3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $foo = &$a; foreach($a as $v) { echo $v; $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)
8.3.60.0140.00316.38
8.3.50.0060.01521.00
8.3.40.0120.00318.85
8.3.30.0080.00618.38
8.3.20.0070.00020.08
8.3.10.0000.00723.70
8.3.00.0080.00023.61
8.2.180.0150.00718.11
8.2.170.0000.01422.96
8.2.160.0130.00020.29
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0030.00520.89
8.2.120.0050.00326.35
8.2.110.0040.00422.20
8.2.100.0040.00818.04
8.2.90.0030.00519.17
8.2.80.0080.00017.97
8.2.70.0040.00817.38
8.2.60.0040.00717.88
8.2.50.0000.00818.07
8.2.40.0060.00620.69
8.2.30.0000.00720.63
8.2.20.0040.00417.57
8.2.10.0050.00317.93
8.2.00.0040.00318.04
8.1.280.0140.00325.92
8.1.270.0050.00321.98
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00322.38
8.1.230.0080.00419.16
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0080.00017.35
8.1.190.0040.00417.13
8.1.180.0060.00318.10
8.1.170.0050.00218.66
8.1.160.0070.00020.87
8.1.150.0040.00418.82
8.1.140.0040.00419.54
8.1.130.0040.00417.69
8.1.120.0000.00717.38
8.1.110.0040.00417.47
8.1.100.0000.00717.50
8.1.90.0040.00417.48
8.1.80.0090.00017.48
8.1.70.0070.00017.42
8.1.60.0080.00017.48
8.1.50.0040.00417.48
8.1.40.0000.00717.48
8.1.30.0050.00317.71
8.1.20.0040.00417.66
8.1.10.0040.00417.54
8.1.00.0000.00817.34
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0090.00018.36
8.0.270.0030.00317.13
8.0.260.0030.00317.16
8.0.250.0000.00716.96
8.0.240.0000.00616.90
8.0.230.0100.00016.95
8.0.220.0000.00716.83
8.0.210.0000.00716.93
8.0.200.0070.00016.94
8.0.190.0000.00716.99
8.0.180.0050.00316.88
8.0.170.0040.00416.82
8.0.160.0000.00716.89
8.0.150.0040.00416.88
8.0.140.0070.00016.85
8.0.130.0080.00013.38
8.0.120.0030.00516.84
8.0.110.0000.00716.71
8.0.100.0030.00516.73
8.0.90.0070.00017.00
8.0.80.0130.00716.84
8.0.70.0000.00816.98
8.0.60.0000.00716.93
8.0.50.0040.00416.89
8.0.30.0070.01217.30
8.0.20.0080.01217.40
8.0.10.0040.00417.07
8.0.00.0100.00916.84
7.4.330.0060.00015.08
7.4.320.0030.00316.52
7.4.300.0030.00316.61
7.4.290.0050.00216.41
7.4.280.0030.00616.44
7.4.270.0030.00316.50
7.4.260.0040.00416.53
7.4.250.0070.00016.56
7.4.240.0030.00516.60
7.4.230.0070.00016.49
7.4.220.0130.00616.62
7.4.210.0110.00416.60
7.4.200.0070.00016.62
7.4.160.0120.00916.48
7.4.150.0130.00917.40
7.4.140.0130.00617.86
7.4.130.0110.00516.53
7.4.120.0090.00916.44
7.4.110.0090.00916.38
7.4.100.0100.00716.45
7.4.90.0150.00316.58
7.4.80.0090.00919.39
7.4.70.0140.00416.48
7.4.60.0060.01016.53
7.4.50.0000.01816.34
7.4.40.0130.00616.42
7.4.30.0120.00616.53
7.4.00.0060.00815.11
7.3.330.0050.00013.11
7.3.320.0060.00013.19
7.3.310.0070.00016.31
7.3.300.0000.00716.26
7.3.290.0070.00816.26
7.3.280.0040.01316.32
7.3.270.0090.00617.40
7.3.260.0100.00716.48
7.3.250.0100.00816.51
7.3.240.0130.00716.36
7.3.230.0030.01716.53
7.3.210.0130.00716.31
7.3.200.0030.01616.25
7.3.190.0180.00016.37
7.3.180.0090.00616.16
7.3.170.0110.01116.31
7.3.160.0040.01716.45
7.2.330.0140.00316.31
7.2.320.0090.00916.50
7.2.310.0000.01916.27
7.2.300.0100.00716.38
7.2.290.0000.01716.69
7.2.60.0090.00617.01
7.2.00.0040.00919.42
7.1.200.0030.00715.60
7.1.100.0080.00318.04
7.1.70.0000.01217.19
7.1.60.0070.01419.52
7.1.50.0120.00917.04
7.1.00.0130.06722.48
7.0.200.0040.00416.52
7.0.60.0030.06719.85
7.0.50.0070.04017.87
7.0.40.0200.03720.23
7.0.30.0230.06020.04
7.0.20.0470.06020.09
7.0.10.0070.06320.04
7.0.00.0130.08020.20
5.6.280.0100.06320.91
5.6.210.0030.06320.53
5.6.200.0100.03718.09
5.6.190.0170.05020.43
5.6.180.0230.08320.60
5.6.170.0230.08020.44
5.6.160.0000.09720.48
5.6.150.0100.05018.14
5.6.140.0130.07718.11
5.6.130.0070.08318.21
5.6.120.0070.08720.89
5.6.110.0030.04021.02
5.6.100.0100.08021.00
5.6.90.0100.05321.01
5.6.80.0100.07320.39
5.5.350.0070.07720.46
5.5.340.0100.07317.98
5.5.330.0100.08320.57
5.5.320.0500.04020.29
5.5.310.0130.04320.27
5.5.300.0000.04017.98
5.5.290.0100.08017.89
5.5.280.0030.09020.87
5.5.270.0030.04320.74
5.5.260.0000.04720.86
5.5.250.0070.04320.58
5.5.240.0130.03020.26

preferences:
60.84 ms | 401 KiB | 5 Q