3v4l.org

run code in 300+ PHP versions simultaneously
<?php function pack_encode($format, $val) { $b64 = base64_encode(pack($format, $val)); return str_replace(array('/', '='), array('_', ''), $b64); } function pack_decode($format, $val) { $b64 = str_replace('_', '/', $val); // un-padded list($hi, $lo) = unpack($format, base64_decode($b64, false)); return $hi << 8 | $lo; } function pack_encode_uint16($val) { return pack_encode('n', $val); } function pack_encode_uint32($val) { return pack_encode('N', $val); } function pack_decode_uint16($val) { return pack_decode('n', $val); } function pack_decode_uint32($val) { return pack_decode('N', $val); } $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { $val = $i*$step; $enc16 = pack_encode_uint16($val); $enc32 = pack_encode_uint32($val); $str = base64_encode(strval($val)); // STUPID echo "$enc16 $enc32 $str $val"; $dec16 = pack_decode_uint16($enc16); $dec32 = pack_decode_uint32($enc32); if ($dec16 !== $val) { echo " $dec16 != $val"; } else if ($dec32 !== $val) { echo " $dec32 != $val"; } echo "\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)
8.3.40.0120.00318.71
8.3.30.0130.00319.09
8.3.20.0000.00720.33
8.3.10.0030.00521.76
8.3.00.0000.00817.48
8.2.170.0120.00322.96
8.2.160.0100.00320.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.95
8.2.110.0030.00622.11
8.2.100.0000.01219.95
8.2.90.0000.00819.20
8.2.80.0030.00517.97
8.2.70.0030.00517.75
8.2.60.0110.00017.79
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0040.00418.24
8.2.20.0080.00017.70
8.2.10.0000.00818.13
8.2.00.0030.00617.69
8.1.270.0080.00023.83
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0060.00323.96
8.1.230.0000.01219.07
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0090.00017.22
8.1.180.0050.00318.10
8.1.170.0050.00318.59
8.1.160.0040.00421.87
8.1.150.0000.00818.86
8.1.140.0070.00017.31
8.1.130.0000.00717.84
8.1.120.0040.00417.30
8.1.110.0050.00317.43
8.1.100.0060.00317.52
8.1.90.0050.00217.50
8.1.80.0040.00417.46
8.1.70.0000.00817.28
8.1.60.0030.00617.48
8.1.50.0030.00517.59
8.1.40.0030.00617.38
8.1.30.0040.00417.72
8.1.20.0000.00917.55
8.1.10.0000.00717.59
8.1.00.0000.00817.43
8.0.300.0050.00218.77
8.0.290.0030.00516.75
8.0.280.0080.00018.34
8.0.270.0110.00017.31
8.0.260.0080.00017.17
8.0.250.0030.00317.00
8.0.240.0000.00717.04
8.0.230.0030.00316.91
8.0.220.0030.00316.95
8.0.210.0030.00316.91
8.0.200.0030.00616.95
8.0.190.0040.00417.01
8.0.180.0080.00016.89
8.0.170.0040.00416.92
8.0.160.0000.00716.84
8.0.150.0040.00416.93
8.0.140.0000.00716.81
8.0.130.0030.00313.41
8.0.120.0060.00316.80
8.0.110.0000.00717.00
8.0.100.0040.00416.99
8.0.90.0080.00016.96
8.0.80.0170.00916.94
8.0.70.0040.00416.98
8.0.60.0100.00016.94
8.0.50.0000.00716.83
8.0.30.0120.00816.91
8.0.20.0050.01417.40
8.0.10.0060.00316.95
8.0.00.0120.00716.82
7.4.330.0030.00315.11
7.4.320.0060.00016.56
7.4.300.0060.00016.51
7.4.290.0030.00316.59
7.4.280.0060.00316.39
7.4.270.0030.00316.54
7.4.260.0040.00416.43
7.4.250.0030.00316.56
7.4.240.0020.00516.54
7.4.230.0050.00316.61
7.4.220.0150.00416.53
7.4.210.0040.01116.59
7.4.200.0040.00416.64
7.4.160.0100.01016.48
7.4.150.0060.01517.40
7.4.140.0080.01317.86
7.4.130.0050.01316.56
7.4.120.0120.00616.61
7.4.110.0100.01016.59
7.4.100.0090.00916.50
7.4.90.0100.01016.73
7.4.80.0120.01219.39
7.4.70.0040.01516.74
7.4.60.0030.01516.59
7.4.50.0000.00416.40
7.4.40.0040.01316.38
7.4.30.0030.01316.29
7.4.00.0110.00614.92
7.3.330.0060.00013.46
7.3.320.0030.00313.42
7.3.310.0000.00716.47
7.3.300.0030.00316.50
7.3.290.0100.00716.42
7.3.280.0100.00916.42
7.3.270.0070.01017.40
7.3.260.0110.00616.73
7.3.250.0100.00716.62
7.3.240.0110.00816.57
7.3.230.0110.00716.41
7.3.210.0100.01016.49
7.3.200.0050.01419.39
7.3.190.0070.01016.58
7.3.180.0100.00716.53
7.3.170.0070.01016.41
7.3.160.0120.00616.51
7.3.120.0080.00814.73
7.3.110.0080.01014.87
7.3.100.0070.00914.81
7.3.90.0100.00314.86
7.3.80.0080.00614.85
7.3.70.0080.00614.79
7.3.60.0020.01214.93
7.3.50.0040.00614.80
7.3.40.0050.00814.72
7.3.30.0050.00714.62
7.3.20.0090.00716.76
7.3.10.0040.00916.51
7.3.00.0060.00816.66
7.2.330.0160.00316.35
7.2.320.0090.00916.76
7.2.310.0100.00916.76
7.2.300.0070.01016.67
7.2.290.0070.01116.62
7.2.250.0080.00815.10
7.2.240.0050.01415.04
7.2.230.0070.01014.99
7.2.220.0070.00714.82
7.2.210.0070.00815.15
7.2.200.0030.00815.03
7.2.190.0050.00714.91
7.2.180.0050.00815.06
7.2.170.0110.00514.96
7.2.160.0040.01114.92
7.2.150.0050.00916.88
7.2.140.0110.00217.03
7.2.130.0060.00816.81
7.2.120.0060.01016.92
7.2.110.0070.00616.73
7.2.100.0100.00516.83
7.2.90.0090.00316.85
7.2.80.0050.00916.86
7.2.70.0050.00916.88
7.2.60.0050.00716.94
7.2.50.0080.00717.03
7.2.40.0030.01316.96
7.2.30.0040.01117.01
7.2.20.0030.01117.06
7.2.10.0070.00416.65
7.2.00.0070.00817.82
7.1.330.0040.01115.92
7.1.320.0090.00715.89
7.1.310.0070.00815.75
7.1.300.0030.01215.76
7.1.290.0090.00615.85
7.1.280.0090.00615.83
7.1.270.0030.01115.93
7.1.260.0040.01115.91
7.1.250.0030.00915.78
7.1.200.0080.00515.96
7.1.100.0040.00818.21
7.1.70.0030.00516.93
7.1.60.0040.01217.33
7.1.50.0040.01817.03
7.1.00.0030.07722.28
7.0.200.0060.00916.86
7.0.140.0070.06721.97
7.0.60.0030.06020.09
7.0.50.0100.05017.93
7.0.40.0130.07320.04
7.0.30.0130.05020.34
7.0.20.0170.04320.06
7.0.10.0030.05320.08
7.0.00.0130.07320.22
5.6.280.0100.07020.93
5.6.210.0100.08020.62
5.6.200.0030.06318.18
5.6.190.0030.08020.46
5.6.180.3630.04320.52
5.6.170.0170.07020.40
5.6.160.0070.04020.54
5.6.150.0030.05018.16
5.6.140.0070.08018.16
5.6.130.0000.04318.17
5.6.120.0070.03721.00
5.6.110.0070.08721.02
5.6.100.0070.08321.15
5.6.90.0070.06721.00
5.6.80.0070.06320.39
5.6.70.0370.06320.53
5.5.350.0030.06720.41
5.5.340.0030.07718.00
5.5.330.0130.07320.29
5.5.320.0370.07020.36
5.5.310.0230.05320.36
5.5.300.0000.04317.99
5.5.290.0130.07018.07
5.5.280.0100.08020.97
5.5.270.0130.08020.80
5.5.260.0030.09020.88
5.5.250.0070.04720.59
5.5.240.0100.08320.20
5.4.450.0370.06019.48
5.4.440.0170.08719.29
5.4.430.0170.05719.65
5.4.420.0070.06319.59
5.4.410.0200.05019.39
5.4.400.0270.05018.87
5.4.390.0300.04318.95
5.4.380.0200.04718.75
5.4.370.0070.04318.70
5.4.360.0100.04318.71
5.4.350.0070.04412.03
5.4.340.0070.04112.02
5.4.320.0040.04412.51
5.4.310.0060.05512.52
5.4.300.0060.05212.52
5.4.290.0060.05412.52
5.4.280.0100.04812.41
5.4.270.0090.04812.41
5.4.260.0050.05412.41
5.4.250.0090.05112.41
5.4.240.0060.05412.41
5.4.230.0050.03912.41
5.4.220.0100.04012.40
5.4.210.0120.04712.41
5.4.200.0050.04112.40
5.4.190.0080.04112.40
5.4.180.0110.04812.39
5.4.170.0070.05212.41
5.4.160.0080.04612.41
5.4.150.0080.03512.40
5.4.140.0080.03612.09
5.4.130.0070.03612.08
5.4.120.0090.03512.03
5.4.110.0090.03412.03
5.4.100.0050.03712.03
5.4.90.0050.03912.03
5.4.80.0040.04012.03
5.4.70.0040.03812.02
5.4.60.0050.03812.03
5.4.50.0060.03712.02
5.4.40.0070.03412.01
5.4.30.0050.03812.00
5.4.20.0070.03512.01
5.4.10.0110.03012.01
5.4.00.0070.03511.49
5.3.290.0090.04412.80
5.3.280.0120.03212.71
5.3.270.0060.04012.72
5.3.260.0100.04912.71
5.3.250.0080.03712.72
5.3.240.0110.04812.72
5.3.230.0150.04512.71
5.3.220.0130.04712.68
5.3.210.0120.05412.68
5.3.200.0160.04612.68
5.3.190.0140.05012.68
5.3.180.0130.04512.68
5.3.170.0090.05212.67
5.3.160.0150.04412.67
5.3.150.0120.04812.68
5.3.140.0070.03812.66
5.3.130.0100.03712.66
5.3.120.0100.03612.66
5.3.110.0080.03812.66
5.3.100.0050.03812.14
5.3.90.0050.04012.11
5.3.80.0100.03412.10
5.3.70.0060.03712.10
5.3.60.0060.03612.09
5.3.50.0060.03712.03
5.3.40.0040.03912.03
5.3.30.0060.03612.00
5.3.20.0090.03311.78
5.3.10.0080.03311.74
5.3.00.0060.03711.73
5.2.170.0030.0329.24
5.2.160.0060.0309.24
5.2.150.0050.0309.24
5.2.140.0050.0339.24
5.2.130.0040.0319.20
5.2.120.0080.0419.20
5.2.110.0080.0279.20
5.2.100.0040.0299.20
5.2.90.0030.0329.20
5.2.80.0080.0409.19
5.2.70.0050.0439.20
5.2.60.0090.0399.15
5.2.50.0060.0319.12
5.2.40.0090.0369.09
5.2.30.0040.0319.07
5.2.20.0030.0319.06
5.2.10.0050.0308.96
5.2.00.0020.0328.83
5.1.60.0050.0248.12
5.1.50.0040.0258.11
5.1.40.0070.0238.09
5.1.30.0030.0288.44
5.1.20.0070.0258.47
5.1.10.0070.0248.18
5.1.00.0060.0278.19
5.0.50.0050.0216.67
5.0.40.0080.0256.53
5.0.30.0060.0416.34
5.0.20.0050.0286.32
5.0.10.0040.0226.29
5.0.00.0080.0296.28
4.4.90.0030.0174.77
4.4.80.0040.0224.75
4.4.70.0010.0244.75
4.4.60.0040.0224.76
4.4.50.0020.0174.77
4.4.40.0010.0284.71
4.4.30.0050.0204.76
4.4.20.0030.0174.85
4.4.10.0020.0254.85
4.4.00.0060.0324.75
4.3.110.0030.0234.67
4.3.100.0030.0234.66
4.3.90.0030.0154.64
4.3.80.0040.0244.58
4.3.70.0030.0234.63
4.3.60.0020.0224.63
4.3.50.0030.0174.63
4.3.40.0040.0244.53
4.3.30.0040.0153.33
4.3.20.0010.0183.31
4.3.10.0020.0173.27
4.3.00.0030.0237.12

preferences:
38.04 ms | 400 KiB | 5 Q