3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h10'; echo ++$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)
8.3.40.0120.00318.77
8.3.30.0110.00418.92
8.3.20.0040.00420.21
8.3.10.0040.00421.82
8.3.00.0040.00419.26
8.2.170.0090.00622.96
8.2.160.0110.00320.39
8.2.150.0050.00224.18
8.2.140.0150.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00321.09
8.2.110.0060.00321.12
8.2.100.0040.00817.78
8.2.90.0050.00317.81
8.2.80.0060.00317.97
8.2.70.0050.00317.36
8.2.60.0000.00817.80
8.2.50.0080.00318.07
8.2.40.0000.00818.28
8.2.30.0040.00418.10
8.2.20.0020.00517.64
8.2.10.0000.00817.99
8.2.00.0030.00617.56
8.1.270.0030.00523.91
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.52
8.1.230.0110.00020.77
8.1.220.0000.00817.76
8.1.210.0040.00418.91
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0080.00021.82
8.1.150.0070.00018.86
8.1.140.0080.00017.38
8.1.130.0070.00017.73
8.1.120.0040.00417.39
8.1.110.0040.00417.42
8.1.100.0020.00517.28
8.1.90.0030.00317.37
8.1.80.0000.00717.41
8.1.70.0030.00317.29
8.1.60.0080.00017.44
8.1.50.0040.00417.45
8.1.40.0070.00017.51
8.1.30.0030.00517.45
8.1.20.0000.00817.48
8.1.10.0000.00717.43
8.1.00.0040.00417.45
8.0.300.0080.00020.08
8.0.290.0000.00716.75
8.0.280.0000.00818.30
8.0.270.0030.00317.13
8.0.260.0030.00317.31
8.0.250.0030.00316.96
8.0.240.0000.00716.99
8.0.230.0030.00516.90
8.0.220.0000.00716.73
8.0.210.0040.00416.68
8.0.200.0030.00316.90
8.0.190.0080.00016.86
8.0.180.0000.00816.73
8.0.170.0070.00016.87
8.0.160.0040.00416.69
8.0.150.0000.00716.80
8.0.140.0000.00816.76
8.0.130.0030.00613.25
8.0.120.0040.00416.79
8.0.110.0000.00716.86
8.0.100.0000.00816.88
8.0.90.0070.00016.93
8.0.80.0080.00816.91
8.0.70.0040.00416.71
8.0.60.0040.00416.83
8.0.50.0040.00416.71
8.0.30.0090.01016.98
8.0.20.0090.01117.40
8.0.10.0000.00716.79
8.0.00.0130.00616.70
7.4.330.0000.00515.00
7.4.320.0040.00416.37
7.4.300.0000.00916.35
7.4.290.0000.00716.43
7.4.280.0040.00416.56
7.4.270.0070.00016.39
7.4.260.0000.00716.45
7.4.250.0050.00316.47
7.4.240.0020.00516.42
7.4.230.0070.00016.60
7.4.220.0040.01416.30
7.4.210.0070.00716.46
7.4.200.0040.00416.34
7.4.160.0060.00916.57
7.4.150.0120.01217.40
7.4.140.0070.01117.86
7.4.130.0070.00916.36
7.4.120.0090.00816.36
7.4.110.0080.00816.49
7.4.100.0110.00816.43
7.4.90.0130.00716.58
7.4.80.0070.01019.39
7.4.70.0130.00316.41
7.4.60.0080.00816.45
7.4.50.0000.00616.33
7.4.40.0120.00616.57
7.4.30.0090.00616.61
7.4.10.0100.01015.11
7.4.00.0050.01114.93
7.3.330.0020.00213.02
7.3.320.0000.00612.90
7.3.310.0000.00816.24
7.3.300.0030.00316.18
7.3.290.0090.00616.19
7.3.280.0120.00716.19
7.3.270.0090.01217.40
7.3.260.0110.00616.34
7.3.250.0080.00816.47
7.3.240.0080.00816.14
7.3.230.0100.00616.39
7.3.210.0080.00816.24
7.3.200.0100.00719.39
7.3.190.0030.01316.45
7.3.180.0140.00316.25
7.3.170.0160.00616.43
7.3.160.0050.01116.25
7.3.130.0120.00314.70
7.3.120.0070.01114.44
7.3.110.0060.01314.79
7.3.100.0030.00914.93
7.3.90.0090.00614.62
7.3.80.0060.00714.45
7.3.70.0040.01114.80
7.3.60.0100.01014.75
7.3.50.0140.00014.82
7.3.40.0040.00814.52
7.3.30.0110.00414.45
7.3.20.0060.00316.36
7.3.10.0110.00416.64
7.3.00.0000.01316.52
7.2.330.0100.00716.46
7.2.320.0060.00916.54
7.2.310.0070.01016.68
7.2.300.0070.01016.54
7.2.290.0060.01116.61
7.2.260.0090.00915.11
7.2.250.0030.01515.04
7.2.240.0100.00314.83
7.2.230.0030.00914.93
7.2.220.0060.00915.05
7.2.210.0000.01314.61
7.2.200.0000.01415.11
7.2.190.0000.01815.07
7.2.180.0060.00914.96
7.2.170.0040.01114.99
7.2.160.0030.00915.08
7.2.150.0000.01616.65
7.2.140.0090.00616.70
7.2.130.0000.01616.64
7.2.120.0030.01016.86
7.2.110.0040.01116.82
7.2.100.0100.00716.95
7.2.90.0090.00616.65
7.2.80.0070.00717.02
7.2.70.0070.00716.67
7.2.60.0070.00316.85
7.2.50.0060.00317.00
7.2.40.0060.00616.79
7.2.30.0070.00716.90
7.2.20.0030.01016.94
7.2.10.0050.00516.80
7.2.00.0080.00618.04
7.1.330.0000.01515.71
7.1.320.0070.01015.55
7.1.310.0030.01015.65
7.1.300.0100.00715.83
7.1.290.0100.00015.38
7.1.280.0040.01115.64
7.1.270.0080.00415.64
7.1.260.0040.00715.72
7.1.250.0040.01115.88
7.1.240.0080.00415.52
7.1.230.0070.00715.36
7.1.220.0030.00815.48
7.1.210.0050.00515.62
7.1.200.0050.00515.58
7.1.190.0000.01415.52
7.1.180.0040.00415.61
7.1.170.0070.00415.42
7.1.160.0000.01515.69
7.1.150.0110.00315.70
7.1.140.0080.00315.56
7.1.130.0000.01215.61
7.1.120.0040.00715.46
7.1.110.0000.01115.84
7.1.100.0020.00916.86
7.1.90.0110.00415.53
7.1.80.0100.00715.70
7.1.70.0030.00716.28
7.1.60.0080.01217.50
7.1.50.0070.00516.33
7.1.40.0030.01015.50
7.1.30.0040.00415.70
7.1.20.0060.01015.67
7.1.10.0000.01515.60
7.1.00.0000.04618.91
7.0.330.0070.00415.16
7.0.320.0000.01315.29
7.0.310.0070.00715.46
7.0.300.0000.01115.08
7.0.290.0030.01015.34
7.0.280.0040.00415.35
7.0.270.0060.01015.35
7.0.260.0100.00015.30
7.0.250.0060.00615.49
7.0.240.0030.01015.51
7.0.230.0070.00715.30
7.0.220.0070.00715.34
7.0.210.0030.01015.32
7.0.200.0050.00416.09
7.0.190.0120.00015.55
7.0.180.0040.00815.53
7.0.170.0000.01515.20
7.0.160.0070.00715.26
7.0.150.0000.01415.50
7.0.140.0050.04018.71
7.0.130.0070.00415.29
7.0.120.0040.01115.43
7.0.110.0060.00915.18
7.0.100.0060.00315.07
7.0.90.0060.00315.26
7.0.80.0070.00615.08
7.0.70.0060.00315.41
7.0.60.0070.03517.60
7.0.50.0080.02016.54
7.0.40.0080.03516.77
7.0.30.0350.03716.77
7.0.20.0170.04516.68
7.0.10.0050.03816.84
7.0.00.0030.03816.79
5.6.400.0030.01014.21
5.6.390.0040.01114.16
5.6.380.0040.00814.40
5.6.370.0070.01014.36
5.6.360.0000.01514.16
5.6.350.0070.00414.39
5.6.340.0000.00814.08
5.6.330.0100.00314.04
5.6.320.0000.01114.33
5.6.310.0000.01314.57
5.6.300.0030.01314.37
5.6.290.0070.00713.91
5.6.280.0110.03517.71
5.6.270.0030.01014.24
5.6.260.0030.00914.36
5.6.250.0070.01014.19
5.6.240.0030.01214.11
5.6.230.0070.00714.44
5.6.220.0120.00014.39
5.6.210.0030.03417.35
5.6.200.0050.02316.26
5.6.190.0100.04517.42
5.6.180.0160.03917.48
5.6.170.0180.03217.59
5.6.160.0050.04917.25
5.6.150.0050.03316.07
5.6.140.0040.03816.25
5.6.130.0090.02616.23
5.6.120.0110.03517.66
5.6.110.0020.02617.65
5.6.100.0010.02617.71
5.6.90.0110.02817.65
5.6.80.0080.03317.27
5.6.70.2230.02917.32
5.6.60.0030.00514.19
5.6.50.0070.00714.31
5.6.40.0110.00414.39
5.6.30.0070.00814.21
5.6.20.0120.00414.10
5.6.10.0060.01014.09
5.6.00.0030.00614.30
5.5.380.0030.00614.14
5.5.370.0000.01614.07
5.5.360.0110.00014.09
5.5.350.0120.03917.31
5.5.340.0050.02416.07
5.5.330.0100.02717.26
5.5.320.0130.02517.31
5.5.310.0240.03117.23
5.5.300.0030.02315.92
5.5.290.0060.04615.98
5.5.280.0030.02617.47
5.5.270.0080.04317.52
5.5.260.0100.03317.41
5.5.250.0090.03517.39
5.5.240.0170.04017.16
5.5.230.0030.00913.95
5.5.220.0100.00614.32
5.5.210.0070.00413.95
5.5.200.0030.01014.37
5.5.190.0030.00614.24
5.5.180.0000.01814.03
5.5.170.0140.00314.25
5.5.160.0030.01014.10
5.5.150.0090.00613.94
5.5.140.0110.00314.01
5.5.130.0070.00713.76
5.5.120.0120.00314.38
5.5.110.0070.00714.09
5.5.100.0070.00714.42
5.5.90.0000.01014.08
5.5.80.0090.00614.53
5.5.70.0070.00714.05
5.5.60.0060.00613.93
5.5.50.0000.00914.18
5.5.40.0070.00714.13
5.5.30.0040.00713.96
5.5.20.0000.00913.86
5.5.10.0060.00614.09
5.5.00.0040.00813.87
5.4.450.0480.03215.31
5.4.440.0200.03515.27
5.4.430.0110.02815.21
5.4.420.0050.03314.94
5.4.410.0070.04315.11
5.4.400.0230.04414.79
5.4.390.0180.03514.72
5.4.380.0170.03014.71
5.4.370.0250.03814.64
5.4.360.0330.03214.69
5.4.350.0040.04211.40
5.4.340.0050.02211.34
5.4.330.0030.00310.53
5.4.320.0070.01911.71
5.4.310.0040.02711.61
5.4.300.0090.02611.51
5.4.290.0060.02611.61
5.4.280.0050.02811.46
5.4.270.0070.02211.57
5.4.260.0080.02011.56
5.4.250.0060.02311.68
5.4.240.0040.02111.70
5.4.230.0050.02211.48
5.4.220.0090.02011.62
5.4.210.0060.02011.56
5.4.200.0050.02311.58
5.4.190.0060.02011.43
5.4.180.0040.02011.46
5.4.170.0050.02311.58
5.4.160.0050.02111.53
5.4.150.0020.02411.45
5.4.140.0070.02011.27
5.4.130.0060.02011.48
5.4.120.0030.02211.39
5.4.110.0080.01811.31
5.4.100.0050.01811.47
5.4.90.0090.01811.33
5.4.80.0060.02111.40
5.4.70.0090.01911.39
5.4.60.0050.02111.37
5.4.50.0050.02111.45
5.4.40.0060.02111.36
5.4.30.0070.02111.35
5.4.20.0060.01811.38
5.4.10.0070.01811.39
5.4.00.0050.02111.13
5.3.290.0060.02111.61
5.3.280.0040.02311.44
5.3.270.0070.02111.52
5.3.260.0030.02311.56
5.3.250.0070.02111.56
5.3.240.0060.02111.46
5.3.230.0080.02111.43
5.3.220.0050.01911.42
5.3.210.0020.02511.43
5.3.200.0060.01811.47
5.3.190.0050.02411.41
5.3.180.0070.01911.56
5.3.170.0080.01811.51
5.3.160.0070.01911.52
5.3.150.0040.02411.49
5.3.140.0060.02411.49
5.3.130.0060.02911.43
5.3.120.0040.02911.50
5.3.110.0060.02511.50
5.3.100.0050.02811.20
5.3.90.0070.02211.16
5.3.80.0050.02111.17
5.3.70.0040.02311.11
5.3.60.0060.02011.26
5.3.50.0020.02511.15
5.3.40.0020.02411.08
5.3.30.0040.02011.14
5.3.20.0040.02010.93
5.3.10.0050.02010.92
5.3.00.0040.02210.91
5.2.170.0050.0319.18
5.2.160.0060.0289.17
5.2.150.0040.0319.17
5.2.140.0040.0319.18
5.2.130.0060.0299.13
5.2.120.0050.0289.13
5.2.110.0070.0279.14
5.2.100.0060.0279.13
5.2.90.0060.0319.13
5.2.80.0070.0289.13
5.2.70.0080.0289.13
5.2.60.0070.0299.08
5.2.50.0060.0299.05
5.2.40.0050.0289.03
5.2.30.0050.0299.00
5.2.20.0020.0318.99
5.2.10.0030.0298.91
5.2.00.0040.0308.77
5.1.60.0050.0238.05
5.1.50.0050.0248.05
5.1.40.0060.0238.04
5.1.30.0060.0328.39
5.1.20.0060.0318.41
5.1.10.0060.0318.13
5.1.00.0050.0368.13
5.0.50.0070.0256.61
5.0.40.0060.0256.47
5.0.30.0050.0386.28
5.0.20.0040.0216.25
5.0.10.0050.0226.23
5.0.00.0060.0316.23
4.4.90.0050.0174.78
4.4.80.0040.0174.75
4.4.70.0030.0164.75
4.4.60.0010.0184.76
4.4.50.0040.0184.77
4.4.40.0050.0284.71
4.4.30.0060.0164.76
4.4.20.0030.0174.84
4.4.10.0060.0154.85
4.4.00.0040.0254.76
4.3.110.0060.0134.67
4.3.100.0040.0144.67
4.3.90.0030.0164.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0020.0164.63
4.3.50.0050.0134.63
4.3.40.0000.0274.54
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0030.0163.23
4.3.00.0030.02310.99

preferences:
49.8 ms | 400 KiB | 5 Q