3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = null; $ar = ['g'=> 1, 's'=>'s']; $v = $ar[$key]; print_r($v);

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)
8.3.60.0040.01418.39
8.3.50.0120.00721.13
8.3.40.0170.00318.67
8.3.30.0090.00918.93
8.3.20.0030.00620.21
8.3.10.0000.00723.53
8.3.00.0050.00319.43
8.2.180.0150.00018.50
8.2.170.0100.00322.96
8.2.160.0090.00520.34
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.48
8.2.110.0000.00920.47
8.2.100.0070.00417.78
8.2.90.0060.00320.95
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0020.00517.93
8.2.50.0090.00018.07
8.2.40.0040.00418.34
8.2.30.0040.00419.30
8.2.20.0040.00417.73
8.2.10.0060.00318.04
8.2.00.0070.00017.91
8.1.280.0110.00725.92
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00422.12
8.1.230.0000.01120.81
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00717.23
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0060.00318.47
8.1.160.0000.00721.85
8.1.150.0000.00718.82
8.1.140.0040.00417.45
8.1.130.0000.00717.91
8.1.120.0040.00417.29
8.1.110.0040.00417.27
8.1.100.0040.00417.38
8.1.90.0040.00417.35
8.1.80.0000.00717.24
8.1.70.0040.00417.29
8.1.60.0000.00817.52
8.1.50.0060.00317.45
8.1.40.0000.00717.42
8.1.30.0000.00817.55
8.1.20.0000.00717.55
8.1.10.0040.00417.54
8.1.00.0070.00017.40
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0000.00818.37
8.0.270.0030.00317.22
8.0.260.0000.00717.22
8.0.250.0030.00316.91
8.0.240.0030.00316.94
8.0.230.0000.00716.89
8.0.220.0030.00316.90
8.0.210.0000.00716.81
8.0.200.0070.00316.82
8.0.190.0030.00416.93
8.0.180.0050.00316.83
8.0.170.0070.00016.79
8.0.160.0040.00416.82
8.0.150.0030.00316.80
8.0.140.0050.00316.85
8.0.130.0060.00013.37
8.0.120.0030.00516.72
8.0.110.0030.00516.84
8.0.100.0030.00316.77
8.0.90.0000.00816.94
8.0.80.0090.01216.84
8.0.70.0000.00716.78
8.0.60.0050.00216.90
8.0.50.0050.00216.87
8.0.30.0080.01116.99
8.0.20.0030.01517.40
8.0.10.0000.00816.87
8.0.00.0100.00716.74
7.4.330.0030.00315.03
7.4.320.0060.00016.36
7.4.300.0000.00616.43
7.4.290.0080.00016.53
7.4.280.0000.00816.49
7.4.270.0000.00616.39
7.4.260.0070.00016.41
7.4.250.0030.00616.38
7.4.240.0030.00316.46
7.4.230.0030.00316.18
7.4.220.0070.01216.45
7.4.210.0130.01016.45
7.4.200.0070.00016.41
7.4.160.0040.01216.25
7.4.150.0170.00017.40
7.4.140.0090.01417.86
7.4.130.0080.00916.51
7.4.120.0150.00516.45
7.4.110.0070.01316.51
7.4.100.0030.02116.27
7.4.90.0100.00716.42
7.4.80.0130.01019.39
7.4.70.0140.00616.30
7.4.60.0150.00016.34
7.4.50.0050.00316.59
7.4.40.0070.01016.23
7.4.30.0060.01416.48
7.4.00.0070.00714.66
7.3.330.0030.00313.16
7.3.320.0000.00513.09
7.3.310.0030.00316.19
7.3.300.0000.00716.13
7.3.290.0080.00816.29
7.3.280.0100.00716.28
7.3.270.0100.01017.40
7.3.260.0090.00916.39
7.3.250.0090.00916.42
7.3.240.0100.00716.20
7.3.230.0070.01016.39
7.3.210.0150.00616.29
7.3.200.0120.00416.28
7.3.190.0060.00916.25
7.3.180.0100.00716.21
7.3.170.0060.00916.27
7.3.160.0160.00016.21
7.2.330.0090.00916.78
7.2.320.0140.00716.61
7.2.310.0060.01616.58
7.2.300.0110.00616.25
7.2.290.0080.01216.40
7.2.60.0000.01616.71
7.1.200.0030.00915.79
7.1.100.0000.01117.98
7.1.70.0030.00617.10
7.1.60.0110.01419.86
7.1.50.0070.01616.77
7.1.00.0030.07722.54
7.0.200.0090.00914.85
7.0.60.0000.08719.84
7.0.50.0000.06017.88
7.0.40.0030.08320.27
7.0.30.0400.06320.29
7.0.20.0330.07320.09
7.0.10.0130.08020.32
7.0.00.0030.08720.20
5.6.280.0070.07021.04
5.6.210.0030.04020.46
5.6.200.0170.06318.15
5.6.190.0070.04020.35
5.6.180.0370.06720.49
5.6.170.0330.07320.71
5.6.160.0070.05720.61
5.6.150.0030.04018.11
5.6.140.0030.04718.11
5.6.130.0070.08018.16
5.6.120.0000.05021.14
5.6.110.0170.07720.88
5.6.100.0000.04321.03
5.6.90.0130.04320.97
5.6.80.0130.06720.35
5.5.350.0330.07320.41
5.5.340.0070.08717.91
5.5.330.0070.07020.23
5.5.320.0270.03320.50
5.5.310.0370.05320.23
5.5.300.0030.05317.96
5.5.290.0000.04717.92
5.5.280.0170.07320.86
5.5.270.0070.07320.93
5.5.260.0100.03720.71
5.5.250.0170.06020.57
5.5.240.0070.07020.21
5.4.450.0530.06019.28
5.4.440.0800.05719.67
5.4.430.0100.05019.35
5.4.420.0130.06019.45
5.4.410.0030.07019.21
5.4.400.0170.04319.13
5.4.390.0100.05018.96
5.4.380.0070.06019.07
5.4.370.0070.05719.05
5.4.360.0000.06019.09
5.4.350.0230.04019.07
5.4.340.0270.04018.92
5.4.320.0170.05319.14
5.4.310.0130.06018.95
5.4.300.0200.04019.05
5.4.290.0030.05718.95
5.4.280.0070.05718.96
5.4.270.0070.05719.04
5.4.260.0170.04719.04
5.4.250.0030.07018.95
5.4.240.0070.06718.93
5.4.230.0030.05719.11
5.4.220.0100.05318.90
5.4.210.0070.05318.90
5.4.200.0070.05316.93
5.4.190.0130.04718.96
5.4.180.0130.05019.14
5.4.170.0100.05719.23
5.4.160.0030.05718.97
5.4.150.0130.05018.93
5.4.140.0070.05316.14
5.4.130.0100.04716.34
5.4.120.0030.05316.22
5.4.110.0100.04716.21
5.4.100.0100.05016.18
5.4.90.0070.05716.18
5.4.80.0130.04316.39
5.4.70.0100.05716.39
5.4.60.0100.04716.21
5.4.50.0130.05716.52
5.4.40.0130.06716.16
5.4.30.0170.06016.32
5.4.20.0070.07016.19
5.4.10.0070.06716.11
5.4.00.0130.06015.80
5.3.290.0100.07314.53
5.3.280.0100.05714.43
5.3.270.0070.05714.61
5.3.260.0170.05014.54
5.3.250.0130.04714.45
5.3.240.0130.04714.54
5.3.230.0200.04014.50
5.3.220.0030.05714.52
5.3.210.0070.05714.58
5.3.200.0100.05014.43
5.3.190.0070.05314.41
5.3.180.0170.04314.36
5.3.170.0130.04714.54
5.3.160.0170.04314.48
5.3.150.0070.05314.50
5.3.140.0000.05714.47
5.3.130.0100.05314.39
5.3.120.0000.06014.55
5.3.110.0070.05714.44
5.3.100.0130.04313.95
5.3.90.0070.07013.89
5.3.80.0100.05713.86
5.3.70.0100.06013.89
5.3.60.0130.04713.88
5.3.50.0100.04713.73
5.3.40.0100.04713.89
5.3.30.0100.05313.91
5.3.20.0130.04713.58
5.3.10.0130.04313.66
5.3.00.0070.05013.48
5.2.170.0100.04011.15
5.2.160.0170.03010.98
5.2.150.0100.03711.06
5.2.140.0130.03311.14
5.2.130.0070.04011.11
5.2.120.0070.04311.04
5.2.110.0030.04310.88
5.2.100.0030.04310.96
5.2.90.0070.04010.89
5.2.80.0030.04310.96
5.2.70.0070.04011.19
5.2.60.0030.04311.14
5.2.50.0000.04710.86
5.2.40.0070.03710.83
5.2.30.0070.04010.96
5.2.20.0100.03710.81
5.2.10.0100.03710.93
5.2.00.0130.03710.65
5.1.60.0070.0339.99
5.1.50.0000.0409.91
5.1.40.0030.0379.91
5.1.30.0100.03310.25
5.1.20.0100.03310.20
5.1.10.0030.0409.97
5.1.00.0070.0339.95
5.0.50.0030.0338.54
5.0.40.0000.0338.48
5.0.30.0100.0438.30
5.0.20.0100.0208.04
5.0.10.0000.0308.33
5.0.00.0070.0408.30
4.4.90.0070.0175.80
4.4.80.0000.0235.81
4.4.70.0000.0235.80
4.4.60.0070.0175.73
4.4.50.0000.0275.85
4.4.40.0030.0375.77
4.4.30.0030.0205.74
4.4.20.0030.0205.92
4.4.10.0000.0235.91
4.4.00.0000.0475.91
4.3.110.0000.0275.70
4.3.100.0100.0135.70
4.3.90.0030.0205.67
4.3.80.0000.0375.68
4.3.70.0030.0205.82
4.3.60.0000.0235.65
4.3.50.0070.0175.76
4.3.40.0030.0335.71
4.3.30.0000.0234.55
4.3.20.0000.0234.49
4.3.10.0030.0204.45
4.3.00.0130.0177.17

preferences:
56.6 ms | 401 KiB | 5 Q