3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t1 = decbin(193); echo $t1; echo "\n"; $t2 = substr($t1, 0, 6); echo $t2; echo "\n"; $t3 = bindec($t2); echo $t3; echo "\n"; var_dump(chr($t3)); //echo $t4; echo "\n"; echo chr(bindec(substr(decbin(193), 0, 6)));

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)
8.3.60.0100.00716.50
8.3.50.0050.01121.91
8.3.40.0040.01118.63
8.3.30.0070.00719.09
8.3.20.0040.00420.20
8.3.10.0050.00323.61
8.3.00.0040.00420.95
8.2.180.0110.00716.75
8.2.170.0120.00622.96
8.2.160.0090.00420.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0050.00320.88
8.2.110.0030.00721.00
8.2.100.0100.00319.21
8.2.90.0030.00619.30
8.2.80.0040.00420.50
8.2.70.0040.00417.63
8.2.60.0030.00717.80
8.2.50.0000.00818.07
8.2.40.0000.00821.01
8.2.30.0050.00318.31
8.2.20.0000.00717.60
8.2.10.0070.00018.05
8.2.00.0040.00417.61
8.1.280.0060.01225.92
8.1.270.0030.00623.96
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00022.05
8.1.230.0000.01121.04
8.1.220.0060.00317.74
8.1.210.0040.00418.90
8.1.200.0050.00517.22
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0000.00818.55
8.1.160.0040.00421.93
8.1.150.0070.00018.44
8.1.140.0000.00817.40
8.1.130.0070.00017.84
8.1.120.0000.00717.48
8.1.110.0000.00817.25
8.1.100.0030.00517.31
8.1.90.0040.00417.36
8.1.80.0030.00317.30
8.1.70.0000.00717.33
8.1.60.0030.00617.52
8.1.50.0060.00317.50
8.1.40.0040.00417.38
8.1.30.0040.00417.50
8.1.20.0030.00717.49
8.1.10.0040.00417.53
8.1.00.0000.00817.43
8.0.300.0000.00820.07
8.0.290.0050.00216.63
8.0.280.0070.00018.52
8.0.270.0040.00417.19
8.0.260.0030.00317.28
8.0.250.0000.00716.99
8.0.240.0000.00816.96
8.0.230.0030.00316.89
8.0.220.0030.00316.80
8.0.210.0050.00216.88
8.0.200.0020.00516.90
8.0.190.0030.00316.90
8.0.180.0050.00216.77
8.0.170.0040.00416.77
8.0.160.0000.00716.88
8.0.150.0000.00716.78
8.0.140.0040.00416.84
8.0.130.0060.00013.26
8.0.120.0080.00016.73
8.0.110.0070.00016.82
8.0.100.0060.00316.63
8.0.90.0030.00516.84
8.0.80.0030.01716.82
8.0.70.0030.00716.91
8.0.60.0070.00016.88
8.0.50.0030.00516.84
8.0.30.0070.01116.97
8.0.20.0140.00517.40
8.0.10.0030.00316.80
8.0.00.0090.01316.86
7.4.330.0030.00315.05
7.4.320.0030.00316.44
7.4.300.0030.00316.45
7.4.290.0000.00716.53
7.4.280.0000.00816.53
7.4.270.0070.00016.45
7.4.260.0000.00716.49
7.4.250.0040.00416.50
7.4.240.0000.00716.47
7.4.230.0030.00316.35
7.4.220.0160.00316.47
7.4.210.0060.01016.48
7.4.200.0000.00716.53
7.4.190.0070.00016.51
7.4.160.0100.00616.25
7.4.150.0120.00617.40
7.4.140.0070.01117.86
7.4.130.0100.00816.54
7.4.120.0130.00616.44
7.4.110.0110.01116.49
7.4.100.0110.01116.49
7.4.90.0060.01216.29
7.4.80.0150.00619.39
7.4.70.0080.00816.60
7.4.60.0090.01216.41
7.4.50.0060.00316.34
7.4.40.0040.01216.34
7.4.30.0130.00316.56
7.4.00.0090.00614.59
7.3.330.0000.00813.05
7.3.320.0000.00613.13
7.3.310.0000.00916.15
7.3.300.0070.00016.09
7.3.290.0060.01216.18
7.3.280.0040.01516.21
7.3.270.0100.00717.40
7.3.260.0070.01316.33
7.3.250.0120.01116.38
7.3.240.0090.01316.36
7.3.230.0220.00016.39
7.3.210.0070.01016.25
7.3.200.0110.01119.39
7.3.190.0100.00716.50
7.3.180.0060.01016.45
7.3.170.0110.00416.27
7.3.160.0100.00516.17
7.3.120.0120.00614.88
7.2.330.0130.00716.37
7.2.320.0190.00616.23
7.2.310.0120.00816.69
7.2.300.0100.00716.54
7.2.290.0100.00716.66
7.2.00.0000.01219.26
7.1.100.0080.00318.35
7.1.70.0000.00817.13
7.1.60.0070.01319.46
7.1.50.0100.01016.88
7.1.00.0070.07322.40
7.0.200.0230.00316.73
7.0.140.0030.07322.07
7.0.60.0070.08719.94
7.0.50.0070.04717.88
7.0.40.0070.08720.24
7.0.30.0330.07720.34
7.0.20.0270.05020.23
7.0.10.0000.09719.99
7.0.00.0100.05720.12
5.6.280.0000.07321.10
5.6.210.0170.03320.75
5.6.200.0070.08018.23
5.6.190.0000.08020.43
5.6.180.0330.07020.56
5.6.170.0300.08020.41
5.6.160.0130.07020.49
5.6.150.0030.07718.22
5.6.140.0070.05018.12
5.6.130.0130.07718.11
5.6.120.0270.03721.09
5.6.110.0070.06020.98
5.6.100.0070.08721.00
5.6.90.0130.06721.03
5.6.80.0130.05020.40
5.5.350.0230.07320.43
5.5.340.0030.07717.99
5.5.330.0030.09020.47
5.5.320.0200.06020.24
5.5.310.0430.07320.12
5.5.300.0100.04718.07
5.5.290.0030.04317.91
5.5.280.0070.06020.79
5.5.270.0030.04320.76
5.5.260.0170.07720.95
5.5.250.0100.08320.68
5.5.240.0070.07020.14
5.4.450.3230.04019.46
5.4.440.3570.03719.25
5.4.430.3430.04019.20
5.4.420.3500.04319.37
5.4.410.3570.03719.13
5.4.400.3270.03319.09
5.4.390.4000.04318.92
5.4.380.4030.04719.13
5.4.370.3670.04019.08
5.4.360.3530.04319.16
5.4.350.3430.03719.05
5.4.340.3930.05018.91
5.4.320.3970.05019.15
5.4.310.3630.03019.25
5.4.300.3600.03318.88
5.4.290.2930.04018.80
5.4.280.3670.03319.08
5.4.270.3400.03319.09
5.4.260.3370.03719.15
5.4.250.3430.03719.08
5.4.240.3670.03319.21
5.4.230.3270.04019.04
5.4.220.3570.03719.21
5.4.210.3470.04019.08
5.4.200.3800.03719.15
5.4.190.3470.04019.08
5.4.180.3700.04719.22
5.4.170.3530.04019.12
5.4.160.3200.04018.80
5.4.150.3500.04318.91
5.4.140.3500.04016.29
5.4.130.3570.03316.45
5.4.120.3370.03716.21
5.4.110.3200.04016.23
5.4.100.3600.03016.46
5.4.90.3300.03316.38
5.4.80.3470.04016.32
5.4.70.3630.04016.37
5.4.60.3530.03316.47
5.4.50.3800.04016.46
5.4.40.3770.04016.38
5.4.30.3500.03716.15
5.4.20.3470.04016.18
5.4.10.3400.03016.46
5.4.00.3370.03715.98
5.3.290.3500.04314.52
5.3.280.3630.04014.70
5.3.270.3470.05014.54
5.3.260.3670.03714.65
5.3.250.3370.03314.55
5.3.240.3970.04714.44
5.3.230.3270.04314.44
5.3.220.4100.02714.51
5.3.210.3370.03714.46
5.3.200.3930.04314.42
5.3.190.4600.04014.40
5.3.180.3370.04314.51
5.3.170.3170.03714.39
5.3.160.2600.03714.42
5.3.150.3700.03014.50
5.3.140.3330.03014.50
5.3.130.3300.03314.53
5.3.120.3030.03714.37
5.3.110.3400.03314.53
5.3.100.3500.03713.92
5.3.90.3070.03313.87
5.3.80.3030.04013.85
5.3.70.3330.03313.85
5.3.60.3300.04013.85
5.3.50.3430.03013.73
5.3.40.2800.03313.88
5.3.30.3170.03013.75
5.3.20.3300.03313.53
5.3.10.3230.03713.55
5.3.00.3230.03713.58
5.2.170.3170.03011.09
5.2.160.3070.03010.98
5.2.150.3000.02711.16
5.2.140.3000.03011.15
5.2.130.3000.02710.95
5.2.120.2930.03011.04
5.2.110.2970.02710.96
5.2.100.2870.02711.18
5.2.90.2700.03011.01
5.2.80.2730.02711.14
5.2.70.3030.02310.98
5.2.60.3030.02710.88
5.2.50.2800.03011.06
5.2.40.2430.03010.83
5.2.30.2470.03010.86
5.2.20.2600.02310.81
5.2.10.2600.02310.96
5.2.00.2570.02310.61
5.1.60.2270.02310.07
5.1.50.2270.02310.21
5.1.40.2370.01310.05
5.1.30.2470.02310.42
5.1.20.2230.02710.57
5.1.10.2200.0309.95
5.1.00.2300.02310.06
5.0.50.1130.0238.76
5.0.40.1130.0208.58
5.0.30.1130.0278.58
5.0.20.1170.0178.58
5.0.10.1100.0208.58
5.0.00.1070.0338.58
4.4.90.1170.0138.58
4.4.80.1130.0138.58
4.4.70.1100.0178.58
4.4.60.1100.0178.58
4.4.50.1170.0108.58
4.4.40.1170.0208.58
4.4.30.1170.0178.58
4.4.20.1300.0178.58
4.4.10.1270.0178.58
4.4.00.1170.0278.58
4.3.110.1100.0178.58
4.3.100.1200.0178.58
4.3.90.1100.0138.58
4.3.80.1270.0238.58
4.3.70.1100.0208.58
4.3.60.1330.0178.58
4.3.50.1230.0108.58
4.3.40.1730.0208.58
4.3.30.0700.0208.58
4.3.20.0770.0238.58
4.3.10.0700.0178.58
4.3.00.0670.0208.58

preferences:
45.87 ms | 401 KiB | 5 Q