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 $data = array(256);//unpack($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', $val); } function pack_encode_uint32($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)
8.3.70.0070.01116.63
8.3.60.0070.00716.75
8.3.50.0120.00722.82
8.3.40.0090.00918.96
8.3.30.0070.00719.06
8.3.20.0050.00320.16
8.3.10.0000.00721.73
8.3.00.0000.00817.63
8.2.180.0130.00616.63
8.2.170.0110.00422.96
8.2.160.0090.00620.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00326.16
8.2.120.0040.00420.91
8.2.110.0090.00020.38
8.2.100.0090.00317.91
8.2.90.0030.00519.09
8.2.80.0090.00017.97
8.2.70.0110.00017.75
8.2.60.0050.00317.93
8.2.50.0030.00518.10
8.2.40.0090.00018.22
8.2.30.0030.00517.95
8.2.20.0020.00517.77
8.2.10.0030.00518.22
8.2.00.0040.00417.74
8.1.280.0040.01125.92
8.1.270.0060.00323.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0170.00022.13
8.1.230.0060.00623.80
8.1.220.0040.00417.77
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0080.00018.56
8.1.160.0070.00021.92
8.1.150.0040.00418.78
8.1.140.0040.00417.28
8.1.130.0070.00017.89
8.1.120.0040.00417.34
8.1.110.0030.00517.37
8.1.100.0000.00817.45
8.1.90.0070.00017.38
8.1.80.0040.00417.47
8.1.70.0060.00317.45
8.1.60.0040.00417.48
8.1.50.0000.00917.53
8.1.40.0040.00417.44
8.1.30.0040.00417.71
8.1.20.0040.00417.68
8.1.10.0060.00317.45
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0030.00318.37
8.0.270.0080.00017.27
8.0.260.0060.00017.27
8.0.250.0000.00717.02
8.0.240.0000.00817.04
8.0.230.0030.00316.90
8.0.220.0030.00316.90
8.0.210.0000.00716.95
8.0.200.0030.00316.90
8.0.190.0070.00017.00
8.0.180.0040.00417.00
8.0.170.0040.00417.00
8.0.160.0000.00716.88
8.0.150.0040.00316.92
8.0.140.0000.00816.91
8.0.130.0050.00013.34
8.0.120.0040.00416.96
8.0.110.0000.00916.86
8.0.100.0050.00216.84
8.0.90.0000.00716.96
8.0.80.0060.01216.96
8.0.70.0040.00416.82
8.0.60.0020.00516.96
8.0.50.0040.00416.84
8.0.30.0130.01117.21
8.0.20.0110.00817.40
8.0.10.0050.00217.10
8.0.00.0110.01216.71
7.4.330.0030.00315.14
7.4.320.0030.00316.62
7.4.300.0030.00316.40
7.4.290.0080.00016.45
7.4.280.0050.00316.49
7.4.270.0040.00416.62
7.4.260.0060.00316.48
7.4.250.0040.00416.48
7.4.240.0050.00316.45
7.4.230.0030.00316.35
7.4.220.0070.01016.63
7.4.210.0140.00716.63
7.4.200.0030.00316.63
7.4.160.0120.00316.50
7.4.150.0120.01117.40
7.4.140.0130.00717.86
7.4.130.0120.00516.58
7.4.120.0090.00816.41
7.4.110.0130.00316.57
7.4.100.0080.00816.55
7.4.90.0150.00316.46
7.4.80.0100.01319.39
7.4.70.0090.00916.45
7.4.60.0090.01216.62
7.4.50.0060.00316.51
7.4.40.0110.00616.44
7.4.30.0040.01216.56
7.4.10.0120.00615.05
7.4.00.0100.00514.95
7.3.330.0050.00013.31
7.3.320.0020.00213.42
7.3.310.0030.00516.29
7.3.300.0000.00716.44
7.3.290.0120.00616.47
7.3.280.0070.01016.45
7.3.270.0090.00917.40
7.3.260.0070.01016.63
7.3.250.0060.01216.58
7.3.240.0180.00416.47
7.3.230.0100.01416.39
7.3.210.0130.00316.37
7.3.200.0030.01419.39
7.3.190.0090.01216.52
7.3.180.0070.01116.70
7.3.170.0130.00316.60
7.3.160.0160.00716.50
7.3.130.0090.00614.75
7.3.120.0100.00614.81
7.3.110.0130.00414.88
7.3.100.0110.00414.86
7.3.90.0060.00814.97
7.3.80.0100.00114.89
7.3.70.0030.01114.92
7.3.60.0030.01014.91
7.3.50.0030.01114.90
7.3.40.0030.00814.89
7.3.30.0060.00914.82
7.3.20.0050.01016.67
7.3.10.0070.01016.67
7.3.00.0060.00516.78
7.2.330.0150.00916.39
7.2.320.0030.01316.83
7.2.310.0080.00916.54
7.2.300.0110.00516.76
7.2.290.0120.00916.72
7.2.260.0180.00014.76
7.2.250.0000.01915.10
7.2.240.0040.01314.93
7.2.230.0040.01415.09
7.2.220.0010.01115.07
7.2.210.0030.01315.10
7.2.200.0040.00914.96
7.2.190.0080.00715.08
7.2.180.0040.01014.91
7.2.170.0050.00915.11
7.2.160.0060.00915.01
7.2.150.0090.00616.89
7.2.140.0050.01116.87
7.2.130.0010.01316.78
7.2.120.0000.01316.85
7.2.110.0050.00816.86
7.2.100.0020.01016.85
7.2.90.0050.00816.88
7.2.80.0010.01316.86
7.2.70.0030.00916.89
7.2.60.0080.00616.96
7.2.50.0070.00916.88
7.2.40.0050.01016.91
7.2.30.0060.00916.93
7.2.20.0060.00716.83
7.2.10.0020.01216.90
7.2.00.0060.00816.86
7.1.330.0050.00915.82
7.1.320.0050.00815.87
7.1.310.0100.00515.80
7.1.300.0070.00515.74
7.1.290.0020.01015.70
7.1.280.0050.00715.70
7.1.270.0040.00915.80
7.1.260.0090.00715.80
7.1.250.0060.00915.87
7.1.240.0030.01015.86
7.1.230.0070.00715.76
7.1.220.0030.00615.78
7.1.210.0000.00915.98
7.1.200.0080.00515.58
7.1.190.0030.00715.88
7.1.180.0000.01415.79
7.1.170.0110.00615.93
7.1.160.0040.00415.77
7.1.150.0040.00415.92
7.1.140.0100.00715.77
7.1.130.0030.01015.80
7.1.120.0120.00015.84
7.1.110.0060.00915.85
7.1.100.0000.01415.70
7.1.90.0090.00315.88
7.1.80.0070.01015.69
7.1.70.0030.01216.60
7.1.60.0100.01017.54
7.1.50.0040.00816.34
7.1.40.0030.00915.82
7.1.30.0000.01015.93
7.1.20.0000.01415.79
7.1.10.0080.00415.79
7.1.00.0050.04219.03
7.0.330.0000.01215.36
7.0.320.0100.00015.39
7.0.310.0070.00715.36
7.0.300.0030.00915.52
7.0.290.0090.00015.15
7.0.280.0030.01015.44
7.0.270.0090.00315.21
7.0.260.0030.00714.94
7.0.250.0070.00715.26
7.0.240.0030.01015.22
7.0.230.0070.01015.37
7.0.220.0030.00615.47
7.0.210.0100.00315.07
7.0.200.0060.00616.00
7.0.190.0070.00315.48
7.0.180.0080.00415.42
7.0.170.0070.00715.27
7.0.160.0000.00915.59
7.0.150.0080.00815.33
7.0.140.0030.04218.81
7.0.130.0040.00815.37
7.0.120.0060.00615.27
7.0.110.0060.00615.37
7.0.100.0030.01015.41
7.0.90.0070.00715.24
7.0.80.0040.00415.44
7.0.70.0060.00315.59
7.0.60.0080.04517.72
7.0.50.0070.03216.74
7.0.40.0070.04516.95
7.0.30.0230.03716.93
7.0.20.0150.02516.87
7.0.10.0060.04416.80
7.0.00.0050.04416.81
5.6.400.0030.01414.52
5.6.390.0100.00314.55
5.6.380.0090.00014.70
5.6.370.0030.01014.33
5.6.360.0070.01014.31
5.6.350.0030.00914.26
5.6.340.0000.00814.48
5.6.330.0100.00314.47
5.6.320.0080.00414.29
5.6.310.0030.01014.42
5.6.300.0060.01314.54
5.6.290.0030.01214.26
5.6.280.0020.05417.87
5.6.270.0120.00414.32
5.6.260.0040.00814.04
5.6.250.0000.00914.27
5.6.240.0090.00614.63
5.6.230.0060.00614.33
5.6.220.0060.00314.22
5.6.210.0150.04017.34
5.6.200.0030.03016.26
5.6.190.0050.02517.37
5.6.180.0170.03117.40
5.6.170.0120.02417.30
5.6.160.0040.04117.47
5.6.150.0050.04916.18
5.6.140.0090.04316.33
5.6.130.0080.03116.39
5.6.120.0100.01817.79
5.6.110.0110.04017.79
5.6.100.0070.04917.67
5.6.90.0080.03117.67
5.6.80.0050.04417.42
5.6.70.0060.00314.34
5.6.60.0080.00314.50
5.6.50.0030.01014.23
5.6.40.0040.01114.18
5.6.30.0030.01014.19
5.6.20.0080.00414.43
5.6.10.0080.00814.01
5.6.00.0000.01514.32
5.5.380.0050.00514.52
5.5.370.0070.00714.20
5.5.360.0110.00314.16
5.5.350.0130.04317.20
5.5.340.0020.03216.23
5.5.330.0090.02117.38
5.5.320.0160.03817.21
5.5.310.0150.03617.26
5.5.300.0030.02316.23
5.5.290.0070.04916.29
5.5.280.0120.04017.48
5.5.270.0070.04017.62
5.5.260.0080.03217.49
5.5.250.0000.02617.41
5.5.240.0030.04517.33
5.5.230.0030.00614.30
5.5.220.0030.00713.98
5.5.210.0070.00714.41
5.5.200.0030.01114.30
5.5.190.0030.00714.07
5.5.180.0030.01014.34
5.5.170.0040.01114.14
5.5.160.0080.00014.17
5.5.150.0090.00314.32
5.5.140.0030.00714.32
5.5.130.0030.01014.33
5.5.120.0090.00614.49
5.5.110.0090.00914.35
5.5.100.0030.00714.26
5.5.90.0000.01414.10
5.5.80.0090.00014.35
5.5.70.0000.01514.26
5.5.60.0060.01014.39
5.5.50.0070.00714.39
5.5.40.0090.00314.13
5.5.30.0040.00514.33
5.5.20.0080.00814.40
5.5.10.0030.00914.05
5.5.00.0000.01114.24
5.4.450.0400.03215.39
5.4.440.0130.02715.47
5.4.430.0070.03515.32
5.4.420.0100.02615.40
5.4.410.0080.03215.30
5.4.400.0100.03515.19
5.4.390.0300.03415.32
5.4.380.0310.03414.71
5.4.370.0270.02614.87
5.4.360.0190.03014.93
5.4.350.0190.03214.84
5.4.340.0260.03314.91
5.4.330.0000.01211.00
5.4.320.0060.02011.85
5.4.310.0100.01911.77
5.4.300.0070.02111.70
5.4.290.0050.02511.84
5.4.280.0100.02111.79
5.4.270.0070.01911.80
5.4.260.0060.01911.60
5.4.250.0070.02111.68
5.4.240.0060.01911.61
5.4.230.0070.02211.72
5.4.220.0030.02111.83
5.4.210.0050.02211.88
5.4.200.0040.02211.72
5.4.190.0060.02111.63
5.4.180.0080.01911.78
5.4.170.0040.02311.77
5.4.160.0030.02411.59
5.4.150.0060.02511.84
5.4.140.0080.02011.43
5.4.130.0060.02111.56
5.4.120.0040.02011.56
5.4.110.0030.02411.53
5.4.100.0060.02011.42
5.4.90.0050.02011.47
5.4.80.0040.02211.61
5.4.70.0050.02111.63
5.4.60.0070.01811.46
5.4.50.0040.02211.44
5.4.40.0070.01911.51
5.4.30.0020.02311.45
5.4.20.0040.02211.63
5.4.10.0060.01811.54
5.4.00.0030.02211.29
5.3.290.0050.02111.72
5.3.280.0030.02211.51
5.3.270.0040.02111.56
5.3.260.0060.02211.62
5.3.250.0050.02611.57
5.3.240.0060.02411.62
5.3.230.0040.02211.64
5.3.220.0050.02611.60
5.3.210.0070.02311.60
5.3.200.0070.02711.61
5.3.190.0070.02511.48
5.3.180.0040.03011.70
5.3.170.0010.03211.65
5.3.160.0070.02011.58
5.3.150.0060.02211.75
5.3.140.0060.02111.56
5.3.130.0020.02511.66
5.3.120.0060.03011.61
5.3.110.0040.02811.53
5.3.100.0060.02111.38
5.3.90.0050.01911.46
5.3.80.0050.02011.31
5.3.70.0060.01911.39
5.3.60.0060.02711.23
5.3.50.0070.01911.33
5.3.40.0060.02211.21
5.3.30.0040.02611.34
5.3.20.0040.02411.22
5.3.10.0050.02011.11
5.3.00.0070.01911.08
5.2.170.0090.0279.24
5.2.160.0080.0269.25
5.2.150.0030.0329.25
5.2.140.0070.0289.24
5.2.130.0020.0329.20
5.2.120.0060.0289.20
5.2.110.0040.0309.21
5.2.100.0050.0289.21
5.2.90.0040.0299.20
5.2.80.0040.0309.20
5.2.70.0070.0289.20
5.2.60.0040.0319.15
5.2.50.0060.0299.12
5.2.40.0050.0299.10
5.2.30.0060.0289.07
5.2.20.0060.0299.06
5.2.10.0030.0308.97
5.2.00.0070.0278.83
5.1.60.0050.0248.12
5.1.50.0030.0308.11
5.1.40.0070.0238.09
5.1.30.0060.0268.45
5.1.20.0030.0288.47
5.1.10.0040.0258.20
5.1.00.0040.0258.20
5.0.50.0020.0226.67
5.0.40.0040.0186.54
5.0.30.0030.0326.34
5.0.20.0080.0146.32
5.0.10.0010.0226.30
5.0.00.0040.0306.29
4.4.90.0040.0144.78
4.4.80.0060.0114.75
4.4.70.0020.0164.75
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0050.0134.84
4.4.10.0030.0154.85
4.4.00.0030.0334.75
4.3.110.0040.0174.67
4.3.100.0060.0144.67
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0010.0203.32
4.3.20.0040.0133.31
4.3.10.0040.0143.26
4.3.00.0030.0277.82

preferences:
34.8 ms | 401 KiB | 5 Q