3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [ 1 => 'foo', 3 => 'bar', ]; var_dump(array_merge(['' => ''], $foo));

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)
8.3.60.0090.00618.43
8.3.50.0070.00716.34
8.3.40.0040.01118.45
8.3.30.0100.00618.23
8.3.20.0040.00420.66
8.3.10.0050.00221.71
8.3.00.0070.00319.55
8.2.180.0160.00616.63
8.2.170.0120.00622.96
8.2.160.0080.01220.42
8.2.150.0140.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00420.21
8.2.120.0040.00426.35
8.2.110.0070.00320.29
8.2.100.0040.00817.91
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0030.00517.93
8.2.50.0030.00618.10
8.2.40.0040.00420.42
8.2.30.0040.00421.08
8.2.20.0070.00017.89
8.2.10.0000.00817.86
8.2.00.0080.00018.04
8.1.280.0140.00725.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00320.91
8.1.230.0040.00719.16
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.22
8.1.190.0030.00617.23
8.1.180.0070.00018.10
8.1.170.0050.00518.37
8.1.160.0040.00418.93
8.1.150.0000.00718.78
8.1.140.0060.00619.51
8.1.130.0000.00718.83
8.1.120.0040.00417.41
8.1.110.0000.00817.32
8.1.100.0040.00417.29
8.1.90.0030.00517.39
8.1.80.0000.00717.39
8.1.70.0050.00217.27
8.1.60.0060.00317.47
8.1.50.0000.00717.34
8.1.40.0000.00817.45
8.1.30.0000.00817.47
8.1.20.0030.00917.52
8.1.10.0030.00617.45
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.36
8.0.270.0030.00317.11
8.0.260.0030.00316.71
8.0.250.0000.00716.93
8.0.240.0000.00716.78
8.0.230.0000.00716.84
8.0.220.0000.00716.82
8.0.210.0030.00316.80
8.0.200.0060.00016.77
8.0.190.0040.00416.85
8.0.180.0050.00216.73
8.0.170.0000.00716.82
8.0.160.0070.00016.80
8.0.150.0070.00016.81
8.0.140.0070.00016.66
8.0.130.0030.00313.21
8.0.120.0040.00416.69
8.0.110.0040.00416.65
8.0.100.0000.00716.75
8.0.90.0040.00416.94
8.0.80.0110.00916.74
8.0.70.0020.00516.88
8.0.60.0070.00016.88
8.0.50.0040.00416.86
8.0.30.0090.00916.82
8.0.20.0110.00917.40
8.0.10.0040.00416.80
8.0.00.0070.01016.73
7.4.330.0020.00215.55
7.4.320.0040.00416.45
7.4.300.0030.00316.35
7.4.290.0070.00316.33
7.4.280.0040.00416.52
7.4.270.0030.00316.51
7.4.260.0000.00813.16
7.4.250.0000.00716.54
7.4.240.0030.00516.43
7.4.230.0020.00516.34
7.4.220.0120.00916.45
7.4.210.0040.01116.54
7.4.200.0030.00316.28
7.4.160.0090.00716.37
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0170.00616.41
7.4.120.0110.00916.40
7.4.110.0070.01016.41
7.4.100.0200.00316.12
7.4.90.0060.01516.34
7.4.80.0100.01019.39
7.4.70.0100.00716.42
7.4.60.0080.00816.64
7.4.50.0100.00316.40
7.4.40.0060.01016.34
7.4.30.0060.00916.31
7.4.00.0090.00914.91
7.3.330.0000.00513.05
7.3.320.0050.00013.10
7.3.310.0000.00716.23
7.3.300.0000.00716.18
7.3.290.0050.01016.13
7.3.280.0080.00716.15
7.3.270.0130.00317.40
7.3.260.0120.00516.18
7.3.250.0080.01016.16
7.3.240.0100.00816.43
7.3.230.0040.01416.39
7.3.210.0100.00716.54
7.3.200.0060.01316.22
7.3.190.0080.00816.43
7.3.180.0030.01316.05
7.3.170.0090.00916.29
7.3.160.0060.00916.08
7.3.120.0050.01414.60
7.3.110.0050.01314.50
7.3.100.0030.01014.70
7.3.90.0050.01114.63
7.3.80.0090.00414.48
7.3.70.0070.00814.59
7.3.60.0100.00414.48
7.3.50.0030.00814.68
7.3.40.0070.00714.63
7.3.30.0050.00814.67
7.3.20.0060.00916.43
7.3.10.0030.01016.41
7.3.00.0080.00416.44
7.2.330.0090.00916.30
7.2.320.0060.01016.18
7.2.310.0090.00816.60
7.2.300.0090.00916.64
7.2.290.0100.00716.29
7.2.250.0090.00915.02
7.2.240.0080.00814.98
7.2.230.0050.01014.84
7.2.220.0040.01114.82
7.2.210.0050.00914.84
7.2.200.0060.00814.98
7.2.190.0040.00714.68
7.2.180.0070.00714.83
7.2.170.0090.00514.88
7.2.60.0090.00616.74
7.1.330.0060.00715.65
7.1.320.0050.00815.81
7.1.310.0050.00715.64
7.1.300.0080.00515.63
7.1.290.0080.00315.78
7.1.280.0080.00715.58
7.1.270.0060.00515.64
7.1.260.0020.00915.77
7.1.200.0120.00315.68
7.1.70.0030.00316.91
7.1.60.0970.01733.22
7.1.50.0600.02332.93
7.1.40.0670.01732.57
7.1.30.0700.01732.24
7.1.20.0530.01332.80
7.1.10.0570.01014.52
7.1.00.0100.01014.69
7.0.200.0600.00714.77
7.0.190.0530.01314.88
7.0.180.0570.01714.45
7.0.170.0500.02014.22
7.0.160.0570.01314.30
7.0.150.0100.01014.13
7.0.140.0670.01714.41
7.0.130.0700.01014.76
7.0.120.0670.01314.33
7.0.110.0670.01714.37
7.0.100.0270.00714.30
7.0.90.0600.01314.35
7.0.80.0030.02014.34
7.0.70.0670.01314.30
7.0.60.0630.01314.23
7.0.50.0830.00714.37
7.0.40.0730.01014.61
7.0.30.0730.02314.66
7.0.20.0670.02014.36
7.0.10.0800.01714.55
7.0.00.0900.01314.28

preferences:
30.4 ms | 400 KiB | 5 Q