3v4l.org

run code in 300+ PHP versions simultaneously
<?php function decrypt($s) { $bytes = array_map('hexdec', str_split($s, 2)); $len = count($bytes); $bytes[$len - 1] ^= $bytes[0]; for ($i = 0; $i < $len - 1; $i++) { $bytes[$i] ^= $bytes[$i + 1]; } return join('', array_map('chr', $bytes)); } $s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echo decrypt($s1);

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)
8.4.120.0110.01020.76
8.4.110.0100.01022.54
8.4.100.0090.01217.75
8.4.90.0150.00618.91
8.4.80.0100.01118.08
8.4.70.0140.00319.62
8.4.60.0140.00618.85
8.4.50.0130.00720.32
8.4.40.0060.01317.97
8.4.30.0070.01317.70
8.4.20.0100.01019.55
8.4.10.0130.00720.53
8.3.250.0090.00918.93
8.3.240.0120.00716.67
8.3.230.0090.01016.76
8.3.220.0080.01117.36
8.3.210.0110.01016.67
8.3.200.0030.00616.67
8.3.190.0090.00617.38
8.3.180.0040.00318.86
8.3.170.0100.01016.77
8.3.160.0000.00817.48
8.3.150.0100.01017.38
8.3.140.0060.00319.18
8.3.130.0000.00818.59
8.3.120.0130.00620.47
8.3.110.0060.00320.94
8.3.100.0090.00324.06
8.3.90.0030.00626.77
8.3.80.0080.00418.18
8.3.70.0040.01216.87
8.3.60.0090.00618.56
8.3.50.0260.01318.00
8.3.40.0080.00818.84
8.3.30.0120.00318.84
8.3.20.0040.00419.18
8.3.10.0050.00321.73
8.3.00.0000.00822.40
8.2.290.0120.00820.59
8.2.280.0120.00819.99
8.2.270.0150.00318.89
8.2.260.0080.00816.51
8.2.250.0050.00318.46
8.2.240.0030.00718.98
8.2.230.0090.00322.58
8.2.220.0000.00937.54
8.2.210.0050.00326.77
8.2.200.0090.00016.63
8.2.190.0090.00916.58
8.2.180.0120.00918.29
8.2.170.0110.00422.96
8.2.160.0070.00721.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0070.00322.25
8.2.100.0060.00617.97
8.2.90.0080.00018.00
8.2.80.0000.00918.18
8.2.70.0030.00618.29
8.2.60.0000.00818.05
8.2.50.0040.00418.34
8.2.40.0060.00320.85
8.2.30.0080.00021.26
8.2.20.0000.00718.19
8.2.10.0000.00718.07
8.2.00.0000.00719.44
8.1.330.0090.00920.28
8.1.320.0110.00516.26
8.1.310.0030.00616.93
8.1.300.0090.00617.97
8.1.290.0060.00330.84
8.1.280.0140.00825.92
8.1.270.0060.00322.15
8.1.260.0070.00726.35
8.1.250.0000.00828.09
8.1.240.0060.00323.92
8.1.230.0060.00619.27
8.1.220.0080.00417.78
8.1.210.0080.00018.77
8.1.200.0040.00417.48
8.1.190.0080.00017.47
8.1.180.0030.00618.10
8.1.170.0040.00418.70
8.1.160.0000.00818.98
8.1.150.0030.00619.02
8.1.140.0000.00717.73
8.1.130.0060.00317.57
8.1.120.0050.00317.61
8.1.110.0050.00517.59
8.1.100.0030.00617.58
8.1.90.0050.00317.49
8.1.80.0040.00417.43
8.1.70.0040.00417.53
8.1.60.0060.00317.66
8.1.50.0000.00817.54
8.1.40.0000.00817.66
8.1.30.0000.00817.77
8.1.20.0030.00717.79
8.1.10.0030.00517.71
8.1.00.0000.00817.67
8.0.300.0040.00419.89
8.0.290.0030.00516.88
8.0.280.0000.00718.62
8.0.270.0040.00416.91
8.0.260.0040.00417.04
8.0.250.0000.00717.14
8.0.240.0000.00817.17
8.0.230.0000.00717.00
8.0.220.0000.00717.00
8.0.210.0040.00416.96
8.0.200.0000.00716.98
8.0.190.0080.00017.05
8.0.180.0000.00817.05
8.0.170.0040.00416.98
8.0.160.0040.00417.03
8.0.150.0030.00517.03
8.0.140.0000.00716.95
8.0.130.0030.00313.53
8.0.120.0030.00517.02
8.0.110.0040.00417.02
8.0.100.0040.00417.02
8.0.90.0040.00417.06
8.0.80.0090.00617.07
8.0.70.0000.00916.95
8.0.60.0040.00417.02
8.0.50.0000.00816.95
8.0.30.0100.00917.22
8.0.20.0120.01317.40
8.0.10.0020.00517.23
8.0.00.0120.00716.97
7.4.330.0000.00715.55
7.4.320.0050.00516.54
7.4.300.0060.00016.59
7.4.290.0000.00716.66
7.4.280.0080.00016.72
7.4.270.0110.00016.63
7.4.260.0040.00416.70
7.4.250.0000.00716.73
7.4.240.0000.00716.65
7.4.230.0000.00716.75
7.4.220.0050.00316.80
7.4.210.0020.01216.63
7.4.200.0030.00516.70
7.4.160.0060.01016.67
7.4.140.0100.01117.86
7.4.130.0060.01116.63
7.4.120.0130.00716.71
7.4.110.0100.00616.61
7.4.100.0120.00616.61
7.4.90.0110.00716.69
7.4.80.0150.01219.39
7.4.70.0060.01216.64
7.4.60.0070.01016.55
7.4.50.0090.00616.67
7.4.40.0060.01216.32
7.4.00.0120.00515.12
7.3.330.0050.00013.36
7.3.320.0030.00313.40
7.3.310.0040.00416.55
7.3.300.0000.00816.46
7.3.290.0030.00516.45
7.3.280.0080.01016.52
7.3.260.0110.00816.55
7.3.240.0100.00716.64
7.3.230.0140.00316.52
7.3.210.0060.01016.66
7.3.200.0080.00816.61
7.3.190.0080.01216.67
7.3.180.0140.00416.59
7.3.170.0120.00616.65
7.3.160.0060.01016.66
7.3.120.0030.01415.23
7.3.110.0040.01514.89
7.3.100.0140.00015.14
7.3.90.0000.01014.99
7.3.80.0120.00315.04
7.3.70.0050.00914.86
7.3.60.0090.00914.95
7.3.50.0050.01414.90
7.3.40.0070.00714.99
7.3.30.0070.00514.94
7.3.20.0090.00815.91
7.3.10.0090.00815.83
7.3.00.0080.01215.76
7.2.330.0140.00416.71
7.2.320.0090.01216.94
7.2.310.0180.00616.78
7.2.300.0080.01516.97
7.2.290.0070.01116.78
7.2.250.0070.01415.34
7.2.240.0000.02115.13
7.2.230.0070.01015.20
7.2.220.0030.00915.05
7.2.210.0060.00615.01
7.2.200.0140.00015.18
7.2.190.0110.00915.24
7.2.180.0030.01215.12
7.2.170.0030.01015.01
7.2.160.0040.01114.95
7.2.150.0140.00715.08
7.2.140.0300.00015.11
7.2.130.0290.00714.98
7.2.120.0140.01815.25
7.2.110.0160.00515.18
7.2.100.0110.01416.99
7.2.90.0030.01216.85
7.2.80.0120.00916.72
7.2.70.0040.01217.01
7.2.60.0080.00716.78
7.2.50.0000.01417.04
7.2.40.0420.01317.53
7.2.30.0490.00917.43
7.2.20.0680.00717.61
7.2.10.0390.01017.40
7.2.00.0610.00617.55
7.1.330.0000.01415.74
7.1.320.0080.00415.82
7.1.310.0040.00815.86
7.1.300.0130.00814.86
7.1.290.0070.00714.91
7.1.280.0120.00414.87
7.1.270.0070.00814.91
7.1.260.0100.00615.03
7.1.250.0190.01013.93
7.1.240.0190.00713.89
7.1.230.1150.01015.54
7.1.220.0140.01015.57
7.1.210.0200.00515.84
7.1.200.0130.00715.74
7.1.190.0180.00915.84
7.1.180.0090.01615.63
7.1.170.0130.00915.82
7.1.160.0380.00816.34
7.1.150.0400.01316.26
7.1.140.0620.00816.36
7.1.130.0500.01016.39
7.1.120.0510.01016.25
7.1.110.0420.01116.20
7.1.100.0490.00815.90
7.1.90.0480.00615.96
7.1.80.0380.01016.03
7.1.70.0420.00615.58
7.1.60.0450.01224.53
7.1.50.0630.00824.30
7.1.40.0490.01024.17
7.1.30.0470.00724.37
7.1.20.0530.01324.09
7.1.10.0440.00915.27
7.1.00.0440.00815.29
7.0.330.0180.01513.70
5.6.400.0150.01514.80
5.6.390.0100.02014.81
5.6.380.0150.01114.75

preferences:
35.63 ms | 403 KiB | 5 Q