3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 65; $b = ~$a + 1; // get 2s complement echo $b,"\n"; printf("0x%x\n",$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)
8.3.60.0150.00618.56
8.3.50.0050.01322.82
8.3.40.0120.00618.67
8.3.30.0070.00718.68
8.3.20.0070.00720.16
8.3.10.0030.00618.77
8.3.00.0000.00820.40
8.2.180.0110.01118.41
8.2.170.0070.00722.96
8.2.160.0140.00022.25
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0110.00721.08
8.2.110.0040.00422.20
8.2.100.0060.00617.72
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0080.00418.09
8.2.40.0040.00420.46
8.2.30.0040.00419.42
8.2.20.0000.00717.68
8.2.10.0040.00418.14
8.2.00.0000.00817.98
8.1.280.0000.01525.92
8.1.270.0060.00323.83
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00321.98
8.1.230.0090.00322.15
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.22
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00618.41
8.1.160.0000.00720.69
8.1.150.0050.00218.73
8.1.140.0000.00819.36
8.1.130.0050.00317.63
8.1.120.0040.00317.32
8.1.110.0070.00017.40
8.1.100.0040.00417.37
8.1.90.0000.00717.27
8.1.80.0000.00917.29
8.1.70.0030.00317.41
8.1.60.0030.00617.53
8.1.50.0060.00317.37
8.1.40.0030.00517.35
8.1.30.0000.00817.51
8.1.20.0020.00517.55
8.1.10.0040.00417.42
8.1.00.0040.00417.41
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0050.00318.47
8.0.270.0050.00517.26
8.0.260.0040.00417.26
8.0.250.0000.00716.92
8.0.240.0070.00017.00
8.0.230.0000.00716.87
8.0.220.0000.00716.84
8.0.210.0040.00416.93
8.0.200.0030.00316.92
8.0.190.0030.00516.93
8.0.180.0000.00816.86
8.0.170.0040.00416.81
8.0.160.0000.00716.89
8.0.150.0000.00716.73
8.0.140.0040.00416.83
8.0.130.0030.00613.27
8.0.120.0000.00916.86
8.0.110.0050.00316.77
8.0.100.0000.00716.77
8.0.90.0050.00316.68
8.0.80.0090.00916.84
8.0.70.0050.00316.73
8.0.60.0050.00216.75
8.0.50.0000.00916.86
8.0.30.0090.00717.07
8.0.20.0120.00917.40
8.0.10.0070.00016.96
8.0.00.0100.00716.71
7.4.330.0050.00016.76
7.4.320.0060.00016.60
7.4.300.0000.00616.54
7.4.290.0060.00016.42
7.4.280.0000.00716.59
7.4.270.0070.00016.47
7.4.260.0030.00316.59
7.4.250.0000.00716.48
7.4.240.0050.00316.48
7.4.230.0030.00316.42
7.4.220.0080.00816.49
7.4.210.0070.00716.60
7.4.200.0070.00016.66
7.4.160.0090.00616.56
7.4.150.0090.00917.40
7.4.140.0100.01217.86
7.4.130.0080.01016.50
7.4.120.0130.00816.47
7.4.110.0130.00516.63
7.4.100.0170.00516.64
7.4.90.0030.01416.33
7.4.80.0060.01319.39
7.4.70.0030.01316.53
7.4.60.0120.00616.66
7.4.50.0040.01116.37
7.4.40.0160.00316.59
7.4.30.0180.00016.55
7.4.00.0030.00914.84
7.3.330.0030.00313.17
7.3.320.0000.00513.02
7.3.310.0030.00316.32
7.3.300.0030.00316.16
7.3.290.0090.00816.21
7.3.280.0080.01016.22
7.3.270.0110.00717.40
7.3.260.0040.01316.44
7.3.250.0060.01116.31
7.3.240.0170.00616.31
7.3.230.0060.01316.40
7.3.210.0060.01216.24
7.3.200.0040.01216.50
7.3.190.0090.00616.19
7.3.180.0060.01116.52
7.3.170.0100.01016.46
7.3.160.0130.00416.38
7.2.330.0140.01116.68
7.2.320.0120.01116.60
7.2.310.0100.00716.58
7.2.300.0090.00916.55
7.2.290.0090.00916.42
7.2.60.0000.01216.79
7.2.00.0080.00419.15
7.1.200.0080.00415.80
7.1.100.0000.01518.20
7.1.70.0100.00016.85
7.1.60.0070.01719.25
7.1.50.0090.01316.98
7.1.00.0070.07022.40
7.0.200.0000.00916.87
7.0.60.0200.02721.86
7.0.50.0030.08317.80
7.0.40.0070.09020.30
7.0.30.0300.07720.21
7.0.20.0400.07020.16
7.0.10.0030.06720.20
7.0.00.0170.07020.41
5.6.280.0000.07720.88
5.6.210.0170.07020.62
5.6.200.0030.08718.22
5.6.190.0170.08020.48
5.6.180.0170.07720.55
5.6.170.0230.08320.62
5.6.160.0030.06320.43
5.6.150.0030.05318.08
5.6.140.0030.04318.14
5.6.130.0000.04318.09
5.6.120.0000.07720.98
5.6.110.0070.07321.11
5.6.100.0070.05321.00
5.6.90.0100.08020.97
5.6.80.0100.03320.52
5.5.350.0200.05020.40
5.5.340.0030.08017.97
5.5.330.0030.07320.29
5.5.320.0230.04720.24
5.5.310.0230.07020.24
5.5.300.0030.03717.91
5.5.290.0000.04317.94
5.5.280.0070.04020.95
5.5.270.0130.07720.86
5.5.260.0030.04020.79
5.5.250.0100.05320.54
5.5.240.0400.06020.14

preferences:
37.58 ms | 401 KiB | 5 Q