3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['jk' => 1, 'kl' => 12]; $b = ['f', 'l']; print_r(array_combine(array_keys($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)
8.3.60.0180.00316.25
8.3.50.0040.01116.33
8.3.40.0040.01118.59
8.3.30.0000.01418.51
8.3.20.0000.00818.94
8.3.10.0040.00421.80
8.3.00.0040.00819.84
8.2.180.0180.00416.63
8.2.170.0150.00022.96
8.2.160.0070.00720.39
8.2.150.0050.00325.66
8.2.140.0090.00024.66
8.2.130.0040.00420.54
8.2.120.0050.00326.35
8.2.110.0030.00620.52
8.2.100.0160.00617.51
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0000.00822.11
8.2.30.0040.00419.15
8.2.20.0000.00718.03
8.2.10.0050.00218.04
8.2.00.0060.00317.98
8.1.280.0090.00925.92
8.1.270.0050.00323.84
8.1.260.0100.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00323.97
8.1.230.0060.00622.25
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0040.00418.31
8.1.160.0000.00719.01
8.1.150.0030.00318.69
8.1.140.0070.00319.46
8.1.130.0000.00718.80
8.1.120.0050.00217.38
8.1.110.0080.00017.21
8.1.100.0080.00017.25
8.1.90.0030.00617.34
8.1.80.0040.00417.37
8.1.70.0000.00717.29
8.1.60.0080.00017.55
8.1.50.0000.00817.43
8.1.40.0040.00417.46
8.1.30.0030.00617.65
8.1.20.0030.00517.48
8.1.10.0000.00817.45
8.1.00.0040.00417.34
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.25
8.0.270.0000.00717.07
8.0.260.0000.00716.75
8.0.250.0030.00316.72
8.0.240.0040.00416.80
8.0.230.0000.00716.90
8.0.220.0040.00416.72
8.0.210.0030.00316.71
8.0.200.0030.00316.77
8.0.190.0000.00816.92
8.0.180.0000.00716.82
8.0.170.0040.00416.86
8.0.160.0080.00016.81
8.0.150.0070.00016.71
8.0.140.0070.00016.79
8.0.130.0030.00313.25
8.0.120.0000.00816.64
8.0.110.0070.00016.79
8.0.100.0040.00416.80
8.0.90.0040.00416.70
8.0.80.0060.01816.85
8.0.70.0040.00416.73
8.0.60.0000.00716.86
8.0.50.0080.00016.70
8.0.30.0130.00716.93
8.0.20.0170.01217.40
8.0.10.0030.00316.82
8.0.00.0030.01716.62
7.4.330.0050.00015.55
7.4.320.0030.00316.46
7.4.300.0030.00316.43
7.4.290.0070.00316.45
7.4.280.0080.00016.34
7.4.270.0030.00316.54
7.4.260.0030.00313.13
7.4.250.0030.00316.35
7.4.240.0030.00316.48
7.4.230.0030.00316.20
7.4.220.0120.00616.38
7.4.210.0200.00016.59
7.4.200.0030.00316.45
7.4.160.0070.00816.39
7.4.150.0110.00717.40
7.4.140.0140.01017.86
7.4.130.0150.00316.41
7.4.120.0090.01016.47
7.4.110.0090.00916.51
7.4.100.0060.01616.34
7.4.90.0030.01316.51
7.4.80.0120.01019.39
7.4.70.0100.00616.48
7.4.60.0130.00316.55
7.4.50.0060.01016.39
7.4.40.0130.00316.29
7.4.30.0060.01016.46
7.4.00.0070.01014.72
7.3.330.0030.00312.90
7.3.320.0050.00013.02
7.3.310.0070.00016.27
7.3.300.0030.00316.13
7.3.290.0070.00916.20
7.3.280.0090.00716.11
7.3.270.0070.01717.40
7.3.260.0100.00716.16
7.3.250.0100.00716.16
7.3.240.0110.00816.25
7.3.230.0100.00616.30
7.3.210.0070.01016.39
7.3.200.0100.00716.43
7.3.190.0180.00016.06
7.3.180.0150.00316.49
7.3.170.0110.00516.25
7.3.160.0110.00716.30
7.3.120.0030.01214.40
7.3.110.0090.00614.42
7.3.100.0000.01414.82
7.3.90.0090.00314.84
7.3.80.0000.01314.79
7.3.70.0080.00414.47
7.3.60.0070.01014.73
7.3.50.0030.00614.68
7.3.40.0110.00414.48
7.3.30.0000.00914.33
7.3.20.0060.00616.50
7.3.10.0040.00716.59
7.3.00.0050.00916.63
7.2.330.0070.01016.45
7.2.320.0000.01716.54
7.2.310.0100.00716.43
7.2.300.0120.00316.25
7.2.290.0060.00916.32
7.2.240.0140.00414.39
7.2.230.0070.01114.61
7.2.220.0070.00314.91
7.2.210.0090.00614.91
7.2.200.0050.00514.89
7.2.190.0070.01114.77
7.2.180.0040.01114.78
7.2.170.0120.00614.79
7.2.160.0060.00614.77
7.2.150.0090.00316.57
7.2.140.0100.00716.90
7.2.130.0100.00316.54
7.2.120.0070.00616.63
7.2.110.0030.01016.49
7.2.100.0050.00916.68
7.2.90.0040.00916.65
7.2.80.0010.01116.46
7.2.70.0100.00716.56
7.2.60.0090.00616.52
7.2.50.0060.00716.67
7.2.40.0020.01116.65
7.2.30.0050.01016.80
7.2.20.0100.00316.72
7.2.10.0050.00816.64
7.2.00.0040.01217.55
7.1.330.0080.00615.48
7.1.320.0000.01515.81
7.1.310.0080.00615.91
7.1.300.0030.01015.67
7.1.290.0070.00315.41
7.1.280.0040.01115.64
7.1.270.0060.00915.85
7.1.260.0060.00915.83
7.1.250.0030.00915.84
7.1.200.0060.00615.64
7.1.100.0080.00318.09
7.1.70.0050.00217.08
7.1.60.0470.02333.28
7.1.50.1230.01732.94
7.1.40.0630.02032.72
7.1.30.1070.01732.63
7.1.20.1200.01032.81
7.1.10.1030.01714.94
7.1.00.1070.01314.68
7.0.200.1270.00714.99
7.0.190.0830.01714.94
7.0.180.0070.01314.39
7.0.170.0070.01314.48
7.0.160.0130.00714.21
7.0.150.1170.00714.28
7.0.140.1230.01014.44
7.0.130.1170.01714.35
7.0.120.0970.01714.53
7.0.110.0970.01014.43
7.0.100.0970.01714.45
7.0.90.0870.02014.22
7.0.80.0030.01714.19
7.0.70.0030.01014.31
7.0.60.0170.02014.33
7.0.50.0100.01014.53
7.0.40.1000.01014.49
7.0.30.0630.01714.37
7.0.20.0100.01014.49
7.0.10.1400.01014.50
7.0.00.0970.01014.50

preferences:
44.44 ms | 400 KiB | 5 Q