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("%d", $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)
8.3.60.0100.00318.43
8.3.50.0130.00521.08
8.3.40.0140.00718.85
8.3.30.0070.00720.22
8.3.20.0000.00720.16
8.3.10.0060.00322.09
8.3.00.0050.00322.51
8.2.180.0160.00316.48
8.2.170.0110.00322.96
8.2.160.0140.00022.21
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00220.75
8.2.110.0040.00422.16
8.2.100.0040.00717.91
8.2.90.0070.00019.23
8.2.80.0000.00719.34
8.2.70.0040.00417.50
8.2.60.0000.01218.04
8.2.50.0040.00418.07
8.2.40.0040.00418.12
8.2.30.0040.00419.42
8.2.20.0070.00017.61
8.2.10.0000.00817.68
8.2.00.0040.00417.77
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0050.00522.50
8.1.230.0110.00020.85
8.1.220.0030.00518.77
8.1.210.0000.00818.91
8.1.200.0000.00917.24
8.1.190.0000.00817.40
8.1.180.0090.00018.10
8.1.170.0040.00418.58
8.1.160.0080.00018.81
8.1.150.0000.00818.50
8.1.140.0000.00717.30
8.1.130.0030.00317.82
8.1.120.0030.00317.38
8.1.110.0040.00417.29
8.1.100.0050.00217.46
8.1.90.0030.00517.34
8.1.80.0000.00717.33
8.1.70.0000.00717.29
8.1.60.0040.00417.36
8.1.50.0080.00017.41
8.1.40.0090.00317.46
8.1.30.0040.00417.41
8.1.20.0040.00417.56
8.1.10.0000.00817.49
8.1.00.0040.00417.32
8.0.300.0040.00420.02
8.0.290.0040.00417.29
8.0.280.0000.00818.37
8.0.270.0000.00717.24
8.0.260.0030.00316.79
8.0.250.0030.00316.90
8.0.240.0000.00916.84
8.0.230.0070.00016.95
8.0.220.0040.00416.89
8.0.210.0000.00816.91
8.0.200.0050.00216.81
8.0.190.0000.00716.91
8.0.180.0040.00416.82
8.0.170.0040.00416.88
8.0.160.0030.00316.89
8.0.150.0030.00516.83
8.0.140.0110.00016.89
8.0.130.0000.00613.34
8.0.120.0000.00816.77
8.0.110.0040.00416.76
8.0.100.0040.00416.75
8.0.90.0000.00717.00
8.0.80.0070.01116.89
8.0.70.0020.00516.83
8.0.60.0000.00816.79
8.0.50.0070.00016.94
8.0.30.0140.00517.01
8.0.20.0020.01717.40
8.0.10.0040.00417.07
8.0.00.0130.00816.74
7.4.330.0030.00316.84
7.4.320.0000.00616.41
7.4.300.0030.00316.49
7.4.290.0000.00716.43
7.4.280.0000.00816.39
7.4.270.0030.00316.59
7.4.260.0030.00313.21
7.4.250.0040.00416.48
7.4.240.0020.00516.53
7.4.230.0040.00416.38
7.4.220.0070.01816.68
7.4.210.0030.01016.63
7.4.200.0030.00316.39
7.4.190.0030.00316.61
7.4.160.0080.00816.61
7.4.150.0070.01417.40
7.4.140.0100.00917.86
7.4.130.0110.00616.61
7.4.120.0090.00916.45
7.4.110.0080.00916.46
7.4.100.0200.00316.27
7.4.90.0110.00616.51
7.4.80.0120.00619.39
7.4.70.0100.00616.51
7.4.60.0000.01616.62
7.4.50.0000.00916.47
7.4.40.0040.01422.77
7.4.30.0090.00616.50
7.4.00.0060.00914.80
7.3.330.0000.00613.11
7.3.320.0000.00613.05
7.3.310.0000.00716.11
7.3.300.0040.00416.14
7.3.290.0090.00916.30
7.3.280.0050.01116.15
7.3.270.0030.01317.40
7.3.260.0190.00016.48
7.3.250.0160.00516.29
7.3.240.0130.00416.26
7.3.230.0100.00716.39
7.3.210.0080.00816.02
7.3.200.0100.01119.39
7.3.190.0100.01316.15
7.3.180.0060.00916.32
7.3.170.0120.00916.27
7.3.160.0120.00316.32
7.3.120.0070.01014.93
7.3.00.0060.01316.28
7.2.330.0140.00416.63
7.2.320.0120.00616.66
7.2.310.0170.00616.64
7.2.300.0180.00316.28
7.2.290.0080.00816.52
7.2.130.0100.00716.57
7.2.120.0130.00316.67
7.2.110.0040.01116.89
7.2.100.0130.00716.75
7.2.90.0070.01116.83
7.2.80.0100.01016.69
7.2.70.0180.00316.75
7.2.60.0170.00316.59
7.2.50.0140.00016.26
7.2.40.0070.01016.83
7.2.30.0100.00316.84
7.2.20.0120.00316.76
7.2.10.0120.00316.49
7.2.00.0060.00918.04
7.1.250.0090.00615.67
7.1.240.0040.01115.40
7.1.230.0140.00015.75
7.1.220.0110.00415.67
7.1.210.0190.00015.73
7.1.200.0060.00915.43
7.1.190.0120.00315.41
7.1.180.0090.00615.72
7.1.170.0110.00415.54
7.1.160.0060.00615.84
7.1.150.0030.00915.73
7.1.140.0090.00615.80
7.1.130.0030.01015.76
7.1.120.0070.01115.56
7.1.110.0060.00915.90
7.1.100.0080.00616.79
7.1.90.0030.01115.78
7.1.80.0060.00815.81
7.1.70.0100.00316.48
7.1.60.0100.00817.39
7.1.50.0150.00825.15
7.1.40.0070.00715.85
7.1.30.0090.00315.62
7.1.20.0040.00815.44
7.1.10.0060.01015.28
7.1.00.0100.03519.04
7.0.330.0080.00415.46
7.0.320.0060.00615.32
7.0.310.0130.00315.36
7.0.300.0100.00715.33
7.0.290.0060.00615.45
7.0.280.0100.00615.36
7.0.270.0090.00615.34
7.0.260.0060.00915.38
7.0.250.0090.00615.56
7.0.240.0100.01015.07
7.0.230.0070.00715.25
7.0.220.0170.00015.36
7.0.210.0130.00315.61
7.0.200.0080.00515.85
7.0.190.0070.00715.30
7.0.180.0100.00614.93
7.0.170.0120.00315.30
7.0.160.0140.00015.21
7.0.150.0070.00715.26
7.0.140.0020.04418.71
7.0.130.0130.00315.33
7.0.120.0080.00815.41
7.0.110.0100.00715.13
7.0.100.0100.00615.31
7.0.90.0030.01015.22
7.0.80.0070.04917.52
7.0.70.0330.04817.51
7.0.60.0400.03517.59
7.0.50.0280.04217.74
7.0.40.0050.03516.66
7.0.30.0050.02916.81
7.0.20.0050.02116.61
7.0.10.0080.02016.72
7.0.00.0030.02816.63
5.6.380.0090.00614.12
5.6.370.0000.01113.99
5.6.360.0090.00414.43
5.6.350.0040.01114.44
5.6.340.0030.00713.86
5.6.330.0000.01514.20
5.6.320.0090.00614.39
5.6.310.0100.00314.19
5.6.300.0000.01514.29
5.6.290.0090.00614.38
5.6.280.0120.03517.43
5.6.270.0100.00614.03
5.6.260.0080.00614.00
5.6.250.0040.00914.43
5.6.240.0060.01313.98
5.6.230.0090.04617.40
5.6.220.0110.04317.34
5.6.210.0110.04317.21
5.6.200.0080.03817.57
5.6.190.0050.04017.42
5.6.180.0090.04217.39
5.6.170.0090.02017.47
5.6.160.0030.02617.47
5.6.150.0050.02517.42
5.6.140.0060.04217.46
5.6.130.0040.02717.76
5.6.120.0080.02517.42
5.6.110.0100.03417.57
5.6.100.0120.02117.53
5.6.90.0090.02417.61
5.6.80.0110.02317.16
5.6.70.0070.02417.20
5.6.60.0050.02517.36
5.6.50.0040.02217.19
5.6.40.0050.03817.30
5.6.30.0060.02517.21
5.6.20.0100.02217.17
5.6.10.0090.02717.30
5.6.00.0080.02617.22
5.5.380.0110.00310.75
5.5.370.0050.04015.51
5.5.360.0050.03815.46
5.5.350.0030.02915.53
5.5.340.0120.04015.71
5.5.330.0020.02915.86
5.5.320.0070.03715.79
5.5.310.0030.02815.76
5.5.300.0030.02515.81
5.5.290.0110.04315.94
5.5.280.0040.03615.79
5.5.270.0140.03615.79
5.5.260.0050.02415.84
5.5.250.0040.02415.64
5.5.240.0120.01715.44
5.5.230.0070.02315.29
5.5.220.0070.03615.32
5.5.210.0060.02415.45
5.5.200.0050.02215.34
5.5.190.0070.03115.47
5.5.180.0050.02815.35
5.5.170.0120.00410.45
5.5.160.0020.02315.54
5.5.150.0030.02915.60
5.5.140.0050.03715.36
5.5.130.0020.02615.66
5.5.120.0070.02715.63
5.5.110.0020.02815.43
5.5.100.0050.02415.41
5.5.90.0060.04315.50
5.5.80.0100.03815.38
5.5.70.0120.02815.34
5.5.60.0070.02215.54
5.5.50.0050.04215.55
5.5.40.0030.04315.43
5.5.30.0110.03815.47
5.5.20.0100.03815.38
5.5.10.0070.02315.50
5.5.00.0080.02515.29
5.4.450.0060.02215.12
5.4.440.0040.02615.20
5.4.430.0110.02315.15
5.4.420.0050.02315.21
5.4.410.0040.02515.08
5.4.400.0060.02614.84
5.4.390.0090.02514.73
5.4.380.0140.02415.02
5.4.370.0050.02514.79
5.4.360.0110.02814.93
5.4.350.0090.02614.99
5.4.340.0080.03115.01
5.4.330.0120.00410.80
5.4.320.0070.02115.12
5.4.310.0140.02714.89
5.4.300.0090.02015.01
5.4.290.0070.02314.81
5.4.280.0060.02314.97
5.4.270.0090.03814.91
5.4.260.0060.02614.85
5.4.250.0040.02515.03
5.4.240.0080.04114.92
5.4.230.0060.03014.99
5.4.220.0070.03614.94
5.4.210.0080.04515.00
5.4.200.0080.04115.02
5.4.190.0030.04514.95
5.4.180.0100.03914.89
5.4.170.0090.04115.02
5.4.160.0070.04214.95
5.4.150.0080.02314.78
5.4.140.0100.03613.41
5.4.130.0110.03613.61
5.4.120.0100.03913.49
5.4.110.0100.02813.64
5.4.100.0070.04113.60
5.4.90.0080.02613.51
5.4.80.0100.03713.54
5.4.70.0110.03713.55
5.4.60.0080.04113.56
5.4.50.0070.04013.54
5.4.40.0020.04013.65
5.4.30.0020.03913.61
5.4.20.0080.02013.53
5.4.10.0050.03713.58
5.4.00.0050.03213.21
5.3.290.0090.02312.59
5.3.280.0110.03512.50
5.3.270.0110.01812.57
5.3.260.0050.02612.45
5.3.250.0100.02212.53
5.3.240.0090.03012.51
5.3.230.0150.03612.49
5.3.220.0070.02912.42
5.3.210.0060.02512.48
5.3.200.0070.03112.44
5.3.190.0070.04512.48
5.3.180.0110.03712.48
5.3.170.0090.03812.50
5.3.160.0090.03712.48
5.3.150.0080.03812.45
5.3.140.0050.04312.49
5.3.130.0000.02912.41
5.3.120.0080.03712.49
5.3.110.0070.03012.49
5.3.100.0020.04212.23
5.3.90.0050.02612.22
5.3.80.0030.04212.22
5.3.70.0080.02412.21
5.3.60.0080.03612.10
5.3.50.0050.04112.20
5.3.40.0040.04112.17
5.3.30.0040.03212.14
5.3.20.0070.03712.02
5.3.10.0030.04012.03
5.3.00.0040.02612.01
5.2.170.0060.02811.09
5.2.160.0020.02111.09
5.2.150.0050.03211.09
5.2.140.0050.03211.09
5.2.130.0080.02511.09
5.2.120.0030.02211.09
5.2.110.0020.03611.09
5.2.100.0070.03211.09
5.2.90.0060.03411.09
5.2.80.0070.03111.09
5.2.70.0070.02911.09
5.2.60.0060.02911.09
5.2.50.0070.03511.09
5.2.40.0060.03211.09
5.2.30.0080.01611.09
5.2.20.0020.02711.09
5.2.10.0020.03111.09
5.2.00.0040.03011.09
5.1.60.0020.02111.09
5.1.50.0040.02811.09
5.1.40.0030.02111.09
5.1.30.0080.02311.09
5.1.20.0030.02811.09
5.1.10.0050.02511.09
5.1.00.0080.02111.09
5.0.50.0020.02011.09
5.0.40.0030.01911.09
5.0.30.0030.03011.09
5.0.20.0010.02311.09
5.0.10.0050.02211.09
5.0.00.0020.03211.09
4.4.90.0070.01511.09
4.4.80.0040.01711.09
4.4.70.0050.01711.09
4.4.60.0020.02011.09
4.4.50.0020.01511.09
4.4.40.0020.02711.09
4.4.30.0020.01311.09
4.4.20.0050.01511.09
4.4.10.0010.01411.09
4.4.00.0020.01311.09
4.3.110.0030.01811.09
4.3.100.0030.01011.09
4.3.90.0000.02011.09
4.3.80.0000.03011.09
4.3.70.0020.01711.09
4.3.60.0020.01911.09
4.3.50.0030.01611.09
4.3.40.0020.02311.09
4.3.30.0010.01911.09
4.3.20.0030.01311.09
4.3.10.0020.02011.09
4.3.00.0000.01211.09

preferences:
54.32 ms | 401 KiB | 5 Q