3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ref(&$a) { var_dump($a); } $b = 1; $args = array( &$b ); unset($b); for ($i = 0; $i < 2; $i++) { $a = array_slice($args, 0, 1); call_user_func_array('ref', $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)
8.3.70.0100.01018.15
8.3.60.0170.00018.43
8.3.50.0310.00723.00
8.3.40.0140.00018.67
8.3.30.0080.00618.85
8.3.20.0040.00421.77
8.3.10.0040.00423.48
8.3.00.0030.00519.79
8.2.180.0070.00716.49
8.2.170.0170.00022.96
8.2.160.0030.01019.20
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00422.19
8.2.120.0030.01026.35
8.2.110.0030.00720.47
8.2.100.0070.00417.91
8.2.90.0060.00318.22
8.2.80.0040.00419.20
8.2.70.0060.00617.50
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0050.00318.16
8.2.30.0030.00518.04
8.2.20.0000.00717.78
8.2.10.0000.00718.00
8.2.00.0050.00218.02
8.1.280.0070.00725.92
8.1.270.0040.00423.91
8.1.260.0040.00828.09
8.1.250.0040.00428.09
8.1.240.0120.00920.74
8.1.230.0040.00722.72
8.1.220.0080.00017.78
8.1.210.0030.00620.38
8.1.200.0040.00417.35
8.1.190.0070.00317.23
8.1.180.0050.00318.10
8.1.170.0040.00418.90
8.1.160.0000.01018.80
8.1.150.0000.00718.83
8.1.140.0030.00519.58
8.1.130.0030.00318.88
8.1.120.0040.00417.48
8.1.110.0000.00917.38
8.1.100.0070.00017.45
8.1.90.0080.00017.36
8.1.80.0070.00017.53
8.1.70.0040.00417.46
8.1.60.0090.00017.60
8.1.50.0040.00417.52
8.1.40.0040.00417.57
8.1.30.0030.00517.50
8.1.20.0030.00617.55
8.1.10.0040.00417.54
8.1.00.0060.00517.49
8.0.300.0060.00322.09
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0070.00016.88
8.0.260.0000.00718.84
8.0.250.0000.00716.99
8.0.240.0030.00317.07
8.0.230.0000.00717.03
8.0.220.0040.00416.93
8.0.210.0000.00716.83
8.0.200.0000.00616.98
8.0.190.0030.00317.00
8.0.180.0060.00316.97
8.0.170.0070.00016.98
8.0.160.0040.00316.96
8.0.150.0000.00716.79
8.0.140.0000.00816.82
8.0.130.0060.00013.37
8.0.120.0080.00016.95
8.0.110.0000.00716.98
8.0.100.0040.00416.84
8.0.90.0050.00216.73
8.0.80.0030.01617.00
8.0.70.0040.00416.92
8.0.60.0000.00816.75
8.0.50.0000.00816.98
8.0.30.0090.00817.17
8.0.20.0060.01317.40
8.0.10.0040.00417.12
8.0.00.0040.01316.70
7.4.330.0020.00215.08
7.4.320.0060.00016.57
7.4.300.0030.00316.48
7.4.290.0000.00716.50
7.4.280.0000.00916.50
7.4.270.0040.00416.51
7.4.260.0000.00716.46
7.4.250.0080.00016.48
7.4.240.0040.00416.61
7.4.230.0000.00716.46
7.4.220.0100.01016.52
7.4.210.0100.00716.56
7.4.200.0080.00016.59
7.4.160.0120.00316.66
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0040.01316.65
7.4.120.0120.00716.46
7.4.110.0160.00616.54
7.4.100.0090.01216.41
7.4.90.0100.00716.39
7.4.80.0060.01219.39
7.4.70.0110.01116.54
7.4.60.0130.00716.50
7.4.50.0130.00316.62
7.4.40.0070.01016.50
7.4.30.0110.00416.37
7.4.00.0120.00314.97
7.3.330.0000.00613.31
7.3.320.0070.00013.23
7.3.310.0040.00416.21
7.3.300.0030.00516.32
7.3.290.0110.00516.38
7.3.280.0080.00916.33
7.3.270.0090.00917.40
7.3.260.0130.00416.71
7.3.250.0110.01116.33
7.3.240.0100.00816.49
7.3.230.0100.01316.39
7.3.210.0120.00916.37
7.3.200.0120.00616.28
7.3.190.0120.00316.50
7.3.180.0140.00716.50
7.3.170.0060.01516.42
7.3.160.0100.00616.41
7.3.10.0100.00616.62
7.3.00.0030.01016.56
7.2.330.0040.01316.76
7.2.320.0040.01216.53
7.2.310.0110.00716.45
7.2.300.0120.00916.58
7.2.290.0070.01416.69
7.2.130.0070.00716.95
7.2.120.0050.00616.85
7.2.110.0040.01117.02
7.2.100.0080.00516.97
7.2.90.0030.01116.64
7.2.80.0080.00716.95
7.2.70.0070.00716.84
7.2.60.0040.01316.88
7.2.50.0030.01116.87
7.2.40.0080.00516.94
7.2.30.0070.01116.81
7.2.20.0080.00616.96
7.2.10.0070.00516.94
7.2.00.0020.01217.81
7.1.250.0090.00215.78
7.1.200.0030.00615.85
7.1.100.0030.00718.15
7.1.70.0030.00317.25
7.1.60.0090.00419.75
7.1.50.0120.01217.10
7.1.00.0100.07022.45
7.0.200.0030.00815.02
7.0.90.0500.05320.00
7.0.80.0630.05319.93
7.0.70.0230.05019.91
7.0.60.0270.06019.82
7.0.50.0230.06020.40
7.0.40.0200.05320.36
7.0.30.0300.07020.39
7.0.20.0200.06020.36
7.0.10.0230.04720.27
7.0.00.0200.06320.30
5.6.240.0100.06720.82
5.6.230.0270.06320.60
5.6.220.0200.04720.62
5.6.210.0170.06020.71
5.6.200.0170.05321.04
5.6.190.0130.05721.14
5.6.180.0100.06021.07
5.6.170.0130.07721.09
5.6.160.0200.05021.17
5.6.150.0070.08321.08
5.6.140.0130.05721.01
5.6.130.0130.06721.14
5.6.120.0070.06720.98
5.6.110.0070.07721.16
5.6.100.0130.05721.16
5.6.90.0070.06021.03
5.6.80.0100.05720.59
5.6.70.0130.08020.43
5.6.60.0200.04720.55
5.6.50.0130.05020.56
5.6.40.0030.06020.53
5.6.30.0130.04720.38
5.6.20.0070.05320.45
5.6.10.0130.05020.54
5.6.00.0030.06020.39
5.5.380.0030.07020.46
5.5.370.0130.05720.45
5.5.360.0130.05720.44
5.5.350.0070.06020.48
5.5.340.0100.05720.89
5.5.330.0100.06020.93
5.5.320.0100.07720.86
5.5.310.0030.06720.97
5.5.300.0130.05720.94
5.5.290.0200.05020.77
5.5.280.0130.05720.96
5.5.270.0130.08320.93
5.5.260.0070.08720.84
5.5.250.0100.06020.74
5.5.240.0130.05320.32
5.5.230.0100.07020.30
5.5.220.0100.05320.26
5.5.210.0030.05720.34
5.5.200.0100.06320.32
5.5.190.0100.05320.30
5.5.180.0130.05020.19
5.5.160.0100.05320.20
5.5.150.0230.06320.30
5.5.140.0200.07020.20
5.5.130.0100.07320.29
5.5.120.0130.05020.27
5.5.110.0070.05720.29
5.5.100.0170.05320.21
5.5.90.0170.04720.21
5.5.80.0130.06020.07
5.5.70.0170.07020.18
5.5.60.0100.05020.20
5.5.50.0170.04720.15
5.5.40.0230.04020.21
5.5.30.0130.05720.00
5.5.20.0200.06020.13
5.5.10.0100.06719.98
5.5.00.0130.07320.12
5.4.450.0070.06019.35
5.4.440.0030.06019.52
5.4.430.0100.05319.36
5.4.420.0130.06019.46
5.4.410.0070.08019.23
5.4.400.0070.06019.05
5.4.390.0100.05719.09
5.4.380.0130.05019.20
5.4.370.0230.06019.16
5.4.360.0130.05319.09
5.4.350.0070.06019.02
5.4.340.0130.04719.10
5.4.320.0100.05319.15
5.4.310.0100.05719.08
5.4.300.0170.05319.03
5.4.290.0130.06719.24
5.4.280.0170.05719.14
5.4.270.0130.05319.16
5.4.260.0070.06019.18
5.4.250.0030.06019.15
5.4.240.0200.06319.13
5.4.230.0000.06319.05
5.4.220.0170.05019.02
5.4.210.0100.05019.19
5.4.200.0100.05019.16
5.4.190.0170.04719.03
5.4.180.0070.05319.14
5.4.170.0100.05018.91
5.4.160.0000.06019.16
5.4.150.0170.04319.18
5.4.140.0100.04716.34
5.4.130.0070.05016.62
5.4.120.0000.05716.32
5.4.110.0130.04716.57
5.4.100.0200.03716.32
5.4.90.0030.05316.56
5.4.80.0030.07316.36
5.4.70.0130.04316.26
5.4.60.0070.05716.58
5.4.50.0100.06716.24
5.4.40.0230.04316.61
5.4.30.0100.04716.52
5.4.20.0070.05716.30
5.4.10.0030.05716.51
5.4.00.0130.04315.98
5.3.290.0130.04714.77
5.3.280.0170.05714.73
5.3.270.0100.05014.64
5.3.260.0170.06714.63
5.3.250.0130.04714.60
5.3.240.0100.05014.71
5.3.230.0130.05314.57
5.3.220.0070.05314.59
5.3.210.0030.05714.55
5.3.200.0070.05014.53
5.3.190.0070.05314.57
5.3.180.0030.08014.55
5.3.170.0230.05014.55
5.3.160.0200.04014.59
5.3.150.0070.05314.55
5.3.140.0070.05014.68
5.3.130.0100.05314.57
5.3.120.0070.06014.68
5.3.110.0130.04714.53
5.3.100.0100.05314.01
5.3.90.0100.05014.03
5.3.80.0070.05013.88
5.3.70.0070.05014.02
5.3.60.0030.07014.02
5.3.50.0030.05713.95
5.3.40.0070.05314.09
5.3.30.0070.05313.90
5.3.20.0070.05013.71
5.3.10.0100.06013.65
5.3.00.0100.04713.65
5.2.170.0100.05011.14
5.2.160.0030.04311.16
5.2.150.0130.06311.12
5.2.140.0070.04311.17
5.2.130.0070.04311.10
5.2.120.0130.03711.13
5.2.110.0170.04711.04
5.2.100.0030.04311.06
5.2.90.0070.04011.13
5.2.80.0070.04011.20
5.2.70.0070.04311.00
5.2.60.0130.03311.09
5.2.50.0070.05311.04
5.2.40.0130.04311.01
5.2.30.0100.04010.98
5.2.20.0070.04010.98
5.2.10.0100.03710.78
5.2.00.0070.04710.58
5.1.60.0030.03710.07
5.1.50.0070.03710.01
5.1.40.0070.0309.96
5.1.30.0070.03310.32
5.1.20.0070.03310.36
5.1.10.0100.0309.96
5.1.00.0070.03710.02
5.0.50.0130.0338.63
5.0.40.0000.0308.40
5.0.30.0000.0438.31
5.0.20.0030.0278.24
5.0.10.0030.0408.19
5.0.00.0130.0408.00
4.4.90.0030.0235.85
4.4.80.0000.0235.82
4.4.70.0030.0235.87
4.4.60.0070.0205.84
4.4.50.0100.0205.84
4.4.40.0000.0375.82
4.4.30.0100.0135.83
4.4.20.0000.0275.89
4.4.10.0030.0305.90
4.4.00.0000.0375.87
4.3.110.0030.0205.78
4.3.100.0000.0235.78
4.3.90.0070.0175.72
4.3.80.0030.0335.74
4.3.70.0000.0235.69
4.3.60.0000.0235.79
4.3.50.0000.0235.75
4.3.40.0070.0275.71
4.3.30.0000.0235.58
4.3.20.0000.0235.58
4.3.10.0000.0205.58
4.3.00.0000.0235.58

preferences:
60.38 ms | 401 KiB | 5 Q