3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=3; test($a); echo $a; function test(&$var) { $var=9; }

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)
8.3.70.0140.00718.14
8.3.60.0110.00416.74
8.3.50.0130.00816.36
8.3.40.0110.00418.60
8.3.30.0040.01118.49
8.3.20.0090.00018.52
8.3.10.0040.00420.32
8.3.00.0050.00319.38
8.2.180.0070.01018.18
8.2.170.0090.00622.96
8.2.160.0040.01218.96
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0070.00026.16
8.2.120.0080.00021.12
8.2.110.0090.00020.88
8.2.100.0040.00717.84
8.2.90.0000.00719.05
8.2.80.0040.00419.26
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0090.00318.16
8.2.30.0040.00418.00
8.2.20.0000.01117.48
8.2.10.0040.00417.63
8.2.00.0080.00017.60
8.1.280.0140.00025.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00823.70
8.1.230.0060.00622.68
8.1.220.0030.00618.77
8.1.210.0040.00419.09
8.1.200.0000.00917.25
8.1.190.0000.00717.38
8.1.180.0040.00418.10
8.1.170.0000.00718.82
8.1.160.0020.00518.86
8.1.150.0030.00518.56
8.1.140.0000.00717.38
8.1.130.0030.00517.77
8.1.120.0000.00717.36
8.1.110.0090.00017.27
8.1.100.0030.00317.41
8.1.90.0070.00017.31
8.1.80.0050.00317.41
8.1.70.0050.00317.34
8.1.60.0000.00817.58
8.1.50.0050.00217.48
8.1.40.0040.00417.34
8.1.30.0060.00317.59
8.1.20.0050.00317.54
8.1.10.0030.00517.36
8.1.00.0000.00817.32
8.0.300.0030.00519.99
8.0.290.0030.00616.75
8.0.280.0080.00018.35
8.0.270.0000.00817.16
8.0.260.0000.00616.87
8.0.250.0000.00816.86
8.0.240.0030.00716.94
8.0.230.0030.00316.88
8.0.220.0000.00716.81
8.0.210.0040.00416.81
8.0.200.0030.00316.75
8.0.190.0000.00716.89
8.0.180.0000.00716.92
8.0.170.0050.00316.76
8.0.160.0000.00716.70
8.0.150.0030.00616.71
8.0.140.0030.00616.67
8.0.130.0060.00013.29
8.0.120.0060.00316.77
8.0.110.0070.00016.68
8.0.100.0040.00416.70
8.0.90.0000.00816.72
8.0.80.0000.01716.76
8.0.70.0070.00016.69
8.0.60.0040.00416.62
8.0.50.0030.00316.79
8.0.30.0150.00417.12
8.0.20.0070.01117.12
8.0.10.0070.00016.92
8.0.00.0090.01016.61
7.4.330.0000.00512.99
7.4.320.0030.00316.34
7.4.300.0060.00016.44
7.4.290.0000.00716.50
7.4.280.0000.00816.50
7.4.270.0000.00716.64
7.4.260.0000.00513.20
7.4.250.0000.00816.41
7.4.240.0030.00316.40
7.4.230.0030.00316.46
7.4.220.0100.01316.54
7.4.210.0090.00616.60
7.4.200.0070.00016.29
7.4.190.0050.00216.57
7.4.160.0090.00916.70
7.4.150.0060.01216.58
7.4.140.0130.00316.50
7.4.130.0070.01016.45
7.4.120.0080.00816.43
7.4.110.0100.01016.48
7.4.100.0100.00716.36
7.4.90.0070.01116.40
7.4.80.0090.00919.39
7.4.70.0100.01016.40
7.4.60.0120.00316.53
7.4.50.0000.00916.55
7.4.40.0070.00716.18
7.4.30.0120.00316.68
7.4.00.0000.01815.04
7.3.330.0060.00013.24
7.3.320.0050.00313.14
7.3.310.0050.00216.30
7.3.300.0000.00716.28
7.3.290.0060.00816.27
7.3.280.0060.00916.26
7.3.270.0130.01016.33
7.3.260.0070.01016.21
7.3.250.0110.00916.23
7.3.240.0110.01116.36
7.3.230.0070.01016.54
7.3.210.0060.01116.58
7.3.200.0120.00316.23
7.3.190.0090.00616.51
7.3.180.0090.00616.23
7.3.170.0060.00916.42
7.3.160.0160.00316.65
7.3.120.0100.00714.80
7.2.330.0070.01116.56
7.2.320.0060.01516.67
7.2.310.0090.00916.69
7.2.300.0000.01516.31
7.2.290.0100.00616.71
7.2.00.0030.00919.12
7.1.200.0060.00915.55
7.1.70.0000.01117.15
7.1.60.0060.01919.30
7.1.50.0070.01316.61
7.1.00.0030.03322.52
7.0.200.0030.00316.71
7.0.140.0030.07322.18
7.0.120.0070.07022.16
7.0.60.0200.07319.93
7.0.50.0030.08017.83
7.0.40.0170.07020.14
7.0.30.0330.06720.24
7.0.20.0400.05020.25
7.0.10.0300.06020.13
7.0.00.0130.07720.22
5.6.280.0070.07021.14
5.6.210.0100.07720.45
5.6.200.0030.06718.18
5.6.190.0070.04720.45
5.6.180.0070.08320.46
5.6.170.0300.05020.47
5.6.160.0000.05020.55
5.6.150.0030.07718.17
5.6.140.0130.06018.11
5.6.130.0070.06718.15
5.6.120.0000.06320.98
5.6.110.0100.08320.90
5.6.100.0030.05320.99
5.6.90.0070.03720.89
5.6.80.0030.07020.44
5.6.70.0200.05720.37
5.5.350.0200.06320.36
5.5.340.0100.07017.99
5.5.330.0030.07020.43
5.5.320.0070.06320.35
5.5.310.0270.08020.41
5.5.300.0000.04018.08
5.5.290.0070.08017.95
5.5.280.0070.03720.87
5.5.270.0170.07720.64
5.5.260.0130.08720.87
5.5.250.0070.04020.80
5.5.240.0170.05720.16
5.4.450.0030.05319.45
5.4.440.0100.06319.44
5.4.430.0000.04319.47
5.4.420.0100.04719.31
5.4.410.0130.06019.44
5.4.400.0000.04318.86
5.4.390.0100.07318.95
5.4.380.0030.05019.15
5.4.370.0000.05319.20
5.4.360.0070.06319.08
5.4.350.0030.08018.87
5.4.340.0130.05019.12
5.4.320.0100.08018.88
5.4.310.0030.04018.85
5.4.300.0130.03019.23
5.4.290.0000.06318.92
5.4.280.0070.04018.97
5.4.270.0070.04719.20
5.4.260.0130.03718.85
5.4.250.0130.07319.14
5.4.240.0000.05719.25
5.4.230.0130.06718.95
5.4.220.0170.06019.07
5.4.210.0100.07319.23
5.4.200.0130.07018.86
5.4.190.0030.06019.14
5.4.180.0070.06319.14
5.4.170.0130.03019.23
5.4.160.0070.03719.15
5.4.150.0070.04719.12
5.4.140.0070.03316.55
5.4.130.0030.04016.26
5.4.120.0100.07316.46
5.4.110.0000.04016.39
5.4.100.0100.03716.34
5.4.90.0130.05316.47
5.4.80.0030.03716.38
5.4.70.0030.08316.41
5.4.60.0000.06016.56
5.4.50.0070.06016.44
5.4.40.0070.06716.27
5.4.30.0070.07016.44
5.4.20.0070.07316.40
5.4.10.0000.04716.52
5.4.00.0030.06015.80
5.3.290.0000.05714.80
5.3.280.0030.04314.58
5.3.270.0170.04714.60
5.3.260.0070.04714.59
5.3.250.0000.09714.52
5.3.240.0100.03314.64
5.3.230.0100.07014.62
5.3.220.0000.05014.45
5.3.210.0030.05014.58
5.3.200.0070.06014.56
5.3.190.0000.07314.60
5.3.180.0070.07714.71
5.3.170.0030.06314.57
5.3.160.0030.07314.61
5.3.150.0070.08314.61
5.3.140.0070.07714.56
5.3.130.0170.06714.55
5.3.120.0070.06014.59
5.3.110.0030.08014.60
5.3.100.0070.06714.07
5.3.90.0030.07714.18
5.3.80.0070.07314.04
5.3.70.0070.06713.98
5.3.60.0130.06314.01
5.3.50.0070.07013.86
5.3.40.0100.06713.98
5.3.30.0070.06313.85
5.3.20.0070.05313.74
5.3.10.0130.05313.54
5.3.00.0070.07013.65
5.2.170.0070.03311.30
5.2.160.0000.03311.19
5.2.150.0000.06311.23
5.2.140.0030.04011.13
5.2.130.0100.06011.13
5.2.120.0030.07011.11
5.2.110.0030.04311.09
5.2.100.0070.06011.15
5.2.90.0100.04711.05
5.2.80.0070.06311.05
5.2.70.0070.05711.09
5.2.60.0030.03311.20
5.2.50.0000.04311.04
5.2.40.0030.04711.14
5.2.30.0130.03710.93
5.2.20.0000.05310.97
5.2.10.0130.05011.00
5.2.00.0030.04010.71
5.1.60.0030.0439.95
5.1.50.0000.0439.99
5.1.40.0030.05310.02
5.1.30.0070.03010.33
5.1.20.0000.03310.34
5.1.10.0100.05310.11
5.1.00.0070.04710.04
5.0.50.0030.0378.59
5.0.40.0070.0408.57
5.0.30.0070.0378.57
5.0.20.0030.0278.57
5.0.10.0000.0408.57
5.0.00.0030.0378.57
4.4.90.0000.0378.57
4.4.80.0030.0278.57
4.4.70.0000.0208.57
4.4.60.0000.0178.57
4.4.50.0030.0338.57
4.4.40.0000.0308.57
4.4.30.0000.0378.57
4.4.20.0000.0408.57
4.4.10.0070.0338.57
4.4.00.0030.0338.57
4.3.110.0030.0208.57
4.3.100.0030.0178.57
4.3.90.0000.0378.57
4.3.80.0000.0308.57
4.3.70.0070.0338.57
4.3.60.0030.0278.57
4.3.50.0000.0308.57
4.3.40.0000.0578.57
4.3.30.0000.0238.57
4.3.20.0030.0338.57
4.3.10.0070.0308.57
4.3.00.0030.0178.57

preferences:
40.92 ms | 401 KiB | 5 Q