3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ['one' => 1, 'two' => 2]; $bar = ['one' => 101, 'two' => 201]; $baz = array_merge($foo, $bar); var_dump($baz);

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)
8.3.60.0070.01116.38
8.3.50.0070.00716.13
8.3.40.0100.01021.69
8.3.30.0030.01218.50
8.3.20.0040.00424.18
8.3.10.0100.00724.66
8.3.00.0040.00426.16
8.2.180.0150.00625.92
8.2.170.0130.00318.79
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0100.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.66
8.2.110.0060.00322.06
8.2.100.0060.00619.32
8.2.90.0000.00917.50
8.2.80.0050.00318.78
8.2.70.0000.00817.50
8.2.60.0040.00417.50
8.2.50.0070.00318.05
8.2.40.0080.00018.16
8.2.30.0070.00017.91
8.2.20.0000.00717.85
8.2.10.0040.00419.22
8.2.00.0030.00519.16
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.89
8.1.230.0070.00317.77
8.1.220.0040.00417.80
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0000.00819.36
8.1.170.0030.00718.53
8.1.160.0050.00318.75
8.1.150.0040.00418.82
8.1.140.0000.00718.88
8.1.130.0030.00320.30
8.1.120.0040.00417.36
8.1.110.0060.00317.43
8.1.100.0040.00417.31
8.1.90.0070.00017.37
8.1.80.0000.00817.27
8.1.70.0070.00017.40
8.1.60.0000.00917.55
8.1.50.0070.00017.38
8.1.40.0080.00017.45
8.1.30.0040.00417.51
8.1.20.0030.00517.64
8.1.10.0000.00917.45
8.1.00.0030.00517.23
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0030.00318.41
8.0.270.0030.00317.94
8.0.260.0030.00320.22
8.0.250.0000.00716.89
8.0.240.0000.00916.84
8.0.230.0040.00416.88
8.0.220.0030.00316.81
8.0.210.0000.00716.68
8.0.200.0040.00416.77
8.0.190.0000.00816.80
8.0.180.0040.00416.81
8.0.170.0060.00616.75
8.0.160.0000.00816.84
8.0.150.0040.00416.85
8.0.140.0000.01016.67
8.0.130.0050.00013.31
8.0.120.0070.00016.79
8.0.110.0080.00016.80
8.0.100.0000.00716.93
8.0.90.0030.00516.90
8.0.80.0080.00916.77
8.0.70.0000.00816.64
8.0.60.0000.00816.68
8.0.50.0040.00416.71
8.0.30.0100.00717.04
8.0.20.0100.01016.98
8.0.10.0000.00816.82
8.0.00.0070.01116.84
7.4.330.0050.00015.55
7.4.320.0060.00016.45
7.4.300.0050.00316.37
7.4.290.0030.00316.48
7.4.280.0030.00816.52
7.4.270.0040.00416.50
7.4.260.0000.00513.10
7.4.250.0040.00416.46
7.4.240.0050.00216.41
7.4.230.0000.00716.35
7.4.220.0030.00316.33
7.4.210.0060.01016.37
7.4.200.0070.00016.28
7.4.130.0090.00916.36
7.4.120.0160.00616.34
7.4.110.0090.01216.29
7.4.100.0070.02116.35
7.4.90.0070.02116.05
7.4.80.0180.00316.28
7.4.70.0200.00316.14
7.4.60.0050.01416.11
7.4.50.0110.01216.29
7.4.40.0160.01016.25
7.4.30.0130.01116.16
7.4.20.0110.01316.10
7.4.10.0160.00816.18
7.4.00.0050.01416.50
7.3.330.0000.00715.99
7.3.320.0050.00012.87
7.3.310.0070.00016.27
7.3.300.0060.00016.08
7.3.290.0050.01216.16
7.3.260.0100.00616.30
7.3.240.0290.00516.05
7.3.230.0150.00916.21
7.3.220.0270.00016.28
7.3.210.0090.01416.30
7.3.200.0110.01116.04
7.3.190.0070.01316.15
7.3.180.0100.01016.31
7.3.170.0210.00316.25
7.3.160.0120.01216.12
7.3.150.0150.00816.20
7.3.140.0090.01316.32
7.3.130.0080.01615.93
7.3.120.0140.01116.27
7.3.110.0050.01615.92
7.3.100.0110.01416.06
7.3.90.0090.00916.09
7.3.80.0150.01116.12
7.3.70.0130.01016.28
7.3.60.0150.00716.32
7.3.50.0120.01416.07
7.3.40.0120.01216.21
7.3.30.0060.01215.99
7.3.20.0140.00616.19
7.3.10.0100.01316.21
7.3.00.0140.00816.23
7.2.340.0070.01616.18
7.2.330.0030.02016.50
7.2.320.0200.00516.36
7.2.310.0130.01016.57
7.2.300.0100.01416.44
7.2.290.0130.00816.53
7.2.280.0160.01116.31
7.2.270.0170.00316.18
7.2.260.0180.00416.43
7.2.250.0130.01116.30
7.2.240.0050.01916.23
7.2.230.0090.01516.61
7.2.220.0120.01216.36
7.2.210.0160.00616.39
7.2.200.0100.01416.44
7.2.190.0160.00916.51
7.2.180.0150.01116.32
7.2.170.0070.01716.46
7.2.160.0070.01416.30
7.2.150.0160.01016.59
7.2.140.0030.02316.50
7.2.130.0100.01416.43
7.2.120.0140.00716.50
7.2.110.0120.01216.38
7.2.100.0100.01016.43
7.2.90.0210.00316.34
7.2.80.0090.01216.62
7.2.70.0120.01116.63
7.2.60.0030.02416.64
7.2.50.0140.00916.47
7.2.40.0280.00816.41
7.2.30.0180.01216.51
7.2.20.0070.02016.54
7.2.10.0130.01316.41
7.2.00.0550.00716.41

preferences:
37.84 ms | 400 KiB | 5 Q