3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [[1, 2], [1, 2]]; $a["b"] = [1, 3]; $a["a"] = [1, 3]; $a[5] = [1, 3]; array_unshift($a, [3, 4]); print_r($a);

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)
8.3.60.0070.01416.38
8.3.50.0040.01116.56
8.3.40.0110.00418.84
8.3.30.0140.00018.89
8.3.20.0030.00520.12
8.3.10.0000.00821.95
8.3.00.0040.00421.95
8.2.180.0060.00916.63
8.2.170.0060.01222.96
8.2.160.0110.00418.95
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00719.33
8.2.120.0070.00026.35
8.2.110.0060.00322.24
8.2.100.0090.00617.91
8.2.90.0080.00019.22
8.2.80.0000.00818.04
8.2.70.0070.00317.63
8.2.60.0040.00418.05
8.2.50.0000.00818.10
8.2.40.0000.00820.45
8.2.30.0060.00319.20
8.2.20.0030.00718.06
8.2.10.0040.00417.98
8.2.00.0040.00418.05
8.1.280.0140.00825.92
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00021.00
8.1.230.0060.00619.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.38
8.1.190.0030.00617.22
8.1.180.0060.00318.10
8.1.170.0090.00018.57
8.1.160.0000.00819.02
8.1.150.0040.00418.74
8.1.140.0070.00019.39
8.1.130.0000.00718.82
8.1.120.0000.00717.30
8.1.110.0050.00217.26
8.1.100.0000.00717.39
8.1.90.0030.00517.32
8.1.80.0000.00817.36
8.1.70.0040.00417.43
8.1.60.0060.00317.52
8.1.50.0040.00417.35
8.1.40.0040.00417.37
8.1.30.0000.00817.55
8.1.20.0000.00817.58
8.1.10.0090.00017.59
8.1.00.0040.00417.39
8.0.300.0070.00019.98
8.0.290.0000.00716.63
8.0.280.0070.00018.32
8.0.270.0030.00317.13
8.0.260.0030.00316.68
8.0.250.0000.00716.89
8.0.240.0030.00316.94
8.0.230.0000.00816.85
8.0.220.0050.00316.71
8.0.210.0030.00316.79
8.0.200.0040.00416.80
8.0.190.0000.00916.80
8.0.180.0000.00716.91
8.0.170.0000.00716.89
8.0.160.0050.00216.86
8.0.150.0030.00316.72
8.0.140.0030.00316.82
8.0.130.0060.00013.24
8.0.120.0000.00716.82
8.0.110.0040.00416.85
8.0.100.0040.00416.88
8.0.90.0040.00416.69
8.0.80.0120.01216.76
8.0.70.0040.00416.79
8.0.60.0000.00716.79
8.0.50.0040.00416.86
8.0.30.0090.00817.06
8.0.20.0080.01117.40
8.0.10.0040.00416.95
8.0.00.0110.00616.64
7.4.330.0020.00215.55
7.4.320.0030.00316.58
7.4.300.0060.00016.53
7.4.290.0030.00316.43
7.4.280.0030.00516.53
7.4.270.0070.00016.50
7.4.260.0040.00416.45
7.4.250.0040.00416.45
7.4.240.0040.00416.54
7.4.230.0070.00016.37
7.4.220.0150.01216.43
7.4.210.0030.01416.50
7.4.200.0050.00216.52
7.4.160.0120.00616.43
7.4.150.0110.01117.40
7.4.140.0130.00717.86
7.4.130.0060.01916.38
7.4.120.0110.00816.52
7.4.110.0160.00716.52
7.4.100.0080.01116.50
7.4.90.0090.01016.52
7.4.80.0100.00719.39
7.4.70.0080.00816.54
7.4.60.0030.01316.29
7.4.50.0090.00616.52
7.4.40.0070.01016.49
7.4.30.0100.00616.41
7.4.00.0030.00914.77
7.3.330.0000.00613.11
7.3.320.0060.00012.89
7.3.310.0000.00716.16
7.3.300.0000.00616.13
7.3.290.0030.00316.25
7.3.280.0090.00916.17
7.3.270.0070.01117.40
7.3.260.0100.00716.51
7.3.250.0140.00716.22
7.3.240.0090.01116.48
7.3.230.0150.00716.28
7.3.210.0130.00316.50
7.3.200.0120.00316.55
7.3.190.0090.00916.31
7.3.180.0130.00316.34
7.3.170.0060.01216.57
7.3.160.0060.00916.30
7.2.330.0140.01216.42
7.2.320.0140.00316.54
7.2.310.0070.01116.19
7.2.300.0100.00716.59
7.2.290.0100.00616.57
7.2.60.0060.00616.81
7.2.00.0070.00719.41
7.1.200.0100.00315.65
7.1.100.0030.00918.00
7.1.70.0000.01517.13
7.1.60.0200.01035.17
7.1.50.0230.00634.66
7.1.40.0130.01934.29
7.1.30.0210.01034.34
7.1.20.0200.01034.50
7.1.10.0030.01016.67
7.1.00.0080.00616.65
7.0.200.0000.01416.47
7.0.190.0120.00316.83
7.0.180.0070.00716.45
7.0.170.0060.00916.24
7.0.160.0060.00916.28
7.0.150.0030.01016.27
7.0.140.0090.00516.20
7.0.130.0030.01216.36
7.0.120.0030.01216.43
7.0.110.0030.01316.17
7.0.100.0070.00716.14
7.0.90.0110.00416.16
7.0.80.0030.01316.23
7.0.70.0070.00716.43
7.0.60.0110.00316.01
7.0.50.0100.00316.22
7.0.40.0050.00916.44
7.0.30.0000.01416.38
7.0.20.0000.01416.42
7.0.10.0060.00616.29
7.0.00.0030.00916.34

preferences:
44.35 ms | 401 KiB | 5 Q