3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f(&$r) { $r++; } $r = 1; $r = f(f($r)); echo $r;

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)
8.3.40.0080.00818.71
8.3.30.0090.00618.84
8.3.20.0050.00318.73
8.3.10.0070.00318.86
8.3.00.0030.00619.30
8.2.170.0100.01022.96
8.2.160.0030.01318.79
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00221.12
8.2.110.0030.00720.96
8.2.100.0000.01117.78
8.2.90.0060.00319.05
8.2.80.0030.00619.28
8.2.70.0000.00817.63
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0000.00818.07
8.2.30.0000.00918.16
8.2.20.0030.00517.68
8.2.10.0050.00217.73
8.2.00.0040.00717.80
8.1.270.0040.00424.66
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0060.00322.50
8.1.230.0110.00020.90
8.1.220.0060.00317.74
8.1.210.0040.00418.93
8.1.200.0060.00317.23
8.1.190.0000.00817.41
8.1.180.0050.00318.10
8.1.170.0000.00918.75
8.1.160.0000.00718.93
8.1.150.0000.00718.63
8.1.140.0040.00417.45
8.1.130.0040.00417.87
8.1.120.0070.00017.34
8.1.110.0000.00717.37
8.1.100.0040.00417.29
8.1.90.0030.00317.45
8.1.80.0070.00017.46
8.1.70.0000.00717.34
8.1.60.0040.00417.58
8.1.50.0040.00417.49
8.1.40.0030.00617.49
8.1.30.0030.00617.54
8.1.20.0030.00617.54
8.1.10.0000.00717.51
8.1.00.0070.00017.41
8.0.300.0050.00219.77
8.0.290.0030.00616.63
8.0.280.0000.00718.44
8.0.270.0000.00717.27
8.0.260.0030.00316.81
8.0.250.0020.00517.04
8.0.240.0000.00717.04
8.0.230.0000.00716.96
8.0.220.0000.00716.82
8.0.210.0030.00616.88
8.0.200.0000.00816.99
8.0.190.0000.00816.91
8.0.180.0040.00416.91
8.0.170.0030.00616.79
8.0.160.0000.00816.86
8.0.150.0050.00216.80
8.0.140.0070.00216.83
8.0.130.0050.00013.34
8.0.120.0050.00316.87
8.0.110.0040.00416.80
8.0.100.0040.00416.71
8.0.90.0020.00516.90
8.0.80.0060.01516.86
8.0.70.0000.00816.86
8.0.60.0000.00816.73
8.0.50.0000.00816.77
8.0.30.0110.00617.26
8.0.20.0090.01017.24
8.0.10.0040.00416.90
8.0.00.0120.00616.82
7.4.330.0030.00312.94
7.4.320.0000.00616.39
7.4.300.0070.00016.52
7.4.290.0000.00716.65
7.4.280.0030.00616.45
7.4.270.0040.00416.50
7.4.260.0030.00313.30
7.4.250.0080.00016.49
7.4.240.0030.00516.53
7.4.230.0030.00316.51
7.4.220.0090.00916.49
7.4.210.0060.01016.70
7.4.200.0030.00316.69
7.4.190.0040.00416.46
7.4.160.0110.00616.52
7.4.150.0040.01216.46
7.4.140.0060.00916.27
7.4.130.0130.00316.54
7.4.120.0080.00816.59
7.4.110.0060.01216.37
7.4.100.0070.01616.58
7.4.90.0170.00616.43
7.4.80.0070.01319.39
7.4.70.0100.00616.67
7.4.60.0030.01316.58
7.4.50.0080.00016.47
7.4.40.0080.00816.67
7.4.30.0140.00316.45
7.4.00.0070.01015.21
7.3.330.0050.00013.37
7.3.320.0050.00013.18
7.3.310.0000.00716.46
7.3.300.0030.00316.31
7.3.290.0090.00816.36
7.3.280.0110.00716.39
7.3.270.0060.01116.48
7.3.260.0030.01316.52
7.3.250.0130.00716.52
7.3.240.0060.01616.48
7.3.230.0060.01016.41
7.3.210.0140.00316.72
7.3.200.0040.01216.41
7.3.190.0190.00316.77
7.3.180.0080.00816.67
7.3.170.0030.01216.47
7.3.160.0100.00716.43
7.3.120.0070.01014.83
7.2.330.0040.01316.87
7.2.320.0120.00616.74
7.2.310.0150.00316.62
7.2.300.0100.00716.52
7.2.290.0060.01516.57
7.2.60.0040.01116.84
7.2.00.0000.01419.34
7.1.200.0100.01015.67
7.1.100.0030.00617.95
7.1.70.0060.00617.16
7.1.60.0070.00719.30
7.1.50.0100.00716.88
7.1.00.0030.05322.27
7.0.200.0090.00616.64
7.0.140.0070.07022.01
7.0.110.0130.07719.93
7.0.100.0170.07019.93
7.0.90.0130.08319.95
7.0.80.0170.07319.98
7.0.70.0130.07319.89
7.0.60.0070.08719.93
7.0.50.0070.03720.09
7.0.40.0030.04719.79
7.0.30.0070.08319.82
7.0.20.0030.07719.70
7.0.10.0030.05319.63
7.0.00.0000.04319.73
5.6.280.0000.07721.13
5.6.260.0030.08020.70
5.6.250.0070.03720.57
5.6.240.0070.06720.57
5.6.230.0100.07720.69
5.6.220.0070.07020.70
5.6.210.0000.04020.69
5.6.200.0100.03320.48
5.6.190.0330.06020.68
5.6.180.0070.03320.64
5.6.170.0070.07320.57
5.6.160.0200.06020.70
5.6.150.0030.08020.63
5.6.140.0070.08020.63
5.6.130.0030.04020.85
5.6.120.0070.05020.62
5.6.110.0070.05320.55
5.6.100.0100.07720.68
5.6.90.0100.07720.64
5.6.80.0100.07320.24
5.6.70.0070.04319.99
5.6.60.0030.07720.01
5.6.50.0070.07719.94
5.6.40.0100.06320.06
5.6.30.0000.05320.01
5.6.20.0030.08020.00
5.6.10.0030.08019.95
5.6.00.0170.07019.91
5.5.380.0070.07717.55
5.5.370.0070.04317.52
5.5.360.0130.06017.51
5.5.350.0070.07717.68
5.5.340.0030.03718.22
5.5.330.0070.07318.23
5.5.320.0070.07017.93
5.5.310.0030.03717.93
5.5.300.0030.03717.92
5.5.290.0070.07018.22
5.5.280.0000.05718.11
5.5.270.0030.08018.07
5.5.260.0170.07017.92
5.5.250.0000.08017.94
5.5.240.0100.06317.52
5.5.230.0100.07017.48
5.5.220.0070.07317.63
5.5.210.0070.05017.27
5.5.200.0100.03317.29
5.5.190.0030.04017.28
5.5.180.0030.08017.49
5.5.160.0000.07717.49
5.5.150.0100.07317.43
5.5.140.0030.06717.58
5.5.130.0100.06017.44
5.5.120.0030.06717.40
5.5.110.0000.04317.18
5.5.100.0070.07317.51
5.5.90.0130.06717.34
5.5.80.0030.06317.34
5.5.70.0030.07317.16
5.5.60.0130.07017.33
5.5.50.0030.07717.47
5.5.40.0200.06017.46
5.5.30.0030.07017.15
5.5.20.0070.07717.32
5.5.10.0100.07017.32
5.5.00.0130.05317.34
5.4.450.0070.07719.36
5.4.440.0100.06019.36
5.4.430.0030.07019.41
5.4.420.0000.06719.33
5.4.410.0070.07719.42
5.4.400.0030.04319.00
5.4.390.0000.07319.01
5.4.380.0030.07719.34
5.4.370.0100.07019.25
5.4.360.0100.07719.01
5.4.350.0130.07018.98
5.4.340.0000.08719.00
5.4.320.0070.07719.03
5.4.310.0030.08019.33
5.4.300.0170.07019.17
5.4.290.0030.07019.02
5.4.280.0000.03719.11
5.4.270.0130.02319.01
5.4.260.0070.07319.23
5.4.250.0070.07019.15
5.4.240.0100.06019.21
5.4.230.0100.04719.22
5.4.220.0130.07019.13
5.4.210.0130.06719.00
5.4.200.0030.07719.01
5.4.190.0100.06319.00
5.4.180.0030.07018.94
5.4.170.0100.07719.23
5.4.160.0100.07319.21
5.4.150.0070.04318.93
5.4.140.0030.07316.55
5.4.130.0030.06316.34
5.4.120.0100.05716.51
5.4.110.0000.05316.56
5.4.100.0170.05016.36
5.4.90.0030.07716.61
5.4.80.0170.03016.25
5.4.70.0030.05016.53
5.4.60.0030.07316.23
5.4.50.0100.07016.55
5.4.40.0100.05716.61
5.4.30.0000.04316.52
5.4.20.0130.06316.38
5.4.10.0100.06716.48
5.4.00.0070.07015.99
5.3.290.0070.07314.74
5.3.280.0030.06014.63
5.3.270.0030.06314.63
5.3.260.0130.03714.62
5.3.250.0100.07314.56
5.3.240.0070.06714.46
5.3.230.0000.06714.70
5.3.220.0130.06314.70
5.3.210.0030.08014.79
5.3.200.0030.07314.57
5.3.190.0070.07714.60
5.3.180.0030.07314.64
5.3.170.0030.07314.41
5.3.160.0070.06314.57
5.3.150.0000.07714.42
5.3.140.0030.07714.61
5.3.130.0070.07314.50
5.3.120.0030.04714.69
5.3.110.0030.04714.41
5.3.100.0100.07014.27
5.3.90.0030.05014.04
5.3.80.0030.07014.24
5.3.70.0100.07014.15
5.3.60.0070.07313.86
5.3.50.0000.04013.97
5.3.40.0030.04313.79
5.3.30.0130.06013.91
5.3.20.0030.07313.76
5.3.10.0070.06713.73
5.3.00.0000.07013.77
5.2.170.0000.05711.82
5.2.160.0170.02711.82
5.2.150.0070.02711.82
5.2.140.0070.05311.82
5.2.130.0100.06011.82
5.2.120.0000.06311.82
5.2.110.0030.03711.82
5.2.100.0030.03311.82
5.2.90.0070.03011.82
5.2.80.0030.06011.82
5.2.70.0000.03011.82
5.2.60.0070.04711.82
5.2.50.0000.06711.82
5.2.40.0000.05311.82
5.2.30.0030.06311.82
5.2.20.0000.06011.82
5.2.10.0070.05711.82
5.2.00.0070.06011.82
5.1.60.0170.04011.82
5.1.50.0030.05711.82
5.1.40.0000.03011.82
5.1.30.0030.05711.82
5.1.20.0070.05311.82
5.1.10.0030.05711.82
5.1.00.0000.05711.82
5.0.50.0000.02711.82
5.0.40.0030.03711.82
5.0.30.0000.04311.82
5.0.20.0030.04311.82
5.0.10.0030.04311.82
5.0.00.0000.03711.82
4.4.90.0000.03711.82
4.4.80.0070.03311.82
4.4.70.0070.03011.82
4.4.60.0030.03311.82
4.4.50.0000.03711.82
4.4.40.0030.04711.82
4.4.30.0070.02011.82
4.4.20.0030.01711.82
4.4.10.0000.03011.82
4.4.00.0000.04711.82
4.3.110.0000.03711.82
4.3.100.0000.03311.82
4.3.90.0070.03711.82
4.3.80.0000.02311.82
4.3.70.0000.03311.82
4.3.60.0000.03311.82
4.3.50.0030.01711.82
4.3.40.0030.02711.82
4.3.30.0000.03711.82
4.3.20.0000.03311.82
4.3.10.0070.01311.82
4.3.00.0070.03011.82

preferences:
41.5 ms | 400 KiB | 5 Q