3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const ♥ = "love"; } $class = new ReflectionClass("Test"); $const = "♥"; if ( $class->hasConstant( $const ) ) { $bad_char = "♥"; if ( mb_strpos( $const, $bad_char) ) { exit( "Illegal identifier: $bad_char" ); } }

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)
5.4.320.0070.03912.51
5.4.310.0070.03612.51
5.4.300.0060.03612.51
5.4.290.0050.03812.51
5.4.280.0050.03812.41
5.4.270.0040.03812.41
5.4.260.0040.04112.40
5.4.250.0070.03812.40
5.4.240.0050.03612.41
5.4.230.0070.03912.39
5.4.220.0080.03912.40
5.4.210.0040.04212.39
5.4.200.0070.03812.40
5.4.190.0070.04112.39
5.4.180.0070.03812.39
5.4.170.0040.03712.40
5.4.160.0050.03612.40
5.4.150.0050.03812.39
5.4.140.0060.04212.08
5.4.130.0060.03812.06
5.4.120.0070.03412.03
5.4.110.0080.03812.03
5.4.100.0080.03312.03
5.4.90.0060.03812.03
5.4.80.0050.03612.02
5.4.70.0050.03612.02
5.4.60.0060.03812.02
5.4.50.0050.03412.02
5.4.40.0090.03412.01
5.4.30.0050.03612.01
5.4.20.0050.03512.00
5.4.10.0040.03812.01
5.4.00.0080.03411.50
5.3.290.0070.03912.80
5.3.280.0070.03912.71
5.3.270.0070.04512.72
5.3.260.0050.03812.72
5.3.250.0090.03512.72
5.3.240.0080.03612.72
5.3.230.0060.03812.71
5.3.220.0060.03612.68
5.3.210.0070.03912.68
5.3.200.0080.03412.68
5.3.190.0050.03812.68
5.3.180.0050.03812.68
5.3.170.0070.03512.67
5.3.160.0040.04312.67
5.3.150.0060.03812.67
5.3.140.0080.03512.66
5.3.130.0090.04212.66
5.3.120.0100.03512.66
5.3.110.0050.04112.66
5.3.100.0070.03812.12
5.3.90.0040.03812.10
5.3.80.0070.03912.09
5.3.70.0070.04212.09
5.3.60.0050.03812.07
5.3.50.0040.03812.02
5.3.40.0070.03412.02
5.3.30.0050.03511.98
5.3.20.0070.03511.76
5.3.10.0040.03711.73
5.3.00.0040.03911.72
5.2.170.0050.0309.21
5.2.160.0040.0329.22
5.2.150.0050.0319.21
5.2.140.0050.0309.21
5.2.130.0040.0309.18
5.2.120.0030.0309.17
5.2.110.0040.0329.17
5.2.100.0070.0289.17
5.2.90.0050.0299.17
5.2.80.0040.0329.17
5.2.70.0040.0329.17
5.2.60.0040.0369.13
5.2.50.0050.0319.10
5.2.40.0040.0299.07
5.2.30.0070.0299.04
5.2.20.0050.0319.04
5.2.10.0050.0288.94
5.2.00.0050.0328.80
5.1.60.0020.0258.09
5.1.50.0040.0258.09
5.1.40.0040.0268.06
5.1.30.0050.0258.41
5.1.20.0060.0248.44
5.1.10.0040.0258.16
5.1.00.0050.0248.16
5.0.50.0040.0216.64
5.0.40.0040.0186.50
5.0.30.0020.0326.31
5.0.20.0030.0196.28
5.0.10.0030.0216.26
5.0.00.0020.0326.25
4.4.90.0020.0164.78
4.4.80.0040.0134.76
4.4.70.0020.0164.76
4.4.60.0020.0154.75
4.4.50.0040.0144.77
4.4.40.0020.0274.71
4.4.30.0040.0144.76
4.4.20.0020.0154.85
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0040.0144.67
4.3.90.0020.0144.63
4.3.80.0040.0254.58
4.3.70.0030.0164.63
4.3.60.0030.0134.63
4.3.50.0020.0204.63
4.3.40.0040.0234.54
4.3.30.0030.0183.30
4.3.20.0040.0193.28
4.3.10.0020.0153.24
4.3.00.0000.01315.98

preferences:
154.6 ms | 1394 KiB | 7 Q