3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a['a']['b'] = 42; str = "['a']['b']"; echo $a$str;

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)
5.4.340.0060.03412.01
5.4.320.0120.04312.50
5.4.310.0110.04512.50
5.4.300.0090.03412.49
5.4.290.0050.04412.49
5.4.280.0060.03912.39
5.4.270.0060.03712.39
5.4.260.0030.04312.39
5.4.250.0060.03812.39
5.4.240.0060.03712.39
5.4.230.0080.03812.38
5.4.220.0050.04312.38
5.4.210.0070.03812.38
5.4.200.0030.04112.38
5.4.190.0050.03812.38
5.4.180.0070.03612.38
5.4.170.0070.03612.38
5.4.160.0070.03412.38
5.4.150.0040.03912.38
5.4.140.0030.04112.07
5.4.130.0070.04212.05
5.4.120.0070.03712.02
5.4.110.0080.03812.01
5.4.100.0080.04212.01
5.4.90.0080.03812.01
5.4.80.0040.03812.01
5.4.70.0050.03512.01
5.4.60.0060.03812.01
5.4.50.0060.03812.00
5.4.40.0070.03412.00
5.4.30.0030.04012.00
5.4.20.0060.03711.98
5.4.10.0020.03911.99
5.4.00.0060.04611.48
5.3.290.0030.04512.80
5.3.280.0080.03712.71
5.3.270.0090.04312.73
5.3.260.0070.03912.72
5.3.250.0070.04712.72
5.3.240.0030.04012.72
5.3.230.0040.04012.71
5.3.220.0090.03512.68
5.3.210.0110.04012.68
5.3.200.0070.03712.68
5.3.190.0110.03512.68
5.3.180.0100.03212.68
5.3.170.0050.03712.67
5.3.160.0070.03512.67
5.3.150.0050.03912.68
5.3.140.0060.03612.66
5.3.130.0070.03812.66
5.3.120.0030.04112.66
5.3.110.0090.03812.66
5.3.100.0060.03712.12
5.3.90.0070.03812.09
5.3.80.0060.04212.08
5.3.70.0070.04112.07
5.3.60.0110.04712.06
5.3.50.0110.04312.00
5.3.40.0090.03812.00
5.3.30.0070.03511.95
5.3.20.0040.03611.72
5.3.10.0070.03911.70
5.3.00.0100.03611.68
5.2.170.0090.0329.18
5.2.160.0040.0309.18
5.2.150.0040.0319.18
5.2.140.0050.0309.18
5.2.130.0050.0299.14
5.2.120.0040.0299.14
5.2.110.0060.0339.14
5.2.100.0060.0329.14
5.2.90.0090.0349.14
5.2.80.0050.0399.14
5.2.70.0050.0309.14
5.2.60.0060.0289.09
5.2.50.0060.0289.06
5.2.40.0080.0289.04
5.2.30.0030.0339.01
5.2.20.0020.0319.00
5.2.10.0040.0298.92
5.2.00.0040.0328.78
5.1.60.0030.0278.07
5.1.50.0070.0228.06
5.1.40.0030.0258.04
5.1.30.0020.0298.40
5.1.20.0030.0278.42
5.1.10.0050.0268.14
5.1.00.0060.0238.14
5.0.50.0060.0186.62
5.0.40.0040.0256.48
5.0.30.0030.0356.29
5.0.20.0030.0236.26
5.0.10.0030.0206.24
5.0.00.0050.0296.23
4.4.90.0040.0144.78
4.4.80.0040.0144.75
4.4.70.0040.0164.75
4.4.60.0040.0164.75
4.4.50.0040.0154.77
4.4.40.0050.0244.71
4.4.30.0010.0184.76
4.4.20.0020.0174.84
4.4.10.0020.0174.85
4.4.00.0030.0314.76
4.3.110.0060.0174.67
4.3.100.0040.0164.66
4.3.90.0040.0144.63
4.3.80.0050.0224.58
4.3.70.0030.0134.63
4.3.60.0030.0134.63
4.3.50.0010.0174.62
4.3.40.0030.0234.54
4.3.30.0000.0193.29
4.3.20.0010.0163.26
4.3.10.0020.0153.22
4.3.00.0000.0236.95

preferences:
135.59 ms | 1394 KiB | 7 Q