3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(isset($a['b']['c']))

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)
5.4.190.0080.04712.31
5.4.180.0040.03812.31
5.4.170.0090.04212.33
5.4.160.0120.04112.32
5.4.150.0130.05212.32
5.4.140.0170.03512.00
5.4.130.0140.04511.99
5.4.120.0100.04611.95
5.4.110.0090.04911.95
5.4.100.0130.04311.95
5.4.90.0140.04511.95
5.4.80.0100.04711.95
5.4.70.0160.05611.94
5.4.60.0140.04311.94
5.4.50.0120.04611.95
5.4.40.0130.04511.93
5.4.30.0120.04511.93
5.4.20.0120.05011.93
5.4.10.0130.03811.93
5.4.00.0200.06411.42
5.3.270.0140.04312.72
5.3.260.0220.07212.72
5.3.250.0160.04312.72
5.3.240.0120.04112.72
5.3.230.0100.04512.71
5.3.220.0100.04112.68
5.3.210.0110.04212.68
5.3.200.0130.03812.68
5.3.190.0160.06612.68
5.3.180.0100.04312.67
5.3.170.0100.04312.67
5.3.160.0130.04112.68
5.3.150.0100.04312.67
5.3.140.0120.03912.66
5.3.130.0130.04212.66
5.3.120.0130.04012.65
5.3.110.0130.03812.66
5.3.100.0140.03812.12
5.3.90.0200.04512.09
5.3.80.0090.04212.08
5.3.70.0120.03912.08
5.3.60.0130.03812.06
5.3.50.0100.04412.00
5.3.40.0090.04612.00
5.3.30.0220.05811.95
5.3.20.0100.04011.71
5.3.10.0110.03811.67
5.3.00.0110.04011.66
5.2.170.0090.0369.16
5.2.160.0150.0429.16
5.2.150.0060.0369.16
5.2.140.0080.0349.16
5.2.130.0120.0299.12
5.2.120.0080.0319.12
5.2.110.0100.0319.13
5.2.100.0050.0359.13
5.2.90.0090.0329.12
5.2.80.0120.0369.11
5.2.70.0090.0399.11
5.2.60.0140.0279.07
5.2.50.0100.0329.04
5.2.40.0110.0459.01
5.2.30.0100.0308.99
5.2.20.0130.0268.97
5.2.10.0100.0308.90
5.2.00.0100.0298.76
5.1.60.0080.0258.05
5.1.50.0090.0278.05
5.1.40.0080.0278.03
5.1.30.0160.0348.38
5.1.20.0100.0268.40
5.1.10.0090.0278.13
5.1.00.0070.0288.13
5.0.50.0070.0236.60
5.0.40.0080.0216.46
5.0.30.0070.0326.28
5.0.20.0070.0216.25
5.0.10.0060.0216.22
5.0.00.0110.0326.21
4.4.90.0070.0194.78
4.4.80.0050.0194.76
4.4.70.0030.0194.76
4.4.60.0040.0184.75
4.4.50.0050.0164.77
4.4.40.0070.0254.71
4.4.30.0070.0194.76
4.4.20.0050.0184.85
4.4.10.0050.0164.85
4.4.00.0040.0324.76
4.3.110.0060.0194.67
4.3.100.0120.0394.66
4.3.90.0050.0164.63
4.3.80.0040.0264.58
4.3.70.0060.0154.63
4.3.60.0050.0164.63
4.3.50.0060.0164.63
4.3.40.0080.0234.54
4.3.30.0050.0173.29
4.3.20.0040.0173.27
4.3.10.0020.0183.23
4.3.00.0070.0237.73

preferences:
142.67 ms | 1394 KiB | 7 Q