3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(&$a) { $a++; } $zz=5; a($zz); echo $zz;

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)
8.3.40.0070.00718.80
8.3.30.0070.00719.09
8.3.20.0000.00720.15
8.3.10.0030.00523.65
8.3.00.0080.00020.95
8.2.170.0070.00722.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.01126.16
8.2.120.0040.00419.36
8.2.110.0030.00722.20
8.2.100.0070.00417.84
8.2.90.0040.00418.96
8.2.80.0050.00317.97
8.2.70.0040.00717.63
8.2.60.0050.00317.77
8.2.50.0050.00318.07
8.2.40.0000.00820.00
8.2.30.0000.00718.21
8.2.20.0000.00817.64
8.2.10.0000.00717.94
8.2.00.0090.00017.78
8.1.270.0040.00423.82
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0060.00323.79
8.1.230.0040.00818.92
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0050.00318.34
8.1.160.0030.00321.88
8.1.150.0040.00418.56
8.1.140.0030.00517.29
8.1.130.0030.00319.53
8.1.120.0050.00217.43
8.1.110.0040.00417.38
8.1.100.0050.00317.40
8.1.90.0070.00017.37
8.1.80.0040.00417.39
8.1.70.0070.00017.32
8.1.60.0000.00717.58
8.1.50.0000.00717.48
8.1.40.0040.00417.55
8.1.30.0030.00617.64
8.1.20.0000.00717.57
8.1.10.0040.00417.52
8.1.00.0050.00217.35
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00318.35
8.0.270.0030.00317.29
8.0.260.0030.00317.23
8.0.250.0070.00016.91
8.0.240.0040.00416.96
8.0.230.0030.00316.80
8.0.220.0000.00716.83
8.0.210.0030.00316.68
8.0.200.0040.00416.88
8.0.190.0000.00816.85
8.0.180.0050.00316.80
8.0.170.0040.00416.75
8.0.160.0000.00816.81
8.0.150.0000.00716.85
8.0.140.0040.00416.82
8.0.130.0030.00313.31
8.0.120.0040.00416.83
8.0.110.0040.00416.74
8.0.100.0030.00416.70
8.0.90.0000.00716.64
8.0.80.0080.00616.78
8.0.70.0000.00816.79
8.0.60.0070.00016.69
8.0.50.0040.00416.70
8.0.30.0120.00716.89
8.0.20.0150.00617.40
8.0.10.0000.00716.82
8.0.00.0130.00616.88
7.4.330.0030.00315.00
7.4.320.0030.00316.43
7.4.300.0050.00316.64
7.4.290.0030.00516.51
7.4.280.0060.00316.48
7.4.270.0000.00716.52
7.4.260.0000.00816.53
7.4.250.0050.00316.54
7.4.240.0000.00716.55
7.4.230.0000.00716.55
7.4.220.0070.01016.57
7.4.210.0070.00716.49
7.4.200.0000.00716.50
7.4.160.0130.01016.55
7.4.150.0120.00617.40
7.4.140.0080.01217.86
7.4.130.0060.01016.50
7.4.120.0110.00516.43
7.4.110.0160.00716.24
7.4.100.0130.00316.53
7.4.90.0080.00816.51
7.4.80.0100.01419.39
7.4.70.0040.01416.50
7.4.60.0120.00316.64
7.4.50.0060.00016.14
7.4.40.0070.01316.59
7.4.30.0120.00616.52
7.4.00.0160.00015.20
7.3.330.0030.00613.25
7.3.320.0020.00213.09
7.3.310.0030.00516.34
7.3.300.0030.00316.24
7.3.290.0060.00916.29
7.3.280.0110.00416.29
7.3.270.0080.00817.40
7.3.260.0100.01116.29
7.3.250.0110.00816.46
7.3.240.0070.01016.25
7.3.230.0060.01216.39
7.3.210.0130.00716.45
7.3.200.0150.00419.39
7.3.190.0120.00616.55
7.3.180.0060.00916.25
7.3.170.0060.00916.27
7.3.160.0030.01216.43
7.3.120.0070.00714.75
7.2.330.0140.00316.35
7.2.320.0120.00416.62
7.2.310.0070.01016.61
7.2.300.0090.00616.36
7.2.290.0070.01016.45
7.2.60.0070.00716.85
7.2.00.0060.00619.37
7.1.200.0100.00715.45
7.1.100.0110.00517.92
7.1.70.0060.00916.96
7.1.60.0120.01219.70
7.1.50.0070.01816.86
7.1.00.0030.07722.35
7.0.200.0040.00416.84
7.0.140.0030.07322.18
7.0.60.0070.08019.85
7.0.50.0130.06017.96
7.0.40.0100.05320.35
7.0.30.0370.07020.08
7.0.20.0330.07720.23
7.0.10.0100.04720.14
7.0.00.0070.08320.09
5.6.280.0030.07021.13
5.6.210.0130.08020.52
5.6.200.0130.08018.25
5.6.190.0100.04020.65
5.6.180.0370.06720.42
5.6.170.0300.08320.55
5.6.160.0030.08720.54
5.6.150.0100.04018.29
5.6.140.0130.07718.19
5.6.130.0070.05318.23
5.6.120.0030.06721.13
5.6.110.0170.07321.12
5.6.100.0130.05320.96
5.6.90.0100.08320.99
5.6.80.0130.07720.53
5.5.350.2930.03020.32
5.5.340.0130.07018.09
5.5.330.0100.08320.35
5.5.320.0630.06720.20
5.5.310.0270.05320.31
5.5.300.0100.08017.95
5.5.290.0030.04317.95
5.5.280.0070.03720.93
5.5.270.0000.06320.87
5.5.260.0370.06020.87
5.5.250.0100.08320.58
5.5.240.0200.07320.26
5.4.450.0300.07019.43
5.4.440.0230.06719.39
5.4.430.0370.06719.21
5.4.420.0370.06719.48
5.4.410.0370.05019.25
5.4.400.0300.05719.06
5.4.390.0330.06019.15
5.4.380.0270.03719.23
5.4.370.0330.06019.22
5.4.360.0430.05719.22
5.4.350.0330.06719.06
5.4.340.0370.06718.85
5.4.320.0230.08319.09
5.4.310.0330.04019.19
5.4.300.0330.04019.08
5.4.290.0400.06319.13
5.4.280.0300.07019.09
5.4.270.0300.04319.31
5.4.260.0430.06018.87
5.4.250.0270.06019.23
5.4.240.0270.04719.05
5.4.230.0270.04319.21
5.4.220.0300.07318.86
5.4.210.0370.06319.07
5.4.200.0400.07718.94
5.4.190.0300.07019.12
5.4.180.0330.07019.08
5.4.170.0400.03318.84
5.4.160.0330.04019.20
5.4.150.0400.06719.07
5.4.140.0270.07016.32
5.4.130.0370.06016.35
5.4.120.0230.07716.35
5.4.110.0330.07016.40
5.4.100.0300.05016.35
5.4.90.0200.06316.45
5.4.80.0370.06016.37
5.4.70.0330.06316.44
5.4.60.0370.06016.52
5.4.50.0300.06716.52
5.4.40.0270.04016.25
5.4.30.0270.06316.51
5.4.20.0330.06016.48
5.4.10.0200.05016.17
5.4.00.0270.03015.96
5.3.290.0330.06714.75
5.3.280.0300.04014.64
5.3.270.0230.04714.61
5.3.260.0300.07314.51
5.3.250.0300.07014.72
5.3.240.0330.07014.72
5.3.230.0270.07714.68
5.3.220.0270.06714.49
5.3.210.0300.06014.53
5.3.200.0270.07314.53
5.3.190.0370.06314.49
5.3.180.0370.06014.42
5.3.170.0330.04014.64
5.3.160.0400.05714.56
5.3.150.0230.04014.48
5.3.140.0270.05014.54
5.3.130.0230.03314.54
5.3.120.0270.05014.46
5.3.110.0330.06714.52
5.3.100.0300.07313.95
5.3.90.0230.05313.89
5.3.80.0270.06014.09
5.3.70.0230.03714.13
5.3.60.0270.06714.16
5.3.50.0200.03313.96
5.3.40.0230.03013.85
5.3.30.0230.04013.81
5.3.20.0200.04013.67
5.3.10.0200.03713.77
5.3.00.0200.04013.64
5.2.170.0170.02711.04
5.2.160.0070.03711.05
5.2.150.0200.03311.22
5.2.140.0170.03011.36
5.2.130.0200.03011.11
5.2.120.0170.02711.10
5.2.110.0230.02711.31
5.2.100.0270.03711.15
5.2.90.0230.05010.99
5.2.80.0130.03011.14
5.2.70.0170.04011.04
5.2.60.0270.03711.00
5.2.50.0270.03311.09
5.2.40.0270.02710.96
5.2.30.0200.04710.87
5.2.20.0230.03310.91
5.2.10.0200.04710.85
5.2.00.0200.05310.76
5.1.60.0230.03710.34
5.1.50.0170.02310.34
5.1.40.0270.05010.34
5.1.30.0200.04310.34
5.1.20.0230.02710.34
5.1.10.0230.03310.34
5.1.00.0230.03010.34
5.0.50.0130.04310.34
5.0.40.0070.02310.34
5.0.30.0130.04710.34
5.0.20.0130.02310.34
5.0.10.0100.01710.34
5.0.00.0100.03010.34
4.4.90.0130.01710.34
4.4.80.0070.03310.34
4.4.70.0100.02310.34
4.4.60.0130.01710.34
4.4.50.0130.01710.34
4.4.40.0130.05010.34
4.4.30.0070.01710.34
4.4.20.0100.01710.34
4.4.10.0170.03010.34
4.4.00.0070.03310.34
4.3.110.0100.02710.34
4.3.100.0070.03710.34
4.3.90.0070.03010.34
4.3.80.0070.02710.34
4.3.70.0070.01710.34
4.3.60.0070.01710.34
4.3.50.0100.03710.34
4.3.40.0100.03310.34
4.3.30.0070.03710.34
4.3.20.0070.02710.34
4.3.10.0000.03010.34
4.3.00.0070.02010.34

preferences:
39.7 ms | 400 KiB | 5 Q