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("\x7F\xFF\xFF\xFF\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)
8.3.60.0090.00918.31
8.3.50.0150.00821.99
8.3.40.0040.01118.85
8.3.30.0030.01019.09
8.3.20.0000.00720.31
8.3.10.0040.00422.10
8.3.00.0080.00022.33
8.2.180.0040.01116.75
8.2.170.0130.00722.96
8.2.160.0070.00721.06
8.2.150.0070.00324.18
8.2.140.0000.00924.66
8.2.130.0000.00926.16
8.2.120.0080.00017.75
8.2.110.0030.00622.05
8.2.100.0110.00017.78
8.2.90.0050.00319.36
8.2.80.0000.01218.04
8.2.70.0090.00017.50
8.2.60.0050.00318.05
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0070.00018.13
8.2.20.0000.00717.66
8.2.10.0070.00017.67
8.2.00.0040.00417.74
8.1.280.0210.00025.92
8.1.270.0080.00022.11
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00723.92
8.1.230.0000.01119.16
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0080.00017.53
8.1.180.0050.00318.10
8.1.170.0040.00418.50
8.1.160.0000.00722.03
8.1.150.0000.00818.64
8.1.140.0000.00717.36
8.1.130.0050.00217.88
8.1.120.0030.00517.51
8.1.110.0030.00317.47
8.1.100.0080.00017.46
8.1.90.0080.00017.48
8.1.80.0030.00617.43
8.1.70.0030.00317.41
8.1.60.0040.00417.57
8.1.50.0040.00417.41
8.1.40.0040.00417.56
8.1.30.0030.00517.66
8.1.20.0000.00817.48
8.1.10.0000.00817.49
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0000.00718.33
8.0.270.0030.00317.17
8.0.260.0070.00016.70
8.0.250.0030.00316.98
8.0.240.0000.00716.97
8.0.230.0040.00416.87
8.0.220.0030.00316.87
8.0.210.0000.00716.90
8.0.200.0040.00417.02
8.0.190.0000.00717.00
8.0.180.0040.00416.80
8.0.170.0000.00816.86
8.0.160.0000.00716.78
8.0.150.0000.00716.81
8.0.140.0040.00416.74
8.0.130.0030.00613.33
8.0.120.0000.00716.76
8.0.110.0040.00416.74
8.0.100.0040.00416.79
8.0.90.0040.00416.93
8.0.80.0120.00316.91
8.0.70.0000.00816.86
8.0.60.0000.00716.80
8.0.50.0000.00716.79
8.0.30.0120.00917.25
8.0.20.0080.01017.40
8.0.10.0040.00416.89
8.0.00.0090.00916.87
7.4.330.0000.00515.03
7.4.320.0070.00016.62
7.4.300.0050.00316.52
7.4.290.0000.00816.63
7.4.280.0000.00716.45
7.4.270.0000.00716.50
7.4.260.0060.00316.52
7.4.250.0070.00016.39
7.4.240.0030.00416.52
7.4.230.0040.00416.35
7.4.220.0120.00616.54
7.4.210.0070.00716.61
7.4.200.0000.00816.68
7.4.190.0070.00016.69
7.4.160.0150.00316.64
7.4.150.0070.01617.40
7.4.140.0090.00917.86
7.4.130.0090.00816.51
7.4.120.0070.01116.47
7.4.110.0070.01016.31
7.4.100.0100.01016.46
7.4.90.0140.00316.44
7.4.80.0060.01116.40
7.4.70.0100.00716.59
7.4.60.0060.01416.55
7.4.50.0040.00416.53
7.4.40.0090.00622.77
7.4.30.0090.00816.64
7.4.00.0040.01114.93
7.3.330.0030.00313.16
7.3.320.0020.00213.38
7.3.310.0030.00316.36
7.3.300.0030.00316.36
7.3.290.0080.01116.39
7.3.280.0090.01216.37
7.3.270.0070.01517.40
7.3.260.0150.00716.48
7.3.250.0130.00716.50
7.3.240.0060.01616.57
7.3.230.0030.01616.39
7.3.210.0060.01816.54
7.3.200.0070.01119.39
7.3.190.0070.01116.62
7.3.180.0060.00916.30
7.3.170.0060.00916.53
7.3.160.0120.01016.69
7.3.120.0060.00914.79
7.3.110.0000.01714.88
7.3.100.0070.00914.74
7.3.90.0030.01014.97
7.3.80.0090.00614.87
7.3.70.0060.00614.80
7.3.60.0080.00814.86
7.3.50.0060.00914.91
7.3.40.0060.00915.01
7.3.30.0060.00914.54
7.3.20.0000.01816.77
7.3.10.0070.00716.89
7.3.00.0040.00716.77
7.2.330.0120.00416.86
7.2.320.0110.00716.38
7.2.310.0110.00816.54
7.2.300.0120.00616.84
7.2.290.0170.00016.78
7.2.240.0120.00614.94
7.2.230.0030.01314.81
7.2.220.0070.00714.97
7.2.210.0000.01215.27
7.2.200.0070.00714.93
7.2.190.0030.01315.16
7.2.180.0110.00714.86
7.2.170.0040.00815.20
7.2.160.0090.00614.75
7.2.150.0070.01016.72
7.2.140.0070.01016.93
7.2.130.0000.01517.11
7.2.120.0120.00316.86
7.2.110.0100.00617.01
7.2.100.0000.01516.74
7.2.90.0000.01317.07
7.2.80.0030.01416.60
7.2.70.0040.01417.03
7.2.60.0080.00817.11
7.2.50.0030.01216.81
7.2.40.0000.01616.98
7.2.30.0090.00316.84
7.2.20.0040.01217.08
7.2.10.0040.00817.03
7.2.00.0040.01417.00
7.1.330.0060.00915.90
7.1.320.0040.00815.96
7.1.310.0090.00915.59
7.1.300.0120.00315.69
7.1.290.0040.00815.64
7.1.280.0000.01715.80
7.1.270.0030.00715.97
7.1.260.0040.01116.04
7.1.250.0060.00915.84
7.1.200.0040.01115.59
7.1.70.0000.01017.24
7.1.60.0040.00717.38
7.1.50.0210.01834.82
7.1.00.0030.07722.41
7.0.200.0060.00616.79
7.0.140.0030.07322.22
7.0.70.0100.08321.66
7.0.60.0030.09021.86
7.0.50.0070.08022.09
7.0.40.0070.07720.01
7.0.30.0000.08320.07
7.0.20.0030.05720.10
7.0.10.0070.04320.14
7.0.00.0030.09720.09
5.6.280.0100.06020.91
5.6.220.0000.08320.69
5.6.210.0070.08320.58
5.6.200.0170.07321.15
5.6.190.0100.07720.95
5.6.180.0030.07321.10
5.6.170.0070.05021.04
5.6.160.0070.05720.97
5.6.150.0100.05721.18
5.6.140.0030.08321.13
5.6.130.0030.08721.06
5.6.120.0000.09021.02
5.6.110.0030.08720.98
5.6.100.0100.04721.16
5.6.90.0100.07720.97
5.6.80.0030.08020.41
5.6.70.0070.05020.44
5.6.60.0100.07720.39
5.6.50.0100.07020.42
5.6.40.0070.08020.50
5.6.30.0100.07320.41
5.6.20.0130.07320.47
5.6.10.0030.05720.32
5.6.00.0000.06020.38
5.5.360.0030.06020.36
5.5.350.0170.08020.37
5.5.340.0070.06720.92
5.5.330.0030.06020.75
5.5.320.0100.04320.90
5.5.310.0130.06720.92
5.5.300.0070.05320.94
5.5.290.0030.08720.64
5.5.280.0100.08320.94
5.5.270.0070.08720.66
5.5.260.0070.07320.90
5.5.250.0070.07320.69
5.5.240.0130.06320.21
5.5.230.0000.07720.04
5.5.220.0070.08020.28
5.5.210.0130.06720.16
5.5.200.0070.07020.27
5.5.190.0030.06320.16
5.5.180.0030.08720.25
5.5.160.0030.08320.16
5.5.150.0030.08020.00
5.5.140.0000.04720.23
5.5.130.0000.04320.25
5.5.120.0000.05320.15
5.5.110.0030.08020.01
5.5.100.0000.07320.07
5.5.90.0000.05720.09
5.5.80.0070.06719.99
5.5.70.0000.08020.01
5.5.60.0000.05020.07
5.5.50.0070.06020.12
5.5.40.0100.08020.16
5.5.30.0100.04319.96
5.5.20.0070.05319.95
5.5.10.0030.05320.02
5.5.00.0030.05320.09
5.4.450.0000.06719.50
5.4.440.0070.06019.27
5.4.430.0030.08319.46
5.4.420.0170.06019.36
5.4.410.0070.04019.43
5.4.400.0100.07319.04
5.4.390.0030.06719.23
5.4.380.0030.05018.87
5.4.370.0000.05718.95
5.4.360.0070.07319.23
5.4.350.0130.07019.18
5.4.340.0100.08018.88
5.4.320.0070.07018.88
5.4.310.0000.09018.86
5.4.300.0130.07319.12
5.4.290.0030.08319.15
5.4.280.0070.07319.04
5.4.270.0070.03318.87
5.4.260.0100.07718.84
5.4.250.0030.05319.22
5.4.240.0030.06019.04
5.4.230.0070.04319.04
5.4.220.0000.05319.03
5.4.210.0030.07719.02
5.4.200.0070.06019.12
5.4.190.0000.06319.02
5.4.180.0030.06319.08
5.4.170.0000.05319.05
5.4.160.0100.07019.21
5.4.150.0000.06019.07
5.4.140.0070.04716.39
5.4.130.0070.07716.39
5.4.120.0030.03716.38
5.4.110.0030.07716.56
5.4.100.0000.04316.41
5.4.90.0030.05316.41
5.4.80.0030.05016.50
5.4.70.0030.07016.33
5.4.60.0000.07316.31
5.4.50.0030.07316.44
5.4.40.0000.06316.37
5.4.30.0070.05716.39
5.4.20.0070.06016.36
5.4.10.0030.07316.25
5.4.00.0030.05715.86
5.3.290.0000.07714.66
5.3.280.0100.07014.54
5.3.270.0000.06014.59
5.3.260.0030.07714.54
5.3.250.0030.05714.67
5.3.240.0030.05014.63
5.3.230.0070.06314.67
5.3.220.0070.04314.73
5.3.210.0000.05014.50
5.3.200.0070.03714.72
5.3.190.0030.04014.56
5.3.180.0030.04314.55
5.3.170.0070.06014.50
5.3.160.0070.07314.67
5.3.150.0030.08714.61
5.3.140.0000.06314.61
5.3.130.0100.05014.49
5.3.120.0030.07714.68
5.3.110.0000.07714.57
5.3.100.0030.08014.08
5.3.90.0100.06313.99
5.3.80.0000.08014.04
5.3.70.0070.06714.12
5.3.60.0070.07313.92
5.3.50.0100.06713.90
5.3.40.0070.06713.88
5.3.30.0030.06313.95
5.3.20.0070.07313.64
5.3.10.0030.07313.66
5.3.00.0070.07013.58
5.2.170.0030.06012.27
5.2.160.0000.06312.27
5.2.150.0100.05312.27
5.2.140.0030.06712.27
5.2.130.0000.06712.27
5.2.120.0070.04312.27
5.2.110.0000.04712.27
5.2.100.0030.06312.27
5.2.90.0030.06012.27
5.2.80.0070.04312.27
5.2.70.0070.05012.27
5.2.60.0030.04312.27
5.2.50.0000.06712.27
5.2.40.0070.05712.27
5.2.30.0070.06012.27
5.2.20.0030.05012.27
5.2.10.0030.06312.27
5.2.00.0030.06012.27
5.1.60.0070.05312.27
5.1.50.0000.05312.27
5.1.40.0030.05012.27
5.1.30.0000.06312.27
5.1.20.0000.05712.27
5.1.10.0000.05712.27
5.1.00.0000.05712.27
5.0.50.0000.04712.27
5.0.40.0070.04312.27
5.0.30.0030.06712.27
5.0.20.0070.04012.27
5.0.10.0000.04712.27
5.0.00.0000.07012.27
4.4.90.0000.03312.27
4.4.80.0030.03012.27
4.4.70.0070.02712.27
4.4.60.0030.03312.27
4.4.50.0030.03312.27
4.4.40.0000.04312.27
4.4.30.0100.03012.27
4.4.20.0000.02712.27
4.4.10.0030.03012.27
4.4.00.0000.05712.27
4.3.110.0000.03712.27
4.3.100.0070.03012.27
4.3.90.0000.02312.27
4.3.80.0030.05012.27
4.3.70.0000.03312.27
4.3.60.0000.03312.27
4.3.50.0030.03312.27
4.3.40.0000.04712.27
4.3.30.0000.03712.27
4.3.20.0000.03712.27
4.3.10.0000.04012.27
4.3.00.0030.03312.27

preferences:
40.88 ms | 400 KiB | 5 Q