3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const ♥ = "love"; } $class = new ReflectionClass("Test"); $constant = "♥"; $bad_char = "♥"; if ( $class->hasConstant( $constant ) ) { if ( mb_strpos( $constant, $bad_char) !== false ) { trigger_error( "Bad Usage: $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)
5.4.320.0030.04612.51
5.4.310.0040.03912.51
5.4.300.0060.03612.51
5.4.290.0040.03912.50
5.4.280.0050.03512.40
5.4.270.0040.03712.41
5.4.260.0080.03412.40
5.4.250.0040.04012.41
5.4.240.0070.03812.40
5.4.230.0070.03812.39
5.4.220.0060.03712.40
5.4.210.0060.03712.40
5.4.200.0040.04312.39
5.4.190.0050.03512.39
5.4.180.0080.03412.39
5.4.170.0100.03612.40
5.4.160.0040.04812.40
5.4.150.0040.04112.39
5.4.140.0070.03512.09
5.4.130.0050.04312.07
5.4.120.0060.04112.03
5.4.110.0040.03512.02
5.4.100.0060.03612.03
5.4.90.0110.04012.02
5.4.80.0060.04212.03
5.4.70.0050.03512.02
5.4.60.0030.03712.02
5.4.50.0020.03812.03
5.4.40.0070.03212.01
5.4.30.0080.03312.01
5.4.20.0090.03612.00
5.4.10.0040.03912.01
5.4.00.0070.03911.50
5.3.290.0070.03912.80
5.3.280.0070.03612.70
5.3.270.0070.04612.72
5.3.260.0070.04112.72
5.3.250.0080.03812.71
5.3.240.0090.03612.72
5.3.230.0070.04612.71
5.3.220.0030.03912.68
5.3.210.0070.04112.68
5.3.200.0050.03612.68
5.3.190.0030.03912.68
5.3.180.0060.04412.68
5.3.170.0060.04112.67
5.3.160.0070.03912.67
5.3.150.0060.03612.67
5.3.140.0090.03812.66
5.3.130.0060.04712.66
5.3.120.0070.03712.66
5.3.110.0030.03912.65
5.3.100.0050.03612.12
5.3.90.0040.03612.10
5.3.80.0050.03612.09
5.3.70.0060.03512.09
5.3.60.0060.03712.08
5.3.50.0060.03912.02
5.3.40.0100.03512.02
5.3.30.0070.04111.98
5.3.20.0060.03511.76
5.3.10.0050.03711.73
5.3.00.0060.04211.72
5.2.170.0030.0329.22
5.2.160.0030.0309.22
5.2.150.0020.0339.22
5.2.140.0060.0379.22
5.2.130.0070.0269.18
5.2.120.0040.0289.18
5.2.110.0020.0319.18
5.2.100.0030.0299.18
5.2.90.0040.0299.17
5.2.80.0050.0299.17
5.2.70.0020.0349.17
5.2.60.0050.0299.13
5.2.50.0060.0399.09
5.2.40.0020.0329.07
5.2.30.0060.0309.04
5.2.20.0040.0289.04
5.2.10.0030.0298.94
5.2.00.0030.0318.80
5.1.60.0060.0248.09
5.1.50.0060.0228.09
5.1.40.0060.0228.06
5.1.30.0070.0268.42
5.1.20.0020.0288.43
5.1.10.0070.0228.17
5.1.00.0050.0248.16
5.0.50.0040.0196.64
5.0.40.0030.0196.50
5.0.30.0050.0286.31
5.0.20.0030.0196.28
5.0.10.0040.0186.25
5.0.00.0010.0336.25
4.4.90.0010.0174.78
4.4.80.0020.0154.76
4.4.70.0020.0164.75
4.4.60.0020.0194.75
4.4.50.0020.0154.77
4.4.40.0060.0214.71
4.4.30.0020.0154.75
4.4.20.0020.0154.85
4.4.10.0030.0144.85
4.4.00.0080.0254.76
4.3.110.0040.0144.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0020.0294.58
4.3.70.0040.0144.63
4.3.60.0020.0174.63
4.3.50.0050.0204.63
4.3.40.0030.0234.54
4.3.30.0010.0163.30
4.3.20.0010.0203.28
4.3.10.0020.0163.24
4.3.00.0070.01315.98

preferences:
140.69 ms | 1394 KiB | 7 Q