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"; var_dump(chr(8)); //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)
8.3.60.0040.01116.63
8.3.50.0070.00821.99
8.3.40.0070.00718.66
8.3.30.0110.00419.07
8.3.20.0050.00320.30
8.3.10.0040.00423.71
8.3.00.0080.00020.89
8.2.180.0040.01218.41
8.2.170.0070.01122.96
8.2.160.0040.01120.37
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00820.84
8.2.110.0080.00022.08
8.2.100.0060.00617.91
8.2.90.0080.00319.09
8.2.80.0040.00417.97
8.2.70.0030.00517.48
8.2.60.0060.00617.80
8.2.50.0030.00518.07
8.2.40.0040.00420.97
8.2.30.0000.00718.32
8.2.20.0070.00017.59
8.2.10.0000.00717.96
8.2.00.0030.00617.79
8.1.280.0130.00325.92
8.1.270.0090.00023.88
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0060.00618.96
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0040.00817.36
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0000.00721.91
8.1.150.0000.00718.50
8.1.140.0000.00817.46
8.1.130.0000.00717.84
8.1.120.0050.00317.51
8.1.110.0050.00317.33
8.1.100.0050.00317.30
8.1.90.0000.00817.38
8.1.80.0000.00817.40
8.1.70.0050.00317.27
8.1.60.0030.00617.52
8.1.50.0040.00417.50
8.1.40.0040.00417.49
8.1.30.0030.00517.54
8.1.20.0040.00417.59
8.1.10.0050.00217.59
8.1.00.0000.00817.32
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0040.00418.38
8.0.270.0030.00317.18
8.0.260.0030.00317.28
8.0.250.0030.00316.91
8.0.240.0030.00316.93
8.0.230.0040.00416.80
8.0.220.0070.00016.87
8.0.210.0000.00816.85
8.0.200.0030.00316.93
8.0.190.0000.00716.86
8.0.180.0070.00016.87
8.0.170.0000.00716.87
8.0.160.0040.00416.89
8.0.150.0000.00716.67
8.0.140.0030.00516.84
8.0.130.0050.00013.29
8.0.120.0040.00416.82
8.0.110.0030.00516.78
8.0.100.0040.00416.88
8.0.90.0050.00216.73
8.0.80.0090.00616.79
8.0.70.0000.01016.67
8.0.60.0000.00716.83
8.0.50.0000.00716.89
8.0.30.0110.00816.98
8.0.20.0120.01117.40
8.0.10.0000.00716.96
8.0.00.0100.00716.66
7.4.330.0050.00015.00
7.4.320.0060.00016.55
7.4.300.0040.00416.50
7.4.290.0000.00716.38
7.4.280.0040.00416.56
7.4.270.0030.00316.39
7.4.260.0030.00316.34
7.4.250.0000.00716.49
7.4.240.0050.00216.42
7.4.230.0030.00316.58
7.4.220.0060.01216.35
7.4.210.0070.00716.43
7.4.200.0030.00316.53
7.4.190.0040.00416.59
7.4.160.0060.00916.29
7.4.150.0030.01617.40
7.4.140.0110.00817.86
7.4.130.0070.01016.38
7.4.120.0100.00616.60
7.4.110.0090.00916.44
7.4.100.0090.00916.29
7.4.90.0120.00616.41
7.4.80.0150.00619.39
7.4.70.0050.01116.55
7.4.60.0030.01416.36
7.4.50.0000.00416.40
7.4.40.0070.01016.24
7.4.30.0030.01316.41
7.4.00.0080.00814.87
7.3.330.0050.00313.20
7.3.320.0050.00013.07
7.3.310.0000.00916.27
7.3.300.0040.00416.08
7.3.290.0100.00716.21
7.3.280.0120.00616.27
7.3.270.0100.00717.40
7.3.260.0130.00716.62
7.3.250.0100.00816.27
7.3.240.0130.00316.25
7.3.230.0130.00316.54
7.3.210.0150.00616.46
7.3.200.0100.00719.39
7.3.190.0060.01216.40
7.3.180.0080.00816.25
7.3.170.0090.00616.51
7.3.160.0080.00816.10
7.3.120.0070.00814.67
7.3.110.0130.00614.95
7.3.100.0040.01214.51
7.3.90.0070.01114.81
7.3.80.0030.01215.13
7.3.70.0030.00614.53
7.3.60.0090.00614.81
7.3.50.0060.00614.63
7.3.40.0040.00414.65
7.3.30.0040.00714.48
7.3.20.0120.00316.48
7.3.10.0080.00416.64
7.3.00.0030.01216.51
7.2.330.0060.01316.68
7.2.320.0080.01216.53
7.2.310.0100.00716.65
7.2.300.0080.00816.66
7.2.290.0090.00616.57
7.2.250.0070.01114.80
7.2.240.0070.01415.18
7.2.230.0130.00315.12
7.2.220.0060.01315.11
7.2.210.0090.00615.13
7.2.200.0060.00614.91
7.2.190.0060.01014.86
7.2.180.0030.00914.69
7.2.170.0100.00314.88
7.2.60.0130.00316.67
7.2.00.0080.00419.14
7.1.330.0040.00915.74
7.1.320.0030.00715.90
7.1.310.0000.00915.86
7.1.300.0060.00915.53
7.1.290.0000.01215.78
7.1.280.0000.01215.63
7.1.270.0070.00715.53
7.1.260.0070.00715.74
7.1.200.0040.01115.41
7.1.100.0040.00818.27
7.1.70.0100.00317.16
7.1.60.0100.01319.46
7.1.50.0130.01016.93
7.1.00.0100.06722.57
7.0.200.0040.00816.83
7.0.140.0030.07322.18
7.0.60.0030.08319.94
7.0.50.0100.08017.85
7.0.40.0030.05020.06
7.0.30.0500.07320.28
7.0.20.0270.06020.11
7.0.10.0070.05320.33
7.0.00.0100.07320.10
5.6.280.0030.07020.90
5.6.210.0070.08320.53
5.6.200.0130.06718.12
5.6.190.0070.07720.47
5.6.180.0230.08020.57
5.6.170.0230.08020.61
5.6.160.0030.09020.70
5.6.150.0070.08018.24
5.6.140.0070.07718.09
5.6.130.0170.05718.13
5.6.120.0130.08321.12
5.6.110.0230.07321.01
5.6.100.0170.06721.00
5.6.90.0070.05320.96
5.6.80.0030.04320.38
5.5.350.0230.07320.32
5.5.340.0130.04718.02
5.5.330.0100.05020.21
5.5.320.0330.03020.29
5.5.310.0370.07320.30
5.5.300.0070.07017.92
5.5.290.0070.05318.02
5.5.280.0070.05720.88
5.5.270.0000.04720.64
5.5.260.0070.07720.86
5.5.250.0070.08320.59
5.5.240.0030.07320.06
5.4.450.0600.06319.53
5.4.440.0700.06719.40
5.4.430.1030.05719.54
5.4.420.0870.05019.35
5.4.410.0570.07719.49
5.4.400.1370.06319.18
5.4.390.1100.06319.18
5.4.380.0170.05018.58
5.4.370.0130.05718.47
5.4.360.0170.05318.44
5.4.350.0130.05718.59
5.4.340.1030.05018.57
5.4.320.0060.03712.46
5.4.310.0090.04712.45
5.4.300.0060.03712.46
5.4.290.0060.03712.45
5.4.280.0060.03712.35
5.4.270.0070.03612.35
5.4.260.0070.03812.35
5.4.250.0080.03612.35
5.4.240.0090.03612.35
5.4.230.0080.03912.34
5.4.220.0070.03612.34
5.4.210.0070.03512.34
5.4.200.0080.03912.34
5.4.190.0080.03712.34
5.4.180.0040.04712.34
5.4.170.0070.03912.35
5.4.160.0110.04312.35
5.4.150.0060.04112.34
5.4.140.0100.03612.03
5.4.130.0030.04212.01
5.4.120.0130.05611.98
5.4.110.0090.04611.97
5.4.100.0090.04511.97
5.4.90.0040.04911.96
5.4.80.0070.04011.96
5.4.70.0060.04011.97
5.4.60.0070.03611.96
5.4.50.0030.04111.96
5.4.40.0040.03711.95
5.4.30.0060.04011.95
5.4.20.0060.04011.95
5.4.10.0060.03511.95
5.4.00.0060.03911.44
5.3.290.0050.04012.80
5.3.280.0060.06212.71
5.3.270.0100.05412.72
5.3.260.0060.05812.72
5.3.250.0080.05712.72
5.3.240.0060.03812.72
5.3.230.0070.03712.71
5.3.220.0050.03912.68
5.3.210.0060.04012.68
5.3.200.0060.04112.68
5.3.190.0060.04012.68
5.3.180.0070.04012.67
5.3.170.0100.04012.67
5.3.160.0050.03912.67
5.3.150.0080.03712.68
5.3.140.0080.03912.66
5.3.130.0020.04512.66
5.3.120.0090.03712.66
5.3.110.0070.03812.66
5.3.100.0050.04212.12
5.3.90.0070.03812.09
5.3.80.0080.03612.07
5.3.70.0070.03812.07
5.3.60.0090.03412.07
5.3.50.0060.04512.00
5.3.40.0060.03912.00
5.3.30.0070.03911.94
5.3.20.0130.03211.72
5.3.10.0170.02711.69
5.3.00.0130.03311.68
5.2.170.0040.0359.18
5.2.160.0060.0289.18
5.2.150.0060.0319.18
5.2.140.0120.0259.18
5.2.130.0080.0269.13
5.2.120.0070.0299.14
5.2.110.0140.0229.14
5.2.100.0100.0259.14
5.2.90.0090.0269.14
5.2.80.0060.0319.13
5.2.70.0080.0309.14
5.2.60.0040.0329.09
5.2.50.0040.0329.05
5.2.40.0060.0329.04
5.2.30.0020.0369.01
5.2.20.0060.0319.00
5.2.10.0070.0298.94
5.2.00.0090.0258.79
5.1.60.0020.0288.08
5.1.50.0050.0258.08
5.1.40.0050.0258.06
5.1.30.0030.0308.41
5.1.20.0060.0288.43
5.1.10.0080.0268.15
5.1.00.0050.0348.16
5.0.50.0040.0226.63
5.0.40.0030.0236.49
5.0.30.0050.0346.30
5.0.20.0050.0206.27
5.0.10.0030.0236.25
5.0.00.0040.0336.24
4.4.90.0020.0194.78
4.4.80.0060.0304.76
4.4.70.0030.0234.75
4.4.60.0030.0224.76
4.4.50.0040.0224.77
4.4.40.0040.0324.71
4.4.30.0050.0204.76
4.4.20.0020.0244.85
4.4.10.0040.0224.85
4.4.00.0050.0324.75
4.3.110.0050.0224.67
4.3.100.0030.0234.67
4.3.90.0050.0204.63
4.3.80.0030.0324.59
4.3.70.0050.0254.63
4.3.60.0050.0194.63
4.3.50.0060.0194.63
4.3.40.0050.0314.54
4.3.30.0030.0243.29
4.3.20.0050.0203.27
4.3.10.0020.0223.23
4.3.00.0000.0237.09

preferences:
38.38 ms | 401 KiB | 5 Q