3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t1 = decbin(8); echo $t1; echo "\n"; $t2 = substr($t1, 0, 6); echo $t2; echo "\n"; $t3 = bindec('100000'); echo $t3; echo "\n"; echo chr((int) $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)
8.3.60.0060.01316.50
8.3.50.0130.00622.03
8.3.40.0110.00718.67
8.3.30.0040.01119.27
8.3.20.0000.00720.33
8.3.10.0080.00023.52
8.3.00.0000.00820.75
8.2.180.0060.00916.88
8.2.170.0110.00722.96
8.2.160.0130.00320.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.85
8.2.110.0000.01022.25
8.2.100.0110.00017.84
8.2.90.0050.00619.05
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0080.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00421.07
8.2.30.0000.00818.25
8.2.20.0000.00817.57
8.2.10.0040.00417.95
8.2.00.0030.00517.70
8.1.280.0070.01025.92
8.1.270.0080.00023.80
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.84
8.1.230.0070.00419.12
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0110.00017.23
8.1.190.0080.00017.22
8.1.180.0080.00018.10
8.1.170.0040.00418.57
8.1.160.0040.00422.00
8.1.150.0000.00718.66
8.1.140.0000.00717.31
8.1.130.0070.00017.79
8.1.120.0000.00717.43
8.1.110.0050.00317.46
8.1.100.0060.00317.45
8.1.90.0040.00417.31
8.1.80.0040.00417.28
8.1.70.0030.00317.39
8.1.60.0000.00817.48
8.1.50.0060.00317.43
8.1.40.0070.00017.52
8.1.30.0030.00617.63
8.1.20.0060.00317.68
8.1.10.0030.00617.50
8.1.00.0040.00417.53
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.33
8.0.270.0030.00317.32
8.0.260.0030.00317.26
8.0.250.0070.00016.95
8.0.240.0000.00617.01
8.0.230.0040.00316.77
8.0.220.0050.00216.86
8.0.210.0050.00216.86
8.0.200.0030.00316.83
8.0.190.0070.00016.91
8.0.180.0040.00416.88
8.0.170.0000.00716.75
8.0.160.0040.00416.83
8.0.150.0030.00316.86
8.0.140.0070.00016.79
8.0.130.0030.00313.26
8.0.120.0000.00816.83
8.0.110.0000.00716.75
8.0.100.0070.00016.87
8.0.90.0000.00716.69
8.0.80.0060.00916.81
8.0.70.0060.00316.70
8.0.60.0000.00816.64
8.0.50.0040.00416.73
8.0.30.0140.00417.08
8.0.20.0120.00617.45
8.0.10.0000.00716.79
8.0.00.0150.00616.80
7.4.330.0030.00315.00
7.4.320.0000.00716.55
7.4.300.0040.00416.52
7.4.290.0030.00316.62
7.4.280.0040.00416.52
7.4.270.0040.00416.50
7.4.260.0000.00716.59
7.4.250.0030.00616.37
7.4.240.0010.00616.55
7.4.230.0030.00516.52
7.4.220.0100.01016.47
7.4.210.0090.00716.69
7.4.200.0070.00016.69
7.4.190.0000.00716.42
7.4.160.0100.00616.46
7.4.150.0140.00817.40
7.4.140.0100.00717.86
7.4.130.0070.01116.54
7.4.120.0140.00316.44
7.4.110.0100.01316.39
7.4.100.0150.00316.42
7.4.90.0090.00916.40
7.4.80.0100.01419.39
7.4.70.0060.00916.51
7.4.60.0070.01016.59
7.4.50.0030.00316.63
7.4.40.0140.00316.48
7.4.30.0060.01116.50
7.4.00.0110.00414.91
7.3.330.0030.00513.15
7.3.320.0000.00512.96
7.3.310.0050.00316.36
7.3.300.0030.00316.21
7.3.290.0120.00316.25
7.3.280.0070.01016.21
7.3.270.0080.00917.40
7.3.260.0100.01016.46
7.3.250.0040.01416.57
7.3.240.0120.00416.14
7.3.230.0170.00016.39
7.3.210.0080.00916.32
7.3.200.0030.01319.39
7.3.190.0110.00616.63
7.3.180.0130.00316.38
7.3.170.0100.00716.47
7.3.160.0080.00816.62
7.3.120.0110.00415.04
7.3.10.0000.00916.67
7.3.00.0060.00616.30
7.2.330.0130.00316.37
7.2.320.0080.00816.38
7.2.310.0070.01116.68
7.2.300.0040.01316.54
7.2.290.0170.00316.60
7.2.130.0030.00716.85
7.2.120.0080.00817.11
7.2.110.0000.01216.72
7.2.100.0060.00316.83
7.2.90.0030.00616.96
7.2.80.0040.00816.96
7.2.70.0030.00616.66
7.2.60.0120.00316.96
7.2.50.0030.00916.84
7.2.40.0050.00516.58
7.2.30.0070.00416.79
7.2.20.0090.00616.79
7.2.10.0030.00816.75
7.2.00.0040.01118.09
7.1.250.0000.01115.87
7.1.200.0070.00415.87
7.1.100.0000.01218.06
7.1.70.0030.00616.93
7.1.60.0090.01519.46
7.1.50.0110.01417.00
7.1.00.0100.07022.54
7.0.200.0060.00616.82
7.0.140.0070.06721.97
7.0.60.0130.07319.83
7.0.50.0130.07317.80
7.0.40.0100.08720.09
7.0.30.0300.06320.16
7.0.20.0330.04720.20
7.0.10.0070.05020.09
7.0.00.0100.05320.13
5.6.280.0070.07020.90
5.6.210.0070.07720.62
5.6.200.0130.06318.15
5.6.190.0230.06320.41
5.6.180.0070.06320.66
5.6.170.0230.07320.46
5.6.160.0030.08020.33
5.6.150.0070.08018.14
5.6.140.0030.04018.11
5.6.130.0030.04018.14
5.6.120.0030.07721.08
5.6.110.0000.04321.00
5.6.100.0170.07321.08
5.6.90.0300.06320.95
5.6.80.0000.04020.48
5.5.350.0030.08020.43
5.5.340.0030.04317.88
5.5.330.0100.07320.47
5.5.320.0200.04020.32
5.5.310.0200.05720.29
5.5.300.0070.03718.05
5.5.290.0170.07017.97
5.5.280.0000.09320.96
5.5.270.0070.04720.66
5.5.260.0100.08020.75
5.5.250.0030.04720.65
5.5.240.0030.07720.18
5.4.450.0800.06719.13
5.4.440.0930.06719.40
5.4.430.0170.05719.48
5.4.420.0970.06319.31
5.4.410.1230.06319.41
5.4.400.0100.05019.20
5.4.390.1000.07319.08
5.4.380.0230.05018.69
5.4.370.0200.05018.68
5.4.360.0170.05018.53
5.4.350.0270.04018.70
5.4.340.0130.05318.50
5.4.320.0050.03712.45
5.4.310.0060.03812.45
5.4.300.0130.05112.45
5.4.290.0080.05212.45
5.4.280.0100.07412.35
5.4.270.0150.05412.35
5.4.260.0080.03612.35
5.4.250.0090.03712.35
5.4.240.0050.03912.35
5.4.230.0070.04112.34
5.4.220.0050.03912.34
5.4.210.0030.03912.34
5.4.200.0100.03412.34
5.4.190.0070.03512.34
5.4.180.0070.03612.34
5.4.170.0050.03812.35
5.4.160.0070.03412.34
5.4.150.0050.03812.34
5.4.140.0060.04812.02
5.4.130.0080.04712.01
5.4.120.0050.04211.97
5.4.110.0100.03611.96
5.4.100.0110.03511.96
5.4.90.0070.04311.97
5.4.80.0080.04211.97
5.4.70.0080.04011.96
5.4.60.0070.03811.96
5.4.50.0060.04211.96
5.4.40.0070.04111.95
5.4.30.0080.04311.95
5.4.20.0080.04011.95
5.4.10.0120.03611.95
5.4.00.0060.04211.44
5.3.290.0070.03912.80
5.3.280.0040.04512.71
5.3.270.0120.03712.72
5.3.260.0040.04512.72
5.3.250.0080.03712.72
5.3.240.0060.04012.72
5.3.230.0060.04412.71
5.3.220.0060.04312.68
5.3.210.0100.04212.68
5.3.200.0070.03912.68
5.3.190.0080.03712.68
5.3.180.0080.03612.67
5.3.170.0080.03712.67
5.3.160.0050.04012.67
5.3.150.0070.04412.67
5.3.140.0090.03812.66
5.3.130.0080.04012.66
5.3.120.0070.04212.66
5.3.110.0050.04312.66
5.3.100.0060.04012.12
5.3.90.0070.03512.09
5.3.80.0080.03512.07
5.3.70.0070.03712.07
5.3.60.0080.04012.07
5.3.50.0090.04012.00
5.3.40.0060.04312.00
5.3.30.0060.03811.95
5.3.20.0080.04011.72
5.3.10.0100.04711.69
5.3.00.0070.05211.68
5.2.170.0060.0439.18
5.2.160.0080.0389.18
5.2.150.0090.0339.18
5.2.140.0130.0539.17
5.2.130.0100.0469.14
5.2.120.0130.0449.13
5.2.110.0100.0359.14
5.2.100.0050.0419.14
5.2.90.0050.0339.14
5.2.80.0070.0429.13
5.2.70.0110.0389.13
5.2.60.0110.0339.09
5.2.50.0090.0379.05
5.2.40.0110.0349.03
5.2.30.0090.0399.00
5.2.20.0110.0469.00
5.2.10.0080.0348.93
5.2.00.0080.0378.79
5.1.60.0090.0308.08
5.1.50.0070.0318.08
5.1.40.0050.0348.05
5.1.30.0070.0348.41
5.1.20.0070.0358.43
5.1.10.0080.0328.16
5.1.00.0070.0358.15
5.0.50.0050.0286.63
5.0.40.0100.0236.49
5.0.30.0050.0426.30
5.0.20.0060.0266.27
5.0.10.0050.0286.25
5.0.00.0030.0436.24
4.4.90.0020.0244.78
4.4.80.0050.0204.75
4.4.70.0040.0204.76
4.4.60.0030.0204.75
4.4.50.0020.0224.77
4.4.40.0080.0294.71
4.4.30.0040.0204.76
4.4.20.0070.0154.84
4.4.10.0060.0144.85
4.4.00.0020.0274.76
4.3.110.0020.0174.67
4.3.100.0050.0154.67
4.3.90.0020.0184.64
4.3.80.0030.0274.58
4.3.70.0030.0164.63
4.3.60.0030.0164.63
4.3.50.0030.0184.63
4.3.40.0030.0254.54
4.3.30.0040.0163.30
4.3.20.0030.0163.27
4.3.10.0040.0153.23
4.3.00.0170.0237.09

preferences:
29.67 ms | 401 KiB | 5 Q