3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { $a = 1; $b = &$a; echo (++$a)+ (++$a) + (++$a); } function bar() { $a = 1; echo (++$a)+ (++$a) + (++$a); } foo(); echo '<br/>'; 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)
8.3.60.0040.01418.55
8.3.50.0100.01221.32
8.3.40.0060.01218.77
8.3.30.0070.00718.58
8.3.20.0070.01020.09
8.3.10.0000.00823.48
8.3.00.0030.00619.56
8.2.180.0110.00416.38
8.2.170.0170.00322.96
8.2.160.0040.00920.44
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0100.00017.49
8.2.110.0070.00320.86
8.2.100.0000.01217.78
8.2.90.0040.00417.97
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0000.00820.92
8.2.30.0050.00319.91
8.2.20.0030.00517.60
8.2.10.0020.00518.09
8.2.00.0000.00717.86
8.1.280.0030.01225.92
8.1.270.0060.00320.33
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0050.00522.48
8.1.230.0100.00320.97
8.1.220.0000.00817.79
8.1.210.0060.00318.91
8.1.200.0000.01017.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0060.00318.40
8.1.160.0000.00721.85
8.1.150.0070.00018.82
8.1.140.0030.00617.43
8.1.130.0000.00717.63
8.1.120.0000.00717.37
8.1.110.0040.00417.30
8.1.100.0050.00217.45
8.1.90.0000.00817.26
8.1.80.0070.00417.45
8.1.70.0070.00017.39
8.1.60.0050.00317.49
8.1.50.0030.00617.48
8.1.40.0030.00617.49
8.1.30.0030.00517.55
8.1.20.0080.00017.51
8.1.10.0040.00417.50
8.1.00.0050.00217.38
8.0.300.0070.00019.90
8.0.290.0060.00316.63
8.0.280.0050.00218.48
8.0.270.0030.00317.23
8.0.260.0040.00417.23
8.0.250.0040.00416.86
8.0.240.0030.00316.93
8.0.230.0040.00416.87
8.0.220.0050.00316.82
8.0.210.0000.00716.70
8.0.200.0030.00316.70
8.0.190.0080.00316.79
8.0.180.0040.00416.85
8.0.170.0070.00016.64
8.0.160.0030.00416.89
8.0.150.0040.00416.64
8.0.140.0040.00416.69
8.0.130.0050.00013.28
8.0.120.0040.00416.69
8.0.110.0080.00016.86
8.0.100.0080.00016.75
8.0.90.0000.00716.66
8.0.80.0120.00316.75
8.0.70.0070.00016.69
8.0.60.0070.00016.85
8.0.50.0040.00416.70
8.0.30.0060.01217.23
8.0.20.0110.00817.40
8.0.10.0040.00416.75
8.0.00.0140.00416.56
7.4.330.0050.00015.14
7.4.320.0000.00616.45
7.4.300.0000.00616.48
7.4.290.0030.00316.51
7.4.280.0030.00516.48
7.4.270.0070.00016.54
7.4.260.0040.00216.50
7.4.250.0080.00016.60
7.4.240.0040.00416.60
7.4.230.0030.00316.48
7.4.220.0060.01716.41
7.4.210.0070.01116.49
7.4.200.0070.00016.29
7.4.160.0080.00816.49
7.4.150.0100.00717.40
7.4.140.0110.01117.86
7.4.130.0090.00816.45
7.4.120.0110.00616.51
7.4.110.0130.00416.53
7.4.100.0150.00916.41
7.4.90.0030.01416.45
7.4.80.0090.00919.39
7.4.70.0090.01216.55
7.4.60.0060.01016.54
7.4.50.0000.00916.53
7.4.40.0110.00716.49
7.4.30.0100.01216.39
7.4.00.0140.00414.69
7.3.330.0000.00513.15
7.3.320.0000.00513.23
7.3.310.0000.00716.22
7.3.300.0040.00416.27
7.3.290.0000.00716.14
7.3.280.0090.01016.19
7.3.270.0100.00717.40
7.3.260.0130.00316.24
7.3.250.0080.00916.38
7.3.240.0130.00416.41
7.3.230.0090.00916.39
7.3.210.0060.01216.35
7.3.200.0030.01319.39
7.3.190.0090.00616.32
7.3.180.0160.00016.22
7.3.170.0100.00716.33
7.3.160.0110.00716.41
7.2.330.0070.01016.66
7.2.320.0100.00616.68
7.2.310.0140.00316.75
7.2.300.0130.00316.36
7.2.290.0100.00716.57
7.2.60.0100.00716.77
7.2.00.0000.01519.25
7.1.200.0000.01015.74
7.1.100.0070.01017.92
7.1.70.0040.01217.06
7.1.60.0070.01116.95
7.1.50.0090.00616.90
7.1.40.0150.00416.54
7.1.30.0070.01016.47
7.1.20.0090.00916.71
7.1.10.0070.01716.30
7.1.00.0030.01016.56
7.0.200.0070.00716.75
7.0.190.0120.00016.70
7.0.180.0060.00616.40
7.0.170.0120.00416.30
7.0.160.0060.00616.33
7.0.150.0030.00916.20
7.0.140.0130.00016.43
7.0.130.0080.00816.68
7.0.120.0080.00416.48
7.0.110.0060.00616.35
7.0.100.0090.00616.42
7.0.90.0100.01016.20
7.0.80.0080.00416.32
7.0.70.0120.00016.46
7.0.60.0040.00816.29
7.0.50.0130.00316.45
7.0.40.0040.00415.17
7.0.30.0000.00815.17
7.0.20.0020.00515.17
7.0.10.0050.00215.17
7.0.00.0070.00015.17
5.6.300.0060.03820.83
5.6.290.0030.04420.79
5.6.280.0030.04021.06
5.6.270.0030.04421.04
5.6.260.0060.03820.91
5.6.250.0030.04320.86
5.6.240.0030.04321.05
5.6.230.0100.03820.95
5.6.220.0060.03820.96
5.6.210.0030.04320.84
5.6.200.0070.04320.87
5.6.190.0030.05020.89
5.6.180.0100.03520.78
5.6.170.0030.04220.87
5.6.160.0030.04020.80
5.6.150.0000.05020.93
5.6.140.0030.04121.06
5.6.130.0030.04920.93
5.6.120.0000.04320.98
5.6.110.0070.04320.73
5.6.100.0280.03121.02
5.6.90.0060.04121.02
5.6.80.0000.06420.41
5.6.70.0070.06020.38
5.6.60.0000.05320.40
5.6.50.0030.03820.36
5.6.40.0030.03720.10
5.6.30.0030.04920.22
5.6.20.0070.04420.31
5.6.10.0030.04520.34
5.6.00.0030.04320.26
5.5.380.0000.04117.48
5.5.370.0100.03917.53
5.5.360.0000.04417.60
5.5.350.0030.03917.54
5.5.340.0000.04118.09
5.5.330.0060.04818.13
5.5.320.0060.03918.04
5.5.310.0030.04418.00
5.5.300.0030.04317.86
5.5.290.0060.03618.12
5.5.280.0070.04018.09
5.5.270.0030.04118.02
5.5.260.0170.04717.85
5.5.250.0000.05117.94
5.5.240.0070.05917.55
5.5.230.0030.06617.55
5.5.220.0100.04717.43
5.5.210.0030.03817.47
5.5.200.0030.03717.48
5.5.190.0070.04117.41
5.5.180.0000.04217.41
5.5.160.0070.03617.38
5.5.150.0000.05417.09
5.5.140.0030.03717.18
5.5.130.0030.03917.48
5.5.120.0060.03517.17
5.5.110.0000.03917.44
5.5.100.0030.05716.96
5.5.90.0030.03517.27
5.5.80.0000.03817.28
5.5.70.0030.03817.27
5.5.60.0130.02917.30
5.5.50.0000.05116.95
5.5.40.0000.03917.37
5.5.30.0030.04017.42
5.5.20.0030.04017.27
5.5.10.0030.04217.27
5.5.00.0030.04017.26
5.4.450.0030.04919.50
5.4.440.0160.04219.46
5.4.430.0030.04019.27
5.4.420.0100.04919.39
5.4.410.0000.04819.27
5.4.400.0030.04119.09
5.4.390.0070.03919.08
5.4.380.0070.06518.95
5.4.370.0130.03618.90
5.4.360.0030.03919.07
5.4.350.0070.06318.98
5.4.340.0040.04619.07
5.4.320.0000.04518.89
5.4.310.0000.04319.21
5.4.300.0070.03319.07
5.4.290.0030.03918.95
5.4.280.0000.04419.20
5.4.270.0070.04019.18
5.4.260.0030.03619.08
5.4.250.0030.03519.12
5.4.240.0070.03618.97
5.4.230.0000.04319.16
5.4.220.0030.04618.95
5.4.210.0070.03619.20
5.4.200.0060.03618.95
5.4.190.0000.04419.25
5.4.180.0070.03619.07
5.4.170.0030.03719.12
5.4.160.0000.04118.90
5.4.150.0000.04519.21
5.4.140.0030.03916.73
5.4.130.0030.03616.75
5.4.120.0000.03916.50
5.4.110.0060.03216.76
5.4.100.0130.03616.64
5.4.90.0140.05116.79
5.4.80.0000.03916.77
5.4.70.0000.03716.63
5.4.60.0000.04116.46
5.4.50.0000.04516.68
5.4.40.0030.03716.65
5.4.30.0000.03916.44
5.4.20.0030.03316.68
5.4.10.0040.03916.67
5.4.00.0130.02915.92

preferences:
65.38 ms | 401 KiB | 5 Q