3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = [54545=>[2,3,5,7], 'grtgtr'=>[1,2,7,8]]; $ar2 = [54545=>[2,3], 'grtgtr'=>[1,2]]; foreach($ar1 as $key=>&$subar){ $subar = array_merge($subar,$ar2[$key]); } print_r($ar1);

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)
8.4.120.0090.00420.53
8.4.110.0140.00717.55
8.4.100.0050.00417.79
8.4.90.0150.00520.53
8.4.80.0050.00318.86
8.4.70.0040.00618.97
8.4.60.0120.00818.44
8.4.50.0100.01024.04
8.4.40.0120.00317.62
8.4.30.0110.01118.60
8.4.20.0130.00619.51
8.4.10.0160.00319.24
8.3.250.0110.00718.73
8.3.240.0070.01116.73
8.3.230.0130.00616.80
8.3.220.0040.00419.05
8.3.210.0100.00818.61
8.3.200.0040.00516.50
8.3.190.0080.00317.05
8.3.180.0100.00818.85
8.3.170.0160.00316.29
8.3.160.0060.01317.01
8.3.150.0140.00419.02
8.3.140.0040.00420.57
8.3.130.0030.00618.42
8.3.120.0070.00418.98
8.3.110.0030.00620.94
8.3.100.0040.00424.06
8.3.90.0120.00326.77
8.3.80.0060.00317.97
8.3.70.0040.01116.50
8.3.60.0110.01116.38
8.3.50.0080.01024.54
8.3.40.0150.00620.14
8.3.30.0040.01118.59
8.3.20.0080.00020.77
8.3.10.0050.00320.27
8.3.00.0060.00320.49
8.2.290.0150.00616.73
8.2.280.0130.00620.24
8.2.270.0100.01016.53
8.2.260.0080.00016.54
8.2.250.0080.00018.51
8.2.240.0070.01117.28
8.2.230.0000.01022.58
8.2.220.0080.00837.54
8.2.210.0060.00326.77
8.2.200.0060.00316.63
8.2.190.0110.00316.58
8.2.180.0090.00916.50
8.2.170.0120.00322.96
8.2.160.0110.00420.97
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00726.16
8.2.110.0040.00420.57
8.2.100.0080.00320.01
8.2.90.0000.00817.75
8.2.80.0000.00818.77
8.2.70.0040.00418.05
8.2.60.0000.00818.16
8.2.50.0060.00318.10
8.2.40.0030.00619.47
8.2.30.0020.00519.24
8.2.20.0040.00417.92
8.2.10.0000.00719.18
8.2.00.0030.00319.16
8.1.330.0130.00616.25
8.1.320.0120.00717.60
8.1.310.0070.01016.82
8.1.300.0060.01317.51
8.1.290.0060.00318.88
8.1.280.0110.01125.92
8.1.270.0050.00320.70
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.82
8.1.230.0070.00721.04
8.1.220.0000.00817.88
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0000.00817.35
8.1.180.0050.00319.03
8.1.170.0050.00318.65
8.1.160.0070.00018.89
8.1.150.0000.00818.80
8.1.140.0040.00418.88
8.1.130.0040.00421.84
8.1.120.0050.00217.46
8.1.110.0040.00417.35
8.1.100.0000.00717.44
8.1.90.0000.01017.45
8.1.80.0040.00417.43
8.1.70.0000.00717.46
8.1.60.0050.00317.55
8.1.50.0080.00017.55
8.1.40.0000.00817.54
8.1.30.0080.00017.66
8.1.20.0020.00517.54
8.1.10.0050.00317.51
8.1.00.0060.00317.43
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0050.00218.50
8.0.270.0050.00316.73
8.0.260.0080.00020.05
8.0.250.0060.00016.96
8.0.240.0000.00717.00
8.0.230.0000.00816.84
8.0.220.0070.00016.91
8.0.210.0030.00316.88
8.0.200.0030.00316.95
8.0.190.0040.00416.99
8.0.180.0000.00816.81
8.0.170.0060.00616.76
8.0.160.0040.00416.90
8.0.150.0000.00716.77
8.0.140.0070.00016.81
8.0.130.0000.00613.38
8.0.120.0050.00316.87
8.0.110.0040.00416.91
8.0.100.0030.00516.92
8.0.90.0030.00616.95
8.0.80.0080.00716.89
8.0.70.0000.00716.82
8.0.60.0040.00416.87
8.0.50.0040.00416.92
8.0.30.0070.01017.17
8.0.20.0150.00317.00
8.0.10.0040.00417.04
8.0.00.0040.01516.67
7.4.330.0000.00515.55
7.4.320.0000.00616.50
7.4.300.0080.00016.50
7.4.290.0040.00416.59
7.4.280.0050.00316.48
7.4.270.0030.00316.51
7.4.260.0000.00513.28
7.4.250.0030.00316.53
7.4.240.0000.00716.60
7.4.230.0030.00316.60
7.4.220.0040.00416.27
7.4.210.0070.01116.50
7.4.200.0070.00016.59
7.4.130.0100.01016.51
7.4.120.0030.01316.43
7.4.110.0040.01516.38
7.4.100.0210.00016.71
7.4.90.0160.00616.50
7.4.80.0070.01019.39
7.4.70.0140.00716.41
7.4.60.0090.00616.54
7.4.50.0070.01116.55
7.4.40.0030.01216.53
7.4.30.0090.00916.25
7.4.20.0060.01016.21
7.4.10.0120.00616.29
7.4.00.0100.01016.26
7.3.330.0030.00316.10
7.3.320.0060.00013.20
7.3.310.0030.00316.10
7.3.300.0070.00016.14
7.3.290.0050.01116.24
7.3.280.0070.01016.28
7.3.260.0100.01016.45
7.3.240.0100.00716.50
7.3.230.0110.01116.22
7.3.210.0160.00016.63
7.3.200.0130.01016.60
7.3.190.0100.00716.26
7.3.180.0090.00616.48
7.3.170.0130.00316.58
7.3.160.0100.00616.43
7.3.150.0090.00916.55
7.3.140.0060.01116.21
7.3.130.0140.00416.36
7.3.120.0130.00316.32
7.3.110.0060.01316.35
7.3.100.0100.00716.34
7.3.90.0080.00816.34
7.3.80.0080.01116.17
7.3.70.0070.01516.43
7.3.60.0120.00916.15
7.3.50.0000.01716.45
7.3.40.0150.00616.38
7.3.30.0140.00716.21
7.3.20.0110.00716.24
7.3.10.0130.01316.27
7.3.00.0130.00316.41
7.2.330.0160.00816.86
7.2.320.0110.01116.54
7.2.310.0130.01016.58
7.2.300.0090.00916.46
7.2.290.0100.00716.66
7.2.280.0100.01016.56
7.2.270.0110.00516.66
7.2.260.0090.00916.68
7.2.250.0060.01116.62
7.2.240.0070.01016.52
7.2.230.0030.01416.47
7.2.220.0060.01216.43
7.2.210.0110.00916.67
7.2.200.0120.00916.42
7.2.190.0130.00816.53
7.2.180.0030.01316.56
7.2.170.0100.01316.58
7.2.160.0060.01216.58
7.2.150.0140.01116.54
7.2.140.0100.00616.52
7.2.130.0030.01316.70
7.2.120.0070.01016.60
7.2.110.0230.01016.61
7.2.100.0130.01016.66
7.2.90.0120.01216.76
7.2.80.0090.01516.63
7.2.70.0140.01016.58
7.2.60.0040.02016.73
7.2.50.0100.01316.72
7.2.40.0090.00916.54
7.2.30.0100.00616.77
7.2.20.0060.01116.55
7.2.10.0070.01016.62
7.2.00.0060.01016.65

preferences:
29.19 ms | 403 KiB | 5 Q