3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 65; $b = ~$a + 1; // get 2s complement echo $b,"\n"; printf("0x%x\n\n",$b); $c = base_convert($b,10,2); echo $c,"\n"; $i = intval($c,2); echo $i;

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)
8.3.60.0090.00618.55
8.3.50.0090.00619.77
8.3.40.0160.00018.82
8.3.30.0080.00618.72
8.3.20.0040.00420.13
8.3.10.0030.00518.73
8.3.00.0080.00020.29
8.2.180.0030.01018.18
8.2.170.0070.01022.96
8.2.160.0030.01022.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00320.50
8.2.120.0000.00726.35
8.2.110.0030.00621.00
8.2.100.0080.00317.72
8.2.90.0080.00018.03
8.2.80.0000.00818.09
8.2.70.0000.00817.63
8.2.60.0080.00018.03
8.2.50.0040.00418.10
8.2.40.0000.00920.59
8.2.30.0000.00819.41
8.2.20.0030.00617.56
8.2.10.0050.00318.11
8.2.00.0070.00018.16
8.1.280.0070.01425.92
8.1.270.0080.00323.70
8.1.260.0000.00828.09
8.1.250.0030.00528.09
8.1.240.0060.00322.47
8.1.230.0060.00620.89
8.1.220.0060.00317.91
8.1.210.0040.00418.86
8.1.200.0040.00417.23
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0000.00818.50
8.1.160.0000.00720.63
8.1.150.0040.00418.77
8.1.140.0030.00519.50
8.1.130.0050.00317.57
8.1.120.0000.00717.36
8.1.110.0000.00717.27
8.1.100.0000.00717.37
8.1.90.0000.00717.44
8.1.80.0040.00417.38
8.1.70.0040.00417.37
8.1.60.0030.00617.39
8.1.50.0080.00017.54
8.1.40.0030.00617.48
8.1.30.0030.00617.54
8.1.20.0070.00017.50
8.1.10.0050.00217.52
8.1.00.0090.00317.45
8.0.300.0000.00719.86
8.0.290.0090.00016.75
8.0.280.0000.00718.48
8.0.270.0000.00817.24
8.0.260.0070.00317.29
8.0.250.0040.00417.02
8.0.240.0070.00016.98
8.0.230.0000.00716.98
8.0.220.0050.00216.80
8.0.210.0050.00316.92
8.0.200.0030.00316.95
8.0.190.0030.00316.95
8.0.180.0040.00416.92
8.0.170.0040.00416.95
8.0.160.0030.00316.92
8.0.150.0030.00716.72
8.0.140.0000.00816.73
8.0.130.0070.00013.24
8.0.120.0060.00316.75
8.0.110.0000.00716.89
8.0.100.0040.00416.91
8.0.90.0000.00816.83
8.0.80.0110.01116.89
8.0.70.0050.00316.85
8.0.60.0040.00416.70
8.0.50.0050.00316.70
8.0.30.0110.00817.01
8.0.20.0110.00617.40
8.0.10.0070.00016.99
8.0.00.0050.01416.84
7.4.330.0050.00016.74
7.4.320.0060.00016.60
7.4.300.0100.00016.47
7.4.290.0050.00216.48
7.4.280.0070.00016.48
7.4.270.0030.00316.54
7.4.260.0070.00016.51
7.4.250.0040.00416.56
7.4.240.0040.00416.63
7.4.230.0030.00316.60
7.4.220.0070.00016.69
7.4.210.0090.00616.55
7.4.200.0030.00316.40
7.4.160.0120.00416.55
7.4.150.0140.00317.40
7.4.140.0140.01217.86
7.4.130.0100.01016.46
7.4.120.0120.01116.45
7.4.110.0160.00716.49
7.4.100.0080.01216.55
7.4.90.0070.01016.44
7.4.80.0150.00819.39
7.4.70.0070.01116.50
7.4.60.0130.00916.46
7.4.50.0120.00316.22
7.4.40.0130.01016.49
7.4.30.0070.01016.40
7.4.00.0060.00915.01
7.3.330.0000.00613.19
7.3.320.0000.00513.06
7.3.310.0000.00716.34
7.3.300.0070.00016.24
7.3.290.0100.01116.23
7.3.280.0080.01016.19
7.3.270.0100.00717.40
7.3.260.0130.00316.54
7.3.250.0120.00516.30
7.3.240.0090.00816.18
7.3.230.0090.00916.52
7.3.210.0130.00516.55
7.3.200.0070.01116.23
7.3.190.0110.01116.45
7.3.180.0030.01316.11
7.3.170.0090.00916.30
7.3.160.0060.01016.30
7.3.120.0140.00314.44
7.3.110.0110.00714.71
7.3.100.0060.00614.75
7.3.90.0060.00914.55
7.3.80.0030.01014.87
7.3.70.0000.01214.82
7.3.60.0060.00914.54
7.3.50.0120.00614.72
7.3.40.0040.00814.69
7.3.30.0060.01214.60
7.3.20.0030.00616.47
7.3.10.0080.00816.42
7.3.00.0050.00816.54
7.2.330.0090.00916.60
7.2.320.0060.01216.73
7.2.310.0060.01616.71
7.2.300.0070.01116.43
7.2.290.0100.01016.64
7.2.250.0040.01515.18
7.2.240.0100.01014.91
7.2.230.0100.00014.95
7.2.220.0090.00615.05
7.2.210.0090.00614.90
7.2.200.0060.01015.00
7.2.190.0060.01214.97
7.2.180.0140.00315.01
7.2.170.0030.00615.07
7.2.130.0070.00816.88
7.2.120.0120.00816.72
7.2.110.0100.00816.72
7.2.100.0120.00516.63
7.2.90.0090.00416.90
7.2.80.0070.00916.75
7.2.70.0120.00816.70
7.2.60.0090.00616.72
7.2.50.0070.01116.89
7.2.40.0100.01116.73
7.2.30.0140.00616.79
7.2.20.0070.00916.77
7.2.10.0100.00916.78
7.2.00.0060.01017.35
7.1.330.0000.01415.84
7.1.320.0030.01215.87
7.1.310.0120.00315.74
7.1.300.0070.00715.87
7.1.290.0040.00715.82
7.1.280.0030.01015.86
7.1.270.0030.01415.66
7.1.260.0000.00915.84
7.1.250.0080.00915.84
7.1.200.0030.00715.66
7.1.100.0030.00918.24
7.1.70.0090.00017.20
7.1.60.0070.01419.25
7.1.50.0000.01616.98
7.1.00.0030.07722.43
7.0.200.0000.00816.84
7.0.60.0200.08321.80
7.0.50.0130.04017.90
7.0.40.0030.06719.90
7.0.30.0100.05020.17
7.0.20.0370.04320.18
7.0.10.0070.05320.12
7.0.00.0070.04020.00
5.6.280.0100.06721.10
5.6.210.0130.08020.59
5.6.200.0030.08718.21
5.6.190.0130.08320.43
5.6.180.0370.06720.35
5.6.170.0370.07320.38
5.6.160.0130.04320.50
5.6.150.0000.04318.11
5.6.140.0030.04718.12
5.6.130.0070.08318.18
5.6.120.0100.08321.00
5.6.110.0070.08321.08
5.6.100.0130.07720.97
5.6.90.0070.04321.02
5.6.80.0030.04020.41
5.5.350.0330.07720.40
5.5.340.0070.04317.99
5.5.330.0070.07320.25
5.5.320.0400.05720.29
5.5.310.0300.04020.29
5.5.300.0130.06318.01
5.5.290.0130.04718.01
5.5.280.0100.03720.71
5.5.270.0070.07320.78
5.5.260.0070.03720.82
5.5.250.0170.07720.78
5.5.240.0330.06320.22

preferences:
53.23 ms | 400 KiB | 5 Q