3v4l.org

run code in 300+ PHP versions simultaneously
<?php isset($a[1])

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)
5.4.320.0060.03612.47
5.4.310.0080.04012.46
5.4.300.0080.03612.46
5.4.290.0070.03912.46
5.4.280.0050.03512.36
5.4.270.0100.04312.36
5.4.260.0060.03712.36
5.4.250.0090.03412.36
5.4.240.0050.03712.36
5.4.230.0010.04212.35
5.4.220.0080.03312.35
5.4.210.0060.03512.35
5.4.200.0100.03312.35
5.4.190.0060.03512.35
5.4.180.0060.03612.35
5.4.170.0110.03112.36
5.4.160.0050.03612.35
5.4.150.0070.03412.35
5.4.140.0040.03912.04
5.4.130.0040.03712.02
5.4.120.0070.03611.98
5.4.110.0030.03611.98
5.4.100.0050.03511.98
5.4.90.0050.03711.98
5.4.80.0070.03511.98
5.4.70.0050.03511.98
5.4.60.0070.03311.98
5.4.50.0080.03311.98
5.4.40.0050.03511.97
5.4.30.0060.03611.96
5.4.20.0060.03711.96
5.4.10.0040.03611.96
5.4.00.0080.03611.45
5.3.290.0070.04112.80
5.3.280.0090.03712.70
5.3.270.0090.03512.72
5.3.260.0050.04112.72
5.3.250.0070.03812.72
5.3.240.0060.03612.72
5.3.230.0060.04012.71
5.3.220.0060.04112.68
5.3.210.0060.03712.68
5.3.200.0050.03612.68
5.3.190.0070.03612.68
5.3.180.0110.03512.67
5.3.170.0040.04212.67
5.3.160.0070.03512.68
5.3.150.0040.04012.68
5.3.140.0030.04012.66
5.3.130.0080.03712.66
5.3.120.0050.04012.66
5.3.110.0060.03912.66
5.3.100.0050.03912.12
5.3.90.0110.03612.09
5.3.80.0080.03412.08
5.3.70.0070.03612.07
5.3.60.0040.03812.06
5.3.50.0090.03312.00
5.3.40.0050.03712.00
5.3.30.0080.03211.95
5.3.20.0050.03611.72
5.3.10.0050.03411.70
5.3.00.0040.03711.68
5.2.170.0030.0319.18
5.2.160.0040.0339.18
5.2.150.0040.0319.18
5.2.140.0040.0309.18
5.2.130.0090.0309.14
5.2.120.0050.0299.14
5.2.110.0040.0299.15
5.2.100.0070.0259.14
5.2.90.0070.0269.14
5.2.80.0050.0309.14
5.2.70.0040.0319.14
5.2.60.0050.0299.09
5.2.50.0060.0359.06
5.2.40.0040.0319.03
5.2.30.0050.0299.02
5.2.20.0060.0339.00
5.2.10.0050.0288.93
5.2.00.0060.0288.78
5.1.60.0040.0278.07
5.1.50.0040.0248.06
5.1.40.0030.0268.05
5.1.30.0070.0298.40
5.1.20.0040.0338.41
5.1.10.0050.0308.14
5.1.00.0060.0368.14
5.0.50.0040.0206.63
5.0.40.0090.0226.48
5.0.30.0060.0366.29
5.0.20.0060.0216.26
5.0.10.0030.0206.24
5.0.00.0020.0436.23
4.4.90.0050.0134.78
4.4.80.0030.0164.76
4.4.70.0040.0204.76
4.4.60.0030.0204.75
4.4.50.0040.0194.77
4.4.40.0030.0284.71
4.4.30.0010.0184.76
4.4.20.0060.0144.84
4.4.10.0000.0214.85
4.4.00.0020.0274.76
4.3.110.0030.0214.66
4.3.100.0050.0174.66
4.3.90.0030.0184.64
4.3.80.0070.0544.58
4.3.70.0070.0194.63
4.3.60.0090.0354.63
4.3.50.0110.0304.63
4.3.40.0040.0294.54
4.3.30.0050.0493.29
4.3.20.0020.0283.26
4.3.10.0040.0213.22
4.3.00.0030.01315.63

preferences:
138.44 ms | 1394 KiB | 7 Q