3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0x80; // 128 base 10 var_dump($a); var_dump(base_convert($a, 10, 2)); // not base_convert($a, 16, 2) $b = ~$a; // -128 - 1 == -129 base 10 var_dump($b); var_dump(base_convert($b, 10, 2), $b);// not base_convert($b, 16,2); can base_convert handle negative values? printf("%b", $b); echo "\n\n"; $x = -10; printf("%x %d %b",$x,$x,$x);

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)
8.3.60.0070.00718.39
8.3.50.0150.00721.09
8.3.40.0070.00718.83
8.3.30.0070.00720.20
8.3.20.0090.00620.16
8.3.10.0000.00822.14
8.3.00.0040.00422.29
8.2.180.0130.00716.38
8.2.170.0080.00622.96
8.2.160.0100.00322.11
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.59
8.2.110.0060.00320.52
8.2.100.0090.00319.76
8.2.90.0000.00817.75
8.2.80.0060.00318.73
8.2.70.0050.00317.50
8.2.60.0000.00817.63
8.2.50.0040.00417.91
8.2.40.0080.00019.49
8.2.30.0040.00419.43
8.2.20.0060.00317.60
8.2.10.0000.00717.65
8.2.00.0030.00717.74
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00919.44
8.1.230.0070.00420.95
8.1.220.0040.00418.55
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0070.00018.71
8.1.150.0000.00718.63
8.1.140.0040.00417.44
8.1.130.0000.00717.83
8.1.120.0000.00717.43
8.1.110.0000.00717.41
8.1.100.0070.00017.43
8.1.90.0000.00717.39
8.1.80.0050.00217.46
8.1.70.0000.00717.34
8.1.60.0040.00417.52
8.1.50.0000.00717.43
8.1.40.0080.00417.51
8.1.30.0030.00517.58
8.1.20.0060.00317.66
8.1.10.0000.00717.46
8.1.00.0000.00817.34
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.44
8.0.270.0040.00417.26
8.0.260.0000.00616.89
8.0.250.0000.00716.98
8.0.240.0060.00316.96
8.0.230.0070.00016.89
8.0.220.0040.00416.93
8.0.210.0030.00316.83
8.0.200.0000.00716.95
8.0.190.0040.00416.85
8.0.180.0070.00016.92
8.0.170.0040.00416.88
8.0.160.0000.00716.76
8.0.150.0040.00416.74
8.0.140.0080.00316.79
8.0.130.0000.00513.32
8.0.120.0000.00716.77
8.0.110.0040.00416.89
8.0.100.0030.00516.79
8.0.90.0030.00516.77
8.0.80.0100.01016.83
8.0.70.0000.00816.84
8.0.60.0040.00416.89
8.0.50.0000.00716.86
8.0.30.0120.01017.17
8.0.20.0120.00517.40
8.0.10.0040.00416.80
8.0.00.0100.01016.74
7.4.330.0050.00016.79
7.4.320.0000.00616.52
7.4.300.0000.00616.38
7.4.290.0030.00316.62
7.4.280.0030.00316.52
7.4.270.0000.00716.39
7.4.260.0060.00313.24
7.4.250.0060.00316.48
7.4.240.0040.00416.54
7.4.230.0000.00716.64
7.4.220.0090.00916.62
7.4.210.0090.00516.61
7.4.200.0030.00316.68
7.4.190.0000.00616.75
7.4.160.0080.00816.59
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0120.00516.57
7.4.120.0130.00616.55
7.4.110.0090.00916.57
7.4.100.0080.00916.45
7.4.90.0100.00716.69
7.4.80.0070.01119.39
7.4.70.0100.00716.60
7.4.60.0100.00716.52
7.4.50.0040.00416.55
7.4.40.0060.00922.77
7.4.30.0060.01016.57
7.4.00.0000.01715.16
7.3.330.0060.00013.02
7.3.320.0000.00613.00
7.3.310.0080.00016.17
7.3.300.0060.00016.11
7.3.290.0080.01116.25
7.3.280.0080.00916.24
7.3.270.0040.01317.40
7.3.260.0070.01015.98
7.3.250.0090.01016.45
7.3.240.0070.01016.11
7.3.230.0080.00816.39
7.3.210.0040.01316.36
7.3.200.0100.00719.39
7.3.190.0150.00716.14
7.3.180.0060.00916.21
7.3.170.0100.00716.27
7.3.160.0140.00316.29
7.3.120.0030.01014.53
7.2.330.0040.01216.57
7.2.320.0090.01216.22
7.2.310.0140.00316.64
7.2.300.0170.00716.54
7.2.290.0110.00516.50
7.2.00.0070.00419.25
7.1.100.0080.00418.07
7.1.70.0150.01116.99
7.1.60.0180.00719.17
7.1.50.0140.02134.91
7.1.00.0000.03722.50
7.0.200.0030.00616.89
7.0.140.0100.06722.18
7.0.60.0100.08020.05
7.0.50.0100.08317.86
7.0.40.0170.07020.41
7.0.30.0300.08020.16
7.0.20.0230.06320.16
7.0.10.0070.06320.16
7.0.00.0100.06020.08
5.6.280.0000.07720.89
5.6.210.0070.08320.76
5.6.200.0000.05718.13
5.6.190.0070.07320.45
5.6.180.0370.07720.41
5.6.170.0400.06020.71
5.6.160.0100.08020.33
5.6.150.0030.04018.05
5.6.140.0130.06718.12
5.6.130.0070.05018.18
5.6.120.0100.04721.14
5.6.110.0100.08320.98
5.6.100.0100.07721.02
5.6.90.0170.06321.09
5.6.80.0200.06720.36
5.5.350.4300.04020.36
5.5.340.0070.08317.96
5.5.330.0100.05320.21
5.5.320.0230.03720.18
5.5.310.0170.04320.13
5.5.300.0130.08017.88
5.5.290.0030.08717.96
5.5.280.0030.07020.87
5.5.270.0130.08020.86
5.5.260.0070.06720.61
5.5.250.0030.05020.70
5.5.240.0170.07320.25
5.4.450.0330.05719.41
5.4.440.0230.08019.43
5.4.430.0300.04019.20
5.4.420.0400.06719.42
5.4.410.0300.06719.13
5.4.400.0200.04019.09
5.4.390.0470.05019.13
5.4.380.0330.05019.06
5.4.370.0170.04719.10
5.4.360.0230.04318.92
5.4.350.0230.05718.78
5.4.340.0270.04019.13
5.4.320.0270.04018.91
5.4.310.0230.03719.09
5.4.300.0230.05019.14
5.4.290.0270.04719.15
5.4.280.0300.03718.93
5.4.270.0270.06719.07
5.4.260.0300.05718.95
5.4.250.0230.07719.08
5.4.240.0270.05319.07
5.4.230.0300.03319.03
5.4.220.0230.05019.08
5.4.210.0270.07019.07
5.4.200.0300.07019.23
5.4.190.0330.04318.78
5.4.180.0270.04718.92
5.4.170.0370.06018.77
5.4.160.0300.05719.11
5.4.150.0230.04018.91
5.4.140.0230.03316.27
5.4.130.0230.05316.43
5.4.120.0330.06016.34
5.4.110.0300.06316.48
5.4.100.0200.03716.48
5.4.90.0270.03316.39
5.4.80.0270.04016.17
5.4.70.0170.04016.39
5.4.60.0130.04016.28
5.4.50.0170.03716.15
5.4.40.0100.04316.36
5.4.30.0200.04716.42
5.4.20.0300.04316.40
5.4.10.0370.06016.04
5.4.00.0330.05015.63
5.3.290.0300.03714.60
5.3.280.0270.06314.53
5.3.270.0230.04314.46
5.3.260.0230.06714.46
5.3.250.0270.04314.55
5.3.240.0330.06714.65
5.3.230.0330.06014.51
5.3.220.0370.06714.66
5.3.210.0300.07014.39
5.3.200.0270.06314.44
5.3.190.0270.06714.50
5.3.180.0270.06014.41
5.3.170.0230.05014.40
5.3.160.0200.07314.46
5.3.150.0200.04014.38
5.3.140.0270.03314.50
5.3.130.0170.04714.34
5.3.120.0300.07014.41
5.3.110.0270.04714.59
5.3.100.0230.03713.89
5.3.90.0230.04713.85
5.3.80.0130.04313.89
5.3.70.0270.04713.95
5.3.60.0270.05313.86
5.3.50.0370.06013.80
5.3.40.0270.04713.96
5.3.30.0130.04313.78
5.3.20.0230.04713.53
5.3.10.0070.05013.67
5.3.00.0200.04713.73
5.2.170.0270.04712.90
5.2.160.0130.05312.90
5.2.150.0230.03012.90
5.2.140.0170.04012.90
5.2.130.0200.04712.90
5.2.120.0170.04312.90
5.2.110.0270.04712.90
5.2.100.0100.03312.90
5.2.90.0100.03312.90
5.2.80.0130.03012.90
5.2.70.0170.02712.90
5.2.60.0200.02312.90
5.2.50.0100.03312.90
5.2.40.0170.06012.90
5.2.30.0170.03012.90
5.2.20.0130.03712.90
5.2.10.0200.03012.90
5.2.00.0100.03712.90
5.1.60.0130.04312.90
5.1.50.0100.03012.90
5.1.40.0200.02312.90
5.1.30.0170.03012.90
5.1.20.0230.04712.90
5.1.10.0130.03712.90
5.1.00.0130.02712.90
5.0.50.0170.04012.90
5.0.40.0100.01712.90
5.0.30.0100.03012.90
5.0.20.0130.04012.90
5.0.10.0130.03712.90
5.0.00.0070.04312.90
4.4.90.0100.03312.90
4.4.80.0100.01012.90
4.4.70.0130.03012.90
4.4.60.0100.03012.90
4.4.50.0070.02012.90
4.4.40.0070.04012.90
4.4.30.0170.01012.90
4.4.20.0070.01712.90
4.4.10.0130.01012.90
4.4.00.0030.03012.90
4.3.110.0070.01712.90
4.3.100.0030.03012.90
4.3.90.0070.01312.90
4.3.80.0100.02012.90
4.3.70.0070.01312.90
4.3.60.0000.02312.90
4.3.50.0100.02012.90
4.3.40.0100.04012.90
4.3.30.0000.02312.90
4.3.20.0030.04012.90
4.3.10.0000.02312.90
4.3.00.0070.02712.90

preferences:
54.9 ms | 400 KiB | 5 Q