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("\x80\x00\x00\x0F\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)
8.3.60.0110.01116.50
8.3.50.0110.00521.99
8.3.40.0090.00618.70
8.3.30.0180.00319.07
8.3.20.0060.00320.21
8.3.10.0050.00323.53
8.3.00.0070.00319.38
8.2.180.0120.00318.16
8.2.170.0120.00822.96
8.2.160.0000.01320.43
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.01026.16
8.2.120.0040.00421.97
8.2.110.0060.00322.27
8.2.100.0100.00017.78
8.2.90.0080.00019.21
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0050.00318.05
8.2.50.0080.00018.07
8.2.40.0040.00418.34
8.2.30.0080.00018.01
8.2.20.0000.00817.66
8.2.10.0060.00318.19
8.2.00.0080.00017.77
8.1.280.0000.01525.92
8.1.270.0080.00024.02
8.1.260.0150.00426.35
8.1.250.0070.01028.09
8.1.240.0030.00723.79
8.1.230.0060.00619.02
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0000.00717.28
8.1.180.0030.00618.10
8.1.170.0040.00418.71
8.1.160.0040.00422.02
8.1.150.0020.00518.56
8.1.140.0050.00217.52
8.1.130.0030.00317.79
8.1.120.0040.00417.37
8.1.110.0000.00817.46
8.1.100.0070.00017.36
8.1.90.0000.00717.46
8.1.80.0030.00517.46
8.1.70.0050.00317.42
8.1.60.0030.00617.52
8.1.50.0040.00417.45
8.1.40.0000.00717.58
8.1.30.0030.00517.61
8.1.20.0020.00517.64
8.1.10.0040.00417.49
8.1.00.0000.00817.49
8.0.300.0080.00018.77
8.0.290.0080.00017.16
8.0.280.0030.00318.34
8.0.270.0070.00017.31
8.0.260.0000.00618.36
8.0.250.0060.00016.88
8.0.240.0000.00716.87
8.0.230.0040.00416.94
8.0.220.0070.00016.91
8.0.210.0050.00316.81
8.0.200.0060.00016.98
8.0.190.0080.00016.94
8.0.180.0040.00416.94
8.0.170.0050.00316.93
8.0.160.0040.00416.93
8.0.150.0050.00316.91
8.0.140.0040.00416.89
8.0.130.0060.00013.36
8.0.120.0050.00316.84
8.0.110.0090.00016.94
8.0.100.0040.00416.74
8.0.90.0040.00416.79
8.0.80.0090.00916.96
8.0.70.0070.00016.96
8.0.60.0000.00716.96
8.0.50.0000.00716.77
8.0.30.0130.00517.02
8.0.20.0150.00317.40
8.0.10.0000.00717.07
8.0.00.0110.00616.81
7.4.330.0070.00015.09
7.4.320.0020.00516.62
7.4.300.0000.00616.39
7.4.290.0000.00716.52
7.4.280.0030.00316.50
7.4.270.0000.00716.61
7.4.260.0060.00016.43
7.4.250.0000.00816.37
7.4.240.0060.00216.54
7.4.230.0000.00716.50
7.4.220.0170.00316.70
7.4.210.0100.00616.56
7.4.200.0030.00316.58
7.4.190.0040.00416.66
7.4.160.0090.00616.32
7.4.150.0120.00417.40
7.4.140.0100.00717.86
7.4.130.0090.00916.45
7.4.120.0080.01316.60
7.4.110.0100.00716.71
7.4.100.0160.00316.52
7.4.90.0170.00016.52
7.4.80.0090.01219.39
7.4.70.0100.00516.36
7.4.60.0090.00916.55
7.4.50.0030.00616.36
7.4.40.0060.00622.77
7.4.30.0030.01316.54
7.4.00.0070.01014.81
7.3.330.0060.00213.37
7.3.320.0000.00513.20
7.3.310.0070.00016.41
7.3.300.0000.00716.31
7.3.290.0030.01016.35
7.3.280.0120.00716.37
7.3.270.0130.00617.40
7.3.260.0030.01316.48
7.3.250.0170.00316.37
7.3.240.0060.01016.29
7.3.230.0120.00616.39
7.3.210.0100.00716.44
7.3.200.0060.01219.39
7.3.190.0030.01616.51
7.3.180.0070.01516.45
7.3.170.0060.01016.66
7.3.160.0100.00716.43
7.3.120.0030.01014.85
7.2.330.0060.01216.50
7.2.320.0230.00016.45
7.2.310.0120.00316.42
7.2.300.0000.01616.42
7.2.290.0150.00616.61
7.2.60.0990.00815.13
7.2.00.0000.01219.44
7.1.100.0060.00318.26
7.1.70.0070.00017.01
7.1.60.0030.01017.24
7.1.50.0090.01517.06
7.1.00.0070.07322.54
7.0.200.0030.01316.79
7.0.140.0100.06721.97
7.0.100.0170.07020.02
7.0.90.0100.06019.99
7.0.80.0070.08319.98
7.0.70.0130.07319.92
7.0.60.0030.08720.09
7.0.50.0200.07020.42
7.0.40.0070.08720.11
7.0.30.0130.08020.00
7.0.20.0200.06720.15
7.0.10.0070.09020.08
7.0.00.0170.08019.98
5.6.280.0000.07720.84
5.6.250.0130.08020.83
5.6.240.0000.06020.61
5.6.230.0100.07720.67
5.6.220.0070.04720.59
5.6.210.0130.07320.66
5.6.200.0070.08721.10
5.6.190.0030.09021.12
5.6.180.0130.07321.05
5.6.170.0100.08321.01
5.6.160.0170.04721.09
5.6.150.0070.06321.09
5.6.140.0100.07320.96
5.6.130.0030.05721.07
5.6.120.0100.08021.00
5.6.110.0100.08020.97
5.6.100.0070.08321.17
5.6.90.0100.08321.02
5.6.80.0100.07320.48
5.6.70.0030.07720.50
5.6.60.0130.07720.34
5.6.50.0130.04320.42
5.6.40.0100.08320.51
5.6.30.0070.07720.51
5.6.20.0170.06320.39
5.6.10.0030.04320.30
5.6.00.0070.08020.39
5.5.380.0030.04320.43
5.5.370.0130.06720.41
5.5.360.0100.06320.40
5.5.350.0130.07320.44
5.5.340.0070.08320.82
5.5.330.0070.08320.86
5.5.320.0070.08320.89
5.5.310.0000.08020.79
5.5.300.0130.06720.66
5.5.290.0100.05020.77
5.5.280.0130.08320.85
5.5.270.0030.09320.93
5.5.260.0130.05020.79
5.5.250.0000.05720.74
5.5.240.0100.07020.26
5.5.230.0200.06020.29
5.5.220.0070.04720.03
5.5.210.0030.08020.13
5.5.200.0100.07020.20
5.5.190.0130.04020.25
5.5.180.0030.08320.17
5.5.160.0130.06720.24
5.5.150.0070.08320.14
5.5.140.0030.05020.09
5.5.130.0100.04320.23
5.5.120.0130.07320.09
5.5.110.0070.07020.00
5.5.100.0030.08320.03
5.5.90.0130.07320.16
5.5.80.0030.07319.96
5.5.70.0070.07720.16
5.5.60.0070.07320.05
5.5.50.0100.07020.10
5.5.40.0070.07020.02
5.5.30.0100.07719.97
5.5.20.0030.05320.16
5.5.10.0200.04320.14
5.5.00.0070.07720.06
5.4.450.0070.08319.54
5.4.440.0130.07019.37
5.4.430.0100.07019.37
5.4.420.0100.07719.20
5.4.410.0000.08019.41
5.4.400.0130.07018.85
5.4.390.0030.04019.03
5.4.380.0100.07719.05
5.4.370.0030.05018.90
5.4.360.0130.06719.12
5.4.350.0100.07318.85
5.4.340.0130.06319.03
5.4.320.0170.07019.20
5.4.310.0170.07018.85
5.4.300.0100.05719.18
5.4.290.0030.08019.03
5.4.280.0030.04718.95
5.4.270.0030.05319.12
5.4.260.0030.07018.93
5.4.250.0030.05719.24
5.4.240.0070.05019.20
5.4.230.0070.04019.02
5.4.220.0100.04319.04
5.4.210.0070.08019.09
5.4.200.0070.07719.12
5.4.190.0070.07319.08
5.4.180.0070.06718.84
5.4.170.0070.08019.04
5.4.160.0100.07318.83
5.4.150.0030.06319.23
5.4.140.0070.05316.46
5.4.130.0100.05316.39
5.4.120.0130.06716.45
5.4.110.0000.08016.48
5.4.100.0170.06316.38
5.4.90.0070.06316.34
5.4.80.0170.06016.51
5.4.70.0100.04016.54
5.4.60.0070.06716.36
5.4.50.0070.03316.25
5.4.40.0100.07016.50
5.4.30.0030.07016.33
5.4.20.0130.06316.41
5.4.10.0070.06316.47
5.4.00.0030.04315.86
5.3.290.0070.08314.61
5.3.280.0070.06714.73
5.3.270.0070.07314.71
5.3.260.0130.04714.75
5.3.250.0100.07314.63
5.3.240.0100.04714.64
5.3.230.0070.06314.68
5.3.220.0100.07714.73
5.3.210.0030.08314.59
5.3.200.0030.07314.62
5.3.190.0130.05314.64
5.3.180.0170.07014.64
5.3.170.0170.03714.56
5.3.160.0170.06014.63
5.3.150.0070.07314.70
5.3.140.0100.06314.68
5.3.130.0100.07314.68
5.3.120.0030.06314.62
5.3.110.0070.07714.57
5.3.100.0070.04014.01
5.3.90.0000.08014.04
5.3.80.0000.06314.05
5.3.70.0130.04314.03
5.3.60.0030.07314.01
5.3.50.0100.03713.97
5.3.40.0100.05313.85
5.3.30.0070.07313.81
5.3.20.0030.07713.84
5.3.10.0030.06313.79
5.3.00.0130.06313.66
5.2.170.0000.06311.15
5.2.160.0100.06011.05
5.2.150.0070.05711.17
5.2.140.0100.05711.22
5.2.130.0070.07311.05
5.2.120.0030.06311.18
5.2.110.0000.03711.18
5.2.100.0030.03711.20
5.2.90.0000.06311.12
5.2.80.0030.05011.14
5.2.70.0030.04711.12
5.2.60.0030.06711.12
5.2.50.0070.04310.93
5.2.40.0070.06011.04
5.2.30.0030.07010.97
5.2.20.0070.05711.06
5.2.10.0070.05710.74
5.2.00.0000.05310.73
5.1.60.0030.0539.92
5.1.50.0130.04710.15
5.1.40.0100.0409.99
5.1.30.0030.03310.35
5.1.20.0030.05310.35
5.1.10.0100.02310.18
5.1.00.0030.05710.10
5.0.50.0070.0338.98
5.0.40.0030.0478.98
5.0.30.0070.0578.98
5.0.20.0070.0408.98
5.0.10.0000.0478.98
5.0.00.0100.0508.98
4.4.90.0070.0308.98
4.4.80.0070.0178.98
4.4.70.0030.0338.98
4.4.60.0000.0208.98
4.4.50.0030.0338.98
4.4.40.0000.0538.98
4.4.30.0030.0338.98
4.4.20.0030.0338.98
4.4.10.0030.0338.98
4.4.00.0030.0538.98
4.3.110.0000.0378.98
4.3.100.0000.0308.98
4.3.90.0000.0378.98
4.3.80.0070.0478.98
4.3.70.0070.0308.98
4.3.60.0030.0278.98
4.3.50.0000.0378.98
4.3.40.0000.0378.98
4.3.30.0000.0338.98
4.3.20.0000.0308.98
4.3.10.0030.0308.98
4.3.00.0000.0278.98

preferences:
34.42 ms | 401 KiB | 5 Q