3v4l.org

run code in 300+ PHP versions simultaneously
<?php function factorial(&$number) { return $number*2; } $a=5; print factorial($a); echo $a; ?>

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)
8.3.40.0140.00718.84
8.3.30.0100.00318.84
8.3.20.0080.00020.21
8.3.10.0080.00020.52
8.3.00.0040.00417.38
8.2.170.0090.00622.96
8.2.160.0030.01020.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00322.01
8.2.110.0100.00720.52
8.2.100.0060.00618.16
8.2.90.0050.00319.17
8.2.80.0040.00417.97
8.2.70.0030.00517.75
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00718.19
8.2.30.0070.00019.11
8.2.20.0040.00417.67
8.2.10.0040.00417.93
8.2.00.0040.00417.66
8.1.270.0040.00423.79
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.87
8.1.230.0060.00619.11
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0030.00617.10
8.1.180.0030.00618.10
8.1.170.0080.00018.51
8.1.160.0070.00021.97
8.1.150.0040.00418.81
8.1.140.0030.00717.40
8.1.130.0070.00017.69
8.1.120.0050.00217.42
8.1.110.0040.00417.29
8.1.100.0000.00717.42
8.1.90.0000.00717.41
8.1.80.0050.00217.35
8.1.70.0070.00017.39
8.1.60.0000.00817.46
8.1.50.0050.00317.54
8.1.40.0050.00317.54
8.1.30.0000.00917.63
8.1.20.0030.00517.53
8.1.10.0000.00717.43
8.1.00.0000.00817.33
8.0.300.0070.00018.77
8.0.290.0030.00516.63
8.0.280.0000.00718.38
8.0.270.0050.00217.25
8.0.260.0030.00317.26
8.0.250.0030.00316.87
8.0.240.0080.00016.83
8.0.230.0040.00416.91
8.0.220.0000.00716.82
8.0.210.0050.00316.77
8.0.200.0060.00016.80
8.0.190.0070.00016.79
8.0.180.0080.00016.80
8.0.170.0020.00516.89
8.0.160.0030.00316.84
8.0.150.0000.00816.76
8.0.140.0040.00716.75
8.0.130.0040.00413.34
8.0.120.0050.00316.80
8.0.110.0000.00716.76
8.0.100.0000.00816.83
8.0.90.0000.00716.89
8.0.80.0070.01116.70
8.0.70.0040.00416.71
8.0.60.0040.00416.69
8.0.50.0000.00716.82
8.0.30.0160.00617.06
8.0.20.0080.01217.40
8.0.10.0040.00416.82
8.0.00.0090.00716.50
7.4.330.0000.00515.00
7.4.320.0030.00316.36
7.4.300.0030.00316.41
7.4.290.0040.00416.59
7.4.280.0090.00916.62
7.4.270.0040.00416.52
7.4.260.0000.00716.48
7.4.250.0080.00016.51
7.4.240.0020.00516.56
7.4.230.0070.00016.53
7.4.220.0100.01016.51
7.4.210.0060.00916.62
7.4.200.0080.00016.39
7.4.160.0070.01016.67
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0140.00416.69
7.4.120.0120.00516.45
7.4.110.0090.00616.43
7.4.100.0170.00316.43
7.4.90.0120.00616.30
7.4.80.0080.01518.80
7.4.70.0060.01116.39
7.4.60.0070.01016.46
7.4.50.0030.00616.38
7.4.40.0110.00616.38
7.4.30.0060.00916.62
7.4.00.0090.00614.80
7.3.330.0060.00013.31
7.3.320.0070.00013.25
7.3.310.0030.00316.16
7.3.300.0030.00316.30
7.3.290.0150.00616.32
7.3.280.0070.01216.25
7.3.270.0130.01017.40
7.3.260.0200.00816.39
7.3.250.0150.00216.58
7.3.240.0190.00516.36
7.3.230.0090.00916.46
7.3.210.0090.00916.33
7.3.200.0090.01419.39
7.3.190.0060.01316.61
7.3.180.0100.00716.54
7.3.170.0030.01216.32
7.3.160.0190.00316.48
7.3.10.0150.00615.94
7.3.00.0200.00416.00
7.2.330.0090.00916.43
7.2.320.0120.00616.36
7.2.310.0060.01016.46
7.2.300.0120.00416.62
7.2.290.0050.01116.72
7.2.130.0100.01016.14
7.2.120.0110.00515.91
7.2.110.0170.00516.51
7.2.100.0160.00516.27
7.2.90.0150.00616.56
7.2.80.0100.01116.60
7.2.70.0160.00916.54
7.2.60.0150.00616.78
7.2.50.0200.00616.86
7.2.40.0160.00616.64
7.2.30.0130.00816.91
7.2.20.0130.01116.90
7.2.10.0090.01316.82
7.2.00.0190.00916.77
7.1.250.0070.01115.05
7.1.230.0150.00315.79
7.1.220.0170.00315.86
7.1.210.0240.00315.70
7.1.200.0140.00415.70
7.1.190.0250.00615.81
7.1.180.0140.00515.72
7.1.170.0170.00615.82
7.1.160.0140.00515.50
7.1.150.0200.00715.44
7.1.140.0170.00315.75
7.1.130.0160.00615.79
7.1.120.0150.00715.66
7.1.110.0320.00015.64
7.1.100.0210.00715.63
7.1.90.0240.00715.86
7.1.80.0160.00815.53
7.1.70.0110.00516.45
7.1.60.0120.01217.66
7.1.50.0150.01116.35
7.1.40.0190.00815.44
7.1.30.0220.00615.68
7.1.20.0110.01115.82
7.1.10.0160.00815.71
7.1.00.0070.04119.05
7.0.310.0180.00715.19
7.0.300.0080.00815.21
7.0.290.0160.00415.18
7.0.280.0100.00615.23
7.0.270.0240.00615.45
7.0.260.0100.00315.36
7.0.250.0070.01115.45
7.0.240.0160.00415.41
7.0.230.0150.00315.10
7.0.220.0170.00315.38
7.0.210.0210.00015.10
7.0.200.0110.00516.15
7.0.190.0190.00315.07
7.0.180.0250.00115.05
7.0.170.0120.00615.30
7.0.160.0220.00515.35
7.0.150.0140.00715.35
7.0.140.0090.04018.77
7.0.130.0140.00515.48
7.0.120.0200.00615.33
7.0.110.0180.00315.45
7.0.100.0160.03617.44
7.0.90.0180.02217.57
7.0.80.0080.04017.63
7.0.70.0210.03317.60
7.0.60.0110.02217.54
7.0.50.0170.02517.82
7.0.40.0080.04216.68
7.0.30.0130.04016.71
7.0.20.0100.04116.78
7.0.10.0070.04416.70
7.0.00.0120.03716.67
5.6.380.0060.01214.36
5.6.370.0110.00614.17
5.6.360.0150.00014.21
5.6.350.0120.00814.08
5.6.340.0080.01214.28
5.6.330.0110.00314.24
5.6.320.0060.01114.33
5.6.310.0130.00714.36
5.6.300.0070.00714.26
5.6.290.0110.00714.28
5.6.280.0080.04117.85
5.6.270.0200.00314.16
5.6.260.0070.01013.98
5.6.250.0130.03017.39
5.6.240.0110.04417.55
5.6.230.0050.04817.38
5.6.220.0100.02717.44
5.6.210.0110.03917.54
5.6.200.0170.03117.65
5.6.190.0110.03217.73
5.6.180.0100.04017.62
5.6.170.0150.03917.85
5.6.160.0120.04017.60
5.6.150.0090.02817.73
5.6.140.0120.03817.66
5.6.130.0130.03717.69
5.6.120.0100.04117.44
5.6.110.0100.02517.76
5.6.100.0100.03717.68
5.6.90.0070.04517.63
5.6.80.0080.02817.25
5.6.70.0050.02517.38
5.6.60.0050.02317.45
5.6.50.0090.04017.40
5.6.40.0100.04217.28
5.6.30.0090.04117.34
5.6.20.0100.04317.38
5.6.10.0080.02217.34
5.6.00.0050.02217.14
5.5.380.0070.04516.58
5.5.370.0110.02816.60
5.5.360.0090.02016.61
5.5.350.0110.03816.56
5.5.340.0050.04616.82
5.5.330.0040.02716.81
5.5.320.0120.02216.78
5.5.310.0050.04216.81
5.5.300.0050.02916.83
5.5.290.0110.04416.85
5.5.280.0030.02516.84
5.5.270.0100.02316.82
5.5.260.0090.04116.83
5.5.250.0100.03916.74
5.5.240.0100.01716.53
5.5.230.0110.03316.53
5.5.220.0060.03516.54
5.5.210.0070.03816.54
5.5.200.0050.03616.43
5.5.190.0110.03916.49
5.5.180.0040.03216.53
5.5.170.0120.00414.18
5.5.160.0020.04216.51
5.5.150.0090.03716.52
5.5.140.0030.02816.39
5.5.130.0120.03316.46
5.5.120.0070.02216.48
5.5.110.0080.02816.46
5.5.100.0070.03916.42
5.5.90.0080.02316.45
5.5.80.0050.04216.42
5.5.70.0030.03716.37
5.5.60.0040.02616.47
5.5.50.0070.02416.43
5.5.40.0050.03616.47
5.5.30.0090.03216.47
5.5.20.0070.03716.42
5.5.10.0000.05016.45
5.5.00.0110.02616.45
5.4.450.0060.02816.08
5.4.440.0030.03016.17
5.4.430.0080.03816.01
5.4.420.0100.02316.12
5.4.410.0160.03316.05
5.4.400.0110.03416.01
5.4.390.0060.04015.96
5.4.380.0080.03315.92
5.4.370.0070.01915.92
5.4.360.0050.02315.87
5.4.350.0090.03515.97
5.4.340.0140.03116.01
5.4.330.0080.00512.79
5.4.320.0100.03715.96
5.4.310.0060.03115.83
5.4.300.0040.02415.84
5.4.290.0090.03915.84
5.4.280.0090.03215.90
5.4.270.0070.03215.92
5.4.260.0080.02015.91
5.4.250.0080.02515.91
5.4.240.0080.03815.91
5.4.230.0030.04315.89
5.4.220.0080.02415.84
5.4.210.0080.03815.90
5.4.200.0050.03315.91
5.4.190.0080.03815.98
5.4.180.0070.04115.91
5.4.170.0140.03315.91
5.4.160.0040.03915.90
5.4.150.0120.03515.99
5.4.140.0090.03914.60
5.4.130.0080.03914.59
5.4.120.0050.02614.62
5.4.110.0080.04014.54
5.4.100.0060.02614.63
5.4.90.0060.03614.59
5.4.80.0070.03814.52
5.4.70.0060.04014.62
5.4.60.0100.03714.62
5.4.50.0110.03514.59
5.4.40.0110.03014.58
5.4.30.0040.02514.55
5.4.20.0100.02814.55
5.4.10.0090.03814.63
5.4.00.0100.02614.33
5.3.290.0060.03813.71
5.3.280.0020.02513.67
5.3.270.0110.01613.77
5.3.260.0040.02713.76
5.3.250.0010.03613.66
5.3.240.0080.02213.72
5.3.230.0070.03913.67
5.3.220.0030.02713.71
5.3.210.0090.03613.69
5.3.200.0080.02213.71
5.3.190.0040.03713.69
5.3.180.0040.04113.64
5.3.170.0120.03813.70
5.3.160.0080.03813.73
5.3.150.0090.03413.71
5.3.140.0030.04513.66
5.3.130.0100.03713.70
5.3.120.0070.02513.64
5.3.110.0080.02613.65
5.3.100.0020.02513.40
5.3.90.0050.02113.45
5.3.80.0050.02113.35
5.3.70.0050.02413.43
5.3.60.0070.03813.41
5.3.50.0060.03813.41
5.3.40.0070.03413.32
5.3.30.0070.02213.36
5.3.20.0080.03113.28
5.3.10.0080.02013.28
5.3.00.0040.03013.16
5.2.170.0060.02311.96
5.2.160.0040.03611.93
5.2.150.0040.03611.99
5.2.140.0060.02212.02
5.2.130.0050.03411.88
5.2.120.0020.02411.97
5.2.110.0040.03111.87
5.2.100.0050.03111.89
5.2.90.0050.02811.99
5.2.80.0060.03311.99
5.2.70.0040.02311.97
5.2.60.0050.03011.96
5.2.50.0040.03511.91
5.2.40.0070.02011.96
5.2.30.0050.02411.84
5.2.20.0040.03011.83
5.2.10.0080.01711.78
5.2.00.0070.02811.77
5.1.60.0030.01711.40
5.1.50.0070.02311.39
5.1.40.0040.01511.39
5.1.30.0040.01511.59
5.1.20.0060.03311.62
5.1.10.0020.02011.47
5.1.00.0060.02511.42
5.0.50.0040.02211.39
5.0.40.0050.00811.39
5.0.30.0020.01911.39
5.0.20.0050.01011.39
5.0.10.0030.01311.39
5.0.00.0040.03211.39
4.4.90.0020.01211.39
4.4.80.0020.01911.39
4.4.70.0020.01211.39
4.4.60.0050.01711.39
4.4.50.0060.01211.39
4.4.40.0010.02911.39
4.4.30.0070.01511.39
4.4.20.0020.01411.39
4.4.10.0020.01111.39
4.4.00.0000.01911.39
4.3.110.0030.01311.39
4.3.100.0030.01811.39
4.3.90.0050.01011.39
4.3.80.0000.01911.39
4.3.70.0040.01511.39
4.3.60.0000.01111.39
4.3.50.0030.01511.39
4.3.40.0030.01511.39
4.3.30.0030.01511.39
4.3.20.0030.01611.39
4.3.10.0000.01911.39
4.3.00.0010.02111.39

preferences:
45.55 ms | 400 KiB | 5 Q