5.6.110.0100.03720.97
5.6.100.0070.07020.99
5.6.90.0000.08021.13
5.6.80.0130.06720.40
5.6.70.0230.07320.37
5.5.350.0330.07320.42
5.5.340.0030.08318.04
5.5.330.0130.07020.36
5.5.320.0330.04020.30
5.5.310.0230.04020.29
5.5.300.0130.06018.02
5.5.290.0100.07017.90
5.5.280.0000.04720.88
5.5.270.0100.08020.88
5.5.260.0030.08320.73
5.5.250.0100.07720.49
5.5.240.3730.03720.32
5.4.450.0870.05319.25
5.4.440.0570.05719.25
5.4.430.0700.05319.21
5.4.420.0630.05719.65
5.4.410.0870.05019.09
5.4.400.0670.05319.01
5.4.390.0770.05018.89
5.4.380.0100.05018.72
5.4.370.0200.04718.49
5.4.360.0070.04318.66
5.4.350.0080.04211.98
5.4.340.0120.05011.97
5.4.320.0060.04312.46
5.4.310.0070.03812.45
5.4.300.0040.03812.46
5.4.290.0060.03912.45
5.4.280.0080.03412.35
5.4.270.0050.03712.35
5.4.260.0060.03712.35
5.4.250.0070.03712.35
5.4.240.0090.03312.35
5.4.230.0040.03912.34
5.4.220.0060.03512.34
5.4.210.0060.03512.34
5.4.200.0030.04012.34
5.4.190.0080.05012.34
5.4.180.0050.03812.34
5.4.170.0060.03612.35
5.4.160.0060.03612.34
5.4.150.0090.03212.34
5.4.140.0060.03612.03
5.4.130.0080.03412.02
5.4.120.0040.03611.97
5.4.110.0040.03711.96
5.4.100.0070.03411.96
5.4.90.0050.03811.96
5.4.80.0030.03911.96
5.4.70.0060.03511.96
5.4.60.0060.03511.96
5.4.50.0060.03611.96
5.4.40.0060.04211.95
5.4.30.0060.03611.95
5.4.20.0070.03711.95
5.4.10.0030.03811.95
5.4.00.0060.03611.44
5.3.290.0090.04012.80
5.3.280.0050.04012.71
5.3.270.0070.03812.73
5.3.260.0060.03912.72
5.3.250.0080.03712.72
5.3.240.0050.03912.71
5.3.230.0050.05312.71
5.3.220.0110.05012.68
5.3.210.0040.05712.68
5.3.200.0080.03612.68
5.3.190.0060.04112.68
5.3.180.0100.05012.67
5.3.170.0080.05112.67
5.3.160.0080.05212.68
5.3.150.0040.04212.67
5.3.140.0090.03512.66
5.3.130.0060.04312.66
5.3.120.0060.03912.66
5.3.110.0070.03712.66
5.3.100.0090.04712.12
5.3.90.0080.03512.08
5.3.80.0100.04712.07
5.3.70.0090.03612.07
5.3.60.0060.04112.06
5.3.50.0040.03912.00
5.3.40.0090.04412.00
5.3.30.0080.05511.94
5.3.20.0080.03411.72
5.3.10.0090.04111.69
5.3.00.0080.04911.68
5.2.170.0050.0329.18
5.2.160.0060.0309.18
5.2.150.0090.0409.18
5.2.140.0030.0359.17
5.2.130.0070.0429.13
5.2.120.0070.0289.14
5.2.110.0070.0279.14
5.2.100.0030.0319.14
5.2.90.0050.0399.14
5.2.80.0050.0439.13
5.2.70.0050.0429.13
5.2.60.0040.0399.09
5.2.50.0090.0349.05
5.2.40.0050.0289.03
5.2.30.0050.0369.01
5.2.20.0100.0359.00
5.2.10.0040.0298.93
5.2.00.0030.0318.79
5.1.60.0060.0238.08
5.1.50.0060.0238.07
5.1.40.0050.0248.05
5.1.30.0050.0258.41
5.1.20.0040.0268.43
5.1.10.0060.0238.15
5.1.00.0040.0268.16
5.0.50.0030.0216.63
5.0.40.0010.0226.49
5.0.30.0000.0356.30
5.0.20.0050.0196.27
5.0.10.0040.0196.25
5.0.00.0020.0326.24
4.4.90.0000.0194.78
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0010.0174.75
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0010.0174.85
4.4.10.0040.0224.85
4.4.00.0030.0284.76
4.3.110.0030.0224.66
4.3.100.0030.0154.67
4.3.90.0020.0214.63
4.3.80.0040.0234.58
4.3.70.0010.0164.63
4.3.60.0060.0114.63
4.3.50.0040.0144.63
4.3.40.0040.0224.54
4.3.30.0020.0163.29
4.3.20.0010.0173.27
4.3.10.0020.0153.23
4.3.00.0100.0277.10

preferences:
46.62 ms | 401 KiB | 5 Q