3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestClass{} $test = new TestClass(); var_dump(isset(test));

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)
5.4.340.0630.00019.26
5.4.320.0090.03312.51
5.4.310.0030.04012.51
5.4.300.0090.03312.51
5.4.290.0080.04112.51
5.4.280.0050.03712.41
5.4.270.0070.03612.40
5.4.260.0060.04412.40
5.4.250.0080.03712.41
5.4.240.0050.04312.40
5.4.230.0050.03912.40
5.4.220.0050.03712.40
5.4.210.0030.03812.39
5.4.200.0080.03512.40
5.4.190.0050.03612.39
5.4.180.0070.03412.39
5.4.170.0090.03612.40
5.4.160.0040.03812.40
5.4.150.0080.03312.39
5.4.140.0050.03812.09
5.4.130.0040.03712.07
5.4.120.0040.03612.03
5.4.110.0070.03412.02
5.4.100.0080.04512.03
5.4.90.0070.03812.02
5.4.80.0080.03812.02
5.4.70.0080.03712.03
5.4.60.0070.04212.02
5.4.50.0090.03212.02
5.4.40.0040.03612.01
5.4.30.0090.03512.01
5.4.20.0050.03912.00
5.4.10.0070.03212.01
5.4.00.0080.03311.50
5.3.290.0050.03912.80
5.3.280.0020.04112.71
5.3.270.0070.03712.73
5.3.260.0120.03312.72
5.3.250.0050.03712.72
5.3.240.0070.03712.72
5.3.230.0060.03812.71
5.3.220.0080.04112.68
5.3.210.0060.04212.68
5.3.200.0120.03312.68
5.3.190.0070.03812.68
5.3.180.0080.03812.67
5.3.170.0010.04112.67
5.3.160.0090.04812.68
5.3.150.0100.04012.67
5.3.140.0070.03612.66
5.3.130.0060.03912.66
5.3.120.0080.03712.66
5.3.110.0060.03812.66
5.3.100.0020.04012.12
5.3.90.0040.03712.10
5.3.80.0080.03312.09
5.3.70.0050.03612.09
5.3.60.0050.03712.07
5.3.50.0030.03912.02
5.3.40.0070.03612.02
5.3.30.0040.03811.98
5.3.20.0140.03411.76
5.3.10.0070.04211.73
5.3.00.0080.03811.71
5.2.170.0040.0379.22
5.2.160.0070.0289.21
5.2.150.0030.0339.21
5.2.140.0040.0349.21
5.2.130.0090.0309.17
5.2.120.0030.0299.17
5.2.110.0060.0349.18
5.2.100.0050.0349.17
5.2.90.0040.0299.18
5.2.80.0050.0299.17
5.2.70.0040.0309.17
5.2.60.0080.0319.13
5.2.50.0030.0309.10
5.2.40.0040.0319.07
5.2.30.0020.0319.04
5.2.20.0050.0289.04
5.2.10.0070.0328.94
5.2.00.0040.0298.80
5.1.60.0050.0238.09
5.1.50.0050.0318.09
5.1.40.0050.0248.07
5.1.30.0030.0348.42
5.1.20.0040.0318.43
5.1.10.0050.0248.16
5.1.00.0040.0318.16
5.0.50.0070.0226.63
5.0.40.0100.0266.50
5.0.30.0030.0326.31
5.0.20.0030.0236.27
5.0.10.0040.0196.26
5.0.00.0040.0336.25
4.4.90.0050.0124.78
4.4.80.0010.0164.75
4.4.70.0020.0164.75
4.4.60.0030.0174.75
4.4.50.0060.0124.77
4.4.40.0010.0264.71
4.4.30.0020.0184.76
4.4.20.0020.0164.85
4.4.10.0050.0124.85
4.4.00.0040.0304.76
4.3.110.0010.0244.66
4.3.100.0020.0154.66
4.3.90.0030.0224.63
4.3.80.0030.0234.59
4.3.70.0020.0174.63
4.3.60.0030.0144.63
4.3.50.0050.0214.63
4.3.40.0040.0354.54
4.3.30.0030.0153.30
4.3.20.0010.0173.28
4.3.10.0020.0163.23
4.3.00.0000.02013.59

preferences:
140.06 ms | 1394 KiB | 7 Q