3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'key1' => 'Label 1', 'key2' => 'Label 2', 'key3' => 'Label 3' ]; $result = array(); $r = &$result; foreach ($arr as $k => $v) { $r[$k] = array($k => $v); $r = &$r[$k]; } print_r($result);

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)
8.5.10.0110.00719.63
8.5.00.0130.00920.02
8.4.150.0020.00014.05
8.4.140.0150.00817.27
8.4.130.0120.00917.79
8.4.120.0070.00620.41
8.4.110.0130.00720.43
8.4.100.0090.01018.63
8.4.90.0110.00920.54
8.4.80.0060.00318.84
8.4.70.0080.01117.68
8.4.60.0120.00820.67
8.4.50.0140.00917.53
8.4.40.0160.00319.22
8.4.30.0120.00920.39
8.4.20.0130.00719.54
8.4.10.0120.00319.42
8.3.280.0130.00718.52
8.3.270.0110.01016.65
8.3.260.0100.00916.55
8.3.250.0120.00618.83
8.3.240.0100.00916.45
8.3.230.0110.00816.67
8.3.220.0050.00219.08
8.3.210.0040.00416.63
8.3.200.0040.00516.73
8.3.190.0110.00617.22
8.3.180.0070.00316.64
8.3.170.0110.00717.09
8.3.160.0120.00618.29
8.3.150.0170.00317.07
8.3.140.0030.00517.31
8.3.130.0040.01118.36
8.3.120.0110.00420.69
8.3.110.0080.00016.77
8.3.100.0040.00416.62
8.3.90.0090.00626.77
8.3.80.0030.00616.35
8.3.70.0070.01116.63
8.3.60.0120.00318.08
8.3.50.0070.00724.36
8.3.40.0090.00618.77
8.3.30.0080.00818.54
8.3.20.0040.00420.82
8.3.10.0030.00520.35
8.3.00.0040.00420.64
8.2.290.0140.00516.57
8.2.280.0060.00320.35
8.2.270.0100.01016.67
8.2.260.0130.00716.69
8.2.250.0080.00016.54
8.2.240.0030.00618.74
8.2.230.0040.00420.94
8.2.220.0080.00024.06
8.2.210.0080.00026.77
8.2.200.0000.00916.50
8.2.190.0160.00316.63
8.2.180.0140.00725.92
8.2.170.0090.00618.98
8.2.160.0200.00022.96
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0050.00226.16
8.2.120.0070.00026.16
8.2.110.0060.00319.45
8.2.100.0040.00717.72
8.2.90.0070.00018.16
8.2.80.0050.00317.97
8.2.70.0040.00418.02
8.2.60.0040.00418.15
8.2.50.0080.00319.38
8.2.40.0130.00019.27
8.2.30.0000.00719.18
8.2.20.0080.00018.10
8.2.10.0060.00318.90
8.2.00.0000.00719.20
8.1.330.0110.00720.36
8.1.320.0120.00816.18
8.1.310.0070.00316.75
8.1.300.0090.00020.30
8.1.290.0060.00318.88
8.1.280.0040.01125.92
8.1.270.0040.00422.54
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00923.86
8.1.230.0090.00320.96
8.1.220.0040.00417.74
8.1.210.0080.00018.83
8.1.200.0030.00717.35
8.1.190.0050.00517.10
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0000.00818.99
8.1.150.0040.00418.88
8.1.140.0080.00018.88
8.1.130.0000.00720.13
8.1.120.0070.00017.36
8.1.110.0030.00617.42
8.1.100.0000.00817.41
8.1.90.0000.00717.43
8.1.80.0000.00817.48
8.1.70.0040.00417.34
8.1.60.0110.00017.60
8.1.50.0040.00417.40
8.1.40.0080.00017.39
8.1.30.0040.00417.60
8.1.20.0080.00017.65
8.1.10.0000.00717.43
8.1.00.0000.01017.48
8.0.300.0040.00419.66
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0000.00717.29
8.0.260.0030.00319.97
8.0.250.0030.00316.82
8.0.240.0000.00716.84
8.0.230.0000.00816.86
8.0.220.0030.00316.89
8.0.210.0030.00316.88
8.0.200.0030.00317.00
8.0.190.0070.00016.88
8.0.180.0050.00316.83
8.0.170.0030.00616.77
8.0.160.0000.00716.74
8.0.150.0030.00316.79
8.0.140.0000.00816.75
8.0.130.0030.00313.40
8.0.120.0040.00416.79
8.0.110.0030.00516.77
8.0.100.0020.00516.74
8.0.90.0030.00616.82
8.0.80.0090.00916.87
8.0.70.0050.00216.95
8.0.60.0040.00416.88
8.0.50.0000.00816.83
8.0.30.0070.01416.98
8.0.20.0090.00917.04
8.0.10.0000.00716.86
8.0.00.0180.00716.71
7.4.330.0060.00015.55
7.4.320.0000.00616.59
7.4.300.0070.00016.49
7.4.290.0000.00716.63
7.4.280.0030.00616.48
7.4.270.0030.00316.52
7.4.260.0030.00313.28
7.4.250.0030.00316.36
7.4.240.0040.00416.43
7.4.230.0030.00316.59
7.4.220.0020.00416.44
7.4.210.0090.01116.57
7.4.200.0000.00716.35
7.4.130.0120.00416.41
7.4.120.0100.01016.59
7.4.110.0040.01216.54
7.4.100.0070.01116.66
7.4.90.0110.00516.61
7.4.80.0080.00819.39
7.4.70.0070.01416.41
7.4.60.0030.01316.43
7.4.50.0070.01016.23
7.4.40.0040.01216.39
7.4.10.0040.01215.45
7.4.00.0070.00815.40
7.3.330.0070.00016.41
7.3.320.0050.00013.30
7.3.310.0000.00716.33
7.3.300.0030.00316.28
7.3.290.0030.00316.22
7.3.280.0080.00816.37
7.3.260.0130.01016.23
7.3.230.0090.01516.33
7.3.210.0060.01216.42
7.3.200.0060.01116.50
7.3.190.0070.01416.71
7.3.180.0080.00816.47
7.3.170.0060.01516.38
7.3.160.0120.00416.43
7.3.130.0080.01115.53
7.3.120.0070.00915.16
7.3.110.0050.01115.12
7.3.100.0040.01115.11
7.3.90.0090.00415.10
7.3.80.0060.01015.23
7.3.70.0080.00615.15
7.3.60.0060.00715.13
7.3.50.0070.00915.31
7.3.40.0070.00915.08
7.3.30.0070.00715.11
7.3.20.0080.01016.44
7.3.10.0080.00916.43
7.3.00.0050.01016.54
7.2.330.0140.00716.71
7.2.320.0070.01116.40
7.2.310.0130.00316.33
7.2.300.0120.00816.71
7.2.290.0130.00316.43
7.2.260.0100.00815.66
7.2.250.0050.01115.43
7.2.240.0070.00915.28
7.2.230.0080.00915.52
7.2.220.0040.01015.30
7.2.210.0090.00415.37
7.2.200.0050.00715.22
7.2.190.0080.00715.29
7.2.180.0100.00815.39
7.2.170.0100.00515.31
7.2.160.0100.00915.43
7.2.150.0100.01016.83
7.2.140.0070.01016.73
7.2.130.0100.00916.78
7.2.120.0080.01416.64
7.2.110.0100.01116.83
7.2.100.0100.01316.91
7.2.90.0140.00916.87
7.2.80.0120.00716.82
7.2.70.0140.00516.69
7.2.60.0100.00916.73
7.2.50.0110.00816.64
7.2.40.0070.00816.94
7.2.30.0080.00616.85
7.2.20.0140.00516.87
7.2.10.0130.00716.85
7.2.00.0090.00616.79
7.1.330.0080.00915.67
7.1.320.0060.00915.69
7.1.310.0070.00715.74
7.1.300.0070.00815.69
7.1.290.0070.00915.68
7.1.280.0070.00815.63
7.1.270.0080.00715.59
7.1.260.0060.00715.72
7.1.250.0100.00915.63
7.1.240.0120.00816.63
7.1.230.0100.01016.64
7.1.220.0110.00716.62
7.1.210.0120.01016.52
7.1.200.0080.01216.59
7.1.190.0100.00716.59
7.1.180.0170.00416.66
7.1.170.0110.00716.46
7.1.160.0010.01216.67
7.1.150.0770.00516.56
7.1.140.0080.01116.44
7.1.130.0080.00916.33
7.1.120.0140.00716.57
7.1.110.0090.00616.55
7.1.100.0130.00716.61
7.1.90.0080.00916.44
7.1.80.0140.00616.38
7.1.70.0130.00516.61
7.1.60.0090.00916.61
7.1.50.0100.00616.46
7.1.40.0070.00716.65
7.1.30.0100.00316.67
7.1.20.0100.00316.38
7.1.10.0700.01016.53
7.1.00.0130.00816.65

preferences:
32.94 ms | 403 KiB | 5 Q