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";

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)
8.3.60.0110.00416.75
8.3.50.0130.00917.32
8.3.40.0080.00518.67
8.3.30.0120.00418.85
8.3.20.0040.00418.48
8.3.10.0060.00318.74
8.3.00.0110.00019.25
8.2.180.0120.00916.63
8.2.170.0070.00722.96
8.2.160.0030.01321.02
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00420.75
8.2.110.0000.01021.17
8.2.100.0080.00317.91
8.2.90.0050.00519.52
8.2.80.0060.00319.30
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0070.00318.11
8.2.30.0070.00017.96
8.2.20.0000.00817.46
8.2.10.0030.00517.56
8.2.00.0000.00717.66
8.1.280.0030.01225.92
8.1.270.0070.00024.66
8.1.260.0030.00526.35
8.1.250.0030.00528.09
8.1.240.0090.00922.55
8.1.230.0040.00720.88
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0080.00018.10
8.1.170.0000.00718.78
8.1.160.0040.00418.73
8.1.150.0070.00018.57
8.1.140.0030.00617.44
8.1.130.0030.00317.81
8.1.120.0000.00717.31
8.1.110.0000.00717.38
8.1.100.0040.00317.39
8.1.90.0070.00017.34
8.1.80.0070.00017.41
8.1.70.0000.00717.36
8.1.60.0040.00417.38
8.1.50.0050.00317.30
8.1.40.0070.00017.27
8.1.30.0030.00517.61
8.1.20.0020.00517.53
8.1.10.0000.00717.52
8.1.00.0040.00417.46
8.0.300.0070.00019.90
8.0.290.0040.00416.88
8.0.280.0000.00718.39
8.0.270.0030.00317.14
8.0.260.0000.00816.84
8.0.250.0070.00016.93
8.0.240.0030.00316.86
8.0.230.0070.00016.92
8.0.220.0050.00216.89
8.0.210.0030.00316.86
8.0.200.0080.00016.89
8.0.190.0000.00816.97
8.0.180.0000.00716.92
8.0.170.0030.00716.89
8.0.160.0000.00716.93
8.0.150.0070.00016.84
8.0.140.0020.00516.82
8.0.130.0000.00513.36
8.0.120.0000.00816.80
8.0.110.0060.00316.91
8.0.100.0070.00016.88
8.0.90.0040.00416.88
8.0.80.0100.01016.89
8.0.70.0040.00416.77
8.0.60.0050.00216.81
8.0.50.0000.00816.94
8.0.30.0150.00317.18
8.0.20.0120.00716.92
8.0.10.0040.00417.03
8.0.00.0110.00616.75
7.4.330.0000.00612.98
7.4.320.0030.00316.36
7.4.300.0000.00716.49
7.4.290.0030.00716.60
7.4.280.0030.00616.60
7.4.270.0070.00016.40
7.4.260.0030.00313.25
7.4.250.0040.00416.51
7.4.240.0040.00316.43
7.4.230.0030.00316.62
7.4.220.0110.01116.64
7.4.210.0050.01016.54
7.4.200.0030.00316.60
7.4.190.0080.00016.65
7.4.160.0140.00716.52
7.4.150.0110.00716.62
7.4.140.0080.01316.41
7.4.130.0110.00816.49
7.4.120.0090.00916.43
7.4.110.0100.00916.38
7.4.100.0060.01316.39
7.4.90.0100.00716.53
7.4.80.0070.01619.39
7.4.70.0070.01016.58
7.4.60.0030.01316.47
7.4.50.0110.00316.56
7.4.40.0170.00016.48
7.4.30.0160.00016.43
7.4.10.0070.01115.07
7.4.00.0080.00914.69
7.3.330.0030.00313.04
7.3.320.0000.00512.90
7.3.310.0040.00416.09
7.3.300.0050.00216.16
7.3.290.0100.01016.13
7.3.280.0060.01216.17
7.3.270.0110.00616.30
7.3.260.0210.00316.28
7.3.250.0160.00616.19
7.3.240.0060.01016.19
7.3.230.0110.00516.25
7.3.210.0030.01616.45
7.3.200.0170.00016.15
7.3.190.0070.01416.56
7.3.180.0040.01216.39
7.3.170.0090.00616.22
7.3.160.0080.00816.38
7.3.130.0110.00714.64
7.3.120.0060.01014.76
7.3.110.0130.00714.71
7.3.100.0030.01014.76
7.3.90.0100.00714.73
7.3.80.0000.01414.83
7.3.70.0000.01114.64
7.3.60.0080.00414.71
7.3.50.0060.00914.75
7.3.40.0100.00714.75
7.3.30.0070.00314.50
7.3.20.0030.01016.55
7.3.10.0000.01416.68
7.3.00.0000.01116.40
7.2.330.0070.01116.41
7.2.320.0060.01216.67
7.2.310.0090.01216.49
7.2.300.0120.00916.29
7.2.290.0080.00816.45
7.2.260.0030.01614.80
7.2.250.0070.01114.54
7.2.240.0070.00714.66
7.2.230.0100.00715.14
7.2.220.0070.01014.95
7.2.210.0000.01015.12
7.2.200.0000.01415.03
7.2.190.0040.01114.92
7.2.180.0060.00314.91
7.2.170.0000.01714.89
7.2.160.0060.00914.84
7.2.150.0130.00316.65
7.2.140.0100.00616.94
7.2.130.0000.01016.86
7.2.120.0080.00416.95
7.2.110.0030.01016.88
7.2.100.0130.00316.67
7.2.90.0000.01116.96
7.2.80.0090.00616.59
7.2.70.0120.00316.83
7.2.60.0060.00616.85
7.2.50.0000.01316.66
7.2.40.0060.00616.57
7.2.30.0000.01816.90
7.2.20.0070.00716.66
7.2.10.0030.01216.61
7.2.00.0020.01218.12
7.1.330.0070.00715.34
7.1.320.0090.00615.89
7.1.310.0000.01615.65
7.1.300.0070.00315.63
7.1.290.0070.00715.86
7.1.280.0060.00915.64
7.1.270.0000.01215.42
7.1.260.0090.00415.57
7.1.250.0100.00715.89
7.1.240.0070.00715.78
7.1.230.0030.01015.82
7.1.220.0040.00415.89
7.1.210.0030.01015.52
7.1.200.0110.00315.59
7.1.190.0040.01115.39
7.1.180.0060.00615.81
7.1.170.0070.01015.45
7.1.160.0040.01115.79
7.1.150.0030.01015.77
7.1.140.0040.00715.70
7.1.130.0090.00315.73
7.1.120.0030.01015.43
7.1.110.0000.00915.64
7.1.100.0100.00416.79
7.1.90.0060.00615.69
7.1.80.0000.01215.74
7.1.70.0040.00916.33
7.1.60.0070.01517.51
7.1.50.0080.01116.39
7.1.40.0040.01215.79
7.1.30.0060.00915.85
7.1.20.0030.00915.53
7.1.10.0080.00315.71
7.1.00.0050.03219.01
7.0.330.0040.00415.45
7.0.320.0060.00615.50
7.0.310.0060.00915.52
7.0.300.0060.00915.56
7.0.290.0080.00015.49
7.0.280.0060.01015.08
7.0.270.0060.00615.37
7.0.260.0030.01015.49
7.0.250.0080.00315.22
7.0.240.0060.00615.60
7.0.230.0030.00715.52
7.0.220.0030.00715.36
7.0.210.0000.01215.39
7.0.200.0020.00916.18
7.0.190.0030.01015.56
7.0.180.0030.01415.54
7.0.170.0080.00615.48
7.0.160.0030.00615.18
7.0.150.0000.01315.52
7.0.140.0020.04418.70
7.0.130.0030.01215.31
7.0.120.0020.02218.84
7.0.110.0030.00615.48
7.0.100.0030.01015.29
7.0.90.0110.00315.48
7.0.80.0100.00315.27
7.0.70.0000.01115.34
7.0.60.0050.03217.55
7.0.50.0050.04516.59
7.0.40.0040.02516.83
7.0.30.0200.04316.83
7.0.20.0160.02816.89
7.0.10.0080.02216.79
7.0.00.0050.03016.86
5.6.400.0030.01014.44
5.6.390.0030.00714.30
5.6.380.0000.01414.37
5.6.370.0070.00714.50
5.6.360.0120.00314.36
5.6.350.0100.00314.47
5.6.340.0030.00614.31
5.6.330.0000.01313.89
5.6.320.0060.00914.20
5.6.310.0040.01113.90
5.6.300.0030.01014.30
5.6.290.0080.00414.12
5.6.280.0070.03917.79
5.6.270.0070.00714.24
5.6.260.0060.00614.38
5.6.250.0040.00814.01
5.6.240.0070.00714.11
5.6.230.0000.00814.25
5.6.220.0080.00414.50
5.6.210.0080.04117.52
5.6.200.0070.04616.11
5.6.190.0040.04217.44
5.6.180.0170.02617.35
5.6.170.0100.04717.20
5.6.160.0220.04017.25
5.6.150.0070.02616.00
5.6.140.0030.03116.14
5.6.130.0070.04316.02
5.6.120.0030.02617.65
5.6.110.0120.03717.58
5.6.100.0080.04517.48
5.6.90.0090.03317.64
5.6.80.0050.03417.40
5.6.70.0110.00414.24
5.6.60.0070.00714.10
5.6.50.0110.00614.16
5.6.40.0040.00814.14
5.6.30.0040.01114.16
5.6.20.0100.00314.22
5.6.10.0070.00713.87
5.6.00.0000.01214.09
5.5.380.0090.00614.13
5.5.370.0030.01014.27
5.5.360.0090.00313.93
5.5.350.0120.04417.28
5.5.340.0000.02416.18
5.5.330.0030.02517.07
5.5.320.0230.02917.18
5.5.310.0180.03917.27
5.5.300.0080.04415.89
5.5.290.0040.02915.95
5.5.280.0030.02517.50
5.5.270.0080.04317.54
5.5.260.0050.03517.43
5.5.250.0020.04917.23
5.5.240.0010.03416.96
5.5.230.0140.00013.90
5.5.220.0070.00414.00
5.5.210.0040.00913.89
5.5.200.0060.00614.01
5.5.190.0070.00713.98
5.5.180.0080.00414.30
5.5.170.0000.01513.92
5.5.160.0090.00614.04
5.5.150.0070.00414.33
5.5.140.0000.01313.93
5.5.130.0090.00014.05
5.5.120.0060.00913.85
5.5.110.0040.00814.16
5.5.100.0090.00014.09
5.5.90.0000.01413.90
5.5.80.0090.00613.88
5.5.70.0030.01014.02
5.5.60.0040.01113.59
5.5.50.0090.00614.18
5.5.40.0070.00713.78
5.5.30.0040.01213.87
5.5.20.0030.01014.29
5.5.10.0100.00313.41
5.5.00.0070.00713.95
5.4.450.0020.02615.50
5.4.440.0030.03015.54
5.4.430.0060.04515.54
5.4.420.0050.02515.39
5.4.410.0040.03915.52
5.4.400.0100.01815.24
5.4.390.0050.04115.24
5.4.380.0060.04015.41
5.4.370.0080.04115.41
5.4.360.0030.02315.37
5.4.350.0050.04515.43
5.4.340.0000.04815.41
5.4.330.0090.00311.67
5.4.320.0050.03715.38
5.4.310.0030.04015.41
5.4.300.0080.04015.42
5.4.290.0100.03615.40
5.4.280.0080.02315.39
5.4.270.0030.02815.23
5.4.260.0070.03815.40
5.4.250.0050.02915.40
5.4.240.0060.03515.40
5.4.230.0050.03215.40
5.4.220.0080.03815.23
5.4.210.0110.03215.29
5.4.200.0100.02715.42
5.4.190.0030.02815.42
5.4.180.0070.04015.40
5.4.170.0050.02815.29
5.4.160.0080.02315.41
5.4.150.0090.01815.29
5.4.140.0070.03914.01
5.4.130.0030.02914.00
5.4.120.0020.02413.92
5.4.110.0030.04013.98
5.4.100.0080.02014.03
5.4.90.0070.02314.03
5.4.80.0030.02213.95
5.4.70.0030.04113.96
5.4.60.0050.02414.02
5.4.50.0090.04113.90
5.4.40.0050.04013.96
5.4.30.0030.02314.00
5.4.20.0010.02413.98
5.4.10.0050.03514.01
5.4.00.0050.03413.68
5.3.290.0120.03613.16
5.3.280.0050.04113.08
5.3.270.0070.04213.14
5.3.260.0050.04013.10
5.3.250.0030.02813.11
5.3.240.0030.02813.09
5.3.230.0050.04013.12
5.3.220.0030.04213.09
5.3.210.0070.03513.06
5.3.200.0020.03313.16
5.3.190.0080.02713.09
5.3.180.0070.02013.10
5.3.170.0080.01813.09
5.3.160.0070.02713.06
5.3.150.0030.02813.08
5.3.140.0050.02813.09
5.3.130.0010.02613.06
5.3.120.0050.04513.07
5.3.110.0070.03213.07
5.3.100.0070.02312.82
5.3.90.0000.02612.81
5.3.80.0040.02912.81
5.3.70.0050.02512.83
5.3.60.0130.01712.88
5.3.50.0020.02312.77
5.3.40.0050.03112.77
5.3.30.0030.02512.75
5.3.20.0050.02612.66
5.3.10.0060.03512.63
5.3.00.0090.04012.67
5.2.170.0030.06311.13
5.2.160.0030.05711.13
5.2.150.0000.04711.30
5.2.140.0030.04010.96
5.2.130.0030.03310.98
5.2.120.0070.03311.27
5.2.110.0030.06011.04
5.2.100.0030.03711.09
5.2.90.0070.04310.98
5.2.80.0070.06311.06
5.2.70.0000.03311.10
5.2.60.0030.04010.97
5.2.50.0070.05011.09
5.2.40.0030.06010.84
5.2.30.0070.06310.87
5.2.20.0030.06310.93
5.2.10.0030.06310.91
5.2.00.0030.03710.59
5.1.60.0070.0509.95
5.1.50.0030.03310.14
5.1.40.0170.03310.11
5.1.30.0100.05710.47
5.1.20.0030.05710.27
5.1.10.0030.03710.03
5.1.00.0030.06010.08
5.0.50.0070.0208.69
5.0.40.0000.0238.37
5.0.30.0030.0308.20
5.0.20.0100.0208.16
5.0.10.0000.0278.31
5.0.00.0070.0538.12
4.4.90.0030.0277.93
4.4.80.0000.0407.93
4.4.70.0000.0207.93
4.4.60.0030.0237.93
4.4.50.0000.0337.93
4.4.40.0100.0377.93
4.4.30.0070.0337.93
4.4.20.0000.0337.93
4.4.10.0000.0407.93
4.4.00.0100.0507.93
4.3.110.0030.0237.93
4.3.100.0030.0137.93
4.3.90.0000.0237.93
4.3.80.0000.0577.93
4.3.70.0030.0207.93
4.3.60.0000.0237.93
4.3.50.0030.0237.93
4.3.40.0000.0577.93
4.3.30.0000.0237.93
4.3.20.0000.0377.93
4.3.10.0030.0237.93
4.3.00.0000.0207.93

preferences:
40.98 ms | 401 KiB | 5 Q