3v4l.org

run code in 300+ PHP versions simultaneously
<?php function display($a, $b) { echo $a; echo ' '; echo $b; } $i = 0; ${"sR{$i}S1"} = "hello"; ${"nR{$i}S1P"} = "world"; display(${"sR{$i}S1"}, ${"nR{$i}S1P"});

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)
8.3.40.0110.00418.84
8.3.30.0030.01019.07
8.3.20.0080.00020.16
8.3.10.0000.00821.94
8.3.00.0040.00419.02
8.2.170.0100.00322.96
8.2.160.0130.00020.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0000.01022.19
8.2.110.0060.00321.06
8.2.100.0080.00417.78
8.2.90.0040.00417.84
8.2.80.0000.00819.16
8.2.70.0030.00617.93
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0040.00422.36
8.2.30.0050.00220.56
8.2.20.0070.00017.82
8.2.10.0000.00817.94
8.2.00.0090.00017.68
8.1.270.0050.00318.95
8.1.260.0030.00526.35
8.1.250.0110.00428.09
8.1.240.0000.00822.07
8.1.230.0070.00420.91
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00917.35
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0030.00518.71
8.1.160.0040.00418.80
8.1.150.0080.00018.83
8.1.140.0040.00417.45
8.1.130.0070.00017.74
8.1.120.0030.00317.45
8.1.110.0040.00417.39
8.1.100.0050.00217.31
8.1.90.0040.00417.49
8.1.80.0030.00517.34
8.1.70.0030.00317.34
8.1.60.0080.00017.49
8.1.50.0000.00817.42
8.1.40.0000.00717.55
8.1.30.0030.00517.51
8.1.20.0000.00817.53
8.1.10.0040.00417.50
8.1.00.0000.00717.44
8.0.300.0000.00720.05
8.0.290.0070.00016.63
8.0.280.0080.00018.38
8.0.270.0000.00717.30
8.0.260.0030.00317.16
8.0.250.0000.01116.69
8.0.240.0000.00716.84
8.0.230.0030.00616.82
8.0.220.0000.00716.91
8.0.210.0000.00616.90
8.0.200.0000.00616.84
8.0.190.0070.00016.93
8.0.180.0000.00716.79
8.0.170.0090.00316.90
8.0.160.0020.00516.78
8.0.150.0070.00016.90
8.0.140.0000.00716.80
8.0.130.0030.00313.31
8.0.120.0040.00416.70
8.0.110.0000.00716.80
8.0.100.0070.00016.91
8.0.90.0000.00816.93
8.0.80.0090.00616.88
8.0.70.0080.00016.75
8.0.60.0000.00716.84
8.0.50.0050.00216.75
8.0.30.0110.01117.08
8.0.20.0160.00617.40
8.0.10.0040.00416.96
8.0.00.0120.00616.72
7.4.330.0000.00415.03
7.4.320.0030.00316.64
7.4.300.0040.00416.50
7.4.290.0070.00016.53
7.4.280.0050.00616.56
7.4.270.0040.00416.55
7.4.260.0030.00316.63
7.4.250.0000.00716.57
7.4.240.0050.00216.62
7.4.230.0000.00816.25
7.4.220.0060.01316.55
7.4.210.0090.00816.55
7.4.200.0080.00016.50
7.4.160.0100.00616.54
7.4.150.0070.01417.40
7.4.140.0060.01517.86
7.4.130.0130.00316.59
7.4.120.0110.00516.47
7.4.110.0090.00916.42
7.4.100.0030.01316.44
7.4.90.0000.01616.56
7.4.80.0070.01019.39
7.4.70.0070.01116.63
7.4.60.0030.01316.40
7.4.50.0040.00016.46
7.4.40.0140.00316.51
7.4.30.0090.00816.49
7.4.00.0070.00715.15
7.3.330.0040.00413.15
7.3.320.0030.00313.19
7.3.310.0000.00716.21
7.3.300.0070.00016.25
7.3.290.0000.00716.34
7.3.280.0100.00516.35
7.3.270.0090.00917.40
7.3.260.0120.00416.41
7.3.250.0110.00716.43
7.3.240.0130.00316.31
7.3.230.0030.01616.64
7.3.210.0150.00916.45
7.3.200.0170.00719.39
7.3.190.0120.00316.34
7.3.180.0060.00916.70
7.3.170.0170.00316.48
7.3.160.0060.00916.65
7.2.330.0060.01216.41
7.2.320.0120.00916.69
7.2.310.0060.01016.29
7.2.300.0030.01316.63
7.2.290.0090.01016.73
7.2.00.0060.00619.38
7.1.100.0070.00717.84
7.1.70.0050.00217.16
7.1.60.0110.01419.57
7.1.50.0160.00334.63
7.1.00.0030.07322.45
7.0.200.0050.00316.47
7.0.140.0030.03022.07
7.0.60.0100.06319.90
7.0.50.0070.06717.86
7.0.40.0030.04320.27
7.0.30.0270.05720.23
7.0.20.0270.04320.25
7.0.10.0070.05320.22
7.0.00.0100.05320.08
5.6.280.0000.07321.11
5.6.210.0070.06320.47
5.6.200.0170.07718.20
5.6.190.0170.04320.33
5.6.180.0400.07320.54
5.6.170.0330.05720.71
5.6.160.0030.04320.43
5.6.150.0070.08018.16
5.6.140.0030.07318.18
5.6.130.0030.08018.14
5.6.120.0070.04020.99
5.6.110.0000.07721.12
5.6.100.0200.07021.02
5.6.90.0000.09021.08
5.6.80.0000.04020.53
5.5.350.0230.08720.47
5.5.340.0070.07717.98
5.5.330.0070.04320.41
5.5.320.0330.07720.24
5.5.310.0300.07720.33
5.5.300.0170.05718.02
5.5.290.0100.07717.95
5.5.280.0030.07720.88
5.5.270.0030.04320.75
5.5.260.0030.08020.86
5.5.250.0100.08320.70
5.5.240.0070.03320.18
5.4.450.0670.05319.59
5.4.440.0170.05019.69
5.4.430.0930.06719.30
5.4.420.0700.06019.47
5.4.410.0700.06319.06
5.4.400.0470.05719.00
5.4.390.0930.04719.36
5.4.380.0330.05718.61
5.4.370.0330.04718.46
5.4.360.0430.06718.50
5.4.350.0330.05318.74
5.4.340.0370.04318.79
5.4.320.0200.08718.56
5.4.310.0470.06318.50
5.4.300.0270.06718.60
5.4.290.0330.05318.64
5.4.280.0330.05318.77
5.4.270.0130.07018.75
5.4.260.0300.05018.75
5.4.250.0370.06318.56
5.4.240.0200.06018.46
5.4.230.0300.05718.79
5.4.220.0430.04018.71
5.4.210.0270.05718.55
5.4.200.0300.04716.79
5.4.190.0230.05318.82
5.4.180.0300.04718.51
5.4.170.0270.05318.48
5.4.160.0130.06318.61
5.4.150.0230.05318.87
5.4.140.0200.05316.31
5.4.130.0330.03716.43
5.4.120.0200.05716.28
5.4.110.0300.04016.24
5.4.100.0200.05316.27
5.4.90.0170.06016.26
5.4.80.0270.04316.23
5.4.70.0170.06016.21
5.4.60.0200.05316.30
5.4.50.0200.05016.21
5.4.40.0200.05716.16
5.4.30.0230.05316.15
5.4.20.0230.05016.22
5.4.10.0300.04716.28
5.4.00.0200.06015.68
5.3.290.0270.06014.69
5.3.280.0330.04314.63
5.3.270.0270.05714.62
5.3.260.0270.05314.63
5.3.250.0170.05714.64
5.3.240.0370.04314.81
5.3.230.0230.05014.58
5.3.220.0230.05714.60
5.3.210.0230.06014.69
5.3.200.0200.05314.57
5.3.190.0230.05314.59
5.3.180.0200.05314.62
5.3.170.0230.05014.78
5.3.160.0330.04714.55
5.3.150.0270.05014.60
5.3.140.0270.04714.57
5.3.130.0270.05714.56
5.3.120.0330.04314.60
5.3.110.0270.05014.64
5.3.100.0330.05014.04
5.3.90.0230.06014.07
5.3.80.0270.05314.01
5.3.70.0270.04714.11
5.3.60.0230.05314.12
5.3.50.0330.04314.17
5.3.40.0330.04314.11
5.3.30.0230.04713.95
5.3.20.0200.05713.84
5.3.10.0330.03713.88
5.3.00.0270.05313.76
5.2.170.0200.04711.17
5.2.160.0200.04011.16
5.2.150.0230.04011.13
5.2.140.0130.05011.19
5.2.130.0200.04011.23
5.2.120.0230.04011.21
5.2.110.0230.04011.20
5.2.100.0200.04011.21
5.2.90.0170.04311.14
5.2.80.0200.04711.22
5.2.70.0200.04011.16
5.2.60.0230.03711.27
5.2.50.0130.05311.04
5.2.40.0230.03711.03
5.2.30.0230.03311.07
5.2.20.0130.04711.03
5.2.10.0200.03710.89
5.2.00.0130.04310.78
5.1.60.0200.04010.02
5.1.50.0230.0409.99
5.1.40.0100.03710.11
5.1.30.0100.03710.43
5.1.20.0170.03310.48
5.1.10.0070.04010.27
5.1.00.0130.03310.20
5.0.50.0070.0308.75
5.0.40.0130.0238.54
5.0.30.0030.0478.29
5.0.20.0100.0338.38
5.0.10.0000.0378.30
5.0.00.0070.0438.36
4.4.90.0100.0175.91
4.4.80.0100.0175.89
4.4.70.0030.0335.93
4.4.60.0100.0305.91
4.4.50.0070.0305.87
4.4.40.0100.0435.88
4.4.30.0130.0235.92
4.4.20.0030.0335.97
4.4.10.0100.0275.93
4.4.00.0100.0335.91
4.3.110.0070.0235.82
4.3.100.0030.0235.85
4.3.90.0030.0275.83
4.3.80.0030.0375.83
4.3.70.0070.0235.83
4.3.60.0070.0205.89
4.3.50.0100.0235.80
4.3.40.0170.0335.88
4.3.30.0000.0275.80
4.3.20.0030.0235.80
4.3.10.0070.0205.80
4.3.00.0070.0238.53

preferences:
45.58 ms | 400 KiB | 5 Q