3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(&$arr) { static $a; var_dump($a); if (!isset($a)) { $a = &$arr; } } $arr = [1, 2, 3]; test($arr); test($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)
8.3.60.0110.00418.23
8.3.50.0160.00521.88
8.3.40.0160.00018.65
8.3.30.0090.00618.32
8.3.20.0000.00820.23
8.3.10.0030.00618.73
8.3.00.0080.00418.76
8.2.180.0090.00616.32
8.2.170.0140.00722.96
8.2.160.0060.00922.26
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0110.00321.11
8.2.120.0040.00426.35
8.2.110.0060.00320.97
8.2.100.0000.01117.93
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0080.00018.03
8.2.50.0030.00618.09
8.2.40.0000.01020.62
8.2.30.0070.00019.43
8.2.20.0000.00817.61
8.2.10.0080.00017.93
8.2.00.0030.00318.11
8.1.280.0110.00825.92
8.1.270.0090.00623.91
8.1.260.0030.00628.09
8.1.250.0070.00028.09
8.1.240.0040.00422.57
8.1.230.0080.00317.64
8.1.220.0040.00417.74
8.1.210.0110.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0050.00518.59
8.1.160.0000.00720.82
8.1.150.0040.00418.89
8.1.140.0000.00919.58
8.1.130.0000.00717.61
8.1.120.0030.00317.54
8.1.110.0070.00017.34
8.1.100.0000.00717.45
8.1.90.0000.00717.45
8.1.80.0080.00017.29
8.1.70.0030.00517.36
8.1.60.0070.00317.60
8.1.50.0040.00417.45
8.1.40.0080.00417.56
8.1.30.0060.00317.73
8.1.20.0030.00617.51
8.1.10.0050.00317.50
8.1.00.0040.00417.42
8.0.300.0050.00218.77
8.0.290.0000.00816.75
8.0.280.0030.00318.32
8.0.270.0000.00717.16
8.0.260.0000.00617.26
8.0.250.0030.00316.84
8.0.240.0000.00716.84
8.0.230.0080.00016.87
8.0.220.0050.00316.90
8.0.210.0000.00716.88
8.0.200.0070.00016.86
8.0.190.0060.00316.96
8.0.180.0030.00516.82
8.0.170.0080.00016.84
8.0.160.0030.00316.82
8.0.150.0000.00716.85
8.0.140.0000.00716.82
8.0.130.0030.00313.40
8.0.120.0040.00416.79
8.0.110.0070.00016.82
8.0.100.0000.00716.75
8.0.90.0000.00716.76
8.0.80.0070.00716.84
8.0.70.0000.00816.65
8.0.60.0000.00816.79
8.0.50.0040.00416.75
8.0.30.0060.01317.11
8.0.20.0090.01017.40
8.0.10.0030.00517.10
8.0.00.0110.00816.77
7.4.330.0050.00016.73
7.4.320.0060.00016.46
7.4.300.0030.00316.52
7.4.290.0030.00316.61
7.4.280.0030.00616.64
7.4.270.0070.00016.55
7.4.260.0030.00616.58
7.4.250.0000.00716.38
7.4.240.0030.00316.50
7.4.230.0000.00716.32
7.4.220.0070.01016.56
7.4.210.0080.00616.66
7.4.200.0000.00716.40
7.4.160.0040.01116.73
7.4.150.0110.00817.40
7.4.140.0120.00717.86
7.4.130.0140.00616.61
7.4.120.0070.01016.53
7.4.110.0070.01116.55
7.4.100.0070.01016.59
7.4.90.0100.00716.63
7.4.80.0050.02019.39
7.4.70.0070.01016.39
7.4.60.0030.01316.54
7.4.50.0040.01116.69
7.4.40.0070.00716.39
7.4.30.0130.00716.28
7.4.00.0070.01014.93
7.3.330.0000.00613.06
7.3.320.0030.00313.11
7.3.310.0000.00716.14
7.3.300.0030.00316.11
7.3.290.0030.00316.11
7.3.280.0140.00516.29
7.3.270.0080.01217.40
7.3.260.0150.00316.48
7.3.250.0140.00616.45
7.3.240.0130.00616.34
7.3.230.0070.01016.39
7.3.210.0120.00916.25
7.3.200.0060.01016.50
7.3.190.0100.00616.48
7.3.180.0070.01016.42
7.3.170.0040.01516.48
7.3.160.0140.00316.29
7.2.330.0110.00716.58
7.2.320.0060.01316.65
7.2.310.0160.00016.72
7.2.300.0130.00916.38
7.2.290.0060.01416.46
7.1.70.0050.00517.18
7.1.60.0170.00719.27
7.1.50.0040.00716.89
7.1.00.0070.07322.30
7.0.200.0310.00414.60
7.0.100.0370.06719.92
7.0.90.0470.05319.98
7.0.80.0500.06719.92
7.0.70.0570.07719.88
7.0.60.0570.08020.04
7.0.50.0570.08720.26
7.0.40.0100.07720.11
7.0.30.0170.04320.05
7.0.20.0070.08320.18
7.0.10.0100.08020.08
7.0.00.0030.08320.09
5.6.280.0030.03320.91
5.6.250.0100.08320.63
5.6.240.0070.05320.58
5.6.230.0170.07720.50
5.6.220.0070.07720.59
5.6.210.0070.08020.50
5.6.200.0230.06721.09
5.6.190.0130.04321.07
5.6.180.0100.08020.97
5.6.170.0070.05721.11
5.6.160.0030.08721.05
5.6.150.0100.07320.95
5.6.140.0070.05021.03
5.6.130.0030.08721.08
5.6.120.0070.08321.09
5.6.110.0100.08721.10
5.6.100.0070.07321.02
5.6.90.0070.08321.03
5.6.80.0170.07020.44
5.6.70.0170.06020.49
5.6.60.0070.08020.40
5.6.50.0070.07320.40
5.6.40.0030.08720.42
5.6.30.0170.06720.43
5.6.20.0230.05720.46
5.6.10.0130.07020.49
5.6.00.0100.07720.42
5.5.380.0100.07320.40
5.5.370.0070.06020.35
5.5.360.0100.05720.49
5.5.350.0100.08020.42
5.5.340.0170.07320.77
5.5.330.0070.05720.84
5.5.320.0100.08020.79
5.5.310.0070.08020.87
5.5.300.0130.07720.81
5.5.290.0100.08720.78
5.5.280.0070.08020.86
5.5.270.0100.08320.82
5.5.260.0100.07020.78
5.5.250.0030.08020.70
5.5.240.0170.07020.16
5.5.230.0030.08720.14
5.5.220.0070.04720.27
5.5.210.0070.04720.18
5.5.200.0070.07320.16
5.5.190.0070.08020.19
5.5.180.0070.04720.25
5.5.160.0200.06320.24
5.5.150.0000.07320.25
5.5.140.0070.08020.17
5.5.130.0030.06720.27
5.5.120.0170.05719.99
5.5.110.0070.08020.21
5.5.100.0130.05020.09
5.5.90.0170.07020.16
5.5.80.0000.04320.14
5.5.70.0100.03320.00
5.5.60.0030.04020.16
5.5.50.0070.03720.08
5.5.40.0030.04020.07
5.5.30.0070.03720.12
5.5.20.0030.04020.14
5.5.10.0030.05019.98
5.5.00.0070.04320.11

preferences:
35.9 ms | 401 KiB | 5 Q