3v4l.org

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

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)
5.4.340.0060.03311.98
5.4.320.0070.03512.47
5.4.310.0070.03612.46
5.4.300.0100.03612.47
5.4.290.0070.04612.46
5.4.280.0060.03512.36
5.4.270.0070.04212.36
5.4.260.0040.04312.36
5.4.250.0040.04112.36
5.4.240.0030.03912.36
5.4.230.0050.03712.36
5.4.220.0060.03412.36
5.4.210.0060.03312.36
5.4.200.0040.03812.35
5.4.190.0030.03712.35
5.4.180.0070.04512.35
5.4.170.0050.03512.36
5.4.160.0080.03512.36
5.4.150.0050.04012.36
5.4.140.0090.03412.04
5.4.130.0040.03712.03
5.4.120.0050.04511.99
5.4.110.0050.03511.99
5.4.100.0080.03311.98
5.4.90.0050.04011.98
5.4.80.0080.03611.98
5.4.70.0050.03511.98
5.4.60.0080.03311.98
5.4.50.0060.03411.98
5.4.40.0070.03211.97
5.4.30.0080.03711.96
5.4.20.0030.04111.96
5.4.10.0070.03711.96
5.4.00.0070.03511.46
5.3.290.0110.03812.80
5.3.280.0050.04112.70
5.3.270.0080.04212.73
5.3.260.0050.03912.72
5.3.250.0060.03712.72
5.3.240.0060.03512.71
5.3.230.0110.03712.71
5.3.220.0070.03512.68
5.3.210.0070.04212.68
5.3.200.0070.03512.68
5.3.190.0070.04012.68
5.3.180.0040.03912.68
5.3.170.0060.03412.67
5.3.160.0050.04112.68
5.3.150.0060.03712.67
5.3.140.0040.03712.66
5.3.130.0080.03612.66
5.3.120.0070.04112.66
5.3.110.0060.03812.66
5.3.100.0050.03712.12
5.3.90.0060.03712.08
5.3.80.0060.03512.08
5.3.70.0050.03712.07
5.3.60.0060.03712.06
5.3.50.0040.03812.00
5.3.40.0040.03912.00
5.3.30.0060.03611.95
5.3.20.0100.03111.73
5.3.10.0040.04111.70
5.3.00.0050.03811.68
5.2.170.0060.0299.18
5.2.160.0040.0329.19
5.2.150.0050.0359.19
5.2.140.0050.0299.18
5.2.130.0050.0329.14
5.2.120.0030.0309.14
5.2.110.0060.0349.15
5.2.100.0060.0309.14
5.2.90.0020.0349.14
5.2.80.0040.0309.14
5.2.70.0040.0319.14
5.2.60.0030.0319.09
5.2.50.0050.0299.06
5.2.40.0040.0299.04
5.2.30.0050.0329.02
5.2.20.0050.0289.01
5.2.10.0040.0288.93
5.2.00.0060.0268.79
5.1.60.0050.0288.07
5.1.50.0040.0298.06
5.1.40.0030.0248.05
5.1.30.0060.0268.40
5.1.20.0030.0338.42
5.1.10.0080.0218.14
5.1.00.0020.0288.14
5.0.50.0040.0206.63
5.0.40.0040.0226.48
5.0.30.0030.0316.30
5.0.20.0020.0206.27
5.0.10.0030.0206.25
5.0.00.0030.0316.23
4.4.90.0010.0174.77
4.4.80.0030.0144.75
4.4.70.0030.0194.76
4.4.60.0030.0194.76
4.4.50.0030.0144.77
4.4.40.0060.0224.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0020.0224.67
4.3.100.0030.0194.67
4.3.90.0030.0174.64
4.3.80.0050.0224.59
4.3.70.0030.0154.63
4.3.60.0050.0124.63
4.3.50.0020.0154.63
4.3.40.0030.0234.54
4.3.30.0010.0163.28
4.3.20.0030.0143.27
4.3.10.0020.0273.22
4.3.00.0030.0207.22

preferences:
140.68 ms | 1394 KiB | 7 Q