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; $uint16 = base64_encode(pack('S', $val)); $uint32 = base64_encode(pack('N', $val)); $str = base64_encode(strval($val)); echo json_encode("$uint16 $uint32 $str $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)
8.3.60.0110.00716.50
8.3.50.0120.00322.91
8.3.40.0040.01118.75
8.3.30.0120.00318.75
8.3.20.0070.00020.04
8.3.10.0040.00421.85
8.3.00.0040.00419.26
8.2.180.0040.01116.75
8.2.170.0140.00022.96
8.2.160.0070.00720.53
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0070.00020.97
8.2.110.0060.00322.10
8.2.100.0040.00720.94
8.2.90.0040.00418.94
8.2.80.0090.00017.97
8.2.70.0080.00017.50
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0060.00318.22
8.2.30.0000.00818.14
8.2.20.0000.00717.79
8.2.10.0040.00418.04
8.2.00.0040.00417.82
8.1.280.0110.00725.92
8.1.270.0030.00623.79
8.1.260.0020.00526.35
8.1.250.0000.00728.09
8.1.240.0070.00423.79
8.1.230.0070.00419.01
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0050.00317.00
8.1.180.0000.00718.10
8.1.170.0040.00418.66
8.1.160.0040.00422.11
8.1.150.0040.00418.81
8.1.140.0020.00517.30
8.1.130.0000.00717.78
8.1.120.0000.00717.36
8.1.110.0040.00417.49
8.1.100.0070.00017.30
8.1.90.0070.00017.37
8.1.80.0000.00717.47
8.1.70.0080.00017.44
8.1.60.0000.00917.63
8.1.50.0080.00017.54
8.1.40.0000.00817.41
8.1.30.0030.00617.56
8.1.20.0050.00317.61
8.1.10.0060.00317.45
8.1.00.0090.00017.48
8.0.300.0000.00818.77
8.0.290.0070.00016.63
8.0.280.0030.00318.39
8.0.270.0090.00017.32
8.0.260.0030.00317.32
8.0.250.0030.00316.88
8.0.240.0030.00316.81
8.0.230.0000.00716.94
8.0.220.0000.00616.89
8.0.210.0000.00616.77
8.0.200.0000.00816.98
8.0.190.0000.00816.97
8.0.180.0040.00417.00
8.0.170.0080.00016.86
8.0.160.0040.00416.77
8.0.150.0000.00816.79
8.0.140.0040.00416.76
8.0.130.0050.00013.27
8.0.120.0000.00816.89
8.0.110.0000.00716.84
8.0.100.0080.00016.77
8.0.90.0070.00016.79
8.0.80.0090.01616.86
8.0.70.0040.00416.79
8.0.60.0040.00416.70
8.0.50.0080.00016.80
8.0.30.0080.01117.26
8.0.20.0120.00917.40
8.0.10.0040.00417.04
8.0.00.0050.01316.79
7.4.330.0000.00515.07
7.4.320.0000.00616.61
7.4.300.0030.00316.65
7.4.290.0000.00716.41
7.4.280.0040.00416.63
7.4.270.0050.00216.63
7.4.260.0000.00716.61
7.4.250.0000.00716.48
7.4.240.0060.00216.64
7.4.230.0040.00416.51
7.4.220.0070.01016.59
7.4.210.0030.01216.62
7.4.200.0030.00316.71
7.4.160.0120.00416.51
7.4.150.0120.00617.40
7.4.140.0110.00717.86
7.4.130.0150.00516.64
7.4.120.0120.00816.46
7.4.110.0140.00316.45
7.4.100.0110.00816.56
7.4.90.0060.01216.54
7.4.80.0030.01419.39
7.4.70.0130.00316.51
7.4.60.0090.00916.50
7.4.50.0000.00816.46
7.4.40.0000.01716.58
7.4.30.0100.00716.41
7.4.00.0030.01314.87
7.3.330.0000.00513.04
7.3.320.0020.00313.13
7.3.310.0040.00416.42
7.3.300.0040.00416.23
7.3.290.0140.00716.37
7.3.280.0060.01016.34
7.3.270.0060.01117.40
7.3.260.0170.00016.58
7.3.250.0090.00916.36
7.3.240.0120.00816.52
7.3.230.0090.00916.39
7.3.210.0090.00916.34
7.3.200.0130.00919.39
7.3.190.0130.01016.38
7.3.180.0120.00316.59
7.3.170.0110.00516.41
7.3.160.0160.00016.67
7.2.330.0080.01116.52
7.2.320.0090.01616.40
7.2.310.0080.00916.52
7.2.300.0030.02116.92
7.2.290.0100.00716.49
7.2.00.0000.01618.95
7.1.100.0100.00317.98
7.1.70.0040.00417.28
7.1.60.0070.01719.40
7.1.50.0130.00017.09
7.1.00.0070.07322.36
7.0.200.0030.00516.77
7.0.140.0000.07322.10
7.0.90.0570.06719.96
7.0.80.0530.08020.00
7.0.70.0600.04319.95
7.0.60.0470.08019.98
7.0.50.0600.06320.35
7.0.40.0070.08319.95
7.0.30.0030.06720.13
7.0.20.0100.08020.10
7.0.10.0130.07720.14
7.0.00.0100.07720.01
5.6.280.0070.07021.09
5.6.240.0100.07020.72
5.6.230.0230.06320.74
5.6.220.0070.04720.68
5.6.210.0100.07720.75
5.6.200.0130.07321.05
5.6.190.0030.06721.10
5.6.180.0070.08721.11
5.6.170.0100.06321.10
5.6.160.0030.04721.03
5.6.150.0070.08321.10
5.6.140.0070.09021.11
5.6.130.0030.09021.16
5.6.120.0030.05721.04
5.6.110.0130.07721.00
5.6.100.0170.07321.11
5.6.90.0030.05320.92
5.6.80.0100.07020.46
5.6.70.0170.06720.39
5.6.60.0130.08020.50
5.6.50.0030.08020.49
5.6.40.0000.05720.43
5.6.30.0070.05320.44
5.6.20.0130.07320.52
5.6.10.0070.04320.43
5.6.00.0070.08020.32
5.5.380.0130.06320.37
5.5.370.0070.04020.36
5.5.360.0000.09020.41
5.5.350.0100.08020.38
5.5.340.0070.07720.73
5.5.330.0070.04020.77
5.5.320.0070.07720.88
5.5.310.0070.08320.75
5.5.300.0030.09020.92
5.5.290.0130.07720.79
5.5.280.0000.09320.76
5.5.270.0100.07720.86
5.5.260.0070.08020.70
5.5.250.0030.07720.69
5.5.240.0070.08020.30
5.5.230.0030.08020.26
5.5.220.0130.06020.13
5.5.210.0130.07320.31
5.5.200.0000.05020.14
5.5.190.0030.08720.14
5.5.180.0300.04320.23
5.5.160.0030.08020.21
5.5.150.0130.07720.23
5.5.140.0100.05020.23
5.5.130.0100.07320.21
5.5.120.0130.06320.22
5.5.110.0070.06320.20
5.5.100.0100.07020.10
5.5.90.0070.07719.92
5.5.80.0070.05320.00
5.5.70.0100.07020.03
5.5.60.0100.06720.05
5.5.50.0130.06319.93
5.5.40.0030.07720.07
5.5.30.0070.06319.93
5.5.20.0070.03720.02
5.5.10.0230.03720.03
5.5.00.0100.07320.08
5.4.450.0100.08019.35
5.4.440.0070.06719.21
5.4.430.0230.06719.36
5.4.420.0070.08719.22
5.4.410.0030.08019.32
5.4.400.0030.08319.13
5.4.390.0030.05719.13
5.4.380.0100.06018.96
5.4.370.0100.06019.03
5.4.360.0030.05018.81
5.4.350.0100.04319.05
5.4.340.0100.03319.03
5.4.320.0100.03719.05
5.4.310.0130.06719.10
5.4.300.0070.04319.09
5.4.290.0100.04019.12
5.4.280.0130.07018.77
5.4.270.0230.05018.97
5.4.260.0170.06719.02
5.4.250.0130.04018.78
5.4.240.0170.06719.11
5.4.230.0030.05018.96
5.4.220.0070.04718.80
5.4.210.0100.03318.89
5.4.200.0070.06719.05
5.4.190.0070.07018.79
5.4.180.0030.05719.11
5.4.170.0070.06318.89
5.4.160.0070.07319.07
5.4.150.0030.07719.10
5.4.140.0070.07716.32
5.4.130.0170.04016.31
5.4.120.0130.03316.21
5.4.110.0100.06316.21
5.4.100.0000.04016.32
5.4.90.0070.06716.38
5.4.80.0170.06016.42
5.4.70.0130.06016.36
5.4.60.0070.07316.42
5.4.50.0030.03716.19
5.4.40.0070.04016.41
5.4.30.0070.03316.18
5.4.20.0000.04316.31
5.4.10.0030.03716.23
5.4.00.0030.03715.68
5.3.290.0030.04714.67
5.3.280.0030.07714.61
5.3.270.0030.07714.57
5.3.260.0070.08014.51
5.3.250.0070.07714.58
5.3.240.0100.06714.47
5.3.230.0100.06314.46
5.3.220.0030.08014.53
5.3.210.0070.07014.43
5.3.200.0000.04314.47
5.3.190.0070.05714.42
5.3.180.0170.06714.55
5.3.170.0100.05014.50
5.3.160.0130.07014.50
5.3.150.0100.05314.42
5.3.140.0000.07314.42
5.3.130.0000.04714.54
5.3.120.0070.08014.49
5.3.110.0100.03714.50
5.3.100.0100.03713.94
5.3.90.0030.03713.92
5.3.80.0030.04013.79
5.3.70.0100.04713.97
5.3.60.0030.03013.99
5.3.50.0070.03313.80
5.3.40.0070.03313.92
5.3.30.0030.03313.86
5.3.20.0000.04713.68
5.3.10.0030.07013.61
5.3.00.0000.04713.62
5.2.170.0070.02311.07
5.2.160.0000.03010.96
5.2.150.0000.03010.96
5.2.140.0030.03011.09
5.2.130.0030.02710.91
5.2.120.0070.04310.91
5.2.110.0000.03710.93
5.2.100.0070.02311.09
5.2.90.0030.03311.09
5.2.80.0000.03011.14
5.2.70.0000.02711.14
5.2.60.0100.02311.05
5.2.50.0000.03310.88
5.2.40.0030.02710.83
5.2.30.0000.03010.96
5.2.20.0030.02710.79
5.2.10.0000.05710.92
5.2.00.0070.02310.66
5.1.60.0000.0239.97
5.1.50.0030.0239.97
5.1.40.0000.0279.97
5.1.30.0000.02710.39
5.1.20.0000.02710.22
5.1.10.0000.0279.91
5.1.00.0030.0239.89
5.0.50.0000.0208.55
5.0.40.0000.0208.53
5.0.30.0000.0338.21
5.0.20.0030.0178.26
5.0.10.0030.0178.28
5.0.00.0030.0408.25
4.4.90.0000.0177.03
4.4.80.0030.0137.03
4.4.70.0000.0137.03
4.4.60.0000.0177.03
4.4.50.0000.0177.03
4.4.40.0000.0337.03
4.4.30.0030.0137.03
4.4.20.0030.0137.03
4.4.10.0000.0137.03
4.4.00.0000.0207.03
4.3.110.0000.0177.03
4.3.100.0000.0177.03
4.3.90.0000.0177.03
4.3.80.0000.0237.03
4.3.70.0030.0137.03
4.3.60.0030.0107.03
4.3.50.0000.0177.03
4.3.40.0000.0237.03
4.3.30.0000.0207.03
4.3.20.0000.0177.03
4.3.10.0000.0177.03
4.3.00.0030.0137.03

preferences:
39.51 ms | 401 KiB | 5 Q