3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'Arvind' => 'Basu', 'Rampal' => 'Singh' ]; $b = [ 'Anjali' => 'Basu', 'Roopashri' => 'Singh' ]; $c = array_merge($a, $b); ksort($c); echo print_r($c);

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)
8.4.140.0150.00617.20
8.4.130.0080.00917.80
8.4.120.0120.00820.55
8.4.110.0120.00820.71
8.4.100.0140.00717.57
8.4.90.0100.01020.13
8.4.80.0130.00720.75
8.4.70.0060.00318.82
8.4.60.0050.00418.58
8.4.50.0110.01018.41
8.4.40.0160.00319.26
8.4.30.0090.00320.47
8.4.20.0030.00619.66
8.4.10.0040.00417.69
8.3.270.0140.00516.61
8.3.260.0090.00816.43
8.3.250.0060.01218.64
8.3.240.0130.00516.75
8.3.230.0130.00616.45
8.3.220.0090.00920.76
8.3.210.0130.00616.42
8.3.200.0120.00716.68
8.3.190.0100.00818.80
8.3.180.0130.00518.64
8.3.170.0040.00420.73
8.3.160.0080.00417.29
8.3.150.0070.00716.51
8.3.140.0100.01016.88
8.3.130.0080.00018.21
8.3.120.0060.00318.82
8.3.110.0130.00716.65
8.3.100.0090.00616.46
8.3.90.0040.00426.77
8.3.80.0030.00616.43
8.3.70.0030.01516.58
8.3.60.0090.00618.43
8.3.50.0100.00324.34
8.3.40.0130.00718.54
8.3.30.0060.01018.64
8.3.20.0000.00822.67
8.3.10.0040.00420.08
8.3.00.0040.00420.33
8.2.290.0130.00720.48
8.2.280.0090.01118.36
8.2.270.0060.01216.73
8.2.260.0090.00916.36
8.2.250.0050.00316.67
8.2.240.0130.00618.43
8.2.230.0060.00320.94
8.2.220.0100.00024.06
8.2.210.0080.00826.77
8.2.200.0110.00316.38
8.2.190.0130.00716.58
8.2.180.0030.01716.63
8.2.170.0110.00422.96
8.2.160.0070.00722.12
8.2.150.0070.00324.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00020.69
8.2.110.0030.00620.33
8.2.100.0040.00717.91
8.2.90.0050.00317.91
8.2.80.0000.00719.46
8.2.70.0030.00617.50
8.2.60.0050.00317.50
8.2.50.0080.00017.50
8.2.40.0080.00019.35
8.2.30.0000.00817.59
8.2.20.0000.00718.11
8.2.10.0040.00418.74
8.2.00.0000.00719.24
8.1.330.0100.00916.69
8.1.320.0130.00716.01
8.1.310.0040.01115.84
8.1.300.0040.00415.84
8.1.290.0060.00318.88
8.1.280.0110.00425.92
8.1.270.0000.00923.90
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00619.21
8.1.230.0090.00320.96
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0000.00917.23
8.1.180.0080.00018.10
8.1.170.0080.00017.62
8.1.160.0050.00218.76
8.1.150.0050.00218.87
8.1.140.0030.00518.85
8.1.130.0030.00320.05
8.1.120.0000.00717.42
8.1.110.0040.00417.26
8.1.100.0040.00417.38
8.1.90.0030.00317.38
8.1.80.0040.00417.29
8.1.70.0000.00717.29
8.1.60.0000.00817.39
8.1.50.0030.00517.38
8.1.40.0060.00317.43
8.1.30.0050.00317.46
8.1.20.0030.00617.55
8.1.10.0030.00617.45
8.1.00.0000.00817.47
8.0.300.0000.00819.67
8.0.290.0030.00616.75
8.0.280.0040.00417.86
8.0.270.0040.00418.04
8.0.260.0030.00320.10
8.0.250.0030.00316.84
8.0.240.0030.00517.00
8.0.230.0080.00016.88
8.0.220.0030.00316.81
8.0.210.0070.00016.64
8.0.200.0030.00516.87
8.0.190.0060.00316.86
8.0.180.0050.00316.88
8.0.170.0030.00616.86
8.0.160.0040.00416.89
8.0.150.0030.00516.78
8.0.140.0030.00616.66
8.0.130.0000.00613.26
8.0.120.0030.00616.67
8.0.110.0000.00716.73
8.0.100.0000.00716.77
8.0.90.0060.00316.88
8.0.80.0100.01016.77
8.0.70.0040.00416.78
8.0.60.0000.00716.71
8.0.50.0040.00416.84
8.0.30.0100.00717.15
8.0.20.0120.00616.94
8.0.10.0050.00316.73
8.0.00.0090.00916.88
7.4.330.0000.00515.55
7.4.320.0000.00616.38
7.4.300.0030.00316.49
7.4.290.0000.00816.51
7.4.280.0000.00816.51
7.4.270.0000.00816.36
7.4.260.0000.00513.12
7.4.250.0040.00416.38
7.4.240.0010.00616.49
7.4.230.0040.00416.56
7.4.220.0050.00216.37
7.4.210.0060.00916.46
7.4.200.0030.00616.27
7.4.130.0100.00616.55
7.4.120.0090.00916.44
7.4.110.0070.01016.39
7.4.100.0130.01016.40
7.4.90.0080.00916.27
7.4.80.0130.00419.39
7.4.70.0160.00616.39
7.4.60.0100.00716.39
7.4.50.0090.00416.48
7.4.40.0060.01016.39
7.4.00.0060.00914.61
7.3.330.0030.00316.25
7.3.320.0050.00013.02
7.3.310.0030.00316.18
7.3.300.0030.00316.21
7.3.290.0000.00716.16
7.3.280.0030.01216.17
7.3.260.0090.00816.41
7.3.240.0100.01116.22
7.3.230.0000.01616.20
7.3.210.0120.00416.12
7.3.200.0150.00716.10
7.3.190.0080.00816.20
7.3.180.0080.00716.26
7.3.170.0100.01016.24
7.3.160.0100.00616.34
7.3.120.0140.00314.52
7.3.110.0040.01114.55
7.3.100.0070.01014.59
7.3.90.0050.00814.82
7.3.80.0090.00614.70
7.3.70.0100.00314.81
7.3.60.0120.00314.62
7.3.50.0090.00314.63
7.3.40.0090.00314.50
7.3.30.0030.01014.68
7.3.20.0040.01114.67
7.3.10.0090.00414.54
7.3.00.0090.00314.59
7.2.330.0100.00716.54
7.2.320.0130.00316.66
7.2.310.0100.00616.48
7.2.300.0130.00516.43
7.2.290.0120.00916.64
7.2.240.0060.00915.07
7.2.230.0030.01014.91
7.2.220.0030.01014.96
7.2.210.0040.01114.59
7.2.200.0090.00614.89
7.2.190.0130.00314.94
7.2.180.0080.00614.86
7.2.170.0090.01314.90
7.2.160.0070.00715.03
7.2.150.0060.00915.13
7.2.140.0070.00714.98
7.2.130.0090.00615.03
7.2.120.0030.01415.11
7.2.110.0100.00715.12
7.2.100.0140.00715.08
7.2.90.0080.01215.15
7.2.80.0060.00914.98
7.2.70.0030.01115.09
7.2.60.0080.00514.74
7.2.50.0150.00315.11
7.2.40.0060.01215.14
7.2.30.0110.00815.07
7.2.20.0090.00915.00
7.2.10.0100.00715.18
7.2.00.0060.01315.06
7.1.330.0090.00613.71
7.1.320.0090.00313.80
7.1.310.0030.01213.43
7.1.300.0150.00013.62
7.1.290.0080.00414.00
7.1.280.0100.00713.73
7.1.270.0100.00313.72
7.1.260.0110.00013.91
7.1.250.0060.00614.13

preferences:
142.41 ms | 403 KiB | 5 Q