3v4l.org

run code in 300+ PHP versions simultaneously
<?php function& test($arr = array()) { var_dump($arr); return $arr; } $arr =& test(); var_dump($arr);

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)
8.3.70.0120.00316.58
8.3.60.0090.01218.43
8.3.50.0180.00321.99
8.3.40.0040.01118.51
8.3.30.0070.00720.13
8.3.20.0050.00318.59
8.3.10.0000.00820.95
8.3.00.0000.00919.79
8.2.180.0150.00018.16
8.2.170.0170.00022.96
8.2.160.0110.00320.47
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00019.83
8.2.110.0100.00020.45
8.2.100.0080.00317.79
8.2.90.0040.00418.22
8.2.80.0060.00319.46
8.2.70.0040.00417.50
8.2.60.0000.00717.80
8.2.50.0080.00318.07
8.2.40.0060.00319.88
8.2.30.0030.00519.43
8.2.20.0040.00417.70
8.2.10.0040.00417.66
8.2.00.0000.00817.51
8.1.280.0090.00625.92
8.1.270.0050.00323.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.20
8.1.230.0000.01320.74
8.1.220.0000.00817.74
8.1.210.0080.00018.97
8.1.200.0060.00317.35
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0050.00318.36
8.1.160.0050.00218.82
8.1.150.0000.00818.53
8.1.140.0070.00017.41
8.1.130.0070.00017.88
8.1.120.0040.00417.37
8.1.110.0000.00717.38
8.1.100.0060.00317.36
8.1.90.0070.00017.25
8.1.80.0070.00017.29
8.1.70.0030.00317.20
8.1.60.0080.00017.46
8.1.50.0080.00017.43
8.1.40.0050.00317.52
8.1.30.0000.00817.63
8.1.20.0080.00017.65
8.1.10.0040.00417.46
8.1.00.0000.00717.37
8.0.300.0070.00020.16
8.0.290.0000.00716.91
8.0.280.0040.00418.43
8.0.270.0030.00317.25
8.0.260.0050.00216.75
8.0.250.0070.00016.89
8.0.240.0000.01016.79
8.0.230.0060.00016.76
8.0.220.0000.00716.75
8.0.210.0000.00716.70
8.0.200.0030.00316.92
8.0.190.0040.00416.85
8.0.180.0000.00716.82
8.0.170.0040.00416.85
8.0.160.0070.00016.92
8.0.150.0020.00516.82
8.0.140.0040.00416.79
8.0.130.0070.00013.33
8.0.120.0030.00516.79
8.0.110.0000.00716.71
8.0.100.0070.00016.59
8.0.90.0040.00416.75
8.0.80.0030.01116.80
8.0.70.0040.00416.81
8.0.60.0040.00416.87
8.0.50.0030.00516.70
8.0.30.0110.00917.13
8.0.20.0130.00617.40
8.0.10.0030.00616.95
8.0.00.0110.00616.81
7.4.330.0000.00516.80
7.4.320.0000.00616.35
7.4.300.0030.00316.60
7.4.290.0040.00416.57
7.4.280.0000.00716.47
7.4.270.0000.00816.58
7.4.260.0000.00613.26
7.4.250.0050.00316.57
7.4.240.0030.00316.62
7.4.230.0000.00716.69
7.4.220.0120.00616.43
7.4.210.0070.00916.56
7.4.200.0040.00416.66
7.4.190.0030.00316.42
7.4.160.0100.00716.45
7.4.150.0060.01217.40
7.4.140.0080.01017.86
7.4.130.0120.00516.51
7.4.120.0090.00916.56
7.4.110.0070.01016.67
7.4.100.0100.01016.43
7.4.90.0120.00616.60
7.4.80.0090.00919.39
7.4.70.0140.01116.34
7.4.60.0120.00316.52
7.4.50.0040.00416.42
7.4.40.0030.00722.77
7.4.30.0140.00316.38
7.4.00.0000.01414.99
7.3.330.0030.00313.09
7.3.320.0030.00313.30
7.3.310.0030.00316.00
7.3.300.0030.00316.18
7.3.290.0090.00616.16
7.3.280.0080.01116.20
7.3.270.0100.00717.40
7.3.260.0120.00918.24
7.3.250.0090.01116.29
7.3.240.0100.00616.27
7.3.230.0110.00616.39
7.3.210.0070.01016.24
7.3.200.0060.01519.39
7.3.190.0070.01016.43
7.3.180.0030.01716.29
7.3.170.0100.00616.30
7.3.160.0070.01016.28
7.3.120.0070.01014.87
7.2.330.0090.01516.16
7.2.320.0060.01216.41
7.2.310.0090.00916.16
7.2.300.0120.00316.53
7.2.290.0090.00616.38
7.2.00.0090.00319.36
7.1.100.0130.00318.02
7.1.70.0060.00616.86
7.1.60.0130.01019.24
7.1.50.0100.01316.70
7.1.00.0000.04722.40
7.0.200.0030.00316.71
7.0.140.0000.07322.12
7.0.100.0030.09019.96
7.0.90.0230.08719.93
7.0.80.0070.08019.96
7.0.70.0130.06019.92
7.0.60.0100.08319.94
7.0.50.0200.04720.33
7.0.40.0030.09020.03
7.0.30.0100.04720.17
7.0.20.0100.08320.13
7.0.10.0070.04320.17
7.0.00.0100.06720.04
5.6.280.0070.07021.07
5.6.250.0030.06320.54
5.6.240.0130.08320.63
5.6.230.0030.09020.64
5.6.220.0070.07720.66
5.6.210.0170.07320.63
5.6.200.0000.05720.94
5.6.190.0100.08021.07
5.6.180.0070.05021.05
5.6.170.0100.04020.95
5.6.160.0170.06320.97
5.6.150.0130.07020.94
5.6.140.0130.07721.04
5.6.130.0130.08320.95
5.6.120.0300.06321.03
5.6.110.0130.06721.11
5.6.100.0070.09021.09
5.6.90.0130.04020.95
5.6.80.0070.06720.43
5.6.70.0130.06320.34
5.6.60.0070.03320.41
5.6.50.0130.07320.42
5.6.40.0070.08020.46
5.6.30.0100.07720.36
5.6.20.0070.07720.39
5.6.10.0200.06720.46
5.6.00.0100.07020.39
5.5.380.0000.04720.39
5.5.370.0070.07720.50
5.5.360.0070.05320.43
5.5.350.0100.07320.39
5.5.340.0170.07320.81
5.5.330.0030.08720.84
5.5.320.0000.05720.78
5.5.310.0170.07020.89
5.5.300.0130.08020.80
5.5.290.0200.07720.78
5.5.280.0030.08720.89
5.5.270.0130.08720.84
5.5.260.0070.06320.85
5.5.250.0030.06320.55
5.5.240.0100.06320.16
5.5.230.0100.07720.26
5.5.220.0070.07720.25
5.5.210.0130.07020.13
5.5.200.0070.06320.21
5.5.190.0100.08020.08
5.5.180.0070.06720.18
5.5.160.0030.09020.13
5.5.150.0000.04720.12
5.5.140.0000.08320.12
5.5.130.0130.04020.12
5.5.120.0070.05020.22
5.5.110.0070.07720.10
5.5.100.0100.08020.07
5.5.90.0030.08320.15
5.5.80.0130.05720.16
5.5.70.0030.04720.09
5.5.60.0000.08020.11
5.5.50.0070.08020.00
5.5.40.0070.05720.06
5.5.30.0170.07020.14
5.5.20.0070.06720.03
5.5.10.0070.03720.03
5.5.00.0130.07320.11
5.4.450.0030.08319.40
5.4.440.0100.08719.56
5.4.430.0200.06719.35
5.4.420.0070.05019.50
5.4.410.0030.04019.24
5.4.400.0000.08319.05
5.4.390.0030.06019.04
5.4.380.0170.06319.09
5.4.370.0100.07019.16
5.4.360.0130.06718.84
5.4.350.0070.07019.14
5.4.340.0100.07718.88
5.4.320.0070.07019.15
5.4.310.0100.08019.13
5.4.300.0000.08019.20
5.4.290.0030.07719.02
5.4.280.0030.08018.90
5.4.270.0130.03019.18
5.4.260.0170.06319.02
5.4.250.0070.07019.02
5.4.240.0100.04318.95
5.4.230.0070.03718.88
5.4.220.0170.05318.87
5.4.210.0130.06718.94
5.4.200.0030.07719.22
5.4.190.0070.07319.04
5.4.180.0100.04319.15
5.4.170.0030.06318.87
5.4.160.0100.08019.16
5.4.150.0130.06319.01
5.4.140.0100.06316.41
5.4.130.0100.06316.36
5.4.120.0070.07016.35
5.4.110.0100.05716.47
5.4.100.0070.05716.42
5.4.90.0070.07016.28
5.4.80.0130.07016.39
5.4.70.0070.07016.49
5.4.60.0100.05316.48
5.4.50.0070.05316.48
5.4.40.0130.05016.36
5.4.30.0000.07016.30
5.4.20.0100.06016.36
5.4.10.0030.06316.36
5.4.00.0030.07015.80
5.3.290.0030.08314.74
5.3.280.0070.03714.56
5.3.270.0030.07014.63
5.3.260.0000.04314.63
5.3.250.0100.06714.59
5.3.240.0100.07314.61
5.3.230.0100.04314.52
5.3.220.0070.06714.48
5.3.210.0100.07014.54
5.3.200.0070.07714.55
5.3.190.0100.03314.67
5.3.180.0070.05314.58
5.3.170.0170.05014.57
5.3.160.0070.07714.49
5.3.150.0070.06014.51
5.3.140.0070.06314.56
5.3.130.0030.07714.61
5.3.120.0070.07314.54
5.3.110.0100.08014.61
5.3.100.0200.05314.13
5.3.90.0100.07013.95
5.3.80.0070.06714.05
5.3.70.0170.06314.04
5.3.60.0130.06014.06
5.3.50.0030.06713.97
5.3.40.0030.08013.86
5.3.30.0130.06714.02
5.3.20.0030.06713.80
5.3.10.0070.04713.74
5.3.00.0170.05313.57
5.2.170.0030.03312.14
5.2.160.0030.07012.14
5.2.150.0100.04312.14
5.2.140.0170.06012.14
5.2.130.0030.06312.14
5.2.120.0070.03712.14
5.2.110.0070.03312.14
5.2.100.0070.06312.14
5.2.90.0030.03712.14
5.2.80.0030.03712.14
5.2.70.0030.05312.14
5.2.60.0070.04712.14
5.2.50.0070.04012.14
5.2.40.0200.04712.14
5.2.30.0070.06012.14
5.2.20.0070.04712.14
5.2.10.0070.03312.14
5.2.00.0100.02312.14
5.1.60.0030.03012.14
5.1.50.0000.06012.14
5.1.40.0030.05012.14
5.1.30.0000.03312.14
5.1.20.0030.03312.14
5.1.10.0070.03012.14
5.1.00.0070.06012.14
5.0.50.0030.04312.14
5.0.40.0000.05012.14
5.0.30.0000.05712.14
5.0.20.0070.03712.14
5.0.10.0000.03312.14
5.0.00.0000.05312.14
4.4.90.0070.02312.14
4.4.80.0000.03712.14
4.4.70.0000.02312.14
4.4.60.0000.03712.14
4.4.50.0030.02712.14
4.4.40.0100.04312.14
4.4.30.0000.03312.14
4.4.20.0030.02312.14
4.4.10.0070.03012.14
4.4.00.0000.05712.14
4.3.110.0030.02712.14
4.3.100.0030.03712.14
4.3.90.0070.02712.14
4.3.80.0000.05012.14
4.3.70.0070.02712.14
4.3.60.0070.03012.14
4.3.50.0030.03312.14
4.3.40.0070.03312.14
4.3.30.0100.02312.14
4.3.20.0030.02312.14
4.3.10.0030.03012.14
4.3.00.0000.03712.14

preferences:
34.66 ms | 401 KiB | 5 Q