3v4l.org

run code in 300+ PHP versions simultaneously
<?php function byVal($arg) { echo 'As passed : ', var_export(func_get_args()), PHP_EOL; $arg = 'baz'; echo 'After change : ', var_export(func_get_args()), PHP_EOL; } function byRef(&$arg) { echo 'As passed : ', var_export(func_get_args()), PHP_EOL; $arg = 'baz'; echo 'After change : ', var_export(func_get_args()), PHP_EOL; } $arg = 'bar'; byVal($arg); byRef($arg); ?>

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)
8.3.60.0070.01416.63
8.3.50.0160.00621.13
8.3.40.0040.01118.55
8.3.30.0150.00318.72
8.3.20.0040.00420.38
8.3.10.0080.00021.69
8.3.00.0040.00423.65
8.2.180.0040.01118.26
8.2.170.0090.00918.78
8.2.160.0130.00322.96
8.2.150.0070.00025.66
8.2.140.0030.00524.66
8.2.130.0080.00019.64
8.2.120.0040.00426.35
8.2.110.0090.00020.52
8.2.100.0070.00317.78
8.2.90.0000.00819.11
8.2.80.0000.00818.04
8.2.70.0030.00617.50
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00420.48
8.2.30.0040.00419.45
8.2.20.0040.00417.74
8.2.10.0040.00418.11
8.2.00.0040.00418.04
8.1.280.0140.00725.92
8.1.270.0000.00923.79
8.1.260.0040.00728.09
8.1.250.0000.00828.09
8.1.240.0070.00323.70
8.1.230.0040.00720.84
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0030.00518.54
8.1.160.0040.00420.63
8.1.150.0040.00418.77
8.1.140.0030.00519.59
8.1.130.0030.00317.71
8.1.120.0030.00317.54
8.1.110.0070.00017.35
8.1.100.0000.00817.46
8.1.90.0070.00017.49
8.1.80.0070.00017.37
8.1.70.0000.00817.34
8.1.60.0040.00417.59
8.1.50.0050.00317.49
8.1.40.0040.00417.51
8.1.30.0000.00817.60
8.1.20.0000.00817.67
8.1.10.0000.00817.51
8.1.00.0040.00417.36
8.0.300.0000.00818.77
8.0.290.0000.00716.58
8.0.280.0000.00818.41
8.0.270.0040.00417.25
8.0.260.0040.00417.25
8.0.250.0000.00716.94
8.0.240.0030.00316.85
8.0.230.0060.00016.95
8.0.220.0040.00416.90
8.0.210.0050.00316.89
8.0.200.0050.00316.84
8.0.190.0060.00316.95
8.0.180.0040.00716.90
8.0.170.0040.00416.97
8.0.160.0040.00417.02
8.0.150.0000.00916.92
8.0.140.0030.00316.77
8.0.130.0030.00313.37
8.0.120.0030.00616.78
8.0.110.0070.00016.81
8.0.100.0000.00716.93
8.0.90.0050.00316.69
8.0.80.0120.00316.89
8.0.70.0000.00716.96
8.0.60.0040.00416.94
8.0.50.0040.00416.91
8.0.30.0070.01117.20
8.0.20.0090.01117.40
8.0.10.0030.01617.04
8.0.00.0100.00916.96
7.4.330.0050.00016.70
7.4.320.0000.00616.56
7.4.300.0060.00316.49
7.4.290.0000.00716.46
7.4.280.0030.00616.64
7.4.270.0000.00716.43
7.4.260.0040.00416.50
7.4.250.0040.00416.59
7.4.240.0040.00316.47
7.4.230.0000.00716.59
7.4.220.0030.01316.54
7.4.210.0100.00516.52
7.4.200.0030.00316.69
7.4.160.0040.01116.29
7.4.150.0030.01417.40
7.4.140.0100.00817.43
7.4.130.0100.00716.56
7.4.120.0120.00516.49
7.4.110.0090.00916.53
7.4.100.0180.00516.41
7.4.90.0120.00616.41
7.4.80.0080.01117.84
7.4.70.0100.00716.47
7.4.60.0100.00616.56
7.4.50.0100.01016.53
7.4.40.0080.01016.31
7.4.30.0040.01516.48
7.4.20.0110.00716.33
7.4.10.0130.00716.46
7.4.00.0060.01015.82
7.3.330.0020.00213.11
7.3.320.0060.00013.18
7.3.310.0050.00316.18
7.3.300.0000.00716.12
7.3.290.0070.00016.31
7.3.280.0110.00616.23
7.3.270.0110.00717.40
7.3.260.0070.01016.50
7.3.250.0100.00716.40
7.3.240.0100.00716.28
7.3.230.0160.00316.37
7.3.220.0070.01016.54
7.3.210.0060.01216.49
7.3.200.0130.00516.23
7.3.190.0100.00716.36
7.3.180.0120.00616.21
7.3.170.0110.00616.28
7.3.160.0060.01216.40
7.3.150.0040.01216.65
7.3.140.0100.00716.38
7.3.130.0030.01416.41
7.3.120.0040.01316.23
7.3.110.0090.00916.54
7.3.100.0110.00616.31
7.3.90.0140.00416.43
7.3.80.0070.01016.54
7.3.70.0120.00916.39
7.3.60.0130.00616.34
7.3.50.0140.00316.28
7.3.40.0120.00616.31
7.3.30.0060.01116.39
7.3.20.0090.00916.34
7.3.10.0090.01016.39
7.3.00.0150.00416.24
7.2.340.0090.00916.55
7.2.330.0090.01216.55
7.2.320.0080.01116.61
7.2.310.0130.00516.48
7.2.300.0060.01216.38
7.2.290.0080.01116.53
7.2.280.0000.01816.57
7.2.270.0040.01516.52
7.2.260.0040.01316.39
7.2.250.0100.00716.37
7.2.240.0060.01216.06
7.2.230.0060.01216.36
7.2.220.0100.00716.66
7.2.210.0100.01316.05
7.2.200.0060.01216.49
7.2.190.0070.01316.49
7.2.180.0060.01316.45
7.2.170.0150.00316.48
7.2.160.0080.00816.31
7.2.150.0130.00316.41
7.2.140.0110.00616.37
7.2.130.0110.00716.46
7.2.120.0140.01016.41
7.2.110.0090.00916.39
7.2.100.0100.01016.51
7.2.90.0160.00316.51
7.2.80.0130.00916.57
7.2.70.0070.01016.46
7.2.60.0090.00816.61
7.2.50.0150.00716.53
7.2.40.0160.01016.57
7.2.30.0180.00616.51
7.2.20.0070.01116.38
7.2.10.0090.01016.29
7.2.00.0140.00217.70
7.1.330.0060.00915.44
7.1.320.0100.00615.41
7.1.310.0120.00315.48
7.1.300.0100.00715.52
7.1.290.0150.00415.42
7.1.280.0090.00915.47
7.1.270.0030.01315.41
7.1.260.0090.00615.30
7.1.250.0160.00615.48
7.1.240.0070.01115.45
7.1.230.0090.01315.46
7.1.220.0100.00715.60
7.1.210.0110.01115.41
7.1.200.0080.00915.55
7.1.190.0070.01015.52
7.1.180.0080.00815.37
7.1.170.0110.00715.50
7.1.160.0100.00715.42
7.1.150.0120.00915.46
7.1.140.0160.00015.49
7.1.130.0060.01215.40
7.1.120.0100.00915.39
7.1.110.0120.00315.52
7.1.100.0070.00916.76
7.1.90.0120.00315.48
7.1.80.0100.00715.61
7.1.70.0070.00916.38
7.1.60.0140.00717.41
7.1.50.0070.01016.22
7.1.40.0110.00715.71
7.1.30.0170.00015.50
7.1.20.0090.00915.55
7.1.10.0030.01415.48
7.1.00.0040.04419.02
7.0.330.0030.01315.32
7.0.320.0100.00715.26
7.0.310.0140.00315.13
7.0.300.0060.01015.02
7.0.290.0140.00514.93
7.0.280.0100.01015.14
7.0.270.0100.01015.23
7.0.260.0070.01015.05
7.0.250.0050.01115.13
7.0.240.0090.00615.33
7.0.230.0130.00315.13
7.0.220.0090.00615.20
7.0.210.0090.00915.06
7.0.200.0620.01214.84
7.0.190.0080.00814.99
7.0.180.0110.00815.23
7.0.170.0080.00815.09
7.0.160.0180.00315.29
7.0.150.0090.00915.25
7.0.140.0100.00715.22
7.0.130.0000.01615.07
7.0.120.0030.01215.04
7.0.110.0120.00315.37
7.0.100.0070.01015.22
7.0.90.0100.00715.21
7.0.80.0060.01015.23
7.0.70.0080.01215.20
7.0.60.0080.04318.49
7.0.50.0140.03916.62
7.0.40.0030.05317.66
7.0.30.0180.03217.69
7.0.20.0200.03317.57
7.0.10.0100.03917.71
7.0.00.0130.03517.64
5.6.400.0040.01415.96
5.6.390.0110.01415.68
5.6.380.0030.01815.85
5.6.370.0140.01015.61
5.6.360.0100.01315.66
5.6.350.0000.02315.71
5.6.340.0110.00815.75
5.6.330.0060.01215.88
5.6.320.0110.00716.06
5.6.310.0170.00415.61
5.6.300.0070.01715.76
5.6.290.0140.00915.75
5.6.280.0100.01015.90
5.6.270.0110.01116.21
5.6.260.0070.01315.85
5.6.250.0130.01015.87
5.6.240.0120.00616.02
5.6.230.0150.00315.86
5.6.220.0120.00615.93
5.6.210.0150.02518.31
5.6.200.0050.03116.96
5.6.190.0050.02718.16
5.6.180.0160.03018.27
5.6.170.0210.02118.16
5.6.160.0110.02318.19
5.6.150.0140.03417.06
5.6.140.0030.03417.08
5.6.130.0140.03317.13
5.6.120.0090.04818.35
5.6.110.0100.03418.38
5.6.100.0130.03118.48
5.6.90.0030.05318.27
5.6.80.0110.04118.13
5.6.70.0130.01715.91
5.6.60.0140.01015.74
5.6.50.0200.00315.61
5.6.40.0180.01115.84
5.6.30.0070.01715.57
5.6.20.0110.01115.71
5.6.10.0210.00315.57
5.6.00.0150.00915.61
5.5.380.0230.00915.88
5.5.370.0220.00915.58
5.5.360.0240.00815.80
5.5.350.0130.03517.96
5.5.340.0090.05116.88
5.5.330.0200.03318.12
5.5.320.0320.03817.97
5.5.310.0330.02218.02
5.5.300.0180.03916.78
5.5.290.0220.03016.85
5.5.280.0160.04518.40
5.5.270.0150.04218.33
5.5.260.0140.04718.21
5.5.250.0120.04418.16
5.5.240.0150.04817.77
5.5.230.0140.01715.71
5.5.220.0200.01215.76
5.5.210.0260.00615.61
5.5.200.0170.01815.62
5.5.190.0180.01215.63
5.5.180.0240.00615.64
5.5.170.0200.00915.74
5.5.160.0150.01915.69
5.5.150.0280.00415.61
5.5.140.0230.01015.74
5.5.130.0240.00615.88
5.5.120.0150.01615.47
5.5.110.0210.01015.75
5.5.100.0220.00915.67
5.5.90.0110.01815.64
5.5.80.0200.00515.40
5.5.70.0240.00515.64
5.5.60.0240.00815.75
5.5.50.0120.01615.45
5.5.40.0130.01415.74
5.5.30.0210.00915.70
5.5.20.0220.00715.66
5.5.10.0120.01615.52
5.5.00.0210.00715.47

preferences:
114.84 ms | 401 KiB | 5 Q