3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "Bleh!"; $b = "Ho Hum"; function testIt (&$b){ $b = "Yay!"; } testIt($a); echo $a; echo $b;

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)
8.3.70.0180.00416.58
8.3.60.0000.01416.50
8.3.50.0160.00321.91
8.3.40.0120.00618.80
8.3.30.0110.00318.82
8.3.20.0050.00220.04
8.3.10.0040.00423.48
8.3.00.0040.00420.95
8.2.180.0110.00418.18
8.2.170.0200.00022.96
8.2.160.0120.00320.56
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0080.00020.90
8.2.110.0060.00322.26
8.2.100.0090.00317.78
8.2.90.0050.00319.27
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0040.00419.88
8.2.30.0000.00718.23
8.2.20.0070.00017.67
8.2.10.0080.00017.92
8.2.00.0000.00817.67
8.1.280.0150.00025.92
8.1.270.0090.00023.95
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0000.00822.13
8.1.230.0040.00719.04
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0080.00417.23
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0060.00518.36
8.1.160.0050.00221.82
8.1.150.0040.00418.52
8.1.140.0050.00217.29
8.1.130.0000.00717.86
8.1.120.0050.00217.44
8.1.110.0000.00717.41
8.1.100.0000.00717.34
8.1.90.0000.00717.35
8.1.80.0050.00517.29
8.1.70.0000.00717.33
8.1.60.0060.00317.46
8.1.50.0040.00417.50
8.1.40.0040.00417.46
8.1.30.0090.00017.67
8.1.20.0070.00017.52
8.1.10.0040.00417.37
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0050.00217.04
8.0.280.0040.00418.31
8.0.270.0000.01017.16
8.0.260.0030.00317.20
8.0.250.0040.00416.84
8.0.240.0040.00416.96
8.0.230.0030.00316.77
8.0.220.0000.00716.73
8.0.210.0040.00416.72
8.0.200.0030.00316.80
8.0.190.0070.00016.89
8.0.180.0040.00316.90
8.0.170.0080.00016.79
8.0.160.0000.00716.80
8.0.150.0000.00816.78
8.0.140.0000.00716.65
8.0.130.0030.00313.20
8.0.120.0070.00016.76
8.0.110.0070.00016.78
8.0.100.0000.00716.88
8.0.90.0080.00016.86
8.0.80.0000.02016.71
8.0.70.0040.00416.80
8.0.60.0040.00416.65
8.0.50.0030.00316.66
8.0.30.0130.00517.22
8.0.20.0110.01117.40
8.0.10.0020.00516.99
8.0.00.0060.01416.84
7.4.330.0000.00715.00
7.4.320.0000.00616.34
7.4.300.0000.00616.47
7.4.290.0000.00716.45
7.4.280.0090.00016.54
7.4.270.0000.00716.58
7.4.260.0030.00316.57
7.4.250.0040.00416.47
7.4.240.0000.00716.39
7.4.230.0040.00416.59
7.4.220.0070.00916.66
7.4.210.0090.00816.58
7.4.200.0050.00216.41
7.4.190.0070.00016.39
7.4.160.0060.01016.32
7.4.150.0070.01017.40
7.4.140.0050.01617.86
7.4.130.0110.00516.61
7.4.120.0090.00916.59
7.4.110.0140.00716.49
7.4.100.0090.00916.31
7.4.90.0060.01216.48
7.4.80.0070.01019.39
7.4.70.0100.00616.40
7.4.60.0030.01416.48
7.4.50.0050.00316.61
7.4.40.0100.00616.47
7.4.30.0030.01216.59
7.4.00.0120.00615.10
7.3.330.0000.00613.33
7.3.320.0030.00313.30
7.3.310.0070.00016.19
7.3.300.0040.00416.30
7.3.290.0090.00916.32
7.3.280.0100.00716.29
7.3.270.0150.00917.40
7.3.260.0090.00916.58
7.3.250.0090.01116.33
7.3.240.0080.00816.26
7.3.230.0110.00516.39
7.3.210.0170.00716.43
7.3.200.0110.01119.39
7.3.190.0120.00416.36
7.3.180.0130.00316.27
7.3.170.0060.00916.52
7.3.160.0100.01016.27
7.3.120.0070.01015.02
7.2.330.0080.01216.38
7.2.320.0120.00616.27
7.2.310.0160.00316.58
7.2.300.0070.01316.43
7.2.290.0080.00816.17
7.2.60.0000.01616.70
7.2.00.0040.00419.26
7.1.200.0080.00315.39
7.1.100.0040.01118.21
7.1.70.0000.00717.18
7.1.60.0140.01119.46
7.1.50.0060.01616.73
7.1.00.0000.08022.36
7.0.200.0000.00716.70
7.0.140.0030.07721.98
7.0.60.0000.04320.02
7.0.50.0130.08017.91
7.0.40.0130.08320.20
7.0.30.0330.07020.15
7.0.20.0230.03320.07
7.0.10.0000.05320.30
7.0.00.0070.03720.11
5.6.280.0000.07720.87
5.6.210.0100.07720.47
5.6.200.0100.08318.20
5.6.190.0070.08320.59
5.6.180.0100.08320.61
5.6.170.0330.06020.57
5.6.160.0100.08320.66
5.6.150.0030.04718.18
5.6.140.0070.03718.16
5.6.130.0100.07318.17
5.6.120.0030.10020.98
5.6.110.0100.08021.02
5.6.100.0070.07021.12
5.6.90.0100.03720.99
5.6.80.0070.08020.54
5.5.350.0070.07020.41
5.5.340.0070.07718.05
5.5.330.0100.08320.27
5.5.320.0370.06720.33
5.5.310.0330.03720.27
5.5.300.0100.08018.03
5.5.290.0030.04018.02
5.5.280.0170.07720.98
5.5.270.0130.07720.84
5.5.260.0030.08720.88
5.5.250.0030.04720.78
5.5.240.0070.07320.15
5.4.450.0270.06719.45
5.4.440.0200.07019.33
5.4.430.0030.06019.63
5.4.420.0870.04719.38
5.4.410.0770.05319.30
5.4.400.0630.06019.06
5.4.390.0870.04719.34
5.4.380.0430.04718.79
5.4.370.0330.05018.82
5.4.360.0330.05318.77
5.4.350.0330.05318.50
5.4.340.0400.04718.75
5.4.320.0080.04212.50
5.4.310.0080.04812.50
5.4.300.0110.08112.50
5.4.290.0100.07012.50
5.4.280.0060.05112.39
5.4.270.0120.04812.40
5.4.260.0090.04212.39
5.4.250.0070.03712.40
5.4.240.0090.04812.40
5.4.230.0130.04412.39
5.4.220.0080.03612.39
5.4.210.0030.04412.39
5.4.200.0050.03812.39
5.4.190.0060.03612.39
5.4.180.0100.04312.39
5.4.170.0070.05412.39
5.4.160.0050.03812.39
5.4.150.0080.03712.39
5.4.140.0090.05912.07
5.4.130.0090.04712.06
5.4.120.0060.05112.02
5.4.110.0070.04312.01
5.4.100.0070.05012.02
5.4.90.0060.05012.01
5.4.80.0060.05412.01
5.4.70.0040.05512.01
5.4.60.0060.04812.01
5.4.50.0080.05312.00
5.4.40.0080.05412.00
5.4.30.0110.05012.00
5.4.20.0060.05511.99
5.4.10.0070.05412.00
5.4.00.0080.05311.48
5.3.290.0030.04212.80
5.3.280.0090.05412.71
5.3.270.0070.05812.73
5.3.260.0100.05712.72
5.3.250.0100.05812.71
5.3.240.0110.05512.72
5.3.230.0090.05312.71
5.3.220.0120.05212.68
5.3.210.0090.05112.68
5.3.200.0050.03812.68
5.3.190.0070.03912.68
5.3.180.0080.03812.68
5.3.170.0080.03912.67
5.3.160.0100.03512.67
5.3.150.0050.04012.67
5.3.140.0080.03612.66
5.3.130.0060.04112.66
5.3.120.0070.04312.66
5.3.110.0080.04012.66
5.3.100.0070.03912.12
5.3.90.0070.06112.09
5.3.80.0120.04412.09
5.3.70.0090.04412.09
5.3.60.0090.05612.08
5.3.50.0070.03412.01
5.3.40.0060.05012.01
5.3.30.0090.04311.97
5.3.20.0050.03611.76
5.3.10.0080.03311.73
5.3.00.0040.03811.71
5.2.170.0030.0319.21
5.2.160.0030.0319.21
5.2.150.0050.0439.21
5.2.140.0030.0469.21
5.2.130.0060.0429.16
5.2.120.0070.0319.17
5.2.110.0050.0409.17
5.2.100.0050.0439.17
5.2.90.0050.0309.17
5.2.80.0060.0299.16
5.2.70.0060.0299.17
5.2.60.0090.0409.13
5.2.50.0090.0409.09
5.2.40.0060.0399.07
5.2.30.0040.0399.04
5.2.20.0080.0369.03
5.2.10.0060.0268.93
5.2.00.0040.0318.79
5.1.60.0000.0288.09
5.1.50.0050.0248.08
5.1.40.0060.0338.06
5.1.30.0030.0368.41
5.1.20.0050.0328.43
5.1.10.0070.0288.17
5.1.00.0040.0308.16
5.0.50.0080.0216.63
5.0.40.0060.0186.50
5.0.30.0090.0376.30
5.0.20.0050.0216.27
5.0.10.0090.0216.25
5.0.00.0070.0316.25
4.4.90.0030.0154.78
4.4.80.0030.0174.76
4.4.70.0040.0194.75
4.4.60.0030.0204.75
4.4.50.0030.0214.77
4.4.40.0040.0274.71
4.4.30.0050.0194.75
4.4.20.0020.0204.84
4.4.10.0050.0204.85
4.4.00.0060.0254.76
4.3.110.0050.0144.67
4.3.100.0030.0164.67
4.3.90.0010.0174.63
4.3.80.0060.0214.58
4.3.70.0040.0134.63
4.3.60.0040.0144.63
4.3.50.0030.0164.63
4.3.40.0020.0244.54
4.3.30.0040.0133.30
4.3.20.0030.0153.27
4.3.10.0000.0183.24
4.3.00.0030.0237.24

preferences:
29.11 ms | 401 KiB | 5 Q