3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0x80; var_dump(base_convert(0x80,16,10)); $converted_a = base_convert($a, 16, 2); var_dump($converted_a); $b = ~$a; // -$a -1 or -297 $converted_b = base_convert($b, 16, 2); printf("\n%d", $converted_b); echo "\n";

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)
8.3.60.0070.00718.30
8.3.50.0100.01021.14
8.3.40.0090.00618.88
8.3.30.0030.01020.21
8.3.20.0070.00020.33
8.3.10.0030.00622.10
8.3.00.0000.00722.45
8.2.180.0120.00316.59
8.2.170.0000.01522.96
8.2.160.0100.00322.04
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0000.00720.87
8.2.110.0060.00322.01
8.2.100.0040.00818.09
8.2.90.0000.00917.63
8.2.80.0080.00017.97
8.2.70.0050.00317.92
8.2.60.0060.00317.80
8.2.50.0080.00019.65
8.2.40.0080.00020.67
8.2.30.0000.00719.31
8.2.20.0050.00317.62
8.2.10.0040.00417.76
8.2.00.0040.00417.55
8.1.280.0100.01025.92
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0080.00023.97
8.1.230.0060.00618.79
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0000.01017.22
8.1.180.0040.00418.10
8.1.170.0000.00818.47
8.1.160.0050.00318.82
8.1.150.0080.00018.56
8.1.140.0050.00317.24
8.1.130.0000.00717.81
8.1.120.0080.00017.40
8.1.110.0050.00217.42
8.1.100.0040.00417.38
8.1.90.0040.00417.30
8.1.80.0020.00517.35
8.1.70.0000.00717.38
8.1.60.0060.00317.48
8.1.50.0000.00717.42
8.1.40.0060.00617.42
8.1.30.0000.00717.62
8.1.20.0050.00317.63
8.1.10.0030.00617.41
8.1.00.0050.00317.30
8.0.300.0040.00419.73
8.0.290.0000.00816.88
8.0.280.0000.00818.45
8.0.270.0040.00417.26
8.0.260.0000.00618.43
8.0.250.0040.00416.97
8.0.240.0000.00916.89
8.0.230.0000.00716.94
8.0.220.0000.00716.93
8.0.210.0040.00416.91
8.0.200.0040.00416.83
8.0.190.0000.00817.02
8.0.180.0070.00016.95
8.0.170.0030.00516.85
8.0.160.0080.00016.81
8.0.150.0040.00416.87
8.0.140.0080.00416.89
8.0.130.0050.00013.24
8.0.120.0030.00516.83
8.0.110.0030.00616.79
8.0.100.0040.00416.95
8.0.90.0000.00717.01
8.0.80.0030.01216.77
8.0.70.0020.00516.88
8.0.60.0000.00716.79
8.0.50.0050.00216.84
8.0.30.0070.01217.11
8.0.20.0090.01017.40
8.0.10.0080.00017.08
8.0.00.0080.01316.68
7.4.330.0000.00516.66
7.4.320.0000.00616.53
7.4.300.0040.00416.51
7.4.290.0040.00416.60
7.4.280.0000.00716.50
7.4.270.0030.00316.61
7.4.260.0070.00213.28
7.4.250.0000.00716.61
7.4.240.0020.00516.61
7.4.230.0030.00316.50
7.4.220.0120.00916.57
7.4.210.0050.01016.53
7.4.200.0000.00716.71
7.4.190.0000.00716.33
7.4.160.0100.00616.54
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0100.00716.59
7.4.120.0110.00816.55
7.4.110.0090.00916.59
7.4.100.0170.00416.59
7.4.90.0090.00916.32
7.4.80.0070.01719.39
7.4.70.0070.01016.47
7.4.60.0100.01016.55
7.4.50.0000.00816.71
7.4.40.0130.00322.77
7.4.30.0120.00516.39
7.4.00.0070.00814.99
7.3.330.0050.00013.02
7.3.320.0000.00712.86
7.3.310.0070.00016.18
7.3.300.0030.00316.12
7.3.290.0000.01416.19
7.3.280.0060.01016.21
7.3.270.0140.00317.40
7.3.260.0100.00716.46
7.3.250.0090.00816.32
7.3.240.0060.00916.14
7.3.230.0100.00716.39
7.3.210.0130.01016.50
7.3.200.0120.00619.39
7.3.190.0090.00616.53
7.3.180.0100.00716.42
7.3.170.0100.01016.27
7.3.160.0070.01016.30
7.3.120.0080.00814.80
7.3.110.0070.00414.69
7.3.100.0090.00514.72
7.3.90.0030.00814.57
7.3.80.0060.00714.64
7.3.70.0070.00814.76
7.3.60.0060.00814.73
7.3.50.0060.00814.74
7.3.40.0050.00914.59
7.3.30.0050.00914.76
7.3.20.0090.00516.70
7.3.10.0100.00716.42
7.3.00.0070.00716.62
7.2.330.0060.01116.58
7.2.320.0030.01416.58
7.2.310.0100.00616.63
7.2.300.0000.01616.41
7.2.290.0090.01316.58
7.2.250.0130.00315.00
7.2.240.0030.01415.01
7.2.230.0040.00714.97
7.2.220.0070.00514.94
7.2.210.0080.00614.85
7.2.200.0110.00315.12
7.2.190.0050.00715.10
7.2.180.0050.01114.82
7.2.170.0050.00614.85
7.2.160.0000.01414.81
7.2.150.0060.00616.93
7.2.140.0100.00616.78
7.2.130.0040.01116.93
7.2.120.0140.00316.79
7.2.110.0130.00316.87
7.2.100.0040.01116.92
7.2.90.0030.00916.69
7.2.80.0100.00717.07
7.2.70.0100.00316.95
7.2.60.0060.01016.71
7.2.50.0120.00316.72
7.2.40.0090.00616.86
7.2.30.0070.00716.54
7.2.20.0070.00716.68
7.2.10.0090.00916.96
7.2.00.0060.00618.17
7.1.330.0050.00815.85
7.1.320.0050.00715.64
7.1.310.0060.00415.65
7.1.300.0060.00715.69
7.1.290.0060.00815.60
7.1.280.0070.00515.60
7.1.270.0020.01215.52
7.1.260.0040.01115.78
7.1.250.0000.01015.63
7.1.100.0050.00318.20
7.1.70.0070.00717.14
7.1.60.0060.01919.17
7.1.50.0110.01516.97
7.1.00.0000.05022.33
7.0.200.0030.00616.86
7.0.140.0070.06722.10
7.0.60.0170.04320.07
7.0.50.0070.08017.91
7.0.40.0100.05320.21
7.0.30.0200.07020.21
7.0.20.0200.09020.19
7.0.10.0270.05320.33
7.0.00.0170.06320.31
5.6.280.0070.07021.12
5.6.210.0000.08320.66
5.6.200.0100.05018.19
5.6.190.0130.04320.43
5.6.180.0330.06320.61
5.6.170.0170.04020.33
5.6.160.0100.08018.18
5.6.150.0030.04018.08
5.6.140.0100.07318.21
5.6.130.0030.04718.22
5.6.120.0070.04021.11
5.6.110.0100.05021.02
5.6.100.0130.08021.13
5.6.90.0070.04321.02
5.6.80.0130.07320.49
5.5.350.0100.07320.38
5.5.340.0070.04317.98
5.5.330.0030.06320.21
5.5.320.0430.06720.26
5.5.310.0300.07020.16
5.5.300.0100.07317.98
5.5.290.0030.05017.91
5.5.280.0030.04720.88
5.5.270.0100.03720.79
5.5.260.0100.07020.88
5.5.250.0100.08020.58
5.5.240.0130.03720.25
5.4.450.4130.04019.23
5.4.440.4130.03719.45
5.4.430.3630.03719.52
5.4.420.3500.04019.39
5.4.410.3570.03719.36
5.4.400.3300.04019.17
5.4.390.0070.05018.79
5.4.380.3470.04318.91
5.4.370.3700.03719.13
5.4.360.4030.03718.79
5.4.350.3600.04019.10
5.4.340.3430.03319.08
5.4.320.3370.04319.25
5.4.310.2730.04719.25
5.4.300.0130.04319.12
5.4.290.2600.03719.13
5.4.280.4100.03019.09
5.4.270.3300.03319.09
5.4.260.3070.04019.12
5.4.250.3370.03319.23
5.4.240.3400.03719.09
5.4.230.3500.03018.92
5.4.220.3430.04718.88
5.4.210.3470.03719.14
5.4.200.3600.03718.89
5.4.190.3600.03319.12
5.4.180.3830.02319.07
5.4.170.3600.03318.80
5.4.160.4000.04019.05
5.4.150.3830.03719.19
5.4.140.3770.03316.38
5.4.130.4030.03316.23
5.4.120.4030.03316.24
5.4.110.2900.03716.47
5.4.100.2970.04016.30
5.4.90.3100.03316.47
5.4.80.3170.03016.42
5.4.70.3100.04016.41
5.4.60.2800.03316.39
5.4.50.3030.04316.41
5.4.40.3400.03716.18
5.4.30.3030.04016.39
5.4.20.3400.04016.36
5.4.10.2830.04016.04
5.4.00.3630.03715.90
5.3.290.3500.04314.63
5.3.280.3330.04714.50
5.3.270.3970.03714.44
5.3.260.3830.03314.48
5.3.250.3830.04014.55
5.3.240.3800.03714.46
5.3.230.3700.04014.46
5.3.220.3270.03314.61
5.3.210.2700.04314.59
5.3.200.2970.03014.41
5.3.190.3400.03314.65
5.3.180.3770.03014.61
5.3.170.2930.04014.42
5.3.160.3070.02314.50
5.3.150.2800.04314.50
5.3.140.3100.03714.58
5.3.130.3200.03314.43
5.3.120.3130.03314.52
5.3.110.3430.03714.49
5.3.100.3430.03013.87
5.3.90.3200.02713.95
5.3.80.2930.04014.06
5.3.70.3130.03013.89
5.3.60.3400.03714.09
5.3.50.3670.04313.74
5.3.40.3470.03313.88
5.3.30.3300.03713.71
5.3.20.3070.03313.52
5.3.10.3230.03013.68
5.3.00.3170.03713.66
5.2.170.2800.03011.16
5.2.160.2970.02711.00
5.2.150.2730.03311.15
5.2.140.2570.02711.19
5.2.130.2800.03010.94
5.2.120.2800.03010.93
5.2.110.3070.03310.94
5.2.100.4270.03011.11
5.2.90.3470.02711.15
5.2.80.3370.03011.11
5.2.70.3230.03711.18
5.2.60.3400.03010.93
5.2.50.3430.02310.86
5.2.40.3000.02710.80
5.2.30.2870.03010.83
5.2.20.2930.03011.00
5.2.10.2800.02310.96
5.2.00.2830.02710.68
5.1.60.2630.0279.99
5.1.50.3030.0239.92
5.1.40.2500.0279.85
5.1.30.2500.03010.33
5.1.20.2230.02310.27
5.1.10.2300.0309.94
5.1.00.2730.01710.29
5.0.50.1230.0208.77
5.0.40.1300.0208.72
5.0.30.1230.0308.72
5.0.20.1370.0238.72
5.0.10.1330.0238.72
5.0.00.1370.0308.72
4.4.90.1500.0138.72
4.4.80.1470.0208.72
4.4.70.1600.0178.72
4.4.60.1600.0178.72
4.4.50.1470.0108.72
4.4.40.1670.0278.72
4.4.30.1430.0178.72
4.4.20.1530.0108.72
4.4.10.1370.0178.72
4.4.00.1400.0308.72
4.3.110.1330.0178.72
4.3.100.1100.0208.72
4.3.90.1100.0178.72
4.3.80.1370.0278.72
4.3.70.1270.0178.72
4.3.60.1230.0178.73
4.3.50.1300.0208.73
4.3.40.1400.0278.73
4.3.30.0500.0178.73
4.3.20.0670.0178.73
4.3.10.0830.0208.73
4.3.00.0770.0238.73

preferences:
52.58 ms | 401 KiB | 5 Q