3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->{123} = '456'; print_r($obj); echo $obj->{123},"\n"; if (isset($obj->{123})) { echo 'Property 123 is set',"\n";} if (property_exists($obj,123)) echo 'Property 123 exists',"\n"; echo $obj->123;

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)
5.4.340.0080.03312.02
5.4.320.0090.04312.50
5.4.310.0060.04012.50
5.4.300.0060.03912.51
5.4.290.0040.04212.50
5.4.280.0060.04612.39
5.4.270.0050.04212.39
5.4.260.0060.03812.39
5.4.250.0040.03912.39
5.4.240.0060.03612.39
5.4.230.0020.04112.38
5.4.220.0050.03812.39
5.4.210.0100.03212.38
5.4.200.0040.04112.38
5.4.190.0080.04112.38
5.4.180.0050.03712.38
5.4.170.0100.03212.39
5.4.160.0040.03712.39
5.4.150.0080.04112.38
5.4.140.0100.04312.07
5.4.130.0040.04012.05
5.4.120.0060.03512.02
5.4.110.0050.04412.02
5.4.100.0090.03812.01
5.4.90.0100.04112.01
5.4.80.0060.04412.02
5.4.70.0060.05112.01
5.4.60.0120.04312.01
5.4.50.0090.03512.02
5.4.40.0090.04912.00
5.4.30.0080.03512.00
5.4.20.0070.04112.00
5.4.10.0070.03812.00
5.4.00.0080.03511.49
5.3.290.0080.04512.80
5.3.280.0090.04112.71
5.3.270.0070.04012.72
5.3.260.0110.04612.72
5.3.250.0100.03312.72
5.3.240.0090.03612.72
5.3.230.0010.04412.71
5.3.220.0070.03912.68
5.3.210.0050.04412.68
5.3.200.0070.03612.68
5.3.190.0070.03712.68
5.3.180.0070.04012.67
5.3.170.0060.03612.67
5.3.160.0050.03612.68
5.3.150.0090.03512.67
5.3.140.0070.03912.66
5.3.130.0100.03612.66
5.3.120.0100.03612.66
5.3.110.0080.03712.66
5.3.100.0040.04012.12
5.3.90.0070.03812.08
5.3.80.0060.03612.07
5.3.70.0060.03612.07
5.3.60.0050.04212.07
5.3.50.0060.04412.00
5.3.40.0030.03912.00
5.3.30.0050.03611.95
5.3.20.0070.03411.73
5.3.10.0060.04211.70
5.3.00.0050.03711.69
5.2.170.0040.0329.19
5.2.160.0050.0289.18
5.2.150.0060.0299.19
5.2.140.0070.0399.18
5.2.130.0050.0339.14
5.2.120.0060.0269.15
5.2.110.0080.0309.15
5.2.100.0050.0299.14
5.2.90.0050.0299.14
5.2.80.0040.0329.14
5.2.70.0050.0349.14
5.2.60.0060.0289.09
5.2.50.0030.0349.06
5.2.40.0060.0289.04
5.2.30.0060.0309.02
5.2.20.0060.0349.00
5.2.10.0070.0298.93
5.2.00.0030.0318.79
5.1.60.0040.0248.07
5.1.50.0040.0338.06
5.1.40.0050.0258.05
5.1.30.0070.0238.40
5.1.20.0040.0278.42
5.1.10.0040.0288.14
5.1.00.0030.0278.14
5.0.50.0040.0226.62
5.0.40.0040.0236.49
5.0.30.0040.0336.29
5.0.20.0020.0216.27
5.0.10.0050.0186.24
5.0.00.0030.0326.23
4.4.90.0030.0164.78
4.4.80.0040.0144.75
4.4.70.0070.0184.76
4.4.60.0060.0174.75
4.4.50.0030.0224.77
4.4.40.0030.0254.71
4.4.30.0040.0154.76
4.4.20.0060.0124.84
4.4.10.0040.0144.84
4.4.00.0040.0244.76
4.3.110.0030.0194.66
4.3.100.0040.0144.67
4.3.90.0030.0144.64
4.3.80.0020.0254.58
4.3.70.0000.0184.63
4.3.60.0050.0184.63
4.3.50.0030.0194.62
4.3.40.0030.0304.54
4.3.30.0020.0173.28
4.3.20.0040.0143.27
4.3.10.0000.0253.22
4.3.00.0070.0237.20

preferences:
139.55 ms | 1394 KiB | 7 Q