3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str_arr = array('street' => 'lalala', 'id' => 'x'); echo $str_arr[array_keys($str_arr)['lalala']];

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)
8.3.40.0100.01018.75
8.3.30.0100.00318.95
8.3.20.0050.00220.13
8.3.10.0050.00322.15
8.3.00.0040.00422.51
8.2.170.0170.00322.96
8.2.160.0110.00421.07
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0110.00019.48
8.2.110.0050.00522.18
8.2.100.0120.00017.82
8.2.90.0000.00819.22
8.2.80.0030.00518.04
8.2.70.0000.00817.63
8.2.60.0030.00618.05
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0040.00417.99
8.2.20.0050.00217.73
8.2.10.0080.00017.55
8.2.00.0070.00017.74
8.1.270.0040.00422.26
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0150.00623.91
8.1.230.0110.00019.06
8.1.220.0000.00817.76
8.1.210.0000.00718.77
8.1.200.0060.00317.22
8.1.190.0070.00017.41
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0050.00322.01
8.1.150.0070.00018.44
8.1.140.0040.00417.38
8.1.130.0030.00317.71
8.1.120.0030.00517.38
8.1.110.0080.00017.45
8.1.100.0060.00317.33
8.1.90.0040.00317.29
8.1.80.0040.00417.29
8.1.70.0040.00417.35
8.1.60.0000.00817.54
8.1.50.0050.00217.46
8.1.40.0040.00417.43
8.1.30.0040.00417.58
8.1.20.0060.00317.56
8.1.10.0000.00817.48
8.1.00.0000.00717.51
8.0.300.0070.00018.77
8.0.290.0080.00017.18
8.0.280.0040.00418.34
8.0.270.0000.00717.25
8.0.260.0060.00016.75
8.0.250.0000.00717.00
8.0.240.0040.00416.84
8.0.230.0000.00717.01
8.0.220.0000.00716.86
8.0.210.0000.00716.92
8.0.200.0000.00916.98
8.0.190.0070.00016.84
8.0.180.0000.00716.80
8.0.170.0050.00316.84
8.0.160.0040.00416.80
8.0.150.0060.00316.78
8.0.140.0070.00016.90
8.0.130.0040.00413.29
8.0.120.0000.00816.86
8.0.110.0040.00416.93
8.0.100.0000.00716.99
8.0.90.0040.00416.77
8.0.80.0140.00416.94
8.0.70.0040.00416.76
8.0.60.0040.00416.83
8.0.50.0060.00316.75
8.0.30.0130.00917.13
8.0.20.0080.01317.40
8.0.10.0040.00416.90
8.0.00.0140.00816.75
7.4.330.0000.00515.00
7.4.320.0030.00316.57
7.4.300.0030.00316.32
7.4.290.0000.00616.53
7.4.280.0030.00316.45
7.4.270.0040.00416.58
7.4.260.0060.00316.52
7.4.250.0000.00716.39
7.4.240.0040.00416.47
7.4.230.0030.00316.36
7.4.220.0030.01516.51
7.4.210.0070.00816.56
7.4.200.0030.00316.43
7.4.190.0070.00016.30
7.4.160.0100.00716.37
7.4.150.0100.00717.40
7.4.140.0110.01017.86
7.4.130.0060.01116.52
7.4.120.0110.00616.43
7.4.110.0080.01216.36
7.4.100.0070.01016.80
7.4.90.0150.00916.34
7.4.80.0090.01519.39
7.4.70.0060.01016.57
7.4.60.0110.00516.50
7.4.50.0030.00616.50
7.4.40.0060.00922.77
7.4.30.0060.00916.39
7.4.00.0060.00914.70
7.3.330.0050.00013.22
7.3.320.0000.00513.05
7.3.310.0000.00716.45
7.3.300.0030.00316.16
7.3.290.0070.00716.32
7.3.280.0060.01016.38
7.3.270.0130.00317.40
7.3.260.0070.01016.42
7.3.250.0110.00716.31
7.3.240.0100.01316.37
7.3.230.0130.00416.39
7.3.210.0100.00716.42
7.3.200.0100.00619.39
7.3.190.0090.00916.36
7.3.180.0110.00516.50
7.3.170.0030.01316.35
7.3.160.0060.01116.60
7.3.120.0090.00614.69
7.2.330.0090.00916.68
7.2.320.0030.01416.42
7.2.310.0110.00616.61
7.2.300.0110.00716.48
7.2.290.0120.00416.45
7.2.60.0150.00016.83
7.1.200.0000.01115.49
7.1.100.0060.00917.82
7.1.70.0000.00717.06
7.1.60.0100.01319.82
7.1.50.0030.01716.64
7.1.00.0130.06322.43
7.0.200.0060.00916.84
7.0.140.0000.07721.99
7.0.60.0370.05719.93
7.0.50.0000.04317.90
7.0.40.0100.08019.99
7.0.30.0400.06020.17
7.0.20.0270.07020.21
7.0.10.0070.08720.16
7.0.00.0100.07320.00
5.6.280.0030.07321.04
5.6.210.0170.07020.66
5.6.200.0070.06718.10
5.6.190.0170.06020.44
5.6.180.0070.05020.60
5.6.170.0300.07720.38
5.6.160.0070.09020.47
5.6.150.0130.06318.12
5.6.140.0100.03718.18
5.6.130.0070.08018.15
5.6.120.0170.07320.98
5.6.110.0170.06721.08
5.6.100.0070.07720.97
5.6.90.0130.07320.99
5.6.80.0170.07020.41
5.5.350.0130.07020.46
5.5.340.0030.05017.88
5.5.330.0000.08720.56
5.5.320.0030.08720.28
5.5.310.0300.06720.50
5.5.300.0000.04017.97
5.5.290.0030.04017.88
5.5.280.0130.08020.79
5.5.270.0100.08320.74
5.5.260.0130.07020.63
5.5.250.0130.07720.61
5.5.240.0030.06320.26
5.4.450.0030.07019.43
5.4.440.0030.05319.46
5.4.430.2370.03319.13
5.4.420.2600.03719.51
5.4.410.2670.03719.45
5.4.400.2600.04019.11
5.4.390.2700.04018.77
5.4.380.2830.04019.22
5.4.370.2730.03719.10
5.4.360.2600.03718.80
5.4.350.2570.03718.81
5.4.340.2730.04019.21
5.4.320.2670.03719.07
5.4.310.2500.04718.93
5.4.300.2770.03719.13
5.4.290.2730.03319.21
5.4.280.2470.04019.13
5.4.270.2730.04019.24
5.4.260.2470.03719.16
5.4.250.2670.03318.88
5.4.240.2970.04319.08
5.4.230.2570.04319.21
5.4.220.2800.04018.91
5.4.210.2530.04319.07
5.4.200.2470.04019.12
5.4.190.2800.04019.09
5.4.180.2770.04018.91
5.4.170.2770.03719.14
5.4.160.2200.03319.11
5.4.150.3000.05019.23
5.4.140.2700.03716.19
5.4.130.2530.03016.43
5.4.120.2770.03316.45
5.4.110.2730.03716.41
5.4.100.2670.04016.21
5.4.90.2800.03716.23
5.4.80.2700.03316.21
5.4.70.2770.04016.48
5.4.60.2570.04016.22
5.4.50.2470.03716.49
5.4.40.2270.03716.27
5.4.30.2630.03316.47
5.4.20.2630.03016.18
5.4.10.2500.04016.36
5.4.00.2630.03015.88
5.3.290.2670.03314.60
5.3.280.2600.03314.48
5.3.270.2630.03014.54
5.3.260.2700.02714.48
5.3.250.2600.03314.42
5.3.240.2630.04714.46
5.3.230.2530.03714.55
5.3.220.2570.03314.43
5.3.210.2600.04014.55
5.3.200.2570.03714.44
5.3.190.2530.03714.50
5.3.180.3100.04014.42
5.3.170.2630.04014.61
5.3.160.2770.03714.55
5.3.150.2600.04014.51
5.3.140.2830.05014.43
5.3.130.2730.03714.57
5.3.120.2470.04014.54
5.3.110.2470.03714.42
5.3.100.2730.03314.14
5.3.90.2730.03013.86
5.3.80.2570.03013.96
5.3.70.2700.04313.92
5.3.60.2670.04013.96
5.3.50.2670.04313.85
5.3.40.2670.04313.89
5.3.30.2730.04013.79
5.3.20.2730.03313.59
5.3.10.2970.03713.62
5.3.00.2730.03713.47
5.2.170.2070.02711.23
5.2.160.2330.03010.99
5.2.150.2500.02711.15
5.2.140.2400.02711.22
5.2.130.2030.03011.04
5.2.120.2270.03311.16
5.2.110.2370.02310.96
5.2.100.2230.03311.12
5.2.90.2300.03310.98
5.2.80.2100.03010.89
5.2.70.2030.03011.05
5.2.60.2100.03310.90
5.2.50.2330.03311.07
5.2.40.1700.02310.93
5.2.30.2030.02710.88
5.2.20.1770.02011.01
5.2.10.2000.03310.77
5.2.00.1870.02710.68
5.1.60.1970.0239.89
5.1.50.1930.02710.11
5.1.40.1770.02310.06
5.1.30.1630.02310.32
5.1.20.1800.03310.21
5.1.10.1730.0279.93
5.1.00.1670.03010.16
5.0.50.1170.0238.43
5.0.40.0900.0178.28
5.0.30.0970.0338.36
5.0.20.0870.0178.35
5.0.10.0870.0208.32
5.0.00.0630.0308.21
4.4.90.0970.0207.16
4.4.80.1100.0207.16
4.4.70.1000.0237.16
4.4.60.0830.0177.16
4.4.50.0870.0137.16
4.4.40.0870.0237.16
4.4.30.0970.0207.16
4.4.20.0830.0177.16
4.4.10.0830.0137.16
4.4.00.0830.0277.16
4.3.110.0970.0207.16
4.3.100.1030.0177.16
4.3.90.0830.0177.16
4.3.80.0870.0237.16
4.3.70.0870.0137.16
4.3.60.0830.0137.16
4.3.50.0800.0177.16
4.3.40.0930.0207.16
4.3.30.0400.0177.16
4.3.20.0430.0177.16
4.3.10.0430.0137.16
4.3.00.0530.0137.16

preferences:
38.36 ms | 400 KiB | 5 Q