3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; } function &bar() { $a = 5; return $a; } foo(bar());

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)
8.3.60.0040.01116.63
8.3.50.0050.01122.89
8.3.40.0170.00318.71
8.3.30.0070.00719.05
8.3.20.0050.00320.21
8.3.10.0020.00523.65
8.3.00.0060.00322.73
8.2.180.0110.00416.38
8.2.170.0100.01022.96
8.2.160.0090.00920.11
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00427.12
8.2.120.0060.00424.55
8.2.110.0050.00623.64
8.2.100.0070.00322.93
8.2.90.0050.00522.92
8.2.80.0070.00123.35
8.2.70.0060.00523.06
8.2.60.0090.00222.79
8.2.50.0050.00422.79
8.2.40.0060.00222.85
8.2.30.0050.00421.68
8.2.20.0040.00421.49
8.2.10.0030.00821.59
8.2.00.0070.00421.55
8.1.280.0100.01025.92
8.1.270.0040.00423.79
8.1.260.0060.00327.22
8.1.250.0020.00728.09
8.1.240.0050.00423.51
8.1.230.0070.00323.65
8.1.220.0030.00622.91
8.1.210.0050.00323.43
8.1.200.0080.00520.51
8.1.190.0070.00222.60
8.1.180.0040.00623.09
8.1.170.0050.00622.85
8.1.160.0070.00322.83
8.1.150.0070.00421.79
8.1.140.0080.00221.37
8.1.130.0070.00621.51
8.1.120.0060.00521.35
8.1.110.0070.00521.29
8.1.100.0080.00321.36
8.1.90.0060.00721.37
8.1.80.0090.00321.33
8.1.70.0060.00520.31
8.1.60.0100.00520.50
8.1.50.0080.00620.45
8.1.40.0120.00220.46
8.1.30.0110.00419.93
8.1.20.0120.00519.95
8.1.10.0150.00319.82
8.1.00.0100.00719.76
8.0.300.0070.00123.43
8.0.290.0040.00422.42
8.0.280.0050.00521.42
8.0.270.0060.00421.06
8.0.260.0050.00521.01
8.0.250.0080.00320.95
8.0.240.0100.00321.00
8.0.230.0060.00320.94
8.0.220.0050.00420.94
8.0.210.0020.00720.91
8.0.200.0070.00419.88
8.0.190.0060.00519.92
8.0.180.0070.00319.87
8.0.170.0060.00519.92
8.0.160.0080.00519.26
8.0.150.0100.00419.20
8.0.140.0070.00719.24
8.0.130.0100.00418.56
8.0.120.0090.00519.26
8.0.110.0090.00419.26
8.0.100.0070.00619.25
8.0.90.0100.00419.27
8.0.80.0120.00519.23
8.0.70.0090.00419.24
8.0.60.0090.00419.21
8.0.50.0120.00119.27
8.0.30.0090.00718.94
8.0.20.0120.00519.08
8.0.10.0090.00319.32
8.0.00.0080.00618.88
7.4.330.0060.00619.97
7.4.320.0080.00520.68
7.4.300.0090.00619.64
7.4.290.0080.00619.75
7.4.280.0110.00319.64
7.4.270.0090.00419.05
7.4.260.0070.00619.04
7.4.250.0070.00619.01
7.4.240.0080.00418.63
7.4.230.0110.00418.99
7.4.220.0090.00919.03
7.4.210.0110.00419.05
7.4.200.0090.00518.95
7.4.190.0110.00619.65
7.4.180.0090.00619.72
7.4.160.0110.00519.08
7.4.150.0090.00819.19
7.4.140.0100.00519.04
7.4.130.0100.00518.53
7.4.120.0090.00618.52
7.4.110.0110.00319.01
7.4.100.0080.00719.00
7.4.90.0100.00618.95
7.4.80.0120.00519.52
7.4.70.0120.00418.98
7.4.60.0100.00719.02
7.4.50.0110.00218.82
7.4.40.0090.00718.94
7.4.30.0090.00618.97
7.4.20.0110.00419.58
7.4.10.0070.00519.53
7.4.00.0080.00518.65
7.3.330.0100.00518.27
7.3.320.0090.00618.23
7.3.310.0130.00318.84
7.3.300.0110.00518.90
7.3.290.0130.00518.81
7.3.280.0100.00718.13
7.3.270.0120.00719.06
7.3.260.0120.00718.91
7.3.250.0110.00618.44
7.3.240.0140.00518.87
7.3.230.0100.00818.90
7.3.220.0120.00519.49
7.3.210.0130.00418.77
7.3.200.0140.00319.51
7.3.190.0130.00418.85
7.3.180.0120.00618.90
7.3.170.0160.00318.85
7.3.160.0110.00718.92
7.3.150.0080.01019.47
7.3.140.0130.00519.44
7.3.130.0110.00819.42
7.3.120.0140.00419.48
7.3.110.0140.00619.33
7.3.100.0140.00519.35
7.3.90.0150.00419.65
7.3.80.0140.00319.43
7.3.70.0150.00219.55
7.3.60.0140.00319.57
7.3.50.0160.00119.57
7.3.40.0130.00519.60
7.3.30.0120.00419.68
7.3.20.0150.00320.95
7.3.10.0110.00520.08
7.3.00.0130.00520.07
7.2.340.0130.00519.42
7.2.330.0120.00618.86
7.2.320.0140.00318.88
7.2.310.0120.00518.89
7.2.300.0120.00618.93
7.2.290.0130.00418.84
7.2.280.0100.00719.44
7.2.270.0130.00519.46
7.2.260.0140.00519.43
7.2.250.0150.00419.41
7.2.240.0130.00519.44
7.2.230.0100.00819.42
7.2.220.0120.00619.42
7.2.210.0140.00419.42
7.2.200.0150.00419.58
7.2.190.0100.00819.51
7.2.180.0140.00419.54
7.2.170.0120.00519.64
7.2.160.0130.00419.56
7.2.150.0130.00721.00
7.2.140.0150.00220.97
7.2.130.0120.00420.19
7.2.120.0140.00320.19
7.2.110.0140.00220.19
7.2.100.0130.00420.13
7.2.90.0150.00320.12
7.2.80.0120.00520.15
7.2.70.0130.00520.14
7.2.60.0130.00219.60
7.2.50.0120.00520.13
7.2.40.0340.00619.83
7.2.30.0450.00719.62
7.2.20.0430.00719.69
7.2.10.0350.00819.50
7.2.00.0370.00719.78
7.1.330.0120.00320.24
7.1.320.0120.00520.25
7.1.310.0140.00420.30
7.1.300.0110.00520.12
7.1.290.0130.00420.20
7.1.280.0130.00320.14
7.1.270.0130.00420.12
7.1.260.0130.00320.14
7.1.250.0100.00619.23
7.1.240.0140.00220.10
7.1.230.0110.00420.15
7.1.220.0100.00520.16
7.1.210.0100.00620.10
7.1.200.0120.00419.23
7.1.190.0130.00220.17
7.1.180.0160.00120.12
7.1.170.0130.00320.21
7.1.160.0390.00519.37
7.1.150.0390.00819.32
7.1.140.0530.00319.37
7.1.130.0490.00619.52
7.1.120.0510.00619.45
7.1.110.0440.00819.32
7.1.100.0400.00519.04
7.1.90.0390.00619.31
7.1.80.0530.00319.29
7.1.70.0280.00518.73
7.1.60.0330.01022.19
7.1.50.0370.00721.71
7.1.40.0310.00622.61
7.1.30.0280.00622.65
7.1.20.0350.00622.66
7.1.10.0200.00619.08
7.1.00.0210.01719.54
7.0.330.0080.00620.01
7.0.320.0090.00519.98
7.0.310.0120.00320.03
7.0.300.0100.00520.00
7.0.290.0500.00519.25
7.0.280.0140.00319.95
7.0.270.0400.00519.28
7.0.260.0410.00519.25
7.0.250.0370.00719.29
7.0.240.0440.00619.26
7.0.230.0420.00419.17
7.0.220.0390.00619.17
7.0.210.0720.00518.98
7.0.200.0360.00518.27
7.0.190.0390.00718.98
7.0.180.0240.00618.96
7.0.170.0330.00418.96
7.0.160.0250.00518.80
7.0.150.0270.00318.91
7.0.140.0170.01619.40
7.0.130.0270.00318.90
7.0.120.0290.00418.88
7.0.110.0200.00518.81
7.0.100.0250.00618.77
7.0.90.0220.00418.76
7.0.80.0190.00518.85
7.0.70.0260.00418.82
7.0.60.0170.01819.01
7.0.50.0220.01818.69
7.0.40.0150.02019.15
7.0.30.0300.01819.13
7.0.20.0540.01419.13
7.0.10.0180.01519.16
7.0.00.0210.01819.05
5.6.400.0110.00519.05
5.6.390.0120.00419.03
5.6.380.0120.00319.06
5.6.370.0120.00318.95
5.6.360.0100.00519.09
5.6.350.0140.00119.10
5.6.340.0100.00519.03
5.6.330.0120.00319.12
5.6.320.0130.00219.08
5.6.310.0100.00519.05
5.6.300.0130.01819.33
5.6.290.0120.01619.34
5.6.280.0150.01519.37
5.6.270.0110.01719.45
5.6.260.0120.02019.41
5.6.250.0120.01519.39
5.6.240.0120.01719.44
5.6.230.0120.01519.43
5.6.220.0120.01419.43
5.6.210.0130.02419.62
5.6.200.0130.02819.29
5.6.190.0100.02219.66
5.6.180.0140.02319.66
5.6.170.0150.02519.74
5.6.160.0120.02719.67
5.6.150.0110.03019.27
5.6.140.0100.02419.25
5.6.130.0110.02519.28
5.6.120.0120.02119.73
5.6.110.0100.02219.73
5.6.100.0130.02619.67
5.6.90.0130.02419.72
5.6.80.0100.02719.49
5.6.70.0120.01419.32
5.6.60.0110.01419.35
5.6.50.0130.01719.31
5.6.40.0130.01419.32
5.6.30.0090.01919.30
5.6.20.0110.01519.25
5.6.10.0120.01419.29
5.6.00.0100.01519.24
5.5.380.0110.01518.81
5.5.370.0120.01718.84
5.5.360.0120.01418.69
5.5.350.0170.02018.98
5.5.340.0110.02318.75
5.5.330.0130.03019.06
5.5.320.0150.02519.05
5.5.310.0150.01919.07
5.5.300.0120.02418.68
5.5.290.0110.02118.72
5.5.280.0140.02419.20
5.5.270.0140.02519.10
5.5.260.0110.02819.08
5.5.250.0150.01919.14
5.5.240.0100.02619.01
5.5.230.0110.01518.73
5.5.220.0100.01518.74
5.5.210.0140.01318.80
5.5.200.0130.01318.63
5.5.190.0150.01418.68
5.5.180.0120.01618.67
5.5.170.0100.00418.96
5.5.160.0110.01518.65
5.5.150.0080.02218.59
5.5.140.0120.01718.58
5.5.130.0110.01518.60
5.5.120.0110.01418.58
5.5.110.0120.01418.63
5.5.100.0110.01518.67
5.5.90.0120.01318.67
5.5.80.0110.01318.70
5.5.70.0130.01218.67
5.5.60.0150.01618.67
5.5.50.0100.01918.65
5.5.40.0140.01718.76
5.5.30.0110.01618.62
5.5.20.0120.01618.64
5.5.10.0120.01818.67
5.5.00.0080.01818.68
5.4.450.0220.02418.14
5.4.440.0200.02318.17
5.4.430.0190.02118.17
5.4.420.0280.01618.13
5.4.410.0100.02118.00
5.4.400.0130.02017.93
5.4.390.0180.02417.91
5.4.380.0110.02217.95
5.4.370.0100.02017.86
5.4.360.0080.02317.90
5.4.350.0100.01916.86
5.4.340.0100.02116.81
5.4.330.0070.00517.50
5.4.320.0090.02116.97
5.4.310.0090.01716.93
5.4.300.0090.02116.87
5.4.290.0100.01716.91
5.4.280.0090.01816.86
5.4.270.0110.01816.83
5.4.260.0110.01716.88
5.4.250.0100.01816.87
5.4.240.0080.01816.87
5.4.230.0100.02016.73
5.4.220.0100.01716.77
5.4.210.0090.02216.86
5.4.200.0100.01816.82
5.4.190.0110.01616.79
5.4.180.0100.01716.77
5.4.170.0110.01916.81
5.4.160.0100.01916.86
5.4.150.0070.02416.85
5.4.140.0080.02216.47
5.4.130.0080.01816.45
5.4.120.0100.01816.39
5.4.110.0110.01716.44
5.4.100.0100.01816.46
5.4.90.0090.02016.48
5.4.80.0100.01716.45
5.4.70.0090.01916.42
5.4.60.0090.01816.45
5.4.50.0100.01616.43
5.4.40.0110.01716.51
5.4.30.0100.01616.46
5.4.20.0070.01916.50
5.4.10.0090.01916.39
5.4.00.0090.01916.20

preferences:
48.95 ms | 401 KiB | 5 Q