3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [] var_dump($a['bob']);

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)
5.4.310.0100.04612.49
5.4.300.0110.04912.50
5.4.290.0070.04512.49
5.4.280.0080.04712.39
5.4.270.0160.04212.39
5.4.260.0070.04312.39
5.4.250.0090.04012.39
5.4.240.0070.03712.39
5.4.230.0180.06012.38
5.4.220.0080.05112.38
5.4.210.0130.05312.38
5.4.200.0080.04412.38
5.4.190.0100.04712.38
5.4.180.0100.04212.38
5.4.170.0110.04112.38
5.4.160.0070.04212.38
5.4.150.0110.05212.38
5.4.140.0080.04512.07
5.4.130.0110.05512.05
5.4.120.0070.04212.01
5.4.110.0120.05012.01
5.4.100.0080.05612.01
5.4.90.0100.06912.01
5.4.80.0080.04712.01
5.4.70.0070.04312.01
5.4.60.0100.06512.01
5.4.50.0130.06712.01
5.4.40.0090.04211.99
5.4.30.0090.04511.99
5.4.20.0120.04711.99
5.4.10.0060.04711.99
5.4.00.0060.05411.48
5.3.280.0090.04512.71
5.3.270.0100.04612.72
5.3.260.0100.06412.72
5.3.250.0130.05712.72
5.3.240.0130.05012.72
5.3.230.0100.05612.71
5.3.220.0160.06612.68
5.3.210.0120.06112.68
5.3.200.0100.05412.68
5.3.190.0070.04612.68
5.3.180.0150.05112.68
5.3.170.0120.03912.67
5.3.160.0100.04012.67
5.3.150.0120.04912.67
5.3.140.0170.05312.66
5.3.130.0110.06412.65
5.3.120.0060.04212.66
5.3.110.0070.04912.65
5.3.100.0070.03612.12
5.3.90.0060.03812.08
5.3.80.0080.04012.08
5.3.70.0130.04112.07
5.3.60.0100.04812.06
5.3.50.0090.04012.00
5.3.40.0090.04912.00
5.3.30.0120.05211.95
5.3.20.0070.04311.72
5.3.10.0060.04311.70
5.3.00.0130.06311.68
5.2.170.0090.0419.18
5.2.160.0080.0519.18
5.2.150.0070.0409.18
5.2.140.0120.0349.18
5.2.130.0110.0549.14
5.2.120.0100.0429.14
5.2.110.0050.0369.15
5.2.100.0060.0339.14
5.2.90.0040.0349.14
5.2.80.0090.0329.14
5.2.70.0060.0349.14
5.2.60.0110.0349.09
5.2.50.0080.0359.05
5.2.40.0050.0349.03
5.2.30.0070.0329.01
5.2.20.0080.0329.00
5.2.10.0090.0318.92
5.2.00.0070.0408.78
5.1.60.0070.0298.07
5.1.50.0040.0328.06
5.1.40.0050.0278.05
5.1.30.0080.0298.40
5.1.20.0090.0308.42
5.1.10.0050.0348.14
5.1.00.0040.0318.14
5.0.50.0050.0236.62
5.0.40.0040.0236.48
5.0.30.0050.0356.29
5.0.20.0040.0236.26
5.0.10.0040.0246.24
5.0.00.0040.0366.23
4.4.90.0020.0204.78
4.4.80.0040.0194.76
4.4.70.0030.0194.76
4.4.60.0020.0184.76
4.4.50.0040.0194.77
4.4.40.0020.0304.71
4.4.30.0030.0174.76
4.4.20.0040.0184.84
4.4.10.0040.0184.85
4.4.00.0040.0304.76
4.3.110.0020.0184.67
4.3.100.0050.0164.67
4.3.90.0040.0164.63
4.3.80.0050.0284.58
4.3.70.0040.0194.63
4.3.60.0040.0174.63
4.3.50.0040.0154.63
4.3.40.0050.0244.54
4.3.30.0030.0153.28
4.3.20.0020.0183.26
4.3.10.0020.0183.21
4.3.00.0000.01715.89

preferences:
137.72 ms | 1398 KiB | 7 Q