3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a = new stdClass(); $a->b = ['c' => 'd']; echo isset($c ? $c->d['a'] : $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)
5.4.270.0030.04112.36
5.4.260.0030.04212.36
5.4.250.0040.04012.36
5.4.240.0060.03512.36
5.4.230.0050.03912.36
5.4.220.0050.03712.35
5.4.210.0050.03612.36
5.4.200.0060.03712.36
5.4.190.0060.04312.35
5.4.180.0030.04412.35
5.4.170.0030.04012.36
5.4.160.0070.03412.35
5.4.150.0050.03612.34
5.4.140.0040.03812.04
5.4.130.0090.03212.02
5.4.120.0040.03711.98
5.4.110.0060.04611.98
5.4.100.0080.03311.98
5.4.90.0050.05111.98
5.4.80.0070.04711.98
5.4.70.0070.03411.98
5.4.60.0070.03311.97
5.4.50.0030.03811.98
5.4.40.0070.03311.96
5.4.30.0020.03911.96
5.4.20.0060.03511.95
5.4.10.0060.03411.96
5.4.00.0060.03611.45
5.3.280.0050.03812.71
5.3.270.0050.03912.72
5.3.260.0080.04112.72
5.3.250.0030.03912.72
5.3.240.0080.03512.71
5.3.230.0080.03612.71
5.3.220.0100.03412.68
5.3.210.0050.04012.68
5.3.200.0060.03612.68
5.3.190.0040.03912.68
5.3.180.0070.03512.68
5.3.170.0060.03612.67
5.3.160.0080.03512.68
5.3.150.0060.03612.67
5.3.140.0070.03512.66
5.3.130.0040.04012.65
5.3.120.0040.03912.66
5.3.110.0060.04012.66
5.3.100.0070.03512.12
5.3.90.0060.03612.08
5.3.80.0050.03712.07
5.3.70.0050.03812.08
5.3.60.0050.04212.06
5.3.50.0030.04112.00
5.3.40.0070.04012.00
5.3.30.0100.03011.94
5.3.20.0080.03611.70
5.3.10.0070.03711.65
5.3.00.0090.03511.64
5.2.170.0080.0329.15
5.2.160.0050.0299.14
5.2.150.0040.0329.14
5.2.140.0050.0309.14
5.2.130.0020.0329.10
5.2.120.0060.0269.10
5.2.110.0040.0309.11
5.2.100.0030.0309.11
5.2.90.0030.0309.09
5.2.80.0030.0319.09
5.2.70.0050.0299.09
5.2.60.0050.0309.05
5.2.50.0030.0319.02
5.2.40.0070.0279.00
5.2.30.0050.0318.97
5.2.20.0040.0298.96
5.2.10.0040.0288.88
5.2.00.0050.0298.74
5.1.60.0060.0268.03
5.1.50.0050.0328.03
5.1.40.0090.0298.01
5.1.30.0070.0348.36
5.1.20.0040.0288.39
5.1.10.0080.0308.11
5.1.00.0040.0268.11
5.0.50.0030.0216.58
5.0.40.0060.0176.44
5.0.30.0030.0316.26
5.0.20.0040.0246.23
5.0.10.0040.0286.20
5.0.00.0030.0316.20
4.4.90.0030.0194.78
4.4.80.0040.0184.75
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0244.70
4.4.30.0020.0164.76
4.4.20.0010.0174.85
4.4.10.0040.0144.85
4.4.00.0050.0224.76
4.3.110.0030.0234.67
4.3.100.0040.0144.66
4.3.90.0030.0144.63
4.3.80.0040.0224.58
4.3.70.0030.0134.63
4.3.60.0030.0134.62
4.3.50.0040.0144.62
4.3.40.0040.0224.54
4.3.30.0030.0153.27
4.3.20.0030.0143.25
4.3.10.0010.0173.21
4.3.00.0130.0306.73

preferences:
143.78 ms | 1394 KiB | 7 Q