3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = array('mesic', 'den', 'hodina'); $row = array('1988'); $hlp = &$row['1988']; foreach($keys as $key) { $hlp[$key] = array(); $hlp = &$hlp[$key]; } var_dump($row);

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)
8.3.70.0100.00618.18
8.3.60.0090.00918.43
8.3.50.0100.01022.01
8.3.40.0070.00718.59
8.3.30.0090.00619.01
8.3.20.0040.00420.20
8.3.10.0040.00421.78
8.3.00.0040.00419.38
8.2.190.0080.00816.63
8.2.180.0040.01116.38
8.2.170.0150.00422.96
8.2.160.0100.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.35
8.2.110.0090.00019.38
8.2.100.0040.00817.75
8.2.90.0040.00419.30
8.2.80.0040.00417.97
8.2.70.0060.00617.75
8.2.60.0000.00818.16
8.2.50.0040.00418.07
8.2.40.0080.00018.17
8.2.30.0030.00617.99
8.2.20.0050.00317.61
8.2.10.0030.00517.98
8.2.00.0080.00017.68
8.1.280.0030.01225.92
8.1.270.0080.00018.94
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.83
8.1.230.0040.00817.64
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0080.00020.48
8.1.160.0030.00621.88
8.1.150.0050.00318.93
8.1.140.0000.00717.40
8.1.130.0000.00717.82
8.1.120.0000.01017.36
8.1.110.0000.00817.48
8.1.100.0000.00717.45
8.1.90.0060.00317.48
8.1.80.0080.00017.52
8.1.70.0000.00717.44
8.1.60.0000.00817.46
8.1.50.0030.00617.55
8.1.40.0040.00417.52
8.1.30.0030.00517.55
8.1.20.0000.00917.55
8.1.10.0040.00417.44
8.1.00.0060.00317.50
8.0.300.0080.00018.77
8.0.290.0080.00016.63
8.0.280.0040.00418.44
8.0.270.0070.00017.26
8.0.260.0030.00317.23
8.0.250.0040.00416.91
8.0.240.0060.00016.99
8.0.230.0070.00017.01
8.0.220.0030.00316.89
8.0.210.0030.00316.84
8.0.200.0030.00316.93
8.0.190.0080.00016.82
8.0.180.0000.00716.83
8.0.170.0070.00016.86
8.0.160.0030.00616.91
8.0.150.0000.00716.73
8.0.140.0000.00716.84
8.0.130.0060.00013.38
8.0.120.0000.00816.75
8.0.110.0030.00516.85
8.0.100.0050.00316.91
8.0.90.0040.00416.76
8.0.80.0070.01316.81
8.0.70.0000.00716.73
8.0.60.0040.00416.73
8.0.50.0070.00016.69
8.0.30.0140.01017.15
8.0.20.0110.01117.40
8.0.10.0040.00416.89
8.0.00.0180.00616.78
7.4.330.0030.00315.03
7.4.320.0000.00616.39
7.4.300.0030.00316.49
7.4.290.0070.00016.43
7.4.280.0040.00416.48
7.4.270.0000.00816.45
7.4.260.0000.00716.46
7.4.250.0040.00416.54
7.4.240.0050.00316.47
7.4.230.0000.00716.39
7.4.220.0070.01016.60
7.4.210.0090.00616.59
7.4.200.0000.00716.35
7.4.160.0040.01116.62
7.4.150.0140.00717.40
7.4.140.0110.01117.86
7.4.130.0150.00816.42
7.4.120.0120.00516.50
7.4.110.0180.00016.69
7.4.100.0140.00416.59
7.4.90.0100.00816.48
7.4.80.0110.01019.39
7.4.70.0150.00316.44
7.4.60.0130.00416.38
7.4.50.0040.00416.74
7.4.40.0100.00716.48
7.4.30.0120.00616.70
7.4.00.0110.00414.90
7.3.330.0000.00513.16
7.3.320.0120.00013.26
7.3.310.0040.00416.41
7.3.300.0070.00016.32
7.3.290.0050.00916.30
7.3.280.0110.00716.34
7.3.270.0040.01417.40
7.3.260.0160.01016.41
7.3.250.0040.01316.42
7.3.240.0080.00916.30
7.3.230.0170.00716.39
7.3.210.0070.01116.43
7.3.200.0090.00819.39
7.3.190.0060.00916.52
7.3.180.0060.00916.59
7.3.170.0110.00616.48
7.3.160.0040.01116.29
7.3.10.0040.00816.46
7.3.00.0090.00316.00
7.2.330.0120.00616.56
7.2.320.0110.00716.68
7.2.310.0100.00716.85
7.2.300.0060.01516.60
7.2.290.0060.01116.78
7.2.130.0120.00416.48
7.2.120.0060.00616.74
7.2.110.0040.00816.58
7.2.100.0070.00316.70
7.2.90.0000.01216.78
7.2.80.0030.01016.69
7.2.70.0000.01316.53
7.2.60.0060.01216.70
7.2.50.0040.00716.26
7.2.40.0070.00416.62
7.2.30.0170.00616.68
7.2.20.0100.00316.84
7.2.10.0190.00016.39
7.2.00.0060.00817.97
7.1.250.0060.00315.66
7.1.100.0000.01117.96
7.1.70.0000.00817.16
7.1.60.0130.01019.50
7.1.50.0100.00717.02
7.1.00.0030.07722.57
7.0.200.0130.00614.63
7.0.140.0030.06721.92
7.0.60.0000.06019.86
7.0.50.0000.08717.77
7.0.40.0130.07720.23
7.0.30.0170.04320.17
7.0.20.0370.07320.13
7.0.10.0270.04720.18
7.0.00.0070.07320.33
5.6.280.0000.07721.02
5.6.210.0100.06320.74
5.6.200.0100.05018.11
5.6.190.0070.05020.62
5.6.180.0130.08720.36
5.6.170.0230.05020.45
5.6.160.0000.05320.59
5.6.150.0170.06718.18
5.6.140.0200.05318.16
5.6.130.0130.07318.18
5.6.120.0030.08321.00
5.6.110.0030.04321.00
5.6.100.0130.07321.04
5.6.90.0200.06321.00
5.6.80.0100.03720.28
5.6.70.0300.07320.36
5.5.350.0270.07320.43
5.5.340.0130.07018.02
5.5.330.0130.03320.23
5.5.320.0070.05320.38
5.5.310.0270.04720.13
5.5.300.0030.08317.96
5.5.290.0100.07718.02
5.5.280.0030.04020.86
5.5.270.0030.08720.76
5.5.260.0170.07320.76
5.5.250.0100.05720.66
5.5.240.0170.07020.35
5.4.450.0600.05019.59
5.4.440.0730.05719.41
5.4.430.0870.06019.29
5.4.420.0030.06019.56
5.4.410.0070.06318.95
5.4.400.0270.06018.76
5.4.390.0270.06318.65
5.4.380.0500.05018.64
5.4.370.0370.05718.68
5.4.360.0270.06318.59
5.4.350.0600.05018.64
5.4.340.0470.06018.61
5.4.320.0370.04718.52
5.4.310.0400.05718.68
5.4.300.0370.05718.58
5.4.290.0270.06018.58
5.4.280.0330.05318.57
5.4.270.0370.05718.67
5.4.260.0670.04018.58
5.4.250.0430.05718.44
5.4.240.0300.07318.67
5.4.230.0230.06718.48
5.4.220.0430.07018.57
5.4.210.0370.05318.58
5.4.200.0300.06016.43
5.4.190.0370.05718.49
5.4.180.0270.06018.68
5.4.170.0500.07018.68
5.4.160.0470.05718.47
5.4.150.0430.05018.45
5.4.140.0730.05016.21
5.4.130.0370.05316.21
5.4.120.0370.06716.19
5.4.110.0330.05016.29
5.4.100.0430.05016.08
5.4.90.0270.06016.28
5.4.80.0330.05316.27
5.4.70.0330.07016.18
5.4.60.0270.06016.05
5.4.50.0330.05316.14
5.4.40.0370.07016.18
5.4.30.0330.04716.04
5.4.20.0330.05716.19
5.4.10.0300.05316.15
5.4.00.0370.04315.70
5.3.290.0470.05314.59
5.3.280.0470.04314.54
5.3.270.0330.06314.53
5.3.260.0400.04714.59
5.3.250.0270.06014.53
5.3.240.0430.04314.60
5.3.230.0330.05314.63
5.3.220.0370.05014.59
5.3.210.0400.07014.60
5.3.200.0430.06314.54
5.3.190.0430.05314.54
5.3.180.0300.05714.59
5.3.170.0230.06714.54
5.3.160.0400.05014.58
5.3.150.0330.06314.54
5.3.140.0500.04314.58
5.3.130.0500.05714.51
5.3.120.0600.09014.45
5.3.110.0230.06314.54
5.3.100.0430.04713.97
5.3.90.0300.07313.96
5.3.80.0570.04013.94
5.3.70.0430.05013.98
5.3.60.0230.06013.95
5.3.50.0470.04013.88
5.3.40.0470.05713.93
5.3.30.0530.05713.85
5.3.20.0470.04013.62
5.3.10.0400.04313.63
5.3.00.0300.07713.53
5.2.170.0200.05311.17
5.2.160.0170.05311.16
5.2.150.0270.04011.24
5.2.140.0330.04311.17
5.2.130.0230.04711.19
5.2.120.0270.05711.02
5.2.110.0330.05011.02
5.2.100.0300.04311.15
5.2.90.0370.03711.14
5.2.80.0300.04711.06
5.2.70.0370.04011.17
5.2.60.0270.06010.95
5.2.50.0230.04310.94
5.2.40.0130.04710.99
5.2.30.0370.04011.00
5.2.20.0130.04710.94
5.2.10.0230.04010.80
5.2.00.0270.04010.68
5.1.60.0200.03310.01
5.1.50.0170.04010.03
5.1.40.0230.0379.94
5.1.30.0270.03010.39
5.1.20.0270.03010.45
5.1.10.0130.04010.14
5.1.00.0170.04010.03
5.0.50.0130.0338.64
5.0.40.0100.0308.43
5.0.30.0170.0508.25
5.0.20.0100.0278.21
5.0.10.0200.0208.16
5.0.00.0070.0538.19
4.4.90.0130.0235.88
4.4.80.0130.0205.91
4.4.70.0170.0175.90
4.4.60.0200.0205.86
4.4.50.0130.0275.92
4.4.40.0170.0375.89
4.4.30.0100.0305.82
4.4.20.0130.0275.88
4.4.10.0200.0175.92
4.4.00.0100.0375.88
4.3.110.0130.0205.82
4.3.100.0570.0175.82
4.3.90.0130.0235.79
4.3.80.0170.0375.86
4.3.70.0200.0205.78
4.3.60.0100.0235.88
4.3.50.0170.0205.79
4.3.40.0100.0475.75
4.3.30.0030.0234.66
4.3.20.0100.0274.65
4.3.10.0000.0334.62
4.3.00.0070.0236.59

preferences:
54.92 ms | 401 KiB | 5 Q