3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tmp = array( 'q1' => 'qwqwqw', 'w2' => 'www', 'r3'=> 'eee', 'u8'=>'333e', ); $tmp = array_merge(array_slice($tmp,0,2, false), array('third' => 'ddddddddd'),array_slice($tmp,2)); var_dump($tmp);

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)
8.3.60.0150.00616.50
8.3.50.0070.00716.36
8.3.40.0140.00418.52
8.3.30.0030.01218.54
8.3.20.0050.00320.00
8.3.10.0040.00421.99
8.3.00.0040.00417.68
8.2.180.0140.00316.72
8.2.170.0070.01022.96
8.2.160.0030.01020.89
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0070.00020.58
8.2.120.0080.00026.35
8.2.110.0090.00021.12
8.2.100.0100.00017.79
8.2.90.0030.00517.82
8.2.80.0080.00017.97
8.2.70.0030.00617.38
8.2.60.0000.00918.03
8.2.50.0000.00818.10
8.2.40.0040.00422.23
8.2.30.0040.00419.13
8.2.20.0060.00317.93
8.2.10.0050.00318.30
8.2.00.0030.00318.15
8.1.280.0090.00625.92
8.1.270.0080.00022.08
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.82
8.1.230.0030.00721.04
8.1.220.0080.00017.74
8.1.210.0050.00519.98
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0000.00718.10
8.1.170.0000.00818.47
8.1.160.0000.00818.82
8.1.150.0080.00020.02
8.1.140.0000.00719.56
8.1.130.0070.00018.93
8.1.120.0040.00417.39
8.1.110.0040.00417.33
8.1.100.0050.00317.29
8.1.90.0080.00017.37
8.1.80.0030.00517.39
8.1.70.0030.00317.36
8.1.60.0030.00617.40
8.1.50.0050.00217.46
8.1.40.0050.00317.40
8.1.30.0000.00717.48
8.1.20.0040.00417.63
8.1.10.0040.00417.34
8.1.00.0060.00617.44
8.0.300.0060.00320.07
8.0.290.0000.00716.63
8.0.280.0000.00718.28
8.0.270.0000.00817.18
8.0.260.0000.00619.04
8.0.250.0000.00616.93
8.0.240.0000.00716.80
8.0.230.0060.00316.77
8.0.220.0000.00716.82
8.0.210.0030.00316.82
8.0.200.0050.00316.80
8.0.190.0070.00016.90
8.0.180.0000.00716.86
8.0.170.0000.00716.75
8.0.160.0040.00416.85
8.0.150.0000.00716.82
8.0.140.0110.00016.66
8.0.130.0030.00313.24
8.0.120.0060.00316.82
8.0.110.0040.00416.87
8.0.100.0000.00716.85
8.0.90.0000.00816.84
8.0.80.0040.01116.86
8.0.70.0020.00516.80
8.0.60.0040.00416.72
8.0.50.0050.00316.71
8.0.30.0090.00916.91
8.0.20.0130.00517.40
8.0.10.0050.00317.00
8.0.00.0110.00816.74
7.4.330.0050.00015.55
7.4.320.0000.00616.52
7.4.300.0000.00616.38
7.4.290.0070.00016.50
7.4.280.0050.00316.50
7.4.270.0030.00316.48
7.4.260.0030.00616.53
7.4.250.0080.00016.41
7.4.240.0070.00016.34
7.4.230.0040.00416.29
7.4.220.0100.00716.54
7.4.210.0100.00616.49
7.4.200.0030.00616.60
7.4.160.0080.01216.49
7.4.150.0060.01217.40
7.4.140.0100.00817.86
7.4.130.0120.00616.29
7.4.120.0100.01016.42
7.4.110.0130.00316.43
7.4.100.0150.00316.29
7.4.90.0120.00616.39
7.4.80.0090.00919.39
7.4.70.0120.00816.43
7.4.60.0030.01316.35
7.4.50.0140.00016.45
7.4.40.0040.01216.54
7.4.30.0040.01416.34
7.4.00.0060.00914.61
7.3.330.0030.00312.89
7.3.320.0000.00512.87
7.3.310.0000.00716.22
7.3.300.0000.00616.16
7.3.290.0030.00316.16
7.3.280.0070.01016.10
7.3.270.0070.01017.40
7.3.260.0090.01216.42
7.3.250.0130.01116.13
7.3.240.0080.00916.39
7.3.230.0080.00816.05
7.3.210.0120.00516.09
7.3.200.0120.01216.14
7.3.190.0030.01316.26
7.3.180.0150.00416.25
7.3.170.0080.00916.17
7.3.160.0070.00716.43
7.3.10.0030.01016.27
7.3.00.0070.00316.52
7.2.330.0130.00416.60
7.2.320.0070.01716.61
7.2.310.0090.00916.59
7.2.300.0090.01116.54
7.2.290.0130.00416.61
7.2.130.0100.00316.82
7.2.120.0070.00416.84
7.2.110.0080.00516.64
7.2.100.0000.01416.59
7.2.90.0000.01016.83
7.2.80.0060.00316.61
7.2.70.0110.00416.82
7.2.60.0080.00616.51
7.2.50.0050.01016.69
7.2.40.0040.01116.48
7.2.30.0090.00616.41
7.2.20.0090.00616.70
7.2.10.0110.00416.63
7.2.00.0130.00016.67
7.1.250.0030.00715.74
7.1.200.0110.00415.82
7.1.70.0000.00817.06
7.1.60.0060.00616.87
7.1.40.0170.01034.13
7.1.30.0200.01034.35
7.1.20.0270.00734.50
7.1.10.0030.03016.27
7.1.00.0100.00716.48
7.0.200.0060.00916.41
7.0.180.0030.00716.13
7.0.170.0000.01715.95
7.0.160.0000.01715.95
7.0.150.0100.00715.99
7.0.140.0100.00316.11
7.0.130.0030.01316.28
7.0.120.0070.01016.35
7.0.110.0070.01016.32
7.0.100.0030.01016.33
7.0.90.0000.01316.08
7.0.80.0070.01016.21
7.0.70.0030.01016.08
7.0.60.0030.01015.78
7.0.50.0000.01316.14
7.0.40.0100.00316.38
7.0.30.0030.01016.30
7.0.20.0030.01016.23
7.0.10.0070.00716.23
7.0.00.0030.01016.23

preferences:
62.71 ms | 401 KiB | 5 Q