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)
5.4.340.0030.04012.02
5.4.320.0060.05112.50
5.4.310.0040.04312.32
5.4.300.0090.04912.50
5.4.290.0080.04112.49
5.4.280.0050.04312.39
5.4.270.0090.04012.39
5.4.260.0070.04212.39
5.4.250.0070.03912.39
5.4.240.0040.03612.39
5.4.230.0010.04012.39
5.4.220.0030.03712.39
5.4.210.0060.04112.39
5.4.200.0070.03612.39
5.4.190.0060.03512.38
5.4.180.0060.03412.38
5.4.170.0060.03512.39
5.4.160.0060.03412.38
5.4.150.0050.03512.38
5.4.140.0040.03912.07
5.4.130.0060.03312.05
5.4.120.0060.03312.02
5.4.110.0030.03812.01
5.4.100.0070.03812.02
5.4.90.0050.03612.02
5.4.80.0040.03912.02
5.4.70.0050.03612.01
5.4.60.0040.03612.01
5.4.50.0040.03612.01
5.4.40.0060.03312.00
5.4.30.0050.03512.00
5.4.20.0080.03111.99
5.4.10.0040.03411.99
5.4.00.0060.03411.49
5.3.290.0010.04312.80
5.3.280.0060.03712.71
5.3.270.0050.03712.72
5.3.260.0060.03712.72
5.3.250.0070.03412.72
5.3.240.0040.03812.72
5.3.230.0070.03612.71
5.3.220.0070.03312.68
5.3.210.0030.03912.68
5.3.200.0040.03612.68
5.3.190.0060.04312.68
5.3.180.0050.03612.67
5.3.170.0080.03612.67
5.3.160.0070.03512.67
5.3.150.0050.04412.67
5.3.140.0070.03312.66
5.3.130.0090.03412.66
5.3.120.0020.04112.66
5.3.110.0070.03612.66
5.3.100.0030.03912.12
5.3.90.0040.03712.08
5.3.80.0060.03412.07
5.3.70.0050.03512.08
5.3.60.0050.03912.06
5.3.50.0040.03512.00
5.3.40.0060.04212.00
5.3.30.0060.03911.95
5.3.20.0040.03511.73
5.3.10.0050.04111.70
5.3.00.0070.03411.68
5.2.170.0060.0319.19
5.2.160.0040.0299.19
5.2.150.0040.0309.19
5.2.140.0050.0319.18
5.2.130.0030.0319.14
5.2.120.0050.0279.14
5.2.110.0070.0319.15
5.2.100.0050.0279.14
5.2.90.0050.0329.14
5.2.80.0060.0309.14
5.2.70.0050.0289.14
5.2.60.0040.0309.09
5.2.50.0030.0309.06
5.2.40.0060.0269.04
5.2.30.0040.0379.02
5.2.20.0030.0299.00
5.2.10.0080.0288.93
5.2.00.0040.0298.78
5.1.60.0020.0268.07
5.1.50.0040.0248.06
5.1.40.0020.0258.05
5.1.30.0020.0278.41
5.1.20.0020.0268.42
5.1.10.0020.0268.14
5.1.00.0030.0268.15
5.0.50.0010.0226.62
5.0.40.0030.0196.48
5.0.30.0050.0296.30
5.0.20.0020.0206.27
5.0.10.0050.0246.24
5.0.00.0060.0286.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0030.0284.71
4.4.30.0020.0154.76
4.4.20.0000.0174.85
4.4.10.0050.0134.85
4.4.00.0020.0254.76
4.3.110.0030.0144.67
4.3.100.0030.0144.67
4.3.90.0050.0124.63
4.3.80.0010.0264.58
4.3.70.0030.0134.63
4.3.60.0020.0184.63
4.3.50.0010.0184.62
4.3.40.0040.0274.54
4.3.30.0020.0163.28
4.3.20.0040.0143.27
4.3.10.0020.0173.23
4.3.00.0170.0237.22

preferences:
158.63 ms | 1394 KiB | 7 Q