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('_', ''), $b64); // "/" json-encodes poorly and "=" is padding } function pack_decode($format, $width, $bin) { $b64 = str_replace('_', '/', $bin); // un-padded $data = unpack($format, base64_decode($b64, false)); $val = 0; foreach ($data as $k => $v) { $val = ($val<<$width) | $v; } return $val; } function pack_encode_uint16($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', 16, $val); } function pack_decode_uint32($val) { return pack_decode('N', 32, $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)
8.3.60.0110.00416.63
8.3.50.0100.00722.82
8.3.40.0120.00318.68
8.3.30.0110.00319.22
8.3.20.0040.00420.11
8.3.10.0080.00021.91
8.3.00.0040.00417.75
8.2.180.0060.00916.50
8.2.170.0120.00322.96
8.2.160.0070.00722.30
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0090.00026.16
8.2.120.0040.00420.89
8.2.110.0070.00320.94
8.2.100.0070.00417.78
8.2.90.0000.00819.15
8.2.80.0050.00317.97
8.2.70.0000.01017.63
8.2.60.0050.00318.04
8.2.50.0000.00818.10
8.2.40.0060.00618.04
8.2.30.0000.00717.95
8.2.20.0000.00717.86
8.2.10.0000.00818.01
8.2.00.0060.00317.72
8.1.280.0100.00725.92
8.1.270.0030.00523.82
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.24
8.1.230.0060.00617.70
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0100.00017.35
8.1.190.0090.00017.35
8.1.180.0080.00018.10
8.1.170.0000.00818.52
8.1.160.0040.00421.94
8.1.150.0000.00718.87
8.1.140.0070.00017.38
8.1.130.0000.00717.96
8.1.120.0070.00017.39
8.1.110.0040.00417.38
8.1.100.0030.00317.30
8.1.90.0000.00717.34
8.1.80.0050.00317.46
8.1.70.0070.00317.46
8.1.60.0030.00617.56
8.1.50.0000.00817.52
8.1.40.0000.00817.51
8.1.30.0080.00017.62
8.1.20.0000.00717.61
8.1.10.0040.00417.55
8.1.00.0030.00517.52
8.0.300.0000.00818.78
8.0.290.0030.00916.63
8.0.280.0070.00018.44
8.0.270.0060.00317.27
8.0.260.0060.00017.31
8.0.250.0030.00317.02
8.0.240.0000.00617.01
8.0.230.0000.00717.04
8.0.220.0000.00817.02
8.0.210.0000.00716.87
8.0.200.0040.00417.08
8.0.190.0030.00616.91
8.0.180.0020.00517.02
8.0.170.0060.00317.05
8.0.160.0040.00416.86
8.0.150.0000.00716.89
8.0.140.0040.00416.89
8.0.130.0030.00313.28
8.0.120.0050.00316.85
8.0.110.0050.00316.82
8.0.100.0080.00016.92
8.0.90.0040.00416.95
8.0.80.0100.00716.89
8.0.70.0050.00316.87
8.0.60.0040.00416.91
8.0.50.0000.00717.03
8.0.30.0170.00817.17
8.0.20.0080.01017.40
8.0.10.0080.00017.09
8.0.00.0080.01016.75
7.4.330.0000.00515.09
7.4.320.0000.00616.53
7.4.300.0000.00716.51
7.4.290.0030.00316.49
7.4.280.0000.00916.59
7.4.270.0070.00016.51
7.4.260.0080.00016.50
7.4.250.0070.00016.45
7.4.240.0030.00316.51
7.4.230.0030.00316.56
7.4.220.0000.01816.62
7.4.210.0100.00316.59
7.4.200.0000.00716.70
7.4.160.0120.01216.57
7.4.150.0120.01217.40
7.4.140.0100.01017.86
7.4.130.0050.01316.54
7.4.120.0080.01516.48
7.4.110.0030.01316.64
7.4.100.0150.00516.53
7.4.90.0120.00616.75
7.4.80.0060.01619.39
7.4.70.0110.00416.48
7.4.60.0060.01016.59
7.4.50.0020.00216.52
7.4.40.0100.00716.37
7.4.30.0040.01316.71
7.4.00.0000.01115.21
7.3.330.0000.00513.25
7.3.320.0000.00513.28
7.3.310.0000.00816.40
7.3.300.0030.00316.48
7.3.290.0090.00616.43
7.3.280.0090.00816.40
7.3.270.0090.00917.40
7.3.260.0090.00916.60
7.3.250.0050.01316.40
7.3.240.0100.00916.63
7.3.230.0100.00716.65
7.3.210.0060.01316.45
7.3.200.0170.00019.39
7.3.190.0070.01016.46
7.3.180.0110.00616.49
7.3.170.0080.00816.55
7.3.160.0110.00616.52
7.3.120.0100.01015.05
7.3.110.0130.00314.98
7.3.100.0060.01015.01
7.3.90.0000.01014.91
7.3.80.0070.01014.84
7.3.70.0030.01214.84
7.3.60.0090.00614.84
7.3.50.0030.00614.93
7.3.40.0070.00715.01
7.3.30.0080.00414.99
7.3.20.0030.01016.77
7.3.10.0130.00616.60
7.3.00.0100.00616.37
7.2.330.0180.00616.52
7.2.320.0030.01316.67
7.2.310.0090.00916.59
7.2.300.0000.01516.73
7.2.290.0130.00316.40
7.2.240.0100.01014.97
7.2.230.0070.00715.05
7.2.220.0100.00315.18
7.2.210.0080.00415.17
7.2.200.0090.00614.99
7.2.190.0070.00715.07
7.2.180.0140.00315.02
7.2.170.0090.00615.14
7.2.160.0040.01114.94
7.2.150.0000.01116.87
7.2.140.0060.00616.98
7.2.130.0070.00916.69
7.2.120.0080.01116.83
7.2.110.0040.01016.55
7.2.100.0110.00316.69
7.2.90.0050.00916.56
7.2.80.0080.00716.86
7.2.70.0080.01016.98
7.2.60.0050.00916.75
7.2.50.0230.00516.84
7.2.40.0170.00516.73
7.2.30.0060.01016.71
7.2.20.0060.01016.74
7.2.10.0150.00516.77
7.2.00.0120.00817.72
7.1.330.0040.01115.54
7.1.320.0040.00815.91
7.1.310.0060.00615.71
7.1.300.0040.01115.88
7.1.290.0070.00715.59
7.1.280.0090.00615.65
7.1.270.0060.00615.90
7.1.260.0000.01815.70
7.1.250.0040.00815.71
7.1.200.0000.00715.94
7.1.100.0000.00918.33
7.1.70.0040.00417.19
7.1.60.0060.01319.40
7.1.50.0070.01317.10
7.1.00.0100.07022.32
7.0.200.0070.00316.93
7.0.140.0030.07022.00
7.0.100.0030.04319.96
7.0.90.0130.03019.93
7.0.80.0000.04319.95
7.0.70.0000.04319.91
7.0.60.0070.04020.08
7.0.50.0170.02720.35
7.0.40.0030.06320.06
7.0.30.0000.04720.04
7.0.20.0030.04320.15
7.0.10.0030.04020.17
7.0.00.0000.04720.04
5.6.280.0030.07321.09
5.6.250.0070.03720.72
5.6.240.0030.05320.66
5.6.230.0070.04020.61
5.6.220.0030.04320.66
5.6.210.0030.06020.76
5.6.200.0030.05321.03
5.6.190.0070.04020.98
5.6.180.0070.04021.14
5.6.170.0170.03021.04
5.6.160.0070.05721.04
5.6.150.0000.04321.04
5.6.140.0000.04321.02
5.6.130.0070.04021.11
5.6.120.0100.03721.07
5.6.110.0100.04721.09
5.6.100.0100.03321.13
5.6.90.0100.04321.14
5.6.80.0070.08020.39
5.6.70.0130.04020.46
5.6.60.0070.03720.47
5.6.50.0070.07720.51
5.6.40.0170.06720.49
5.6.30.0130.07320.41
5.6.20.0170.06020.45
5.6.10.0130.04020.47
5.6.00.0000.07720.32
5.5.380.0070.03720.40
5.5.370.0000.04320.39
5.5.360.0030.04720.39
5.5.350.0030.04320.43
5.5.340.0000.04320.89
5.5.330.0070.03720.78
5.5.320.0030.06720.85
5.5.310.0030.04720.93
5.5.300.0070.07020.78
5.5.290.0000.05020.94
5.5.280.0000.04320.91
5.5.270.0030.06720.77
5.5.260.0030.04320.90
5.5.250.0000.04320.73
5.5.240.0000.07720.18
5.5.230.0100.07320.26
5.5.220.0070.05020.24
5.5.210.0100.08020.20
5.5.200.0130.07320.23
5.5.190.0030.08320.29
5.5.180.0070.07720.20
5.5.160.0130.07319.98
5.5.150.0130.07720.13
5.5.140.0030.08320.10
5.5.130.0030.07320.13
5.5.120.0000.07320.30
5.5.110.0070.08320.09
5.5.100.0030.04020.09
5.5.90.0070.06719.99
5.5.80.0070.07720.14
5.5.70.0100.06720.07
5.5.60.0070.07020.15
5.5.50.0100.07019.95
5.5.40.0070.08020.18
5.5.30.0000.05320.10
5.5.20.0130.05320.05
5.5.10.0100.06320.05
5.5.00.0100.05319.97
5.4.450.0170.06019.36
5.4.440.0030.05019.57
5.4.430.0100.05319.44
5.4.420.0030.04719.36
5.4.410.0000.04719.06
5.4.400.0070.07019.10
5.4.390.0100.07718.87
5.4.380.0100.08319.14
5.4.370.0130.06718.95
5.4.360.0030.08019.05
5.4.350.0170.03319.04
5.4.340.0030.08719.13
5.4.320.0170.06719.23
5.4.310.0030.07319.21
5.4.300.0200.07019.05
5.4.290.0030.07318.98
5.4.280.0030.05018.90
5.4.270.0000.07719.18
5.4.260.0070.03719.04
5.4.250.0000.06719.18
5.4.240.0070.06719.09
5.4.230.0070.07019.21
5.4.220.0100.03318.94
5.4.210.0030.07319.09
5.4.200.0000.07019.13
5.4.190.0000.05019.08
5.4.180.0070.07019.13
5.4.170.0030.05718.87
5.4.160.0070.06719.08
5.4.150.0100.07019.11
5.4.140.0070.05716.46
5.4.130.0100.07716.34
5.4.120.0100.07316.46
5.4.110.0130.06316.52
5.4.100.0030.07316.39
5.4.90.0130.06716.55
5.4.80.0030.07716.38
5.4.70.0100.06016.50
5.4.60.0130.06316.28
5.4.50.0070.07316.31
5.4.40.0030.07316.50
5.4.30.0100.06716.48
5.4.20.0070.06716.46
5.4.10.0030.07016.31
5.4.00.0070.07015.94
5.3.290.0130.04314.79
5.3.280.0130.06714.67
5.3.270.0030.07714.69
5.3.260.0100.07314.76
5.3.250.0030.08314.60
5.3.240.0100.05714.74
5.3.230.0030.07714.59
5.3.220.0130.04014.65
5.3.210.0030.07714.65
5.3.200.0030.07714.61
5.3.190.0170.06714.54
5.3.180.0030.04014.57
5.3.170.0030.06314.67
5.3.160.0000.05014.64
5.3.150.0100.07314.64
5.3.140.0070.07714.52
5.3.130.0100.07314.55
5.3.120.0070.07714.52
5.3.110.0000.08014.59
5.3.100.0000.08014.07
5.3.90.0100.04014.00
5.3.80.0100.06014.13
5.3.70.0030.07713.96
5.3.60.0100.07014.09
5.3.50.0030.08014.09
5.3.40.0000.08013.98
5.3.30.0070.05713.99
5.3.20.0030.07313.60
5.3.10.0070.07013.79
5.3.00.0070.07313.63
5.2.170.0030.06011.20
5.2.160.0070.05711.03
5.2.150.0100.04311.05
5.2.140.0030.06711.27
5.2.130.0100.06011.11
5.2.120.0070.06311.21
5.2.110.0130.05311.14
5.2.100.0100.05311.18
5.2.90.0070.03311.19
5.2.80.0100.05710.98
5.2.70.0000.06711.13
5.2.60.0030.05711.10
5.2.50.0000.06011.06
5.2.40.0030.06011.02
5.2.30.0070.06310.93
5.2.20.0000.06311.10
5.2.10.0100.05010.90
5.2.00.0030.05710.75
5.1.60.0070.03310.45
5.1.50.0130.03010.45
5.1.40.0000.05710.45
5.1.30.0000.06010.45
5.1.20.0070.05310.52
5.1.10.0000.06010.45
5.1.00.0000.05710.45
5.0.50.0030.04310.45
5.0.40.0000.04710.45
5.0.30.0030.06310.45
5.0.20.0030.04010.45
5.0.10.0070.04010.45
5.0.00.0000.06310.45
4.4.90.0000.03710.45
4.4.80.0070.03310.45
4.4.70.0000.03710.45
4.4.60.0030.01710.45
4.4.50.0000.03710.45
4.4.40.0030.04710.45
4.4.30.0000.04010.45
4.4.20.0030.02710.45
4.4.10.0000.03710.45
4.4.00.0030.05710.45
4.3.110.0070.03010.45
4.3.100.0070.03010.45
4.3.90.0000.04010.45
4.3.80.0000.04310.45
4.3.70.0070.03010.45
4.3.60.0030.03010.45
4.3.50.0000.04010.45
4.3.40.0000.05710.45
4.3.30.0000.03710.45
4.3.20.0000.03710.45
4.3.10.0000.04010.45
4.3.00.0000.03710.45

preferences:
41.83 ms | 401 KiB | 5 Q