3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('INT_SIGNED', 1); define('INT_LE', 2); function is32Bit() { $test = unpack('N', "\xFF\xFF\xFF\xFF"); return current($test) === -1; } function unpack_int32($str, $flags = 0) { $length = strlen($str); if ($length < 4) { return false; } else if ($length > 4) { $str = substr($str, 0, 4); } if ($flags & INT_LE) { $str = strrev($str); } $result = unpack('N', $str); $result = current($result); $signBit = (bool) ($result & 0x80000000); $isSigned = (bool) ($flags & INT_SIGNED); $is32bit = is32Bit(); if ($signBit && $isSigned && !$is32bit) { $result = (0x00000000FFFFFFFF << 32) | $result; } else if ($signBit && !$isSigned && $is32bit) { $result = (($result & 0x7FFFFFFF) * 2) + ~$result + 1; } return $result; } function unpack_int64($str, $flags = 0) { $length = strlen($str); if ($length < 8) { return false; } else if ($length > 8) { $str = substr($str, 0, 8); } if ($flags & INT_LE) { $str = strrev($str); } $longs = array_values(unpack('N*', $str)); $signBit = (bool) ($longs[0] & 0x80000000); $isSigned = (bool) ($flags & INT_SIGNED); if (is32Bit()) { if ($longs[1] & 0x80000000) { $longs[1] = (($longs[1] & 0x7FFFFFFF) * 2) + ~$longs[1] + 1; } if ($isSigned && $signBit) { $result = ($longs[0] * pow(2, 32)) + $longs[1]; } else { if ($signBit) { $longs[0] = (($longs[0] & 0x7FFFFFFF) * 2) + ~$longs[0] + 1; } $result = ($longs[0] * pow(2, 32)) + $longs[1]; } } else { $result = ($longs[0] << 32) | $longs[1]; if ($signBit && !$isSigned) { $result = (($result & 0x7FFFFFFFFFFFFFFF) * 2) + ~$result + 1; } } return $result; } echo "int32:\n"; printf("%f\n", unpack_int32("\xFF\xFC\x00\x80")); printf("%f\n", unpack_int32("\xFF\xFC\x00\x80", INT_SIGNED)); printf("%f\n", unpack_int32("\xFF\xFC\x00\x80", INT_LE)); printf("%f\n", unpack_int32("\xFF\xFC\x00\x80", INT_LE | INT_SIGNED)); echo "\n"; echo "int64:\n"; printf("%f\n", unpack_int64("\xFF\xFF\xFF\xFC\x00\x00\x00\x80")); printf("%f\n", unpack_int64("\xFF\xFF\xFF\xFC\x00\x00\x00\x80", INT_SIGNED)); printf("%f\n", unpack_int64("\xFF\xFF\xFF\xFC\x00\x00\x00\x80", INT_LE)); printf("%f\n", unpack_int64("\xFF\xFF\xFF\xFC\x00\x00\x00\x80", INT_LE | INT_SIGNED));

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)
8.3.60.0100.01018.31
8.3.50.0130.00321.15
8.3.40.0060.01218.71
8.3.30.0070.01119.08
8.3.20.0040.00420.33
8.3.10.0040.00422.10
8.3.00.0080.00022.34
8.2.180.0040.01217.00
8.2.170.0070.01122.96
8.2.160.0100.00720.52
8.2.150.0040.00424.18
8.2.140.0180.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.14
8.2.110.0090.00022.19
8.2.100.0060.00619.28
8.2.90.0030.00519.17
8.2.80.0040.00419.14
8.2.70.0100.00017.63
8.2.60.0100.00018.05
8.2.50.0000.00818.07
8.2.40.0000.00818.34
8.2.30.0040.00418.11
8.2.20.0040.00417.66
8.2.10.0050.00317.86
8.2.00.0080.00017.87
8.1.280.0070.01025.92
8.1.270.0060.00320.40
8.1.260.0150.00026.35
8.1.250.0050.00328.09
8.1.240.0070.00323.88
8.1.230.0040.00719.21
8.1.220.0060.00317.79
8.1.210.0080.00018.77
8.1.200.0000.01017.48
8.1.190.0040.00417.53
8.1.180.0030.00718.81
8.1.170.0040.00418.77
8.1.160.0040.00422.10
8.1.150.0030.00618.73
8.1.140.0050.00317.38
8.1.130.0030.00317.95
8.1.120.0080.00017.56
8.1.110.0000.00717.41
8.1.100.0000.00917.39
8.1.90.0040.00417.41
8.1.80.0000.00717.43
8.1.70.0030.00317.41
8.1.60.0040.00417.53
8.1.50.0000.00817.54
8.1.40.0000.00817.56
8.1.30.0090.00017.61
8.1.20.0040.00417.71
8.1.10.0030.00517.59
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0040.00417.41
8.0.280.0040.00418.41
8.0.270.0070.00017.37
8.0.260.0030.00316.93
8.0.250.0030.00317.04
8.0.240.0040.00417.11
8.0.230.0040.00716.97
8.0.220.0000.00716.98
8.0.210.0000.00816.97
8.0.200.0000.00717.03
8.0.190.0000.00717.08
8.0.180.0090.00316.99
8.0.170.0000.00716.86
8.0.160.0030.00516.89
8.0.150.0000.00716.97
8.0.140.0000.00716.89
8.0.130.0030.00313.39
8.0.120.0000.00816.82
8.0.110.0040.00416.81
8.0.100.0040.00416.78
8.0.90.0030.00516.91
8.0.80.0060.01016.98
8.0.70.0040.00416.84
8.0.60.0000.00817.00
8.0.50.0080.00016.82
8.0.30.0090.01117.37
8.0.20.0130.00717.40
8.0.10.0020.00516.93
8.0.00.0080.01016.76
7.4.330.0000.00515.00
7.4.320.0000.00616.42
7.4.300.0070.00016.67
7.4.290.0030.00316.51
7.4.280.0040.00416.58
7.4.270.0030.00316.63
7.4.260.0070.00016.45
7.4.250.0000.00716.67
7.4.240.0030.00416.63
7.4.230.0040.00416.72
7.4.220.0100.00716.64
7.4.210.0070.00916.64
7.4.200.0000.00716.63
7.4.190.0050.00316.73
7.4.160.0130.00316.68
7.4.150.0060.01117.40
7.4.140.0120.01217.86
7.4.130.0120.00516.49
7.4.120.0120.00816.64
7.4.110.0090.00916.79
7.4.100.0090.01016.63
7.4.90.0130.00616.72
7.4.80.0100.00719.39
7.4.70.0030.01316.47
7.4.60.0070.01416.55
7.4.50.0030.00316.65
7.4.40.0100.00722.77
7.4.30.0080.00816.67
7.4.10.0030.01615.04
7.4.00.0100.00514.99
7.3.330.0000.00513.28
7.3.320.0000.00513.41
7.3.310.0040.00416.45
7.3.300.0030.00316.43
7.3.290.0090.00916.43
7.3.280.0090.00716.42
7.3.270.0120.00417.40
7.3.260.0060.01316.40
7.3.250.0120.01416.69
7.3.240.0100.00716.34
7.3.230.0090.00916.65
7.3.210.0100.01016.52
7.3.200.0160.00719.39
7.3.190.0110.00516.41
7.3.180.0110.00416.42
7.3.170.0080.00816.34
7.3.160.0130.00616.76
7.3.130.0070.01115.16
7.3.120.0070.00914.85
7.3.110.0100.00614.75
7.3.100.0060.00915.07
7.3.90.0060.00915.20
7.3.80.0060.00614.89
7.3.70.0100.00314.84
7.3.60.0060.01015.04
7.3.50.0080.00315.09
7.3.40.0070.00614.98
7.3.30.0030.01014.66
7.3.20.0000.01016.73
7.3.10.0030.01016.56
7.3.00.0050.00716.68
7.2.330.0030.01516.43
7.2.320.0100.01116.54
7.2.310.0030.01416.61
7.2.300.0130.00916.84
7.2.290.0070.01016.82
7.2.260.0080.01115.07
7.2.250.0050.01015.27
7.2.240.0000.01314.83
7.2.230.0060.01215.18
7.2.220.0090.00915.19
7.2.210.0000.01015.19
7.2.200.0140.00315.10
7.2.190.0000.01615.05
7.2.180.0070.00315.19
7.2.170.0090.00615.11
7.2.160.0100.00615.17
7.2.150.0070.00717.05
7.2.140.0040.01516.84
7.2.130.0050.00916.87
7.2.120.0100.00517.01
7.2.110.0070.00816.67
7.2.100.0060.01016.73
7.2.90.0070.00716.89
7.2.80.0100.00517.03
7.2.70.0050.00817.12
7.2.60.0090.00516.89
7.2.50.0080.00816.88
7.2.40.0070.00916.85
7.2.30.0090.00917.05
7.2.20.0040.01017.01
7.2.10.0040.01316.91
7.2.00.0090.00516.89
7.1.330.0040.01115.84
7.1.320.0070.00415.99
7.1.310.0040.01115.93
7.1.300.0060.00915.70
7.1.290.0060.00315.69
7.1.280.0060.00915.58
7.1.270.0070.00715.94
7.1.260.0000.01015.68
7.1.250.0060.00915.90
7.1.240.0040.01215.90
7.1.230.0090.00615.99
7.1.220.0030.01015.79
7.1.210.0040.01215.91
7.1.200.0060.00915.97
7.1.190.0080.00315.95
7.1.180.0000.01515.57
7.1.170.0060.00915.97
7.1.160.0090.00615.80
7.1.150.0030.01015.63
7.1.140.0140.00415.71
7.1.130.0060.00815.81
7.1.120.0070.00715.80
7.1.110.0030.00915.80
7.1.100.0050.00816.97
7.1.90.0110.00415.79
7.1.80.0040.00715.98
7.1.70.0070.00316.45
7.1.60.0070.01217.81
7.1.50.0100.00716.26
7.1.40.0030.00615.68
7.1.30.0080.00015.94
7.1.20.0040.00815.76
7.1.10.0040.00415.69
7.1.00.0050.03419.19
7.0.330.0000.01515.32
7.0.320.0060.00315.19
7.0.310.0070.00715.25
7.0.300.0130.00315.59
7.0.290.0030.01015.43
7.0.280.0070.00715.14
7.0.270.0000.01515.21
7.0.260.0070.00715.14
7.0.250.0110.00415.50
7.0.240.0110.00015.29
7.0.230.0030.00715.56
7.0.220.0090.00015.50
7.0.210.0040.00815.20
7.0.200.0050.00516.18
7.0.190.0040.00715.46
7.0.180.0060.00615.40
7.0.170.0030.00615.34
7.0.160.0080.00015.45
7.0.150.0140.00015.50
7.0.140.0020.04418.67
7.0.130.0040.00815.61
7.0.120.0000.00915.57
7.0.110.0060.00315.46
7.0.100.0060.04217.77
7.0.90.0080.02717.58
7.0.80.0090.03917.56
7.0.70.0030.03117.57
7.0.60.0030.02717.70
7.0.50.0110.04017.90
7.0.40.0050.04516.82
7.0.30.0100.04516.93
7.0.20.0070.04716.65
7.0.10.0120.04016.83
7.0.00.0080.04116.84
5.6.400.0040.00814.43
5.6.390.0080.00814.63
5.6.380.0000.01314.58
5.6.370.0000.01214.24
5.6.360.0070.00314.47
5.6.350.0000.01214.13
5.6.340.0100.00714.29
5.6.330.0030.01014.49
5.6.320.0070.00314.51
5.6.310.0000.01014.82
5.6.300.0060.01014.62
5.6.290.0040.01114.54
5.6.280.0070.03717.88
5.6.270.0090.00314.37
5.6.260.0070.00714.34
5.6.250.0090.04217.64
5.6.240.0020.03017.51
5.6.230.0070.04417.52
5.6.220.0130.03817.60
5.6.210.0030.04017.57
5.6.200.0070.04917.74
5.6.190.0060.02917.72
5.6.180.0070.04417.79
5.6.170.0120.03717.83
5.6.160.0110.03317.78
5.6.150.0070.04517.78
5.6.140.0060.04617.77
5.6.130.0080.04417.71
5.6.120.0100.03617.82
5.6.110.0070.03017.73
5.6.100.0100.04417.69
5.6.90.0050.04717.74
5.6.80.0110.03717.37
5.6.70.0030.04817.31
5.6.60.0130.03117.22
5.6.50.0050.03717.38
5.6.40.0080.03117.41
5.6.30.0020.05117.52
5.6.20.0100.03817.33
5.6.10.0120.03917.28
5.6.00.0050.02217.41
5.5.380.0070.04517.53
5.5.370.0040.03717.41
5.5.360.0030.02717.51
5.5.350.0100.04017.38
5.5.340.0110.02317.67
5.5.330.0090.03917.79
5.5.320.0080.04417.65
5.5.310.0070.03017.59
5.5.300.0070.03817.68
5.5.290.0080.04317.47
5.5.280.0110.04117.66
5.5.270.0120.03817.69
5.5.260.0110.04117.66
5.5.250.0090.04717.40
5.5.240.0050.03817.41
5.5.230.0050.03517.30
5.5.220.0050.02917.23
5.5.210.0090.02417.30
5.5.200.0050.03517.25
5.5.190.0060.04117.31
5.5.180.0070.04217.32
5.5.170.0000.01214.41
5.5.160.0030.02617.29
5.5.150.0040.04617.28
5.5.140.0080.04317.09
5.5.130.0110.04017.15
5.5.120.0070.04217.27
5.5.110.0080.04117.05
5.5.100.0030.04617.12
5.5.90.0080.03717.14
5.5.80.0080.04417.02
5.5.70.0120.04017.32
5.5.60.0050.03517.21
5.5.50.0050.04317.25
5.5.40.0100.03817.27
5.5.30.0080.04217.17
5.5.20.0110.03717.14
5.5.10.0120.04017.27
5.5.00.0090.02817.21
5.4.450.0030.04015.33
5.4.440.0080.02315.30
5.4.430.0030.04515.17
5.4.420.0070.04215.21
5.4.410.0080.03515.24
5.4.400.0050.02415.07
5.4.390.0030.02715.15
5.4.380.0030.04415.02
5.4.370.0020.03115.04
5.4.360.0040.02114.97
5.4.350.0060.02015.14
5.4.340.0030.04115.05
5.4.330.0030.00611.40
5.4.320.0100.03315.11
5.4.310.0030.04415.19
5.4.300.0080.03815.21
5.4.290.0110.03515.04
5.4.280.0080.03815.00
5.4.270.0020.04315.10
5.4.260.0080.03715.28
5.4.250.0020.04415.19
5.4.240.0070.03914.97
5.4.230.0090.03515.04
5.4.220.0000.03115.24
5.4.210.0060.02815.11
5.4.200.0070.04214.93
5.4.190.0020.03015.11
5.4.180.0070.03815.15
5.4.170.0130.03315.19
5.4.160.0070.03815.09
5.4.150.0110.02015.11
5.4.140.0050.02313.79
5.4.130.0040.04113.76
5.4.120.0050.02713.71
5.4.110.0120.02213.61
5.4.100.0080.03813.88
5.4.90.0100.03613.69
5.4.80.0070.02513.85
5.4.70.0050.03713.87
5.4.60.0060.02213.77
5.4.50.0050.02213.71
5.4.40.0050.02213.91
5.4.30.0030.02013.61
5.4.20.0050.01913.75
5.4.10.0030.02313.84
5.4.00.0030.02213.55
5.3.290.0020.04212.74
5.3.280.0070.02512.51
5.3.270.0030.04012.67
5.3.260.0030.04012.56
5.3.250.0080.03012.67
5.3.240.0030.02812.60
5.3.230.0050.02512.47
5.3.220.0050.04212.60
5.3.210.0090.04012.62
5.3.200.0030.04012.46
5.3.190.0080.03712.65
5.3.180.0050.03812.65
5.3.170.0080.04012.71
5.3.160.0030.02212.69
5.3.150.0020.02412.66
5.3.140.0040.02212.54
5.3.130.0070.01712.60
5.3.120.0030.02212.63
5.3.110.0030.02212.63
5.3.100.0070.01712.37
5.3.90.0000.02412.39
5.3.80.0020.02512.37
5.3.70.0040.03912.20
5.3.60.0020.02212.31
5.3.50.0030.02412.37
5.3.40.0030.02812.37
5.3.30.0050.01712.22
5.3.20.0050.01712.12
5.3.10.0030.01912.08
5.3.00.0040.02612.04
5.2.170.0100.02311.24
5.2.160.0100.05311.27
5.2.150.0030.03011.30
5.2.140.0030.03711.08
5.2.130.0030.03311.27
5.2.120.0000.04011.25
5.2.110.0000.04011.13
5.2.100.0000.02711.13
5.2.90.0000.02711.09
5.2.80.0070.05311.23
5.2.70.0030.03011.14
5.2.60.0070.02310.95
5.2.50.0000.03011.17
5.2.40.0070.02011.16
5.2.30.0000.04311.12
5.2.20.0000.02711.08
5.2.10.0000.03010.95
5.2.00.0000.06310.72
5.1.60.0000.02010.16
5.1.50.0030.03010.17
5.1.40.0000.03310.13
5.1.30.0030.05010.48
5.1.20.0030.02310.51
5.1.10.0100.01710.20
5.1.00.0000.02710.23
5.0.50.0000.0239.06
5.0.40.0000.0209.06
5.0.30.0030.0279.06
5.0.20.0030.0209.06
5.0.10.0030.0209.06
5.0.00.0000.0309.06
4.4.90.0030.0109.06
4.4.80.0030.0139.06
4.4.70.0030.0309.06
4.4.60.0000.0139.06
4.4.50.0000.0209.06
4.4.40.0000.0279.06
4.4.30.0000.0209.06
4.4.20.0000.0179.06
4.4.10.0030.0139.06
4.4.00.0070.0279.06
4.3.110.0070.0109.06
4.3.100.0000.0179.06
4.3.90.0000.0179.06
4.3.80.0000.0309.06
4.3.70.0030.0139.06
4.3.60.0030.0139.06
4.3.50.0000.0179.06
4.3.40.0000.0239.06
4.3.30.0000.0179.06
4.3.20.0000.0179.06
4.3.10.0030.0139.06
4.3.00.0000.0179.06

preferences:
58.37 ms | 401 KiB | 5 Q