3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [0 => 'foo']; $b = [1 => 'bar']; var_dump($a + $b);

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)
8.3.60.0040.01118.43
8.3.50.0110.00318.06
8.3.40.0070.00718.67
8.3.30.0150.00018.42
8.3.20.0070.00020.24
8.3.10.0000.00823.61
8.3.00.0030.00619.85
8.2.180.0060.00918.16
8.2.170.0070.00722.96
8.2.160.0070.01020.52
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0020.00521.00
8.2.120.0050.00226.35
8.2.110.0040.00722.31
8.2.100.0110.00019.21
8.2.90.0060.00317.72
8.2.80.0040.00419.29
8.2.70.0040.00417.91
8.2.60.0050.00317.90
8.2.50.0040.00418.22
8.2.40.0030.00522.20
8.2.30.0000.00719.47
8.2.20.0000.00717.94
8.2.10.0030.00717.94
8.2.00.0000.00718.27
8.1.280.0090.00625.92
8.1.270.0080.00020.43
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0040.00423.88
8.1.230.0080.00420.88
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0000.00917.23
8.1.190.0000.00817.11
8.1.180.0030.00518.10
8.1.170.0080.00018.50
8.1.160.0090.00018.68
8.1.150.0020.00520.20
8.1.140.0040.00417.63
8.1.130.0000.00720.62
8.1.120.0000.00717.39
8.1.110.0030.00517.30
8.1.100.0040.00417.30
8.1.90.0100.00017.30
8.1.80.0000.00817.34
8.1.70.0000.00717.39
8.1.60.0090.00017.47
8.1.50.0030.00617.33
8.1.40.0000.00817.45
8.1.30.0030.00617.40
8.1.20.0030.00517.48
8.1.10.0090.00317.48
8.1.00.0000.00817.28
8.0.300.0040.00420.04
8.0.290.0070.00016.58
8.0.280.0030.00318.29
8.0.270.0070.00017.18
8.0.260.0000.00816.80
8.0.250.0030.00316.97
8.0.240.0030.00316.98
8.0.230.0000.00816.93
8.0.220.0000.00716.75
8.0.210.0030.00316.92
8.0.200.0080.00016.80
8.0.190.0030.00616.91
8.0.180.0000.00816.88
8.0.170.0090.00016.91
8.0.160.0070.00016.77
8.0.150.0030.00316.79
8.0.140.0000.00716.75
8.0.130.0070.00013.28
8.0.120.0040.00416.72
8.0.110.0000.00716.86
8.0.100.0030.00516.85
8.0.90.0000.00716.94
8.0.80.0030.01316.88
8.0.70.0070.00016.72
8.0.60.0040.00416.91
8.0.50.0040.00416.75
8.0.30.0090.01116.89
8.0.20.0100.00817.40
8.0.10.0030.00316.86
8.0.00.0140.00316.73
7.4.330.0050.00015.55
7.4.320.0000.00616.57
7.4.300.0060.00016.44
7.4.290.0040.00216.38
7.4.280.0040.00416.37
7.4.270.0000.00816.33
7.4.260.0040.00316.34
7.4.250.0030.00316.46
7.4.240.0040.00416.36
7.4.230.0030.00316.50
7.4.220.0000.00816.52
7.4.210.0030.01216.55
7.4.200.0070.00016.32
7.4.160.0110.00416.41
7.4.150.0030.01417.40
7.4.140.0120.01017.86
7.4.130.0110.00716.47
7.4.120.0120.00716.30
7.4.110.0030.01416.32
7.4.100.0130.00716.33
7.4.90.0070.01716.23
7.4.80.0030.01919.39
7.4.70.0160.00616.44
7.4.60.0090.00616.22
7.4.50.0090.00616.35
7.4.40.0120.00316.54
7.4.00.0060.00814.92
7.3.330.0000.00513.04
7.3.320.0000.00613.07
7.3.310.0060.00016.07
7.3.300.0030.00316.07
7.3.290.0080.00816.17
7.3.280.0050.01216.21
7.3.270.0140.00517.40
7.3.260.0130.00616.21
7.3.250.0120.00616.33
7.3.240.0120.00816.27
7.3.230.0120.00316.59
7.3.210.0100.00716.09
7.3.200.0150.00316.07
7.3.190.0140.00316.36
7.3.180.0030.01316.25
7.3.170.0090.00616.20
7.3.160.0120.00616.26
7.2.330.0060.01616.53
7.2.320.0060.01016.58
7.2.310.0070.01016.67
7.2.300.0090.00916.56
7.2.290.0130.00316.53
7.2.110.0180.01115.95
7.2.60.0090.00616.66
7.2.10.0330.01217.62
7.2.00.0290.01017.34
7.1.200.0000.01315.78
7.1.130.0300.00916.20
7.1.120.0480.00616.64
7.1.110.0310.01015.51
7.1.100.0280.00915.59
7.1.90.0440.00716.19
7.1.80.0340.00716.13
7.1.70.0400.00715.33
7.1.60.0360.01333.10
7.1.50.0570.01332.96
7.1.40.0830.01332.42
7.1.30.0590.00732.62
7.1.20.0590.01732.52
7.1.10.0280.00914.66
7.1.00.0290.00714.65

preferences:
68.13 ms | 401 KiB | 5 Q