3v4l.org

run code in 500+ PHP versions simultaneously
<?php $test1 = $test2 = ['foo', 'bar']; foreach ($test1 as &$v) { $v = ['name' => $v]; } foreach ($test2 ?? [] as &$v) { $v = ['name' => $v]; } print_r($test1); print_r($test2);

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)
8.5.60.0060.01216.89
8.5.50.0110.00816.64
8.5.30.0120.00919.59
8.5.20.0080.00619.30
8.5.10.0130.00616.82
8.5.00.0200.00620.08
8.4.180.0110.01119.70
8.4.170.0120.00920.47
8.4.160.0130.00921.56
8.4.150.0080.00516.89
8.4.140.0170.01017.64
8.4.130.0090.01122.13
8.4.120.0110.00823.99
8.4.110.0100.00922.34
8.4.100.0060.00620.65
8.4.90.0110.00918.77
8.4.80.0060.01420.71
8.4.70.0080.00717.79
8.4.60.0100.00918.69
8.4.50.0130.00818.79
8.4.40.0100.01018.72
8.4.30.0040.00419.28
8.4.20.0140.00720.58
8.4.10.0060.00320.54
8.3.300.0130.00818.35
8.3.290.0140.00620.79
8.3.280.0110.00818.35
8.3.270.0120.00816.59
8.3.260.0120.00716.72
8.3.250.0120.00719.10
8.3.240.0100.00917.18
8.3.230.0140.00816.68
8.3.220.0100.00918.99
8.3.210.0020.00618.28
8.3.200.0020.00716.60
8.3.190.0140.00517.07
8.3.180.0060.00417.43
8.3.170.0070.01020.75
8.3.160.0150.00317.02
8.3.150.0130.00317.27
8.3.140.0120.00616.52
8.3.130.0030.00716.51
8.3.120.0060.00318.78
8.3.110.0120.00316.40
8.3.100.0000.00824.06
8.3.90.0050.00226.77
8.3.80.0100.00018.55
8.3.70.0230.00716.21
8.3.60.0190.00318.55
8.3.50.0100.00317.39
8.3.40.0180.00318.79
8.3.30.0140.00018.71
8.3.20.0040.00421.89
8.3.10.0040.00420.61
8.3.00.0050.00317.50
8.2.300.0140.00622.10
8.2.290.0090.01020.37
8.2.280.0120.00918.23
8.2.270.0110.00718.76
8.2.260.0140.00316.67
8.2.250.0040.00416.54
8.2.240.0060.00317.05
8.2.230.0080.00020.94
8.2.220.0040.00437.54
8.2.210.0080.00026.77
8.2.200.0070.00318.29
8.2.190.0120.00316.71
8.2.180.0120.00616.38
8.2.170.0110.01122.96
8.2.160.0070.00720.35
8.2.150.0120.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00019.82
8.2.110.0080.00321.00
8.2.100.0060.00617.66
8.2.90.0000.00718.34
8.2.80.0000.00817.97
8.2.70.0030.00518.04
8.2.60.0000.00918.22
8.2.50.0000.00818.10
8.2.40.0080.00019.47
8.2.30.0040.00419.21
8.2.20.0040.00418.02
8.2.10.0000.00719.54
8.2.00.0070.00018.18
8.1.340.0110.01017.75
8.1.330.0130.00522.02
8.1.320.0140.00916.20
8.1.310.0080.00016.72
8.1.300.0100.01018.23
8.1.290.0090.00030.84
8.1.280.0150.00625.92
8.1.270.0050.00220.32
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.01023.86
8.1.230.0070.00420.89
8.1.220.0000.00917.78
8.1.210.0030.00519.04
8.1.200.0000.00817.48
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0000.00818.65
8.1.160.0040.00418.76
8.1.150.0000.00818.93
8.1.140.0050.00318.93
8.1.130.0030.00321.82
8.1.120.0040.00417.39
8.1.110.0030.00517.48
8.1.100.0000.01017.47
8.1.90.0000.00717.36
8.1.80.0000.00717.39
8.1.70.0000.00717.43
8.1.60.0070.00317.55
8.1.50.0040.00417.39
8.1.40.0050.00517.48
8.1.30.0040.00417.54
8.1.20.0030.00517.51
8.1.10.0070.00317.51
8.1.00.0070.00017.50
8.0.300.0080.00019.90
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0030.00317.26
8.0.260.0030.00318.43
8.0.250.0040.00416.94
8.0.240.0040.00417.00
8.0.230.0030.00316.94
8.0.220.0000.00816.88
8.0.210.0000.00716.76
8.0.200.0000.00716.94
8.0.190.0060.00316.94
8.0.180.0030.00616.97
8.0.170.0000.00816.80
8.0.160.0070.00016.86
8.0.150.0030.00616.73
8.0.140.0040.00416.80
8.0.130.0060.00013.29
8.0.120.0050.00316.88
8.0.110.0000.00716.80
8.0.100.0040.00416.83
8.0.90.0000.00716.92
8.0.80.0070.00916.88
8.0.70.0050.00216.94
8.0.60.0000.00716.70
8.0.50.0050.00216.75
8.0.30.0100.00617.25
8.0.20.0130.01016.82
8.0.10.0040.00416.89
8.0.00.0120.00616.73
7.4.330.0040.00015.55
7.4.320.0070.00016.60
7.4.300.0070.00016.50
7.4.290.0030.00316.63
7.4.280.0030.00516.50
7.4.270.0000.00716.59
7.4.260.0040.00416.57
7.4.250.0040.00416.60
7.4.240.0000.00716.53
7.4.230.0030.00316.60
7.4.220.0000.00716.52
7.4.210.0050.00916.61
7.4.200.0030.00316.67
7.4.160.0100.00816.49
7.4.140.0160.00817.86
7.4.130.0110.00716.59
7.4.120.0000.01816.48
7.4.110.0060.01216.31
7.4.100.0140.00416.50
7.4.90.0110.00716.39
7.4.80.0070.01119.39
7.4.70.0090.00616.42
7.4.60.0080.00816.48
7.4.50.0130.00316.14
7.4.40.0070.01116.29
7.4.00.0030.01215.12
7.3.330.0030.00313.09
7.3.320.0030.00313.07
7.3.310.0000.00716.15
7.3.300.0050.00216.30
7.3.290.0050.00216.36
7.3.280.0100.00516.30
7.3.260.0110.00916.45
7.3.240.0120.00716.42
7.3.230.0080.00816.61
7.3.210.0100.00716.39
7.3.200.0140.00716.46
7.3.190.0000.01916.53
7.3.180.0040.01416.32
7.3.170.0110.01116.35
7.3.160.0040.01916.32
7.3.10.8780.01014.80
7.3.00.8390.00814.69
7.2.330.0120.00816.90
7.2.320.0030.01616.71
7.2.310.0070.01116.74
7.2.300.0110.00616.70
7.2.290.0060.01716.67
7.2.130.4170.00714.79
7.2.120.1700.01214.82
7.2.110.0240.01014.93
7.2.100.5350.01214.86
7.2.90.9320.00514.88
7.2.80.4420.00314.81
7.2.70.5250.00714.95
7.2.60.5280.00814.99
7.2.50.5450.00215.00
7.2.40.7620.01114.84
7.2.30.7310.00814.74
7.2.20.2410.00414.82
7.2.10.6880.00814.83
7.2.00.0610.00915.06
7.1.250.3040.00613.60

preferences:
114.77 ms | 1407 KiB | 5 Q