3v4l.org

run code in 300+ PHP versions simultaneously
<?php function strToHex($string) { $hex=''; for ($i=0; $i < strlen($string); $i++) { $hex .= dechex(ord($string[$i])); } return $hex; } function hexToStr($hex) { $string=''; for ($i=0; $i < strlen($hex)-1; $i+=2) { $string .= chr(hexdec($hex[$i].$hex[$i+1])); } return $string; } $test = "ffff:eeee:dddd:cccc:bbbb:aaaa:9999:8888"; $testParts = explode(':', $test); $testHex = array(); foreach($testParts as $testPart){ array_push($testHex, strToHex($testPart)); //echo strToHex($testPart) . "<br>\n"; } $packed = pack('H*', $testParts[0], $testParts[1], $testParts[2], $testParts[3], $testParts[4], $testParts[5], $testParts[6], $testParts[7]); $unpacked = unpack('H*', $packed); $unpackedString = array(); //var_dump($testParts); //var_dump($testHex); var_dump($packed); var_dump($unpacked); foreach($unpacked as $unpack){ array_push($unpackedString, $unpack); } echo implode(':', $unpackedString); ?>

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
8.3.50.0120.00621.99
8.3.40.0060.00918.67
8.3.30.0090.01320.34
8.3.20.0070.00020.39
8.3.10.0030.00522.09
8.3.00.0050.00322.34
8.2.180.0170.00316.88
8.2.170.0070.00722.96
8.2.160.0030.01022.19
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0080.00017.50
8.2.110.0040.00422.25
8.2.100.0040.00817.97
8.2.90.0040.00419.34
8.2.80.0050.00219.40
8.2.70.0050.00317.75
8.2.60.0050.00318.05
8.2.50.0030.00518.07
8.2.40.0000.00818.19
8.2.30.0050.00517.93
8.2.20.0000.00717.88
8.2.10.0000.00717.75
8.2.00.0040.00417.75
8.1.280.0170.00325.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.88
8.1.230.0070.00419.04
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0060.00317.42
8.1.180.0050.00319.01
8.1.170.0000.00818.64
8.1.160.0000.00720.97
8.1.150.0000.00818.60
8.1.140.0000.00717.47
8.1.130.0000.00717.76
8.1.120.0000.00717.46
8.1.110.0030.00517.33
8.1.100.0030.00317.53
8.1.90.0000.00717.45
8.1.80.0040.00417.31
8.1.70.0000.00717.48
8.1.60.0030.00517.61
8.1.50.0000.00717.45
8.1.40.0060.00317.55
8.1.30.0000.00717.55
8.1.20.0000.00817.66
8.1.10.0040.00417.49
8.1.00.0000.00817.50
8.0.300.0070.00018.77
8.0.290.0030.00617.28
8.0.280.0000.00818.52
8.0.270.0070.00017.27
8.0.260.0030.00316.82
8.0.250.0070.00017.00
8.0.240.0000.00816.95
8.0.230.0030.00316.93
8.0.220.0070.00016.89
8.0.210.0030.00316.94
8.0.200.0070.00016.97
8.0.190.0000.00816.95
8.0.180.0000.00716.98
8.0.170.0080.00016.89
8.0.160.0000.00716.97
8.0.150.0000.00717.02
8.0.140.0040.00416.86
8.0.130.0000.00513.38
8.0.120.0000.00816.87
8.0.110.0040.00416.89
8.0.100.0050.00216.86
8.0.90.0070.00016.80
8.0.80.0060.00917.04
8.0.70.0040.00417.09
8.0.60.0040.00416.95
8.0.50.0040.00417.02
8.0.30.0090.00917.20
8.0.20.0130.00517.40
8.0.10.0050.00217.04
8.0.00.0070.01216.80
7.4.330.0000.00615.00
7.4.320.0070.00016.51
7.4.300.0000.00616.55
7.4.290.0070.00316.66
7.4.280.0030.00316.65
7.4.270.0000.00816.63
7.4.260.0040.00413.30
7.4.250.0000.00716.41
7.4.240.0000.00716.55
7.4.230.0070.00016.71
7.4.220.0060.01316.49
7.4.210.0120.00616.60
7.4.200.0000.00716.50
7.4.190.0030.00516.52
7.4.160.0060.00916.70
7.4.150.0130.01217.40
7.4.140.0160.00517.86
7.4.130.0070.01116.48
7.4.120.0080.00916.58
7.4.110.0060.02016.50
7.4.100.0070.01016.51
7.4.90.0090.00916.83
7.4.80.0140.00519.39
7.4.70.0080.00916.55
7.4.60.0060.01016.54
7.4.50.0000.00816.54
7.4.40.0060.00622.77
7.4.30.0110.00816.55
7.4.00.0070.00715.25
7.3.330.0030.00213.28
7.3.320.0050.00013.38
7.3.310.0050.00316.46
7.3.300.0030.00316.30
7.3.290.0040.01116.38
7.3.280.0090.00816.47
7.3.270.0150.00417.40
7.3.260.0040.01416.52
7.3.250.0120.00416.48
7.3.240.0100.00616.44
7.3.230.0060.01016.64
7.3.210.0100.01316.55
7.3.200.0060.01519.39
7.3.190.0080.00916.32
7.3.180.0100.01016.62
7.3.170.0100.00716.46
7.3.160.0110.00516.52
7.3.120.0070.00415.13
7.2.330.0140.00316.52
7.2.320.0140.00416.70
7.2.310.0080.00816.74
7.2.300.0070.01716.68
7.2.290.0080.01216.84
7.1.200.0040.00415.68
7.1.70.0030.00617.35
7.1.60.0160.00919.32
7.1.50.0140.00716.93
7.1.00.0000.03722.51
7.0.200.0130.00314.75
7.0.140.0030.07321.93
7.0.100.0100.05320.01
7.0.90.0030.07720.00
7.0.80.0030.05319.91
7.0.70.0170.06720.00
7.0.60.0030.08719.90
7.0.50.0030.07720.37
7.0.40.0100.03720.10
7.0.30.0130.03020.11
7.0.20.0100.06720.18
7.0.10.0100.04020.17
7.0.00.0030.04720.07
5.6.280.0030.06321.10
5.6.250.0300.05020.76
5.6.240.0100.08320.64
5.6.230.0100.04020.50
5.6.220.0170.07320.68
5.6.210.0170.07720.49
5.6.200.0230.06720.95
5.6.190.0100.04321.06
5.6.180.0170.05321.05
5.6.170.0100.07321.10
5.6.160.0100.04320.97
5.6.150.0130.07021.02
5.6.140.0000.05321.00
5.6.130.0130.07721.17
5.6.120.0130.03021.05
5.6.110.0030.08321.11
5.6.100.0070.08320.95
5.6.90.0100.08020.93
5.6.80.0100.07720.42
5.6.70.0070.08020.41
5.6.60.0030.04720.41
5.6.50.0030.06720.50
5.6.40.0130.07320.43
5.6.30.0130.07020.46
5.6.20.0200.04020.45
5.6.10.0000.06720.30
5.6.00.0100.07320.39
5.5.380.0130.04320.57
5.5.370.0130.05720.50
5.5.360.0100.07720.37
5.5.350.0100.06720.43
5.5.340.0100.08720.75
5.5.330.0070.08020.92
5.5.320.0030.08720.75
5.5.310.0130.07720.90
5.5.300.0030.06020.93
5.5.290.0030.08720.94
5.5.280.0030.07720.89
5.5.270.0100.08020.80
5.5.260.0070.08320.80
5.5.250.0070.05020.64
5.5.240.0170.04020.29
5.5.230.0070.06320.26
5.5.220.0130.08020.29
5.5.210.0070.06720.32
5.5.200.0070.05020.16
5.5.190.0070.04720.13
5.5.180.0030.06020.09
5.5.160.0170.03720.14
5.5.150.0230.06020.11
5.5.140.0070.07720.27
5.5.130.0070.04320.00
5.5.120.0030.04320.12
5.5.110.0030.06720.11
5.5.100.0070.07720.17
5.5.90.0100.04320.12
5.5.80.0030.04320.10
5.5.70.0030.04020.10
5.5.60.0070.07020.16
5.5.50.0030.04720.09
5.5.40.0070.07320.16
5.5.30.0000.08720.14
5.5.20.0030.06320.15
5.5.10.0100.07720.06
5.5.00.0100.05020.03
5.4.450.0100.07319.45
5.4.440.0070.07319.45
5.4.430.0100.07719.55
5.4.420.0070.04319.17
5.4.410.0100.07719.44
5.4.400.0100.08319.07
5.4.390.0100.08019.12
5.4.380.0070.07719.13
5.4.370.0100.04019.04
5.4.360.0030.08019.03
5.4.350.0030.06718.87
5.4.340.0070.06319.16
5.4.320.0130.07319.13
5.4.310.0070.04018.90
5.4.300.0030.04719.16
5.4.290.0200.05319.12
5.4.280.0100.06019.10
5.4.270.0100.07319.09
5.4.260.0000.08318.84
5.4.250.0100.03319.04
5.4.240.0030.08319.18
5.4.230.0070.05719.22
5.4.220.0070.06719.16
5.4.210.0030.05719.22
5.4.200.0130.04319.14
5.4.190.0100.03319.14
5.4.180.0130.07319.02
5.4.170.0070.07319.03
5.4.160.0130.07019.12
5.4.150.0070.06019.11
5.4.140.0170.06016.46
5.4.130.0100.04016.50
5.4.120.0100.05316.46
5.4.110.0070.04316.52
5.4.100.0100.03016.44
5.4.90.0100.03016.45
5.4.80.0070.06316.40
5.4.70.0130.05316.54
5.4.60.0170.05316.42
5.4.50.0100.06716.33
5.4.40.0070.06716.37
5.4.30.0100.03716.33
5.4.20.0170.05716.33
5.4.10.0100.06716.39
5.4.00.0000.06015.85
5.3.290.0070.04014.74
5.3.280.0030.04314.66
5.3.270.0000.04314.68
5.3.260.0070.08014.73
5.3.250.0100.06014.63
5.3.240.0070.04714.65
5.3.230.0030.07714.66
5.3.220.0130.06714.50
5.3.210.0070.07014.64
5.3.200.0200.06314.64
5.3.190.0030.07714.71
5.3.180.0230.03314.70
5.3.170.0100.03314.63
5.3.160.0100.07714.54
5.3.150.0070.05714.59
5.3.140.0130.06714.62
5.3.130.0100.07314.62
5.3.120.0000.08014.63
5.3.110.0030.07714.51
5.3.100.0000.05714.13
5.3.90.0030.04313.95
5.3.80.0030.05014.16
5.3.70.0130.04313.95
5.3.60.0070.05014.15
5.3.50.0070.06013.84
5.3.40.0170.06713.89
5.3.30.0070.05714.04
5.3.20.0030.03713.61
5.3.10.0030.06313.69
5.3.00.0130.06313.71
5.2.170.0200.04711.17
5.2.160.0030.06011.08
5.2.150.0100.06011.07
5.2.140.0000.03311.29
5.2.130.0000.03311.17
5.2.120.0130.03711.13
5.2.110.0030.05311.02
5.2.100.0170.05011.21
5.2.90.0000.04311.21
5.2.80.0000.05011.16
5.2.70.0070.04711.00
5.2.60.0030.05310.98
5.2.50.0100.04710.94
5.2.40.0000.06011.03
5.2.30.0000.05011.12
5.2.20.0030.03010.97
5.2.10.0030.04310.73
5.2.00.0030.06310.64
5.1.60.0100.04710.08
5.1.50.0070.03310.00
5.1.40.0030.04310.06
5.1.30.0000.04710.36
5.1.20.0100.05010.45
5.1.10.0070.0239.89
5.1.00.0000.04010.18
5.0.50.0100.0408.65
5.0.40.0030.0438.56
5.0.30.0130.0278.32
5.0.20.0070.0178.32
5.0.10.0030.0438.32
5.0.00.0000.0538.32
4.4.90.0030.0338.32
4.4.80.0130.0238.32
4.4.70.0030.0308.32
4.4.60.0030.0238.32
4.4.50.0070.0308.32
4.4.40.0030.0508.32
4.4.30.0030.0278.32
4.4.20.0000.0238.32
4.4.10.0030.0338.32
4.4.00.0030.0308.32
4.3.110.0000.0338.32
4.3.100.0000.0378.32
4.3.90.0000.0378.32
4.3.80.0000.0538.32
4.3.70.0070.0238.32
4.3.60.0000.0378.32
4.3.50.0030.0338.32
4.3.40.0030.0278.32
4.3.30.0000.0378.32
4.3.20.0000.0208.32
4.3.10.0030.0308.32
4.3.00.0000.0338.32

preferences:
48.17 ms | 401 KiB | 5 Q