3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array(1, 2, 3, 4,20); echo " <h2>question</h2> <p>".chr(64 + $row[0])."</p> <h2>answer</h2> <p>".chr(64 + $row[4])."</p>";

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)
8.3.60.0070.00718.27
8.3.50.0130.00821.94
8.3.40.0040.01218.80
8.3.30.0100.01019.23
8.3.20.0040.00420.38
8.3.10.0040.00423.48
8.3.00.0080.00019.03
8.2.180.0110.01118.08
8.2.170.0070.00722.96
8.2.160.0070.00722.16
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.95
8.2.110.0050.00520.25
8.2.100.0030.00817.84
8.2.90.0050.00517.63
8.2.80.0080.00017.97
8.2.70.0040.00418.05
8.2.60.0080.00018.16
8.2.50.0000.00818.10
8.2.40.0050.00319.47
8.2.30.0000.00819.19
8.2.20.0040.00417.79
8.2.10.0000.00718.09
8.2.00.0050.00217.73
8.1.280.0070.01025.92
8.1.270.0030.00619.00
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00522.00
8.1.230.0030.00920.84
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.36
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00318.78
8.1.160.0000.00718.89
8.1.150.0040.00418.85
8.1.140.0000.00717.39
8.1.130.0000.00717.78
8.1.120.0000.00717.39
8.1.110.0000.00717.49
8.1.100.0040.00417.27
8.1.90.0040.00417.43
8.1.80.0040.00417.49
8.1.70.0030.00317.45
8.1.60.0040.00417.54
8.1.50.0060.00317.53
8.1.40.0000.00817.43
8.1.30.0000.00817.67
8.1.20.0000.00717.58
8.1.10.0050.00217.57
8.1.00.0050.00317.39
8.0.300.0000.00719.62
8.0.290.0000.00716.75
8.0.280.0070.00018.48
8.0.270.0000.00717.26
8.0.260.0030.00317.17
8.0.250.0000.00716.96
8.0.240.0040.00416.97
8.0.230.0000.00716.95
8.0.220.0070.00016.85
8.0.210.0030.00316.86
8.0.200.0050.00516.91
8.0.190.0050.00316.95
8.0.180.0080.00016.89
8.0.170.0040.00416.79
8.0.160.0030.00316.87
8.0.150.0000.00716.84
8.0.140.0020.00516.75
8.0.130.0000.00713.32
8.0.120.0040.00416.74
8.0.110.0040.00416.86
8.0.100.0040.00416.82
8.0.90.0040.00416.96
8.0.80.0060.00916.89
8.0.70.0070.00016.95
8.0.60.0070.00016.95
8.0.50.0050.00216.84
8.0.30.0120.00817.07
8.0.20.0080.01117.40
8.0.10.0040.00416.82
8.0.00.0120.00616.85
7.4.330.0030.00315.03
7.4.320.0000.00716.55
7.4.300.0000.00616.49
7.4.290.0040.00416.39
7.4.280.0030.00616.61
7.4.270.0070.00016.55
7.4.260.0030.00316.38
7.4.250.0070.00016.52
7.4.240.0050.00216.47
7.4.230.0070.00016.63
7.4.220.0060.01216.50
7.4.210.0060.00916.50
7.4.200.0000.00716.56
7.4.160.0030.01316.45
7.4.150.0060.01217.40
7.4.140.0080.00817.86
7.4.130.0070.01316.38
7.4.120.0050.01316.50
7.4.110.0090.01416.36
7.4.100.0160.00716.44
7.4.90.0130.00316.39
7.4.80.0130.00319.39
7.4.70.0100.01016.45
7.4.60.0070.01116.27
7.4.50.0040.00416.22
7.4.40.0120.00416.69
7.4.30.0100.01216.36
7.4.00.0060.01014.79
7.3.330.0000.00613.11
7.3.320.0020.00313.21
7.3.310.0030.00316.42
7.3.300.0070.00016.21
7.3.290.0040.00916.25
7.3.280.0100.00716.26
7.3.270.0000.01817.40
7.3.260.0170.00716.64
7.3.250.0120.00916.33
7.3.240.0030.01616.49
7.3.230.0100.00716.39
7.3.210.0090.00616.59
7.3.200.0060.01319.39
7.3.190.0060.01016.34
7.3.180.0160.00016.37
7.3.170.0100.01016.27
7.3.160.0080.00816.37
7.2.330.0190.00216.80
7.2.320.0100.01016.63
7.2.310.0130.01016.43
7.2.300.0100.01016.72
7.2.290.0100.01316.55
7.2.60.0120.00016.66
7.2.00.0070.00619.46
7.1.200.0060.00915.70
7.1.120.0070.00818.57
7.1.110.0030.01018.01
7.1.100.0030.01017.97
7.1.90.0040.00917.93
7.1.80.0040.01418.03
7.1.70.0070.00517.13
7.1.60.0140.01227.08
7.1.50.0100.01325.65
7.1.40.0170.01034.23
7.1.30.0190.01034.61
7.1.20.0180.01134.23
7.1.10.0070.01116.43
7.1.00.0050.04019.63
7.0.260.0080.00518.31
7.0.250.0080.00617.67
7.0.240.0040.00817.71
7.0.230.0070.00717.90
7.0.220.0000.01517.42
7.0.210.0060.00616.50
7.0.200.0090.00316.88
7.0.190.0100.00616.60
7.0.180.0050.00816.03
7.0.170.0070.01016.08
7.0.160.0030.01016.16
7.0.150.0090.00316.03
7.0.140.0000.04219.07
7.0.130.0030.00916.52
7.0.120.0060.00616.38
7.0.110.0060.00816.18
7.0.100.0040.00816.03
7.0.90.0040.00816.36
7.0.80.0000.01316.16
7.0.70.0070.00716.27
7.0.60.0110.03617.98
7.0.50.0050.03817.15
7.0.40.0050.04518.18
7.0.30.0080.02818.23
7.0.20.0200.02818.20
7.0.10.0100.04018.36
7.0.00.0080.04018.25
5.6.300.0100.05520.94
5.6.290.0100.05320.70
5.6.280.0080.06221.00
5.6.270.0070.05620.98
5.6.260.0100.05920.79
5.6.250.0110.05320.75
5.6.240.0070.05920.72
5.6.230.0070.06220.76
5.6.220.0160.05220.82
5.6.210.0050.07120.76
5.6.200.0120.06719.42
5.6.190.0100.05220.64
5.6.180.0220.06220.55
5.6.170.0180.05820.61
5.6.160.0150.07020.57
5.6.150.0180.07419.49
5.6.140.0070.06219.53
5.6.130.0100.05519.45
5.6.120.0100.07720.91
5.6.110.0100.06120.86
5.6.100.0130.06720.84
5.6.90.0080.07020.83
5.6.80.0120.06320.23
5.6.70.0130.05020.31
5.6.60.0070.05820.31
5.6.50.0100.06620.09
5.6.40.0070.05320.04
5.6.30.0030.05820.03
5.6.20.0130.04920.17
5.6.10.0130.04720.08
5.6.00.0130.05320.05
5.5.380.0100.05417.55
5.5.370.0040.07117.39
5.5.360.0030.06217.37
5.5.350.0070.05318.91
5.5.340.0110.06618.02
5.5.330.0070.06319.11
5.5.320.0170.06419.29
5.5.310.0280.06219.05
5.5.300.0080.06017.91
5.5.290.0130.06217.86
5.5.280.0120.08219.47
5.5.270.0150.06119.30
5.5.260.0120.06319.46
5.5.250.0120.06619.23
5.5.240.0110.05718.79
5.5.230.0140.04917.34
5.5.220.0070.05717.43
5.5.210.0030.05717.14
5.5.200.0100.05217.32
5.5.190.0100.05217.23
5.5.180.0140.04817.41
5.5.160.0100.04917.32
5.5.150.0100.04817.31
5.5.140.0100.04817.32
5.5.130.0130.04617.05
5.5.120.0100.04917.31
5.5.110.0070.05317.31
5.5.100.0000.06717.21
5.5.90.0090.04917.19
5.5.80.0070.05117.24
5.5.70.0030.05717.02
5.5.60.0100.04817.04
5.5.50.0140.04517.20
5.5.40.0100.04817.22
5.5.30.0070.05317.20
5.5.20.0060.05417.32
5.5.10.0150.04517.22
5.5.00.0180.04317.16
5.4.450.0250.07119.48
5.4.440.0200.05019.31
5.4.430.0100.05719.46
5.4.420.0380.05019.42
5.4.410.0450.05819.28
5.4.400.0350.05018.94
5.4.390.0440.05119.14
5.4.380.0120.05318.76
5.4.370.0120.05318.80
5.4.360.0150.05718.85
5.4.350.0130.05318.81
5.4.340.0190.04718.73
5.4.320.0170.06118.74
5.4.310.0220.05618.79
5.4.300.0180.05118.70
5.4.290.0120.05318.86
5.4.280.0120.05418.68
5.4.270.0150.05118.79
5.4.260.0190.04818.78
5.4.250.0190.05418.82
5.4.240.0120.05518.82
5.4.230.0170.05018.79
5.4.220.0170.05118.72
5.4.210.0180.05318.74
5.4.200.0200.05117.67
5.4.190.0130.05918.86
5.4.180.0150.04918.72
5.4.170.0150.05118.81
5.4.160.0150.05718.78
5.4.150.0180.06018.74
5.4.140.0190.05616.34
5.4.130.0130.04916.33
5.4.120.0160.05316.36
5.4.110.0150.05716.28
5.4.100.0160.05216.30
5.4.90.0070.05816.47
5.4.80.0120.05016.20
5.4.70.0200.04916.41
5.4.60.0170.05716.33
5.4.50.0150.05116.38
5.4.40.0070.05616.35
5.4.30.0150.04616.31
5.4.20.0080.05516.28
5.4.10.0190.05916.26
5.4.00.0200.04315.81
5.3.290.0170.05114.73
5.3.280.0100.05314.53
5.3.270.0180.05214.64
5.3.260.0070.05814.71
5.3.250.0080.05514.65
5.3.240.0170.04914.74
5.3.230.0180.04714.58
5.3.220.0080.06514.52
5.3.210.0170.04814.60
5.3.200.0220.04514.63
5.3.190.0210.04914.56
5.3.180.0080.05514.61
5.3.170.0180.05014.69
5.3.160.0130.06114.48
5.3.150.0130.06114.61
5.3.140.0160.04914.59
5.3.130.0190.04814.60
5.3.120.0120.05714.59
5.3.110.0160.05014.57
5.3.100.0150.04614.07
5.3.90.0160.05614.15
5.3.80.0110.05214.07
5.3.70.0130.05113.94
5.3.60.0200.04313.95
5.3.50.0120.05213.98
5.3.40.0130.05814.04
5.3.30.0120.04913.90
5.3.20.0120.05913.74
5.3.10.0180.05313.62
5.3.00.0140.05413.66
5.2.170.0180.03211.28
5.2.160.0150.04611.27
5.2.150.0080.05211.11
5.2.140.0170.04311.32
5.2.130.0110.04811.15
5.2.120.0130.04811.19
5.2.110.0080.04711.13
5.2.100.0150.03411.16
5.2.90.0140.04111.16
5.2.80.0050.04611.12
5.2.70.0070.04711.16
5.2.60.0070.04811.06
5.2.50.0140.04610.91
5.2.40.0100.04211.12
5.2.30.0050.04611.01
5.2.20.0100.03810.97
5.2.10.0130.03710.96
5.2.00.0120.03810.80
5.1.60.0080.03710.11
5.1.50.0100.03510.08
5.1.40.0050.03910.13
5.1.30.0100.03410.36
5.1.20.0120.03610.49
5.1.10.0100.03410.11
5.1.00.0080.03910.26
5.0.50.0100.0258.71
5.0.40.0050.0278.56
5.0.30.0070.0478.28
5.0.20.0060.0268.33
5.0.10.0080.0288.36
5.0.00.0020.0468.34
4.4.90.0090.0237.12
4.4.80.0110.0217.09
4.4.70.0070.0247.11
4.4.60.0070.0247.13
4.4.50.0070.0247.14
4.4.40.0050.0347.09
4.4.30.0030.0247.13
4.4.20.0120.0197.14
4.4.10.0070.0217.16
4.4.00.0070.0337.15
4.3.110.0030.0227.09
4.3.100.0030.0247.05
4.3.90.0030.0257.07
4.3.80.0060.0337.09
4.3.70.0050.0207.12
4.3.60.0100.0167.09
4.3.50.0050.0217.12
4.3.40.0070.0317.07
4.3.30.0060.0206.46
4.3.20.0050.0206.45
4.3.10.0080.0186.43
4.3.00.0030.0227.86

preferences:
46.11 ms | 401 KiB | 5 Q