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 $v) { $val = ($val<<$width) | $v; } return $val; } function pack_encode_uint16($val) { return pack_encode('n', $val); } function pack_decode_uint16($val) { return pack_decode('n', 16, $val); } function pack_encode_uint32($val) { return pack_encode('N', $val); } function pack_decode_uint32($val) { return pack_decode('N', 32, $val); } function pack_encode_uint64($val) { return pack_encode('NN', $val); } function pack_decode_uint64($val) { return pack_decode('NN', 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)
8.3.60.0120.00318.18
8.3.50.0100.00822.83
8.3.40.0140.00718.65
8.3.30.0110.00419.01
8.3.20.0080.00020.29
8.3.10.0000.00721.86
8.3.00.0080.00017.25
8.2.180.0130.00716.63
8.2.170.0120.00322.96
8.2.160.0120.00320.43
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0090.00026.16
8.2.120.0000.00821.01
8.2.110.0070.00322.31
8.2.100.0040.00717.84
8.2.90.0000.00819.38
8.2.80.0050.00317.97
8.2.70.0030.00517.80
8.2.60.0040.00417.92
8.2.50.0000.00818.10
8.2.40.0040.00422.21
8.2.30.0040.00418.01
8.2.20.0030.00617.77
8.2.10.0040.00418.14
8.2.00.0000.00817.84
8.1.280.0150.00325.92
8.1.270.0030.00623.83
8.1.260.0060.00326.35
8.1.250.0120.00628.09
8.1.240.0060.00323.85
8.1.230.0030.00719.13
8.1.220.0000.00917.76
8.1.210.0000.01118.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0070.00418.10
8.1.170.0040.00418.60
8.1.160.0000.00721.95
8.1.150.0000.00718.90
8.1.140.0070.00017.43
8.1.130.0000.00717.89
8.1.120.0050.00217.38
8.1.110.0000.00717.51
8.1.100.0040.00417.34
8.1.90.0000.00817.37
8.1.80.0040.00317.44
8.1.70.0030.00617.44
8.1.60.0040.00417.45
8.1.50.0040.00417.47
8.1.40.0030.00617.42
8.1.30.0040.00417.53
8.1.20.0040.00417.59
8.1.10.0040.00417.52
8.1.00.0030.00517.48
8.0.300.0000.00819.62
8.0.290.0000.00816.63
8.0.280.0030.00318.34
8.0.270.0060.00317.16
8.0.260.0000.00617.24
8.0.250.0030.00316.99
8.0.240.0040.00416.95
8.0.230.0000.00716.95
8.0.220.0000.00716.82
8.0.210.0070.00016.81
8.0.200.0040.00416.85
8.0.190.0050.00217.00
8.0.180.0050.00216.97
8.0.170.0000.00916.90
8.0.160.0000.00716.96
8.0.150.0050.00316.86
8.0.140.0000.00816.91
8.0.130.0030.00313.29
8.0.120.0060.00316.88
8.0.110.0050.00216.85
8.0.100.0000.00716.86
8.0.90.0030.00617.01
8.0.80.0160.00716.98
8.0.70.0040.00416.93
8.0.60.0040.00416.88
8.0.50.0030.00516.80
8.0.30.0090.01517.22
8.0.20.0050.01517.40
8.0.10.0080.00016.92
8.0.00.0100.01116.79
7.4.330.0030.00315.05
7.4.320.0060.00016.61
7.4.300.0030.00316.61
7.4.290.0040.00416.48
7.4.280.0000.00716.62
7.4.270.0000.00716.54
7.4.260.0030.00616.62
7.4.250.0040.00416.63
7.4.240.0030.00416.63
7.4.230.0070.00016.32
7.4.220.0120.00616.60
7.4.210.0040.01116.66
7.4.200.0040.00416.37
7.4.160.0100.00716.62
7.4.150.0140.01017.40
7.4.140.0100.01117.86
7.4.130.0100.01016.57
7.4.120.0090.00916.54
7.4.110.0160.00016.35
7.4.100.0110.00716.43
7.4.90.0140.00316.53
7.4.80.0110.01219.39
7.4.70.0120.01216.46
7.4.60.0110.00616.65
7.4.50.0020.00216.59
7.4.40.0170.00016.54
7.4.30.0030.01316.50
7.4.10.0030.01415.71
7.4.00.0090.00815.16
7.3.330.0030.00313.33
7.3.320.0020.00213.38
7.3.310.0000.00716.48
7.3.300.0030.00316.30
7.3.290.0100.01016.35
7.3.280.0080.01116.38
7.3.270.0060.01217.40
7.3.260.0080.00916.63
7.3.250.0110.01116.40
7.3.240.0030.01616.57
7.3.230.0030.01516.39
7.3.210.0070.01116.25
7.3.200.0140.00319.39
7.3.190.0130.00316.38
7.3.180.0040.01416.43
7.3.170.0080.00816.62
7.3.160.0070.01516.71
7.3.130.0080.01015.56
7.3.120.0050.01215.20
7.3.110.0070.00915.28
7.3.100.0070.00815.31
7.3.90.0070.00615.23
7.3.80.0070.00715.29
7.3.70.0060.00815.08
7.3.60.0070.00715.14
7.3.50.0040.00915.23
7.3.40.0060.00915.18
7.3.30.0060.00715.20
7.3.20.0070.00817.17
7.3.10.0030.01116.98
7.3.00.0070.00917.03
7.2.330.0090.00916.84
7.2.320.0120.00616.65
7.2.310.0100.00716.64
7.2.300.0110.00616.80
7.2.290.0120.00416.66
7.2.260.0080.01015.83
7.2.250.0080.01015.51
7.2.240.0070.01215.49
7.2.230.0060.01015.46
7.2.220.0040.00915.46
7.2.210.0050.01015.44
7.2.200.0050.00515.39
7.2.190.0100.00515.40
7.2.180.0060.00815.44
7.2.170.0040.01015.43
7.2.160.0090.00615.88
7.2.150.0050.00817.58
7.2.140.0080.00817.69
7.2.130.0070.01017.65
7.2.120.0050.01017.62
7.2.110.0040.01317.64
7.2.100.0100.00517.55
7.2.90.0080.00717.75
7.2.80.0090.00817.69
7.2.70.0070.00817.71
7.2.60.0050.01017.55
7.2.50.0050.00717.54
7.2.40.0080.00717.73
7.2.30.0060.00917.71
7.2.20.0050.01217.58
7.2.10.0050.00917.62
7.2.00.0080.01018.18
7.1.330.0080.00716.21
7.1.320.0040.01116.35
7.1.310.0080.00516.22
7.1.300.0030.00916.25
7.1.290.0050.00816.20
7.1.280.0050.00716.23
7.1.270.0050.00916.15
7.1.260.0050.00816.12
7.1.250.0080.00816.35
7.1.240.0050.00716.63
7.1.230.0040.01216.43
7.1.220.0050.00916.52
7.1.210.0050.01016.48
7.1.200.0090.00616.53
7.1.190.0050.01116.62
7.1.180.0020.01116.61
7.1.170.0070.00816.59
7.1.160.0050.00716.50
7.1.150.0030.00616.47
7.1.140.0050.00516.64
7.1.130.0050.00716.59
7.1.120.0050.01116.57
7.1.110.0050.01016.57
7.1.100.0060.00617.04
7.1.90.0040.00516.57
7.1.80.0060.00716.58
7.1.70.0030.01016.81
7.1.60.0050.01217.48
7.1.50.0050.00916.46
7.1.40.0060.00716.51
7.1.30.0040.00816.51
7.1.20.0050.00916.57
7.1.10.0030.00816.66
7.1.00.0040.02918.49
7.0.330.0080.00716.24
7.0.320.0060.00816.22
7.0.310.0050.01116.27
7.0.300.0060.00716.27
7.0.290.0050.00816.20
7.0.280.0050.00716.14
7.0.270.0080.00616.19
7.0.260.0070.00716.16
7.0.250.0000.01316.05
7.0.240.0070.00716.10
7.0.230.0050.00916.23
7.0.220.0050.00616.22
7.0.210.0060.01016.28
7.0.200.0030.00616.46
7.0.190.0040.00816.23
7.0.180.0050.00916.32
7.0.170.0060.00616.25
7.0.160.0070.00616.28
7.0.150.0030.00816.30
7.0.140.0050.02918.14
7.0.130.0040.00516.20
7.0.120.0070.00516.35
7.0.110.0070.03217.48
7.0.100.0120.02917.52
7.0.90.0120.02717.44
7.0.80.0100.03017.56
7.0.70.0060.03517.35
7.0.60.0060.03417.29
7.0.50.0070.03417.68
7.0.40.0060.03116.20
7.0.30.0060.03116.19
7.0.20.0080.03216.21
7.0.10.0090.02616.28
7.0.00.0060.02316.25
5.6.400.0070.00715.02
5.6.390.0030.01015.20
5.6.380.0100.00714.98
5.6.370.0080.00715.25
5.6.360.0040.00915.20
5.6.350.0050.01215.09
5.6.340.0090.00615.30
5.6.330.0070.01015.21
5.6.320.0030.01215.24
5.6.310.0050.00715.04
5.6.300.0030.01014.82
5.6.290.0080.00615.14
5.6.280.0050.02917.16
5.6.270.0080.00615.21
5.6.260.0080.00614.96
5.6.250.0070.03016.82
5.6.240.0070.03316.87
5.6.230.0030.02516.95
5.6.220.0070.03017.07
5.6.210.0030.03516.95
5.6.200.0060.03117.10
5.6.190.0080.03117.00
5.6.180.0090.03017.07
5.6.170.0070.03117.08
5.6.160.0040.02317.19
5.6.150.0070.02917.08
5.6.140.0090.03117.19
5.6.130.0050.03417.18
5.6.120.0070.03417.09
5.6.110.0100.03217.01
5.6.100.0070.03317.08
5.6.90.0070.02917.15
5.6.80.0080.02916.94
5.6.70.0100.02616.83
5.6.60.0050.03216.87
5.6.50.0060.02716.78
5.6.40.0040.02616.88
5.6.30.0070.03016.79
5.6.20.0100.02617.03
5.6.10.0070.03116.89
5.6.00.0060.03016.82
5.5.380.0070.02916.78
5.5.370.0060.03116.94
5.5.360.0060.03416.79
5.5.350.0090.03016.81
5.5.340.0040.03316.96
5.5.330.0090.03017.14
5.5.320.0040.03516.99
5.5.310.0050.03517.04
5.5.300.0150.01517.14
5.5.290.0060.03516.98
5.5.280.0050.03116.90
5.5.270.0060.03116.99
5.5.260.0050.02917.11
5.5.250.0050.02417.00
5.5.240.0060.03116.88
5.5.230.0080.03216.84
5.5.220.0060.02916.69
5.5.210.0070.03116.66
5.5.200.0050.02916.73
5.5.190.0050.02516.64
5.5.180.0070.03116.61
5.5.170.0050.00814.97
5.5.160.0040.03016.73
5.5.150.0080.02716.67
5.5.140.0090.02916.72
5.5.130.0090.02816.74
5.5.120.0060.02316.67
5.5.110.0100.02716.85
5.5.100.0030.02616.70
5.5.90.0040.03116.67
5.5.80.0090.02816.64
5.5.70.0110.02816.64
5.5.60.0060.02716.74
5.5.50.0030.02416.65
5.5.40.0100.03116.70
5.5.30.0070.02916.86
5.5.20.0070.03116.80
5.5.10.0080.03316.64
5.5.00.0070.02916.64
5.4.450.0060.03114.66
5.4.440.0030.01914.57
5.4.430.0050.03014.60
5.4.420.0060.02914.49
5.4.410.0090.02514.50
5.4.400.0080.02814.56
5.4.390.0010.03214.53
5.4.380.0030.03014.43
5.4.370.0050.03114.45
5.4.360.0060.02614.46
5.4.350.0040.02614.53
5.4.340.0070.02814.39
5.4.330.0040.00412.10
5.4.320.0030.02814.56
5.4.310.0080.02814.46
5.4.300.0040.02014.56
5.4.290.0050.02714.43
5.4.280.0050.03014.56
5.4.270.0080.02914.52
5.4.260.0030.02914.37
5.4.250.0040.03214.37
5.4.240.0030.03014.39
5.4.230.0080.02814.48
5.4.220.0100.02814.38
5.4.210.0040.03014.46
5.4.200.0080.02614.43
5.4.190.0060.03114.48
5.4.180.0040.03114.36
5.4.170.0020.03414.48
5.4.160.0070.02814.39
5.4.150.0080.02714.43
5.4.140.0040.03013.64
5.4.130.0060.02713.51
5.4.120.0100.02613.52
5.4.110.0060.02913.60
5.4.100.0070.02713.58
5.4.90.0090.02413.54
5.4.80.0050.01813.61
5.4.70.0060.01413.53
5.4.60.0070.02913.55
5.4.50.0040.03013.53
5.4.40.0050.02913.52
5.4.30.0090.02413.56
5.4.20.0030.01913.51
5.4.10.0040.03113.58
5.4.00.0100.01613.34
5.3.290.0030.03112.93
5.3.280.0070.02812.97
5.3.270.0050.03112.92
5.3.260.0090.02512.92
5.3.250.0040.02712.96
5.3.240.0060.02712.92
5.3.230.0060.03012.99
5.3.220.0070.02912.93
5.3.210.0060.03212.91
5.3.200.0090.02812.94
5.3.190.0070.02912.95
5.3.180.0040.03012.91
5.3.170.0070.01512.91
5.3.160.0060.02712.91
5.3.150.0060.02712.92
5.3.140.0040.03312.93
5.3.130.0080.02712.90
5.3.120.0080.02612.90
5.3.110.0060.03012.90
5.3.100.0040.02912.78
5.3.90.0050.02912.77
5.3.80.0040.02412.73
5.3.70.0040.03012.71
5.3.60.0030.02912.74
5.3.50.0060.02912.72
5.3.40.0050.03112.70
5.3.30.0060.03012.80
5.3.20.0050.02812.62
5.3.10.0100.01712.63
5.3.00.0060.03112.60
5.2.170.0030.06311.23
5.2.160.0100.06011.19
5.2.150.0070.06311.18
5.2.140.0030.07011.29
5.2.130.0070.03311.12
5.2.120.0100.05711.19
5.2.110.0030.05311.27
5.2.100.0070.06011.13
5.2.90.0130.05711.12
5.2.80.0030.05711.34
5.2.70.0070.06011.34
5.2.60.0070.03011.05
5.2.50.0070.05011.11
5.2.40.0030.06711.05
5.2.30.0070.05711.01
5.2.20.0000.06311.04
5.2.10.0070.05011.01
5.2.00.0070.05310.75
5.1.60.0030.05710.01
5.1.50.0000.03710.10
5.1.40.0130.03310.08
5.1.30.0030.05310.36
5.1.20.0000.05710.38
5.1.10.0030.05710.26
5.1.00.0030.05710.25
5.0.50.0070.0438.55
5.0.40.0070.0438.61
5.0.30.0070.0608.23
5.0.20.0070.0378.30
5.0.10.0000.0478.36
5.0.00.0100.0438.27
4.4.90.0030.0377.89
4.4.80.0030.0407.89
4.4.70.0070.0307.89
4.4.60.0070.0277.95
4.4.50.0000.0408.00
4.4.40.0000.0438.00
4.4.30.0030.0338.00
4.4.20.0030.0338.00
4.4.10.0030.0378.00
4.4.00.0100.0508.00
4.3.110.0030.0338.00
4.3.100.0030.0278.00
4.3.90.0030.0378.09
4.3.80.0000.0538.30
4.3.70.0000.0338.42
4.3.60.0000.0408.54
4.3.50.0070.0138.58
4.3.40.0100.0378.69
4.3.30.0030.0338.79
4.3.20.0030.0338.79
4.3.10.0000.0408.79
4.3.00.0070.0308.79

preferences:
44.37 ms | 401 KiB | 5 Q