3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [ 'val1' => 12, 'val2' => 13, 'val3' => 14, ]; $a2 = [ 'val1' => 4, 'val2' => 5, 'val4' => 6, ]; print_r($a1, $a2);

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)
8.3.60.0150.00018.68
8.3.50.0110.00716.38
8.3.40.0070.00718.84
8.3.30.0120.00318.80
8.3.20.0050.00321.92
8.3.10.0040.00421.03
8.3.00.0070.00018.89
8.2.180.0120.00318.54
8.2.170.0140.00722.96
8.2.160.0030.01020.36
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00421.00
8.2.120.0030.00326.35
8.2.110.0030.00621.00
8.2.100.0090.00317.82
8.2.90.0000.00819.07
8.2.80.0060.00317.97
8.2.70.0050.00317.50
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0000.00820.52
8.2.30.0050.00219.03
8.2.20.0070.00017.86
8.2.10.0040.00418.06
8.2.00.0000.00817.91
8.1.280.0060.00925.92
8.1.270.0030.00522.19
8.1.260.0100.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.72
8.1.230.0040.00722.31
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0060.00317.13
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0070.00018.72
8.1.150.0040.00420.13
8.1.140.0060.00319.43
8.1.130.0070.00318.78
8.1.120.0000.00917.25
8.1.110.0030.00517.45
8.1.100.0000.00717.29
8.1.90.0070.00017.26
8.1.80.0050.00317.38
8.1.70.0000.00717.38
8.1.60.0000.00817.52
8.1.50.0080.00017.49
8.1.40.0030.00617.39
8.1.30.0000.00817.63
8.1.20.0030.00617.63
8.1.10.0040.00417.47
8.1.00.0000.00717.55
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0030.00318.32
8.0.270.0030.00517.18
8.0.260.0030.00318.71
8.0.250.0000.00616.96
8.0.240.0040.00416.90
8.0.230.0000.00616.82
8.0.220.0030.00316.88
8.0.210.0030.00316.89
8.0.200.0040.00416.95
8.0.190.0000.00716.88
8.0.180.0000.00816.88
8.0.170.0040.00416.85
8.0.160.0030.00516.90
8.0.150.0080.00316.81
8.0.140.0020.00516.81
8.0.130.0030.00313.31
8.0.120.0040.00416.73
8.0.110.0000.00816.88
8.0.100.0040.00416.86
8.0.90.0030.00516.82
8.0.80.0040.01216.82
8.0.70.0040.00416.75
8.0.60.0000.00716.94
8.0.50.0000.00716.67
8.0.30.0120.00817.02
8.0.20.0130.00817.40
8.0.10.0060.00317.03
8.0.00.0160.00316.89
7.4.330.0000.00515.55
7.4.320.0030.00316.43
7.4.300.0000.00616.43
7.4.290.0030.00316.54
7.4.280.0040.00416.49
7.4.270.0040.00416.53
7.4.260.0040.00416.50
7.4.250.0000.00816.41
7.4.240.0070.00016.53
7.4.230.0020.00516.32
7.4.220.0120.00616.31
7.4.210.0080.00716.45
7.4.200.0030.00316.34
7.4.160.0090.00816.48
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0170.00716.52
7.4.120.0120.00916.43
7.4.110.0090.00616.35
7.4.100.0120.01216.45
7.4.90.0210.00316.41
7.4.80.0110.00519.39
7.4.70.0100.00616.52
7.4.60.0060.01016.26
7.4.50.0100.00716.25
7.4.40.0130.00416.33
7.4.30.0100.01016.54
7.4.00.0060.00614.96
7.3.330.0000.00513.08
7.3.320.0000.00512.94
7.3.310.0000.00716.31
7.3.300.0030.00316.17
7.3.290.0000.00716.22
7.3.280.0080.00816.20
7.3.270.0200.00017.40
7.3.260.0060.01116.34
7.3.250.0100.00816.19
7.3.240.0100.00916.28
7.3.230.0100.00616.46
7.3.210.0070.01116.32
7.3.200.0090.00616.34
7.3.190.0030.01216.28
7.3.180.0120.00916.29
7.3.170.0060.01316.38
7.3.160.0130.00316.22
7.3.10.0070.00716.57
7.3.00.0100.00316.37
7.2.330.0100.00716.10
7.2.320.0030.01716.58
7.2.310.0130.00316.45
7.2.300.0110.01216.55
7.2.290.0060.01216.38
7.2.130.0040.01416.54
7.2.120.0080.00816.77
7.2.110.0130.00716.39
7.2.100.0140.00016.68
7.2.90.0070.00716.48
7.2.80.0060.00916.82
7.2.70.0000.01516.48
7.2.60.0080.00916.39
7.2.50.0070.01016.54
7.2.40.0040.01216.58
7.2.30.0030.00616.71
7.2.20.0070.00416.59
7.2.10.0060.00616.39
7.2.00.0090.00316.43
7.1.250.0060.00615.72
7.1.200.0030.01015.28
7.1.90.0090.00318.02
7.1.80.0100.00617.96
7.1.70.0080.00517.13
7.1.60.0060.01935.00
7.1.50.0170.00734.53
7.1.40.0130.01334.37
7.1.30.0130.01334.27
7.1.20.0110.01534.67
7.1.10.0030.00916.45
7.1.00.0040.00816.55
7.0.230.0030.00917.82
7.0.220.0000.01517.62
7.0.210.0090.00316.45
7.0.200.0090.00316.54
7.0.190.0040.00816.44
7.0.180.0070.00716.06
7.0.170.0040.00816.21
7.0.160.0030.00916.23
7.0.150.0040.00816.22
7.0.140.0040.00816.14
7.0.130.0080.00316.61
7.0.120.0070.00416.37
7.0.110.0030.00916.17
7.0.100.0030.00916.30
7.0.90.0060.00616.17
7.0.80.0000.01216.23
7.0.70.0060.00616.15
7.0.60.0030.00916.08
7.0.50.0060.00616.23
7.0.40.0090.00316.52
7.0.30.0000.01216.66
7.0.20.0000.01216.45
7.0.10.0060.00616.35
7.0.00.0060.00616.16

preferences:
63.46 ms | 401 KiB | 5 Q