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 = 0; } else { $result = ($longs[0] << 32) | $longs[1]; if ($signBit && !$isSigned) { $result = (($result & 0x7FFFFFFFFFFFFFFF) * 2) + ~$result + 1; } } return $result; } var_dump(unpack_int64("\x00\x00\x00\x00\xFF\xFF\xFF\xFF"));

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)
8.3.60.0090.00618.43
8.3.50.0110.00522.05
8.3.40.0090.00618.70
8.3.30.0100.00718.71
8.3.20.0060.00318.63
8.3.10.0080.00019.51
8.3.00.0080.00023.56
8.2.180.0090.01316.38
8.2.170.0190.00322.96
8.2.160.0110.01120.39
8.2.150.0090.00924.18
8.2.140.0080.00024.66
8.2.130.0110.00726.16
8.2.120.0070.01019.66
8.2.110.0060.00320.56
8.2.100.0040.00817.91
8.2.90.0000.00819.30
8.2.80.0000.00718.05
8.2.70.0030.00617.63
8.2.60.0030.00517.93
8.2.50.0080.00018.07
8.2.40.0000.00818.22
8.2.30.0080.00021.13
8.2.20.0000.00717.79
8.2.10.0030.00517.82
8.2.00.0090.00317.74
8.1.280.0150.00325.92
8.1.270.0130.00323.99
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0060.00322.45
8.1.230.0060.00620.87
8.1.220.0060.00318.77
8.1.210.0050.00318.96
8.1.200.0100.00017.35
8.1.190.0000.00717.40
8.1.180.0000.00818.10
8.1.170.0050.00318.49
8.1.160.0000.00818.89
8.1.150.0080.00018.63
8.1.140.0030.00617.52
8.1.130.0030.00317.71
8.1.120.0070.00317.36
8.1.110.0030.00517.34
8.1.100.0040.00417.48
8.1.90.0000.00717.36
8.1.80.0000.00817.37
8.1.70.0030.00317.45
8.1.60.0000.00817.60
8.1.50.0000.00817.38
8.1.40.0040.00717.43
8.1.30.0040.00417.67
8.1.20.0000.00817.53
8.1.10.0060.00317.49
8.1.00.0080.00017.52
8.0.300.0050.00319.76
8.0.290.0030.00617.05
8.0.280.0000.00718.38
8.0.270.0030.00317.18
8.0.260.0030.00516.82
8.0.250.0070.00017.02
8.0.240.0040.00416.97
8.0.230.0030.00316.84
8.0.220.0040.00416.94
8.0.210.0040.00416.87
8.0.200.0000.00716.96
8.0.190.0040.00416.98
8.0.180.0000.00716.89
8.0.170.0000.00816.94
8.0.160.0000.00716.95
8.0.150.0070.00016.84
8.0.140.0000.00716.79
8.0.130.0000.00513.33
8.0.120.0030.00516.88
8.0.110.0040.00416.81
8.0.100.0040.00416.71
8.0.90.0050.00316.92
8.0.80.0060.01016.89
8.0.70.0040.00416.73
8.0.60.0040.00416.78
8.0.50.0040.00416.96
8.0.30.0130.00816.98
8.0.20.0170.00217.40
8.0.10.0070.00016.87
8.0.00.0130.00516.79
7.4.330.0000.00514.76
7.4.320.0000.00616.50
7.4.300.0030.00316.61
7.4.290.0030.00316.61
7.4.280.0070.00016.59
7.4.270.0070.00016.67
7.4.260.0050.00013.18
7.4.250.0070.00016.54
7.4.240.0040.00416.48
7.4.230.0030.00616.32
7.4.220.0060.01216.54
7.4.210.0070.00716.60
7.4.200.0030.00316.58
7.4.190.0000.00716.70
7.4.160.0100.00716.68
7.4.150.0120.01217.40
7.4.140.0110.00817.86
7.4.130.0100.00816.49
7.4.120.0080.00916.41
7.4.110.0150.00316.63
7.4.100.0060.01216.57
7.4.90.0070.01016.57
7.4.80.0090.01319.39
7.4.70.0080.00816.42
7.4.60.0060.00916.64
7.4.50.0030.00316.30
7.4.40.0070.00722.52
7.4.30.0050.01516.65
7.4.00.0120.00315.11
7.3.330.0030.00313.31
7.3.320.0050.00013.45
7.3.310.0060.00316.41
7.3.300.0000.00716.39
7.3.290.0030.01416.29
7.3.280.0080.00716.31
7.3.270.0130.00417.40
7.3.260.0130.00718.24
7.3.250.0130.00616.42
7.3.240.0110.00516.55
7.3.230.0100.00716.39
7.3.210.0140.00316.43
7.3.200.0080.00819.39
7.3.190.0060.01616.63
7.3.180.0090.00616.46
7.3.170.0000.01716.60
7.3.160.0080.00816.41
7.3.120.0060.00614.72
7.2.330.0140.00416.81
7.2.320.0170.00016.61
7.2.310.0120.00616.36
7.2.300.0130.00316.77
7.2.290.0140.00516.83
7.2.60.0040.00717.05
7.2.00.0060.00619.60
7.1.200.0000.00915.86
7.1.100.0030.01018.16
7.1.70.0000.00917.24
7.1.60.0060.00617.32
7.1.50.0080.00416.79
7.1.00.0030.04022.45
7.0.200.0060.01016.80
7.0.140.0100.06722.07
7.0.70.0030.08321.70
7.0.60.0000.06721.86
7.0.50.0130.07322.06
7.0.40.0100.08320.08
7.0.30.0030.05320.13
7.0.20.0100.07720.11
7.0.10.0030.08720.08
7.0.00.0070.08320.08
5.6.220.0030.07320.69
5.6.210.0000.07020.78
5.6.200.0030.08021.04
5.6.190.0070.08321.05
5.6.180.0030.08021.06
5.6.170.0000.05021.15
5.6.160.0030.08720.96
5.6.150.0070.08020.98
5.6.140.0000.06720.97
5.6.130.0030.04021.09
5.6.120.0100.07321.08
5.6.110.0030.07721.18
5.6.100.0000.06021.17
5.6.90.0100.06721.08
5.6.80.0070.07320.43
5.6.70.0000.08320.43
5.6.60.0000.08720.43
5.6.50.0030.07720.50
5.6.40.0070.04020.45
5.6.30.0030.08020.51
5.6.20.0100.07020.54
5.6.10.0070.05320.41
5.6.00.0030.06320.52
5.5.360.0030.08720.55
5.5.350.0030.08320.46
5.5.340.0100.07720.73
5.5.330.0070.08720.94
5.5.320.0070.07320.86
5.5.310.0000.08320.77
5.5.300.0070.08320.93
5.5.290.0030.08720.84
5.5.280.0030.07020.77
5.5.270.0000.08720.93
5.5.260.0070.08320.80
5.5.250.0030.09020.60
5.5.240.0100.07020.30
5.5.230.0070.07020.27
5.5.220.0100.07720.31
5.5.210.0070.07720.29
5.5.200.0130.06720.01
5.5.190.0030.08020.13
5.5.180.0030.07720.20
5.5.160.0100.07320.25
5.5.150.0070.07319.97
5.5.140.0130.06320.25
5.5.130.0000.08320.23
5.5.120.0070.07720.16
5.5.110.0030.05020.22
5.5.100.0030.08020.20
5.5.90.0170.06319.98
5.5.80.0030.05320.11
5.5.70.0070.07020.16
5.5.60.0000.07720.08
5.5.50.0100.07720.16
5.5.40.0070.05020.12
5.5.30.0030.07720.18
5.5.20.0030.06320.01
5.5.10.0100.07320.08
5.5.00.0030.06720.08
5.4.450.0070.08319.46
5.4.440.0100.04719.47
5.4.430.0030.08319.20
5.4.420.0100.07319.37
5.4.410.0030.08019.23
5.4.400.0000.08018.85
5.4.390.0000.07019.21
5.4.380.0030.08018.87
5.4.370.0030.07019.04
5.4.360.0100.05719.13
5.4.350.0070.06719.00
5.4.340.0030.08019.14
5.4.320.0000.08019.03
5.4.310.0070.06719.13
5.4.300.0070.07019.12
5.4.290.0000.07019.03
5.4.280.0030.08019.24
5.4.270.0070.07018.90
5.4.260.0030.05318.84
5.4.250.0100.07019.04
5.4.240.0030.08019.22
5.4.230.0070.07319.12
5.4.220.0030.07718.89
5.4.210.0070.07719.05
5.4.200.0000.06019.20
5.4.190.0070.07319.03
5.4.180.0000.08018.89
5.4.170.0030.05319.13
5.4.160.0030.08319.16
5.4.150.0030.07718.93
5.4.140.0070.07316.50
5.4.130.0070.07016.50
5.4.120.0230.06016.48
5.4.110.0030.07716.51
5.4.100.0000.07316.48
5.4.90.0030.07016.56
5.4.80.0030.03716.52
5.4.70.0000.06716.43
5.4.60.0030.07716.40
5.4.50.0000.04016.43
5.4.40.0070.07016.54
5.4.30.0030.07316.35
5.4.20.0070.07016.46
5.4.10.0000.04316.36
5.4.00.0000.03715.91
5.3.290.0000.08314.74
5.3.280.0000.06314.68
5.3.270.0030.08014.55
5.3.260.0070.05714.64
5.3.250.0030.05014.72
5.3.240.0030.07714.73
5.3.230.0070.07714.61
5.3.220.0070.06314.64
5.3.210.0070.05314.54
5.3.200.0030.06014.72
5.3.190.0030.05314.70
5.3.180.0030.06014.57
5.3.170.0100.07014.53
5.3.160.0100.06714.54
5.3.150.0000.04714.57
5.3.140.0070.03714.54
5.3.130.0000.08014.58
5.3.120.0000.08014.48
5.3.110.0070.07314.49
5.3.100.0000.03713.94
5.3.90.0030.07714.07
5.3.80.0000.03714.09
5.3.70.0030.03314.15
5.3.60.0130.02314.02
5.3.50.0030.07713.89
5.3.40.0100.06313.98
5.3.30.0070.04314.02
5.3.20.0070.04713.80
5.3.10.0000.05713.56
5.3.00.0000.07313.76
5.2.170.0030.06312.16
5.2.160.0100.04012.16
5.2.150.0000.06312.16
5.2.140.0030.06012.16
5.2.130.0070.03012.16
5.2.120.0000.06312.16
5.2.110.0000.05712.16
5.2.100.0030.04712.16
5.2.90.0030.03012.16
5.2.80.0070.02312.16
5.2.70.0000.06312.16
5.2.60.0030.06012.16
5.2.50.0030.04712.16
5.2.40.0070.05312.16
5.2.30.0030.06312.16
5.2.20.0000.04012.16
5.2.10.0000.06712.16
5.2.00.0000.06012.16
5.1.60.0030.05712.16
5.1.50.0000.04712.16
5.1.40.0100.04712.16
5.1.30.0030.04012.16
5.1.20.0000.05712.16
5.1.10.0000.05012.16
5.1.00.0000.05712.16
5.0.50.0000.04312.16
5.0.40.0000.05012.16
5.0.30.0000.06712.16
5.0.20.0000.04312.16
5.0.10.0000.04312.16
5.0.00.0030.06312.16
4.4.90.0030.03312.16
4.4.80.0030.03312.16
4.4.70.0000.03712.16
4.4.60.0000.03012.16
4.4.50.0070.02012.16
4.4.40.0000.05312.16
4.4.30.0070.03712.16
4.4.20.0030.02712.16
4.4.10.0000.03312.16
4.4.00.0000.06012.16
4.3.110.0030.02312.16
4.3.100.0000.03712.16
4.3.90.0000.03712.16
4.3.80.0000.05012.16
4.3.70.0000.02712.16
4.3.60.0030.03312.16
4.3.50.0000.03712.16
4.3.40.0030.04012.16
4.3.30.0030.02312.16
4.3.20.0000.02312.16
4.3.10.0030.02712.16
4.3.00.0030.01712.16

preferences:
45.9 ms | 401 KiB | 5 Q