3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_fill_keys(array('a', 'b'), array('rt', 're')); print_r($a);

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)
8.3.60.0070.01018.31
8.3.50.0150.00316.19
8.3.40.0070.00718.73
8.3.30.0030.01018.63
8.3.20.0040.00421.69
8.3.10.0080.00023.65
8.3.00.0050.00321.21
8.2.180.0130.00716.37
8.2.170.0040.01122.96
8.2.160.0080.00521.98
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0080.00019.64
8.2.110.0060.00322.31
8.2.100.0000.01117.78
8.2.90.0080.00017.72
8.2.80.0030.00622.30
8.2.70.0100.00017.50
8.2.60.0040.00417.50
8.2.50.0040.00417.55
8.2.40.0080.00017.79
8.2.30.0040.00419.42
8.2.20.0000.00817.87
8.2.10.0000.00717.59
8.2.00.0000.00717.93
8.1.280.0100.00625.92
8.1.270.0080.00023.97
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0050.00322.14
8.1.230.0040.00722.31
8.1.220.0090.00017.79
8.1.210.0000.00918.77
8.1.200.0050.00317.22
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0060.00317.62
8.1.160.0000.00818.83
8.1.150.0000.00720.29
8.1.140.0040.00417.70
8.1.130.0000.00717.43
8.1.120.0000.00817.41
8.1.110.0000.00717.43
8.1.100.0050.00317.44
8.1.90.0000.00717.27
8.1.80.0000.00817.34
8.1.70.0000.00717.34
8.1.60.0040.00417.53
8.1.50.0030.00617.44
8.1.40.0040.00417.33
8.1.30.0070.00317.50
8.1.20.0000.00717.55
8.1.10.0000.00817.48
8.1.00.0040.00417.36
8.0.300.0040.00419.89
8.0.290.0050.00316.58
8.0.280.0040.00418.45
8.0.270.0000.00717.19
8.0.260.0030.00316.69
8.0.250.0000.00716.79
8.0.240.0030.00616.89
8.0.230.0000.00716.89
8.0.220.0000.00816.72
8.0.210.0000.00716.89
8.0.200.0040.00416.81
8.0.190.0070.00016.84
8.0.180.0000.00716.89
8.0.170.0030.00616.79
8.0.160.0040.00416.80
8.0.150.0030.00316.78
8.0.140.0030.00316.69
8.0.130.0030.00313.24
8.0.120.0020.00516.68
8.0.110.0040.00416.81
8.0.100.0000.00816.75
8.0.90.0070.00016.72
8.0.80.0060.00916.88
8.0.70.0040.00416.65
8.0.60.0040.00416.86
8.0.50.0040.00416.71
8.0.30.0080.01016.96
8.0.20.0110.00717.40
8.0.10.0050.00316.93
8.0.00.0120.00816.79
7.4.330.0000.00515.55
7.4.320.0070.00016.43
7.4.300.0000.00616.32
7.4.290.0040.00416.34
7.4.280.0040.00416.50
7.4.270.0040.00416.38
7.4.260.0000.00716.55
7.4.250.0070.00316.41
7.4.240.0040.00416.46
7.4.230.0030.00316.27
7.4.220.0080.00016.60
7.4.210.0050.01116.48
7.4.200.0030.00316.52
7.4.160.0090.00816.45
7.4.140.0110.00617.86
7.4.130.0120.00616.56
7.4.120.0140.00516.44
7.4.110.0120.01216.49
7.4.100.0070.01016.43
7.4.90.0220.00916.48
7.4.80.0030.01419.39
7.4.70.0100.00716.39
7.4.60.0100.00716.42
7.4.50.0080.00316.55
7.4.40.0060.01116.41
7.4.00.0030.01315.06
7.3.330.0000.00612.93
7.3.320.0060.00013.02
7.3.310.0000.00716.00
7.3.300.0000.00715.98
7.3.290.0030.00316.11
7.3.280.0110.00816.11
7.3.260.0080.00916.22
7.3.240.0050.01316.27
7.3.230.0110.00616.52
7.3.210.0060.01016.36
7.3.200.0100.01016.24
7.3.190.0070.01416.14
7.3.180.0090.01316.54
7.3.170.0150.00016.08
7.3.160.0110.00716.16
7.2.330.0200.00016.45
7.2.320.0070.01016.29
7.2.310.0140.00616.57
7.2.300.0090.00916.21
7.2.290.0150.00816.27
7.2.60.0070.00716.53
7.2.30.0130.01217.69
7.2.20.0140.01417.55
7.2.10.0530.00917.80
7.2.00.0600.01017.47
7.1.200.0080.00415.80
7.1.150.0090.01616.33
7.1.140.0130.00816.76
7.1.130.0150.01216.72
7.1.120.0120.01416.67
7.1.110.0140.00915.77
7.1.100.0150.00615.95
7.1.90.0180.01215.93
7.1.80.0190.01116.08
7.1.70.0110.01015.26
7.1.60.0410.01933.24
7.1.50.0320.01032.86
7.1.40.0310.01232.39
7.1.30.0270.01632.68
7.1.20.0290.01032.80
7.1.10.0110.01214.71
7.1.00.0130.01214.55

preferences:
56.96 ms | 401 KiB | 5 Q