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, $testPart); //echo strToHex($testPart) . "<br>\n"; } $packed = pack('nvH8', '0x'.$testParts[0], '0x'.$testParts[1], '0x'.$testParts[2], '0x'.$testParts[3], '0x'.$testParts[4], '0x'.$testParts[5], '0x'.$testParts[6], '0x'.$testParts[7]); $unpacked = unpack('nvH8', $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)
8.3.70.0160.00616.75
8.3.60.0190.00018.29
8.3.50.0130.00821.21
8.3.40.0110.00718.83
8.3.30.0070.01020.34
8.3.20.0040.00420.21
8.3.10.0070.00721.95
8.3.00.0040.00422.31
8.2.180.0120.00618.41
8.2.170.0140.00022.96
8.2.160.0100.00322.12
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.60
8.2.110.0040.00420.52
8.2.100.0060.00617.97
8.2.90.0000.00919.74
8.2.80.0020.00519.14
8.2.70.0000.00818.05
8.2.60.0030.00617.93
8.2.50.0000.00818.10
8.2.40.0040.00418.16
8.2.30.0050.00518.15
8.2.20.0040.00417.62
8.2.10.0000.00817.83
8.2.00.0030.00517.65
8.1.280.0070.01025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0100.00022.65
8.1.230.0090.00322.82
8.1.220.0050.00317.74
8.1.210.0080.00018.91
8.1.200.0060.00317.38
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0030.00618.49
8.1.160.0000.00718.92
8.1.150.0080.00018.70
8.1.140.0060.00317.55
8.1.130.0030.00317.86
8.1.120.0040.00417.40
8.1.110.0040.00417.39
8.1.100.0000.00817.40
8.1.90.0040.00417.51
8.1.80.0000.00717.50
8.1.70.0040.00417.46
8.1.60.0000.00917.52
8.1.50.0040.00417.54
8.1.40.0070.00017.45
8.1.30.0030.00617.55
8.1.20.0030.00617.67
8.1.10.0040.00417.64
8.1.00.0000.00817.48
8.0.300.0040.00419.96
8.0.290.0040.00416.75
8.0.280.0070.00018.42
8.0.270.0030.00317.35
8.0.260.0000.00816.84
8.0.250.0030.00316.94
8.0.240.0050.00217.02
8.0.230.0070.00016.95
8.0.220.0070.00016.89
8.0.210.0000.00716.95
8.0.200.0040.00417.06
8.0.190.0040.00416.96
8.0.180.0060.00317.06
8.0.170.0030.00617.06
8.0.160.0040.00417.05
8.0.150.0080.00017.00
8.0.140.0020.00516.96
8.0.130.0030.00313.45
8.0.120.0040.00416.87
8.0.110.0000.00716.96
8.0.100.0040.00416.80
8.0.90.0040.00416.88
8.0.80.0070.00716.95
8.0.70.0000.00717.00
8.0.60.0050.00316.93
8.0.50.0040.00416.80
8.0.30.0100.00917.18
8.0.20.0070.01117.40
8.0.10.0040.00417.16
8.0.00.0080.01316.79
7.4.330.0070.00015.00
7.4.320.0030.00316.62
7.4.300.0030.00316.63
7.4.290.0030.00616.63
7.4.280.0000.00716.62
7.4.270.0070.00016.55
7.4.260.0040.00413.32
7.4.250.0000.00716.39
7.4.240.0020.00516.48
7.4.230.0000.00716.73
7.4.220.0120.01516.56
7.4.210.0100.00616.62
7.4.200.0000.00716.44
7.4.190.0050.00216.57
7.4.160.0170.00316.55
7.4.150.0080.00817.40
7.4.140.0110.00517.86
7.4.130.0040.01616.51
7.4.120.0050.01216.49
7.4.110.0130.02516.67
7.4.100.0100.00716.60
7.4.90.0030.01316.51
7.4.80.0070.01419.39
7.4.70.0050.01116.68
7.4.60.0130.00316.56
7.4.50.0000.00916.41
7.4.40.0070.00722.77
7.4.30.0070.01016.26
7.4.00.0070.01114.91
7.3.330.0030.00313.32
7.3.320.0000.00613.45
7.3.310.0030.00316.39
7.3.300.0000.00616.48
7.3.290.0090.00616.43
7.3.280.0120.00616.35
7.3.270.0070.01017.40
7.3.260.0090.00816.47
7.3.250.0130.00616.59
7.3.240.0110.00716.70
7.3.230.0090.00616.39
7.3.210.0200.00316.32
7.3.200.0140.01019.39
7.3.190.0090.00916.62
7.3.180.0090.00616.57
7.3.170.0130.01016.58
7.3.160.0130.00316.47
7.3.120.0040.01414.98
7.2.330.0090.00916.77
7.2.320.0070.01016.82
7.2.310.0070.01016.72
7.2.300.0060.01016.86
7.2.290.0030.01316.81
7.2.00.0000.01419.43
7.1.100.0000.01118.20
7.1.70.0000.00817.17
7.1.60.0040.02119.32
7.1.50.0070.01416.73
7.1.00.0030.03322.45
7.0.200.0250.00614.83
7.0.140.0000.08022.02
7.0.100.0030.05319.91
7.0.90.0200.04019.95
7.0.80.0100.03719.89
7.0.70.0070.04019.91
7.0.60.0170.03319.90
7.0.50.0070.04020.31
7.0.40.0070.04020.09
7.0.30.0030.03720.17
7.0.20.0070.03320.07
7.0.10.0000.03720.10
7.0.00.0030.04720.12
5.6.280.0030.07720.90
5.6.250.0130.05320.64
5.6.240.0030.04320.64
5.6.230.0070.04320.55
5.6.220.0070.03720.60
5.6.210.0070.03720.48
5.6.200.0030.03720.97
5.6.190.0030.04021.04
5.6.180.0030.04321.09
5.6.170.0030.04020.95
5.6.160.0100.03721.02
5.6.150.0070.03021.18
5.6.140.0070.03021.03
5.6.130.0070.03320.96
5.6.120.0030.04321.02
5.6.110.0030.08021.11
5.6.100.0070.06721.14
5.6.90.0030.06321.07
5.6.80.0070.07720.51
5.6.70.0070.05320.41
5.6.60.0030.04320.42
5.6.50.0070.07720.37
5.6.40.0100.07020.42
5.6.30.0070.06020.48
5.6.20.0100.07720.38
5.6.10.0170.07020.47
5.6.00.0100.06720.37
5.5.380.0070.03020.43
5.5.370.0000.04020.53
5.5.360.0030.03720.45
5.5.350.0000.04320.49
5.5.340.0130.03020.93
5.5.330.0000.03720.86
5.5.320.0000.04720.81
5.5.310.0070.04020.79
5.5.300.0070.04020.74
5.5.290.0030.03320.89
5.5.280.0070.03320.92
5.5.270.0000.08720.90
5.5.260.0030.05320.90
5.5.250.0000.07720.65
5.5.240.0100.07020.29
5.5.230.0070.08020.31
5.5.220.0070.07320.19
5.5.210.0070.07020.30
5.5.200.0100.04320.28
5.5.190.0030.07020.13
5.5.180.0130.07020.29
5.5.160.0070.05720.14
5.5.150.0000.04720.25
5.5.140.0070.03720.25
5.5.130.0170.07020.27
5.5.120.0030.04720.22
5.5.110.0100.08020.24
5.5.100.0100.07319.97
5.5.90.0100.04020.18
5.5.80.0030.05720.07
5.5.70.0070.08019.95
5.5.60.0200.05720.15
5.5.50.0100.07319.95
5.5.40.0070.07719.95
5.5.30.0000.05719.97
5.5.20.0030.08020.07
5.5.10.0130.06720.05
5.5.00.0130.06020.05
5.4.450.0000.03719.33
5.4.440.0000.03719.36
5.4.430.0170.05719.20
5.4.420.0100.06719.48
5.4.410.0070.06019.24
5.4.400.0100.07319.04
5.4.390.0070.04019.16
5.4.380.0070.04318.95
5.4.370.0030.06719.04
5.4.360.0130.06319.18
5.4.350.0170.06719.05
5.4.340.0070.05319.12
5.4.320.0030.08319.04
5.4.310.0070.04719.05
5.4.300.0000.04319.21
5.4.290.0070.04319.16
5.4.280.0030.04719.15
5.4.270.0070.04019.13
5.4.260.0070.04318.87
5.4.250.0030.04719.12
5.4.240.0070.09318.87
5.4.230.0030.06719.18
5.4.220.0100.06019.22
5.4.210.0100.08019.15
5.4.200.0030.06719.04
5.4.190.0100.06719.19
5.4.180.0070.05719.18
5.4.170.0100.08019.11
5.4.160.0130.05719.20
5.4.150.0170.06319.07
5.4.140.0170.06016.51
5.4.130.0070.07016.50
5.4.120.0070.07016.49
5.4.110.0070.07316.44
5.4.100.0200.06316.43
5.4.90.0070.07716.38
5.4.80.0100.06716.31
5.4.70.0130.06016.50
5.4.60.0070.07016.33
5.4.50.0030.06016.40
5.4.40.0100.06716.52
5.4.30.0030.07316.36
5.4.20.0130.03316.39
5.4.10.0030.05316.36
5.4.00.0070.06715.86
5.3.290.0070.06714.60
5.3.280.0030.05314.62
5.3.270.0070.05014.64
5.3.260.0130.07314.68
5.3.250.0030.08014.61
5.3.240.0100.08014.71
5.3.230.0070.07314.68
5.3.220.0070.07714.60
5.3.210.0100.06714.50
5.3.200.0130.07014.53
5.3.190.0100.06314.65
5.3.180.0030.04314.56
5.3.170.0070.08014.59
5.3.160.0130.07314.57
5.3.150.0070.08014.72
5.3.140.0100.03714.60
5.3.130.0070.07314.55
5.3.120.0030.07314.50
5.3.110.0070.08014.55
5.3.100.0030.05014.14
5.3.90.0030.07014.09
5.3.80.0000.08014.08
5.3.70.0100.04714.00
5.3.60.0070.06314.04
5.3.50.0030.06313.86
5.3.40.0070.05713.98
5.3.30.0030.04014.04
5.3.20.0000.08313.83
5.3.10.0100.06013.68
5.3.00.0130.04313.78
5.2.170.0100.03312.29
5.2.160.0030.04312.29
5.2.150.0070.05712.29
5.2.140.0000.04712.29
5.2.130.0000.03012.29
5.2.120.0000.03012.29
5.2.110.0030.05712.29
5.2.100.0100.05312.29
5.2.90.0030.04012.29
5.2.80.0070.06012.29
5.2.70.0030.05712.29
5.2.60.0070.03012.29
5.2.50.0000.06712.29
5.2.40.0200.02712.29
5.2.30.0030.04012.29
5.2.20.0000.05012.29
5.2.10.0070.04312.29
5.2.00.0000.04012.29
5.1.60.0100.03312.29
5.1.50.0030.05012.29
5.1.40.0030.05312.29
5.1.30.0070.02712.29
5.1.20.0100.03712.29
5.1.10.0070.05312.29
5.1.00.0100.02712.29
5.0.50.0100.04012.29
5.0.40.0070.02012.29
5.0.30.0030.06712.29
5.0.20.0030.02012.29
5.0.10.0070.02712.29
5.0.00.0030.06312.29
4.4.90.0070.03012.29
4.4.80.0030.03712.29
4.4.70.0130.02012.29
4.4.60.0000.02012.29
4.4.50.0000.03712.29
4.4.40.0000.05012.29
4.4.30.0000.03012.29
4.4.20.0030.03312.29
4.4.10.0030.03712.29
4.4.00.0100.03712.29
4.3.110.0100.03012.29
4.3.100.0070.02712.29
4.3.90.0000.03712.29
4.3.80.0070.04712.29
4.3.70.0000.03712.29
4.3.60.0100.02312.29
4.3.50.0000.02312.29
4.3.40.0000.05312.29
4.3.30.0000.03712.29
4.3.20.0000.03312.29
4.3.10.0000.04012.29
4.3.00.0030.03312.29

preferences:
36.82 ms | 401 KiB | 5 Q