3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'zz'; echo ++$heading . "\n"; echo ++$heading;

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)
8.3.40.0140.00018.85
8.3.30.0070.00718.95
8.3.20.0060.00320.17
8.3.10.0080.00021.69
8.3.00.0040.00419.79
8.2.170.0060.00922.96
8.2.160.0130.00020.41
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00320.91
8.2.110.0050.00522.11
8.2.100.0040.00818.22
8.2.90.0070.00019.00
8.2.80.0050.00317.97
8.2.70.0030.00617.48
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00718.22
8.2.30.0040.00417.99
8.2.20.0000.00817.71
8.2.10.0000.00817.87
8.2.00.0040.00417.66
8.1.270.0050.00323.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.91
8.1.230.0030.00719.07
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0040.00417.11
8.1.180.0090.00018.10
8.1.170.0080.00018.64
8.1.160.0000.00721.96
8.1.150.0000.00718.84
8.1.140.0030.00617.35
8.1.130.0030.00317.76
8.1.120.0030.00317.50
8.1.110.0050.00317.49
8.1.100.0070.00017.33
8.1.90.0030.00617.48
8.1.80.0080.00017.36
8.1.70.0030.00317.33
8.1.60.0000.01217.53
8.1.50.0050.00317.48
8.1.40.0040.00417.39
8.1.30.0000.00817.65
8.1.20.0080.00017.61
8.1.10.0000.00717.38
8.1.00.0080.00017.42
8.0.300.0000.00718.77
8.0.290.0070.00016.58
8.0.280.0030.00318.54
8.0.270.0030.00317.23
8.0.260.0030.00317.16
8.0.250.0030.00316.93
8.0.240.0020.00516.95
8.0.230.0070.00016.86
8.0.220.0030.00316.86
8.0.210.0000.00716.91
8.0.200.0060.00016.94
8.0.190.0040.00416.85
8.0.180.0000.00716.81
8.0.170.0000.00816.87
8.0.160.0030.00316.88
8.0.150.0040.00416.79
8.0.140.0000.00716.75
8.0.130.0000.00613.37
8.0.120.0080.00016.88
8.0.110.0050.00316.79
8.0.100.0000.00716.70
8.0.90.0030.00316.75
8.0.80.0140.00716.88
8.0.70.0000.00716.74
8.0.60.0000.00716.88
8.0.50.0040.00416.94
8.0.30.0080.01017.03
8.0.20.0110.00717.40
8.0.10.0000.00816.88
8.0.00.0100.01016.74
7.4.330.0050.00015.04
7.4.320.0060.00016.52
7.4.300.0040.00416.41
7.4.290.0030.00316.55
7.4.280.0080.00016.49
7.4.270.0050.00316.45
7.4.260.0000.01016.37
7.4.250.0080.00016.47
7.4.240.0040.00316.47
7.4.230.0000.00616.27
7.4.220.0070.01016.49
7.4.210.0060.01216.41
7.4.200.0040.00416.50
7.4.160.0110.00516.34
7.4.150.0070.01617.40
7.4.140.0100.00717.86
7.4.130.0060.01116.31
7.4.120.0110.00716.48
7.4.110.0060.01216.46
7.4.100.0100.01316.54
7.4.90.0070.01016.45
7.4.80.0150.00619.39
7.4.70.0070.01216.34
7.4.60.0110.00716.40
7.4.50.0000.00416.21
7.4.40.0090.01216.60
7.4.30.0170.00016.57
7.4.00.0070.00914.92
7.3.330.0020.00212.98
7.3.320.0000.00512.99
7.3.310.0000.00716.12
7.3.300.0070.00016.17
7.3.290.0090.00916.15
7.3.280.0090.00916.23
7.3.270.0070.01017.40
7.3.260.0160.01916.14
7.3.250.0130.00616.20
7.3.240.0030.01316.18
7.3.230.0070.01016.39
7.3.210.0070.01016.55
7.3.200.0170.00719.39
7.3.190.0070.01016.23
7.3.180.0060.00916.43
7.3.170.0090.00616.45
7.3.160.0030.01316.30
7.3.120.0050.01114.80
7.3.110.0070.01114.85
7.3.100.0100.00614.74
7.3.90.0040.00914.87
7.3.80.0060.01015.01
7.3.70.0070.00514.59
7.3.60.0040.00614.73
7.3.50.0050.00714.89
7.3.40.0070.00814.61
7.3.30.0070.00614.69
7.3.20.0070.00916.69
7.3.10.0040.00916.44
7.3.00.0050.00816.64
7.2.330.0140.00316.48
7.2.320.0140.01116.61
7.2.310.0070.01016.61
7.2.300.0030.01316.34
7.2.290.0030.01416.53
7.2.250.0050.01315.08
7.2.240.0110.00514.70
7.2.230.0080.00714.87
7.2.220.0040.01114.95
7.2.210.0070.00514.88
7.2.200.0070.00814.97
7.2.190.0050.00714.93
7.2.180.0030.01014.94
7.2.170.0060.00714.93
7.2.60.0060.00616.84
7.2.00.0030.01019.21
7.1.330.0060.00615.72
7.1.320.0060.00515.75
7.1.310.0090.00415.71
7.1.300.0020.01215.72
7.1.290.0050.00615.64
7.1.280.0070.00415.65
7.1.270.0040.01115.62
7.1.260.0070.00715.75
7.1.200.0060.00315.93
7.1.100.0080.00818.00
7.1.70.0060.00617.13
7.1.60.0130.00719.11
7.1.50.0100.01016.96
7.1.00.0030.07322.46
7.0.200.0050.00216.80
7.0.140.0100.06722.09
7.0.60.0070.08719.84
7.0.50.0030.07717.80
7.0.40.0130.07020.07
7.0.30.0200.04320.12
7.0.20.0200.08020.20
7.0.10.0170.07720.16
7.0.00.0030.04720.17
5.6.280.0000.07720.98
5.6.210.0070.04320.76
5.6.200.0100.06318.16
5.6.190.0030.04720.39
5.6.180.0370.05720.42
5.6.170.0100.05720.71
5.6.160.0130.07320.32
5.6.150.0070.08018.07
5.6.140.0030.08018.21
5.6.130.0030.04018.18
5.6.120.0170.07720.89
5.6.110.0100.06320.96
5.6.100.0100.08020.96
5.6.90.0070.07720.96
5.6.80.0070.05020.40
5.5.350.0000.08020.29
5.5.340.0230.04317.89
5.5.330.0100.08020.20
5.5.320.0370.04720.17
5.5.310.0300.07320.30
5.5.300.0070.05017.98
5.5.290.0030.08317.89
5.5.280.0100.06720.86
5.5.270.0030.06320.86
5.5.260.0070.06020.83
5.5.250.0170.06720.69
5.5.240.0130.03720.06
5.4.450.0170.04019.26
5.4.440.0270.04019.38
5.4.430.0270.05319.12
5.4.420.0670.03719.54
5.4.410.0370.03719.44
5.4.400.0300.04319.14
5.4.390.0600.04719.13
5.4.380.0400.06318.68
5.4.370.0430.05018.60
5.4.360.0270.05318.57
5.4.350.0400.04318.50
5.4.340.0270.05018.50
5.4.320.0080.04012.45
5.4.310.0060.03812.45
5.4.300.0070.04612.45
5.4.290.0080.04412.45
5.4.280.0060.03712.34
5.4.270.0070.03912.34
5.4.260.0080.03912.35
5.4.250.0030.04212.35
5.4.240.0080.03612.35
5.4.230.0070.03712.34
5.4.220.0060.03612.34
5.4.210.0030.03812.34
5.4.200.0050.03812.34
5.4.190.0040.03812.33
5.4.180.0060.03612.33
5.4.170.0030.03812.35
5.4.160.0060.03512.34
5.4.150.0050.04112.34
5.4.140.0070.03512.02
5.4.130.0030.03712.01
5.4.120.0050.03611.97
5.4.110.0030.03811.96
5.4.100.0050.03511.96
5.4.90.0050.03811.96
5.4.80.0060.03811.96
5.4.70.0050.03611.96
5.4.60.0060.03411.96
5.4.50.0090.03211.96
5.4.40.0070.03311.95
5.4.30.0050.03611.95
5.4.20.0040.03711.95
5.4.10.0050.03511.95
5.4.00.0040.03811.43
5.3.290.0090.04112.80
5.3.280.0070.05012.71
5.3.270.0080.03912.73
5.3.260.0070.03812.72
5.3.250.0080.03512.71
5.3.240.0060.03712.72
5.3.230.0060.04612.71
5.3.220.0070.04012.68
5.3.210.0080.03712.68
5.3.200.0080.03612.68
5.3.190.0050.03912.67
5.3.180.0080.03512.68
5.3.170.0070.04112.67
5.3.160.0080.03412.67
5.3.150.0060.04012.67
5.3.140.0080.03512.66
5.3.130.0050.03912.66
5.3.120.0060.03812.66
5.3.110.0070.03812.66
5.3.100.0080.03512.12
5.3.90.0030.04012.08
5.3.80.0070.03512.08
5.3.70.0070.03512.08
5.3.60.0060.03612.06
5.3.50.0060.03612.00
5.3.40.0070.04612.00
5.3.30.0080.03211.94
5.3.20.0050.04411.71
5.3.10.0080.03211.69
5.3.00.0050.03711.68
5.2.170.0020.0339.18
5.2.160.0040.0309.18
5.2.150.0050.0379.18
5.2.140.0050.0309.18
5.2.130.0070.0269.13
5.2.120.0050.0309.13
5.2.110.0070.0289.14
5.2.100.0040.0309.14
5.2.90.0030.0309.13
5.2.80.0030.0329.13
5.2.70.0040.0319.13
5.2.60.0030.0319.09
5.2.50.0080.0279.05
5.2.40.0070.0319.03
5.2.30.0050.0369.01
5.2.20.0040.0308.99
5.2.10.0050.0288.91
5.2.00.0020.0328.77
5.1.60.0060.0228.06
5.1.50.0030.0268.05
5.1.40.0070.0318.04
5.1.30.0050.0308.39
5.1.20.0060.0258.41
5.1.10.0050.0258.13
5.1.00.0060.0268.13
5.0.50.0020.0216.61
5.0.40.0030.0216.47
5.0.30.0020.0366.28
5.0.20.0020.0236.25
5.0.10.0060.0176.23
5.0.00.0030.0316.23
4.4.90.0010.0174.78
4.4.80.0040.0154.75
4.4.70.0030.0214.76
4.4.60.0050.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0040.0174.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0010.0164.63
4.3.80.0020.0254.58
4.3.70.0000.0174.63
4.3.60.0010.0164.63
4.3.50.0070.0174.63
4.3.40.0030.0244.54
4.3.30.0030.0153.29
4.3.20.0020.0163.26
4.3.10.0010.0163.22
4.3.00.0000.01315.29

preferences:
51.66 ms | 400 KiB | 5 Q