3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=[];$a[6]=&$a; var_dump([$a,$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)
8.3.60.0210.00018.31
8.3.50.0130.00822.05
8.3.40.0110.00418.64
8.3.30.0060.00918.84
8.3.20.0000.00820.29
8.3.10.0080.00020.48
8.3.00.0050.00221.90
8.2.180.0180.00316.63
8.2.170.0040.01122.96
8.2.160.0100.00319.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00421.12
8.2.120.0000.00726.35
8.2.110.0030.00719.39
8.2.100.0090.00317.80
8.2.90.0040.00419.22
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0090.00017.93
8.2.50.0060.00318.09
8.2.40.0050.00520.56
8.2.30.0000.00819.55
8.2.20.0030.00517.76
8.2.10.0000.00717.98
8.2.00.0070.00017.93
8.1.280.0170.00325.92
8.1.270.0030.00522.14
8.1.260.0030.00628.09
8.1.250.0050.00528.09
8.1.240.0060.00322.01
8.1.230.0100.00319.15
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00517.23
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0000.00818.50
8.1.160.0020.00520.64
8.1.150.0030.00318.80
8.1.140.0000.00819.55
8.1.130.0000.00717.61
8.1.120.0040.00417.43
8.1.110.0000.00817.39
8.1.100.0050.00317.46
8.1.90.0040.00417.49
8.1.80.0040.00417.50
8.1.70.0030.00317.45
8.1.60.0000.00817.55
8.1.50.0000.00817.54
8.1.40.0000.00817.50
8.1.30.0040.00417.48
8.1.20.0000.00817.51
8.1.10.0040.00417.54
8.1.00.0080.00017.34
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0020.00517.18
8.0.260.0030.00317.25
8.0.250.0000.00817.00
8.0.240.0040.00417.00
8.0.230.0070.00016.88
8.0.220.0000.00716.81
8.0.210.0000.00716.85
8.0.200.0030.00316.97
8.0.190.0040.00416.86
8.0.180.0050.00316.92
8.0.170.0040.00416.82
8.0.160.0030.00316.87
8.0.150.0040.00416.82
8.0.140.0040.00316.82
8.0.130.0000.00713.34
8.0.120.0060.00316.77
8.0.110.0000.00716.90
8.0.100.0070.00016.88
8.0.90.0040.00416.88
8.0.80.0150.00616.95
8.0.70.0000.00716.76
8.0.60.0030.00516.85
8.0.50.0040.00416.84
8.0.30.0100.00717.16
8.0.20.0090.01017.40
8.0.10.0000.00717.08
8.0.00.0070.01416.66
7.4.330.0050.00016.77
7.4.320.0030.00316.50
7.4.300.0000.00616.65
7.4.290.0030.00316.64
7.4.280.0080.00016.64
7.4.270.0000.00716.63
7.4.260.0050.00416.52
7.4.250.0000.00816.57
7.4.240.0030.00316.65
7.4.230.0040.00416.71
7.4.220.0160.00716.63
7.4.210.0060.01316.55
7.4.200.0030.00316.50
7.4.160.0130.00716.40
7.4.150.0080.00817.40
7.4.140.0120.00717.86
7.4.130.0140.00616.44
7.4.120.0120.00716.54
7.4.110.0160.00816.57
7.4.100.0110.01116.45
7.4.90.0140.00516.44
7.4.80.0070.01019.39
7.4.70.0120.00416.64
7.4.60.0110.00716.54
7.4.50.0100.00616.32
7.4.40.0160.00016.46
7.4.30.0060.01216.41
7.4.00.0000.01314.93
7.3.330.0040.00213.20
7.3.320.0000.00513.14
7.3.310.0040.00416.34
7.3.300.0070.00016.25
7.3.290.0060.01016.24
7.3.280.0080.01016.29
7.3.270.0040.01217.40
7.3.260.0100.00716.43
7.3.250.0120.00816.30
7.3.240.0150.00216.45
7.3.230.0100.01116.39
7.3.210.0080.00816.43
7.3.200.0090.01016.46
7.3.190.0080.00816.36
7.3.180.0130.00716.43
7.3.170.0070.01016.37
7.3.160.0110.00516.24
7.2.330.0090.00916.61
7.2.320.0170.00716.21
7.2.310.0090.01116.37
7.2.300.0170.00016.23
7.2.290.0100.01316.53
7.2.60.0080.00316.87
7.2.00.0060.00919.41
7.1.200.0040.00415.77
7.1.100.0060.01018.14
7.1.70.0080.00017.16
7.1.60.0100.01419.19
7.1.50.0040.01816.96
7.1.00.0030.07722.51
7.0.200.0510.00714.32
7.0.60.0070.08721.80
7.0.50.0070.08317.78
7.0.40.0130.07720.40
7.0.30.0300.07320.01
7.0.20.0330.05320.17
7.0.10.0130.06020.04
7.0.00.0030.07320.11
5.6.280.0070.04721.09
5.6.210.0100.07320.47
5.6.200.0100.08018.13
5.6.190.0070.07020.45
5.6.180.0170.04320.41
5.6.170.0230.05720.41
5.6.160.0000.09020.50
5.6.150.0030.08318.18
5.6.140.0130.05718.08
5.6.130.0100.07718.18
5.6.120.0100.06321.04
5.6.110.0070.08321.13
5.6.100.0130.03321.00
5.6.90.0070.08020.99
5.6.80.0000.07720.28
5.5.350.0300.07720.42
5.5.340.0070.08317.89
5.5.330.0200.07020.57
5.5.320.0570.06020.28
5.5.310.0270.07320.20
5.5.300.0170.06717.91
5.5.290.0200.07317.95
5.5.280.0100.07720.88
5.5.270.0100.08320.83
5.5.260.0170.06020.66
5.5.250.0100.08020.54
5.5.240.0030.09320.25

preferences:
61.43 ms | 401 KiB | 5 Q