3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array("a"=>123); ; if ( isset($test["a"]) ) echo $test["a"]*2;

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)
5.4.310.0030.04112.49
5.4.300.0030.03812.50
5.4.290.0090.03412.49
5.4.280.0020.04212.39
5.4.270.0060.03612.39
5.4.260.0050.04412.39
5.4.250.0080.03512.39
5.4.240.0040.03812.39
5.4.230.0050.03912.38
5.4.220.0050.03612.38
5.4.210.0060.03512.38
5.4.200.0070.03512.38
5.4.190.0040.03612.38
5.4.180.0090.03212.38
5.4.170.0070.03412.38
5.4.160.0070.03312.38
5.4.150.0080.04812.38
5.4.140.0080.04312.07
5.4.130.0050.03412.05
5.4.120.0090.04012.02
5.4.110.0090.03812.01
5.4.100.0050.03512.01
5.4.90.0110.03912.01
5.4.80.0050.04212.01
5.4.70.0100.03012.01
5.4.60.0060.03412.00
5.4.50.0030.03912.01
5.4.40.0050.03712.00
5.4.30.0070.03411.99
5.4.20.0070.03611.99
5.4.10.0060.03912.00
5.4.00.0050.04211.48
5.3.280.0030.03912.71
5.3.270.0100.03912.73
5.3.260.0100.03412.72
5.3.250.0080.03412.71
5.3.240.0030.04012.72
5.3.230.0070.03512.71
5.3.220.0040.03712.68
5.3.210.0030.04012.68
5.3.200.0060.03612.68
5.3.190.0080.03512.68
5.3.180.0070.03512.68
5.3.170.0100.03512.67
5.3.160.0050.03712.67
5.3.150.0070.03512.67
5.3.140.0080.03712.66
5.3.130.0060.03812.66
5.3.120.0090.03512.66
5.3.110.0050.04012.66
5.3.100.0050.03812.12
5.3.90.0090.03912.08
5.3.80.0080.04412.07
5.3.70.0070.03412.07
5.3.60.0080.03212.07
5.3.50.0090.04612.00
5.3.40.0070.03412.00
5.3.30.0080.03211.95
5.3.20.0050.03511.72
5.3.10.0070.03611.70
5.3.00.0040.04011.69
5.2.170.0030.0389.18
5.2.160.0060.0299.18
5.2.150.0060.0289.18
5.2.140.0040.0389.18
5.2.130.0050.0289.14
5.2.120.0070.0299.14
5.2.110.0050.0299.14
5.2.100.0060.0419.14
5.2.90.0070.0269.14
5.2.80.0070.0359.14
5.2.70.0050.0289.14
5.2.60.0040.0299.09
5.2.50.0030.0309.06
5.2.40.0090.0369.04
5.2.30.0070.0269.02
5.2.20.0030.0299.00
5.2.10.0020.0308.93
5.2.00.0040.0328.79
5.1.60.0030.0338.07
5.1.50.0020.0328.07
5.1.40.0060.0288.05
5.1.30.0060.0358.40
5.1.20.0020.0358.42
5.1.10.0070.0308.14
5.1.00.0030.0298.14
5.0.50.0020.0226.63
5.0.40.0050.0256.48
5.0.30.0050.0466.29
5.0.20.0070.0226.27
5.0.10.0030.0216.24
5.0.00.0050.0366.23
4.4.90.0040.0224.77
4.4.80.0040.0204.76
4.4.70.0020.0164.76
4.4.60.0000.0184.75
4.4.50.0020.0174.77
4.4.40.0020.0254.71
4.4.30.0040.0194.76
4.4.20.0050.0194.84
4.4.10.0040.0184.85
4.4.00.0040.0324.76
4.3.110.0030.0224.67
4.3.100.0030.0154.66
4.3.90.0040.0144.63
4.3.80.0060.0214.59
4.3.70.0050.0124.63
4.3.60.0010.0154.62
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0020.0243.29
4.3.20.0020.0183.26
4.3.10.0010.0163.21
4.3.00.0000.0236.91

preferences:
136.3 ms | 1394 KiB | 7 Q