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*', $str)); var_dump($longs); $signBit = (bool) ($longs[0] & 0x80000000); $isSigned = (bool) ($flags & INT_SIGNED); if (!is32Bit()) { $result = ($longs[0] << 32) | $longs[1]; if ($signBit && !$isSigned) { $result = (($result & 0x7FFFFFFFFFFFFFFF) * 2) + ~$result + 1; } } else { $result = 0; } return $result; } var_dump(unpack_int64("\x00\x00\x00\x00\x00\x00\x00\x01"));

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)
8.3.60.0170.00318.31
8.3.50.0090.00622.03
8.3.40.0070.00718.71
8.3.30.0060.00919.05
8.3.20.0040.00420.39
8.3.10.0040.00421.95
8.3.00.0080.00022.39
8.2.180.0110.01116.63
8.2.170.0080.01122.96
8.2.160.0070.00720.93
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00819.38
8.2.110.0000.01022.25
8.2.100.0120.00017.72
8.2.90.0030.00519.17
8.2.80.0000.00818.05
8.2.70.0110.00017.63
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0040.00418.02
8.2.20.0000.00717.71
8.2.10.0050.00217.89
8.2.00.0080.00017.79
8.1.280.0030.01025.92
8.1.270.0080.00023.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.62
8.1.230.0070.00419.14
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0090.00317.35
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0100.00021.98
8.1.150.0000.00718.57
8.1.140.0030.00517.45
8.1.130.0000.00817.83
8.1.120.0050.00217.50
8.1.110.0040.00417.34
8.1.100.0050.00217.37
8.1.90.0000.00717.35
8.1.80.0030.00517.39
8.1.70.0000.00717.45
8.1.60.0040.00417.60
8.1.50.0030.00617.53
8.1.40.0040.00417.55
8.1.30.0090.00017.64
8.1.20.0000.00817.57
8.1.10.0000.00717.46
8.1.00.0080.00017.53
8.0.300.0000.00718.77
8.0.290.0090.00017.16
8.0.280.0040.00418.51
8.0.270.0040.00417.26
8.0.260.0070.00016.77
8.0.250.0030.00316.86
8.0.240.0020.00517.00
8.0.230.0000.00716.84
8.0.220.0000.00816.85
8.0.210.0030.00316.92
8.0.200.0000.00716.92
8.0.190.0030.00516.89
8.0.180.0050.00316.91
8.0.170.0090.00016.98
8.0.160.0000.00716.90
8.0.150.0040.00416.84
8.0.140.0000.00816.89
8.0.130.0050.00013.31
8.0.120.0000.00816.88
8.0.110.0000.00716.73
8.0.100.0040.00416.85
8.0.90.0040.00416.89
8.0.80.0110.00416.91
8.0.70.0070.00016.77
8.0.60.0000.00717.01
8.0.50.0040.00416.78
8.0.30.0110.00917.07
8.0.20.0130.00517.42
8.0.10.0080.00017.07
8.0.00.0120.00716.67
7.4.330.0050.00015.00
7.4.320.0030.00316.59
7.4.300.0060.00016.45
7.4.290.0040.00416.58
7.4.280.0040.00416.61
7.4.270.0090.00016.50
7.4.260.0030.00616.49
7.4.250.0020.00516.55
7.4.240.0020.00516.46
7.4.230.0000.00716.41
7.4.220.0140.00416.62
7.4.210.0030.01116.60
7.4.200.0000.00716.35
7.4.190.0000.00716.66
7.4.160.0030.01216.27
7.4.150.0130.00617.40
7.4.140.0130.01017.86
7.4.130.0100.00716.56
7.4.120.0080.00916.68
7.4.110.0090.00916.56
7.4.100.0160.00316.59
7.4.90.0110.00816.58
7.4.80.0120.00819.39
7.4.70.0080.01116.71
7.4.60.0030.01316.40
7.4.50.0040.00416.60
7.4.40.0090.00622.77
7.4.30.0060.01016.39
7.4.00.0050.01214.91
7.3.330.0000.00513.36
7.3.320.0050.00013.34
7.3.310.0000.00716.34
7.3.300.0040.00416.29
7.3.290.0040.01116.44
7.3.280.0060.01016.40
7.3.270.0140.00417.40
7.3.260.0100.01416.65
7.3.250.0100.01016.51
7.3.240.0090.00816.50
7.3.230.0110.00616.39
7.3.210.0070.01716.56
7.3.200.0120.00619.39
7.3.190.0130.01016.34
7.3.180.0110.00716.49
7.3.170.0110.00616.44
7.3.160.0050.01316.35
7.3.120.0120.00314.64
7.3.110.0110.00714.85
7.3.100.0060.00914.66
7.3.90.0120.00014.83
7.3.80.0030.01214.89
7.3.70.0030.01014.72
7.3.60.0090.00614.95
7.3.50.0030.00914.79
7.3.40.0040.00814.75
7.3.30.0030.00714.85
7.3.20.0070.00716.58
7.3.10.0030.01016.74
7.3.00.0090.00416.59
7.2.330.0120.00616.52
7.2.320.0130.00716.52
7.2.310.0060.01216.48
7.2.300.0100.00716.61
7.2.290.0110.00516.56
7.2.250.0000.01715.14
7.2.240.0120.00615.35
7.2.230.0110.00715.27
7.2.220.0130.00315.26
7.2.210.0040.01115.34
7.2.200.0000.01514.90
7.2.190.0070.00715.06
7.2.180.0070.00415.07
7.2.170.0070.01014.87
7.2.130.0150.00617.10
7.2.120.0000.01016.94
7.2.110.0050.01316.95
7.2.100.0060.00617.00
7.2.90.0060.00617.09
7.2.80.0120.00616.48
7.2.70.0060.00616.85
7.2.60.0060.01016.91
7.2.50.0040.01116.93
7.2.40.0030.00917.01
7.2.30.0030.00716.56
7.2.20.0060.00617.11
7.2.10.0030.01016.84
7.2.00.0050.00918.07
7.1.330.0040.01215.84
7.1.320.0030.01315.79
7.1.310.0040.00715.76
7.1.300.0030.00915.86
7.1.290.0000.01215.69
7.1.280.0040.01115.54
7.1.270.0070.00715.86
7.1.260.0100.00715.66
7.1.250.0120.00815.74
7.1.200.0040.00415.73
7.1.100.0060.00918.30
7.1.70.0050.00217.29
7.1.60.0040.01519.82
7.1.50.0060.00616.78
7.1.00.0030.07722.30
7.0.200.0070.00516.69
7.0.140.0000.07721.98
7.0.80.0100.07321.82
7.0.70.0030.09021.82
7.0.60.0030.08321.80
7.0.50.0100.07721.97
7.0.40.0070.08020.04
7.0.30.0070.08020.12
7.0.20.0070.05320.05
7.0.10.0130.06320.00
7.0.00.0030.06720.16
5.6.280.0130.06321.11
5.6.230.0070.07720.63
5.6.220.0070.05020.59
5.6.210.0070.08320.48
5.6.200.0030.08321.13
5.6.190.0000.08721.04
5.6.180.0130.05721.05
5.6.170.0070.06321.12
5.6.160.0100.07721.19
5.6.150.0000.06020.98
5.6.140.0070.07021.10
5.6.130.0070.08721.04
5.6.120.0100.08021.11
5.6.110.0100.08321.04
5.6.100.0000.09321.05
5.6.90.0000.08721.03
5.6.80.0070.07020.50
5.6.70.0070.04320.43
5.6.60.0170.07020.34
5.6.50.0070.04320.42
5.6.40.0100.08020.48
5.6.30.0100.08020.45
5.6.20.0130.06320.45
5.6.10.0000.04720.38
5.6.00.0070.08020.28
5.5.370.0030.08720.56
5.5.360.0070.04320.41
5.5.350.0030.06020.48
5.5.340.0070.04720.92
5.5.330.0030.05320.78
5.5.320.0000.08720.94
5.5.310.0070.08720.93
5.5.300.0130.07320.90
5.5.290.0030.05020.79
5.5.280.0130.07320.66
5.5.270.0070.05720.92
5.5.260.0000.05720.91
5.5.250.0030.08720.68
5.5.240.0070.07320.18
5.5.230.0130.08720.04
5.5.220.0030.08020.29
5.5.210.0100.06720.32
5.5.200.0030.05720.20
5.5.190.0000.05020.16
5.5.180.0130.06720.14
5.5.160.0030.08720.25
5.5.150.0000.07720.23
5.5.140.0030.04320.25
5.5.130.0170.06020.18
5.5.120.0130.07020.25
5.5.110.0000.09020.24
5.5.100.0030.07720.09
5.5.90.0070.08020.04
5.5.80.0170.07720.14
5.5.70.0000.07720.02
5.5.60.0000.05320.08
5.5.50.0070.07320.17
5.5.40.0000.06020.07
5.5.30.0030.07720.12
5.5.20.0070.06720.06
5.5.10.0030.05720.05
5.5.00.0070.08019.98
5.4.450.0100.07719.49
5.4.440.0100.05719.49
5.4.430.0030.04719.36
5.4.420.0030.06019.41
5.4.410.0070.04319.23
5.4.400.0070.04019.04
5.4.390.0070.07719.00
5.4.380.0100.03719.03
5.4.370.0100.07719.13
5.4.360.0000.08019.18
5.4.350.0100.07019.23
5.4.340.0070.08019.14
5.4.320.0270.06319.03
5.4.310.0000.08018.89
5.4.300.0030.07318.86
5.4.290.0030.08019.09
5.4.280.0100.06319.02
5.4.270.0100.07719.18
5.4.260.0270.07718.85
5.4.250.0030.07319.18
5.4.240.0000.06319.09
5.4.230.0000.06019.05
5.4.220.0000.07718.84
5.4.210.0130.06718.87
5.4.200.0000.07319.04
5.4.190.0100.06719.04
5.4.180.0100.07019.23
5.4.170.0070.05719.05
5.4.160.0100.04019.02
5.4.150.0000.07318.92
5.4.140.0070.07016.47
5.4.130.0030.06016.50
5.4.120.0070.07016.39
5.4.110.0100.07016.39
5.4.100.0100.04716.45
5.4.90.0070.07016.55
5.4.80.0000.08716.46
5.4.70.0070.04016.36
5.4.60.0070.07016.31
5.4.50.0130.03316.39
5.4.40.0130.06716.41
5.4.30.0170.05716.44
5.4.20.0000.04316.48
5.4.10.0030.06716.52
5.4.00.0000.05015.89
5.3.290.0030.07714.61
5.3.280.0200.03314.75
5.3.270.0070.07314.71
5.3.260.0070.06014.61
5.3.250.0230.05714.59
5.3.240.0030.07714.71
5.3.230.0070.05314.61
5.3.220.0030.07014.70
5.3.210.0030.07314.53
5.3.200.0130.06714.64
5.3.190.0030.07014.54
5.3.180.0000.04714.50
5.3.170.0100.07014.64
5.3.160.0030.04314.59
5.3.150.0100.06014.69
5.3.140.0070.05314.51
5.3.130.0170.06714.67
5.3.120.0100.07314.54
5.3.110.0030.08014.59
5.3.100.0000.08014.01
5.3.90.0100.06714.00
5.3.80.0100.07014.18
5.3.70.0000.06314.09
5.3.60.0030.05313.90
5.3.50.0000.05013.94
5.3.40.0130.06713.89
5.3.30.0300.03713.91
5.3.20.0070.07013.80
5.3.10.0070.06713.60
5.3.00.0030.07013.63
5.2.170.0030.04011.68
5.2.160.0070.05711.68
5.2.150.0000.06711.68
5.2.140.0070.05711.68
5.2.130.0000.06311.68
5.2.120.0030.04711.68
5.2.110.0000.06711.68
5.2.100.0030.06711.68
5.2.90.0030.06311.68
5.2.80.0000.06711.68
5.2.70.0030.04711.68
5.2.60.0070.05711.68
5.2.50.0030.05011.68
5.2.40.0030.06011.68
5.2.30.0000.06011.68
5.2.20.0000.06311.68
5.2.10.0070.06011.68
5.2.00.0030.04311.68
5.1.60.0000.04011.68
5.1.50.0030.05011.68
5.1.40.0030.05011.68
5.1.30.0030.05311.68
5.1.20.0000.04011.68
5.1.10.0030.05311.68
5.1.00.0100.04711.68
5.0.50.0000.04311.68
5.0.40.0070.03711.68
5.0.30.0030.04711.68
5.0.20.0030.03711.68
5.0.10.0070.04011.68
5.0.00.0000.06711.68
4.4.90.0070.01311.68
4.4.80.0030.01711.68
4.4.70.0000.04011.68
4.4.60.0000.03711.68
4.4.50.0030.02711.68
4.4.40.0000.03711.68
4.4.30.0030.03311.68
4.4.20.0000.03311.68
4.4.10.0000.03711.68
4.4.00.0000.04011.68
4.3.110.0000.02711.68
4.3.100.0000.03711.68
4.3.90.0030.03011.68
4.3.80.0000.05011.68
4.3.70.0030.01711.68
4.3.60.0000.03311.68
4.3.50.0000.04011.68
4.3.40.0000.03711.68
4.3.30.0000.03711.68
4.3.20.0000.02311.68
4.3.10.0030.03711.68
4.3.00.0000.02711.68

preferences:
46.55 ms | 401 KiB | 5 Q