3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x=10; $y=5; function scambia($a,$b){ $tmp = $a; $a = $b; $b = $tmp; } echo 'x vale '.$x; echo "/n"; scambia($x,$y); echo 'adesso x vale '.$x;

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)
8.3.60.0090.00618.43
8.3.50.0130.00817.39
8.3.40.0070.00718.79
8.3.30.0040.01118.72
8.3.20.0070.00718.61
8.3.10.0050.00320.52
8.3.00.0120.00317.46
8.2.180.0070.01416.50
8.2.170.0150.00022.96
8.2.160.0110.01121.89
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.83
8.2.110.0030.00621.03
8.2.100.0070.00418.22
8.2.90.0050.00319.11
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0030.00518.04
8.2.50.0000.00818.10
8.2.40.0050.00319.88
8.2.30.0040.00418.10
8.2.20.0050.00217.65
8.2.10.0000.00817.80
8.2.00.0000.00817.64
8.1.280.0100.00625.92
8.1.270.0090.00024.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00621.20
8.1.230.0070.00420.31
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.34
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0070.00018.96
8.1.160.0050.00218.78
8.1.150.0070.00018.61
8.1.140.0040.00417.38
8.1.130.0020.00517.39
8.1.120.0040.00417.30
8.1.110.0070.00017.42
8.1.100.0000.00817.44
8.1.90.0080.00017.36
8.1.80.0020.00517.42
8.1.70.0000.00717.40
8.1.60.0050.00317.56
8.1.50.0040.00417.49
8.1.40.0040.00417.40
8.1.30.0060.00317.52
8.1.20.0040.00417.66
8.1.10.0060.00317.55
8.1.00.0030.00617.45
8.0.300.0090.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00318.43
8.0.270.0000.00717.24
8.0.260.0000.00616.79
8.0.250.0000.00816.88
8.0.240.0050.00316.82
8.0.230.0040.00416.95
8.0.220.0000.00716.77
8.0.210.0070.00016.92
8.0.200.0030.00316.93
8.0.190.0060.00316.97
8.0.180.0000.00716.92
8.0.170.0000.01116.91
8.0.160.0030.00316.90
8.0.150.0030.00616.80
8.0.140.0060.00316.86
8.0.130.0030.00313.33
8.0.120.0000.00816.84
8.0.110.0000.00816.95
8.0.100.0000.00716.78
8.0.90.0040.00416.78
8.0.80.0150.00016.73
8.0.70.0030.00516.69
8.0.60.0040.00416.88
8.0.50.0000.00716.81
8.0.30.0140.00817.15
8.0.20.0110.01117.13
8.0.10.0070.00016.72
8.0.00.0100.01016.88
7.4.330.0050.00012.94
7.4.320.0030.00316.50
7.4.300.0030.00316.63
7.4.290.0060.00016.41
7.4.280.0030.00716.50
7.4.270.0030.00316.42
7.4.260.0000.00713.25
7.4.250.0030.00616.41
7.4.240.0070.00016.51
7.4.230.0000.00716.34
7.4.220.0150.00616.65
7.4.210.0060.00816.57
7.4.200.0090.00016.39
7.4.190.0020.00516.69
7.4.160.0120.00316.39
7.4.150.0100.00716.52
7.4.140.0100.00717.24
7.4.130.0130.00916.27
7.4.120.0110.00716.34
7.4.110.0120.00916.51
7.4.100.0070.01416.59
7.4.90.0110.00716.29
7.4.80.0100.00716.63
7.4.70.0110.00716.46
7.4.60.0130.00316.58
7.4.50.0040.00416.52
7.4.40.0070.00316.39
7.4.30.0030.01316.71
7.4.00.0030.01214.96
7.3.330.0060.00013.15
7.3.320.0000.00513.36
7.3.310.0040.00416.36
7.3.300.0000.00716.21
7.3.290.0090.00416.40
7.3.280.0100.00616.39
7.3.270.0100.01316.57
7.3.260.0100.01016.72
7.3.250.0120.01116.25
7.3.240.0060.01116.66
7.3.230.0150.00716.60
7.3.210.0070.01016.50
7.3.200.0120.00919.39
7.3.190.0060.01216.36
7.3.180.0120.00916.49
7.3.170.0100.00716.32
7.3.160.0080.00816.39
7.3.120.0050.01014.75
7.3.110.0040.00815.10
7.3.100.0070.00714.70
7.3.90.0070.00714.89
7.3.80.0100.00714.98
7.3.70.0000.00914.58
7.3.60.0030.01414.93
7.3.50.0040.01114.76
7.3.40.0030.01314.76
7.3.30.0100.00714.79
7.3.20.0040.01116.56
7.3.10.0080.00516.92
7.3.00.0030.01216.57
7.2.330.0110.00716.52
7.2.320.0090.01416.43
7.2.310.0110.00716.53
7.2.300.0060.01316.70
7.2.290.0110.00716.66
7.2.250.0070.01415.16
7.2.240.0070.01115.31
7.2.230.0000.01614.71
7.2.220.0040.00815.00
7.2.210.0060.00915.04
7.2.200.0000.01015.01
7.2.190.0120.00315.06
7.2.180.0130.00315.08
7.2.170.0070.00714.94
7.2.130.0130.00316.92
7.2.120.0040.01116.55
7.2.110.0080.00316.71
7.2.100.0070.01016.98
7.2.90.0090.00616.85
7.2.80.0060.00617.04
7.2.70.0050.01116.63
7.2.60.0170.00717.02
7.2.50.0090.00616.83
7.2.40.0120.00316.96
7.2.30.0110.00317.03
7.2.20.0030.01016.90
7.2.10.0040.00816.67
7.2.00.0060.01118.22
7.1.330.0060.01015.67
7.1.320.0030.00915.72
7.1.310.0000.01415.76
7.1.300.0030.01015.81
7.1.290.0030.00915.77
7.1.280.0000.00915.76
7.1.270.0060.01215.57
7.1.260.0070.01115.54
7.1.250.0030.01015.38
7.1.100.0030.01017.98
7.1.70.0050.00316.75
7.1.60.0100.01619.40
7.1.50.0110.00734.44
7.1.00.0000.08341.61
7.0.200.0040.00416.76
7.0.140.0030.07321.97
7.0.120.0070.02722.01
7.0.60.0030.08319.91
7.0.50.0000.05017.78
7.0.40.0100.07720.14
7.0.30.0370.07020.11
7.0.20.0230.05720.13
7.0.10.0130.03720.24
7.0.00.0100.08020.16
5.6.210.0170.07020.57
5.6.200.0070.04018.16
5.6.190.0000.09020.34
5.6.180.0370.08020.58
5.6.170.0070.06720.67
5.6.160.0130.08020.39
5.6.150.0070.04318.12
5.6.140.0000.05318.15
5.6.130.0130.06318.27
5.6.120.0070.08321.02
5.6.110.0100.07021.14
5.6.100.0270.06721.09
5.6.90.0100.08020.98
5.6.80.0070.07020.38
5.6.70.4530.04020.37
5.5.350.0070.08320.41
5.5.340.0030.06317.95
5.5.330.0070.08320.30
5.5.320.0270.08320.30
5.5.310.0270.07320.34
5.5.300.0070.07018.02
5.5.290.0070.08717.92
5.5.280.0000.04720.75
5.5.270.0070.03720.65
5.5.260.0030.09020.86
5.5.250.0070.03720.68
5.5.240.0070.07020.24
5.4.450.0170.07019.41
5.4.440.0130.07719.44
5.4.430.0100.05019.28
5.4.420.0170.06019.18
5.4.410.0100.07319.20
5.4.400.0200.06319.16
5.4.390.0170.06718.89
5.4.380.0030.07719.24
5.4.370.0170.05318.88
5.4.360.0100.06718.98
5.4.350.0000.04319.24
5.4.340.0000.04318.98
5.4.320.0030.06319.26
5.4.310.0100.05719.16
5.4.300.0130.05018.91
5.4.290.0100.08018.85
5.4.280.0030.06719.23
5.4.270.0030.06319.14
5.4.260.0100.06719.11
5.4.250.0100.07719.11
5.4.240.0000.04319.14
5.4.230.0130.04319.14
5.4.220.0130.06018.85
5.4.210.0100.04718.98
5.4.200.0130.04018.86
5.4.190.0000.04319.11
5.4.180.0100.05318.86
5.4.170.0130.05719.19
5.4.160.0000.08019.10
5.4.150.0070.04719.12
5.4.140.0030.06016.34
5.4.130.0030.03716.32
5.4.120.0100.07016.53
5.4.110.0130.07016.49
5.4.100.0070.07316.29
5.4.90.0030.07016.45
5.4.80.0070.06016.44
5.4.70.0030.06316.45
5.4.60.0030.07716.64
5.4.50.0070.03716.39
5.4.40.0100.03316.36
5.4.30.0100.05316.34
5.4.20.0100.06716.36
5.4.10.0000.04716.26
5.4.00.0030.03715.74
5.3.290.0000.04314.66
5.3.280.0100.05014.73
5.3.270.0130.07014.64
5.3.260.0070.06314.66
5.3.250.0030.07314.52
5.3.240.0030.05014.66
5.3.230.0030.07714.75
5.3.220.0100.06014.59
5.3.210.0170.08014.59
5.3.200.0030.05714.62
5.3.190.0100.06714.63
5.3.180.0030.04314.71
5.3.170.0100.07314.55
5.3.160.0100.07714.58
5.3.150.0000.05714.45
5.3.140.0000.04714.56
5.3.130.0030.05314.55
5.3.120.0070.07714.61
5.3.110.0030.08314.56
5.3.100.0070.03314.20
5.3.90.0100.03013.91
5.3.80.0070.03313.90
5.3.70.0030.03313.99
5.3.60.0070.03314.17
5.3.50.0030.04013.94
5.3.40.0030.03314.00
5.3.30.0000.03713.79
5.3.20.0000.03713.60
5.3.10.0070.05713.58
5.3.00.0000.04313.78
5.2.170.0000.03711.14
5.2.160.0030.02711.16
5.2.150.0030.02711.11
5.2.140.0000.03011.18
5.2.130.0100.02710.99
5.2.120.0000.03011.11
5.2.110.0030.02711.07
5.2.100.0000.03010.99
5.2.90.0000.03011.17
5.2.80.0070.02311.14
5.2.70.0000.03011.25
5.2.60.0030.02710.97
5.2.50.0070.02310.91
5.2.40.0000.03011.14
5.2.30.0000.03010.93
5.2.20.0030.02711.04
5.2.10.0070.02710.84
5.2.00.0000.03310.78
5.1.60.0000.03010.04
5.1.50.0100.01710.05
5.1.40.0000.02710.06
5.1.30.0030.02310.38
5.1.20.0030.02310.31
5.1.10.0070.02010.13
5.1.00.0030.0239.99
5.0.50.0000.0208.50
5.0.40.0030.0178.43
5.0.30.0070.0278.24
5.0.20.0000.0208.11
5.0.10.0030.0178.17
5.0.00.0030.0308.23
4.4.90.0030.0137.92
4.4.80.0000.0177.92
4.4.70.0000.0207.92
4.4.60.0000.0177.92
4.4.50.0000.0177.92
4.4.40.0000.0237.92
4.4.30.0030.0107.92
4.4.20.0030.0137.92
4.4.10.0000.0137.92
4.4.00.0000.0237.92
4.3.110.0030.0137.92
4.3.100.0000.0137.92
4.3.90.0000.0177.92
4.3.80.0030.0237.92
4.3.70.0030.0137.92
4.3.60.0000.0137.92
4.3.50.0000.0137.92
4.3.40.0000.0237.92
4.3.30.0000.0137.92
4.3.20.0000.0177.92
4.3.10.0000.0177.92
4.3.00.0000.0137.92

preferences:
52.99 ms | 401 KiB | 5 Q