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run code in 300+ PHP versions simultaneously
<?php class Test{ const ABC♥ = "alphabet"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constants = $class->getConstants(); var_dump($contants); /* for ($i = 0, $max = count($constants); $i < $max; $i++) { if ( mb_strpos( $constants[$i], $bad_char) !== false ) { trigger_error( "'$bad_char' in '$constant'" ); } } // Notice: '♥' in 'ABC♥' ... */

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)
8.3.60.0120.00616.63
8.3.50.0160.00622.88
8.3.40.0070.00718.71
8.3.30.0060.01218.88
8.3.20.0030.00520.34
8.3.10.0040.00423.65
8.3.00.0000.00817.50
8.2.180.0110.01116.75
8.2.170.0040.01119.00
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00420.75
8.2.110.0100.00720.39
8.2.100.0070.00717.72
8.2.90.0030.00518.96
8.2.80.0080.00017.97
8.2.70.0080.00017.25
8.2.60.0080.00017.90
8.2.50.0040.00418.07
8.2.40.0070.00018.09
8.2.30.0000.00718.07
8.2.20.0040.00417.66
8.2.10.0050.00218.11
8.2.00.0040.00417.72
8.1.280.0060.01225.92
8.1.270.0060.00323.82
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0030.00719.16
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0030.00918.42
8.1.160.0000.00821.82
8.1.150.0070.00018.88
8.1.140.0040.00417.44
8.1.130.0040.00417.88
8.1.120.0000.00717.39
8.1.110.0000.00717.44
8.1.100.0000.00717.32
8.1.90.0040.00417.43
8.1.80.0000.00817.41
8.1.70.0070.00017.33
8.1.60.0040.00417.50
8.1.50.0090.00017.45
8.1.40.0080.00017.46
8.1.30.0080.00017.63
8.1.20.0000.00817.59
8.1.10.0000.00717.50
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.32
8.0.270.0040.00417.20
8.0.260.0030.00317.10
8.0.250.0000.00716.81
8.0.240.0030.00316.91
8.0.230.0030.00316.97
8.0.220.0000.00716.96
8.0.210.0000.00716.89
8.0.200.0030.00316.96
8.0.190.0030.00516.95
8.0.180.0040.00416.90
8.0.170.0000.00816.78
8.0.160.0070.00016.76
8.0.150.0040.00716.91
8.0.140.0000.01016.84
8.0.130.0050.00013.20
8.0.120.0000.00816.86
8.0.110.0000.00816.88
8.0.100.0040.00416.93
8.0.90.0000.00717.00
8.0.80.0060.00916.79
8.0.70.0000.00716.86
8.0.60.0070.00016.72
8.0.50.0040.00416.92
8.0.30.0120.00817.00
8.0.20.0120.00617.40
8.0.10.0020.00516.85
8.0.00.0110.00616.68
7.4.330.0000.00515.00
7.4.320.0060.00016.48
7.4.300.0030.00316.36
7.4.290.0030.00316.52
7.4.280.0030.00516.44
7.4.270.0060.00316.57
7.4.260.0070.00016.52
7.4.250.0020.00516.41
7.4.240.0040.00416.55
7.4.230.0070.00016.63
7.4.220.0160.01016.36
7.4.210.0040.01116.44
7.4.200.0040.00416.61
7.4.160.0110.00416.69
7.4.150.0200.00317.40
7.4.140.0080.01017.86
7.4.130.0090.00916.38
7.4.120.0110.00616.40
7.4.110.0060.01016.52
7.4.100.0120.00916.39
7.4.90.0160.00016.29
7.4.80.0110.00719.39
7.4.70.0060.01016.41
7.4.60.0070.01016.33
7.4.50.0040.00416.58
7.4.40.0070.01016.63
7.4.30.0070.00716.48
7.4.00.0050.00314.70
7.3.330.0070.00313.20
7.3.320.0030.00313.23
7.3.310.0050.00216.27
7.3.300.0000.00616.23
7.3.290.0110.00616.23
7.3.280.0070.01116.22
7.3.270.0070.01017.40
7.3.260.0040.01216.25
7.3.240.0030.01316.44
7.3.230.0000.01616.39
7.3.210.0130.00316.46
7.3.200.0140.00619.39
7.3.190.0100.00716.32
7.3.180.0110.00516.36
7.3.170.0090.00616.27
7.3.160.0030.01216.32
7.2.330.0140.00616.33
7.2.320.0140.00716.39
7.2.310.0090.00616.36
7.2.300.0120.00916.44
7.2.290.0070.01016.53
7.2.60.0070.00416.66
7.1.200.0050.00515.55
7.1.100.0000.01118.27
7.1.70.0000.00816.97
7.1.60.0100.01419.40
7.1.50.0000.02416.85
7.1.00.0100.07022.54
7.0.200.0100.00314.75
7.0.140.0000.07322.18
7.0.60.0070.08020.05
7.0.50.0030.04017.87
7.0.40.0000.04720.09
7.0.30.0330.07720.14
7.0.20.0270.08020.21
7.0.10.0070.04020.07
7.0.00.0030.08720.23
5.6.280.0000.07721.09
5.6.210.0070.04320.66
5.6.200.0030.05018.14
5.6.190.0100.03720.55
5.6.180.0300.07720.77
5.6.170.0200.04020.71
5.6.160.0000.04320.54
5.6.150.0100.08318.29
5.6.140.0000.05018.26
5.6.130.0100.08018.14
5.6.120.0030.04721.12
5.6.110.0000.04721.09
5.6.100.0170.07720.98
5.6.90.0030.05720.96
5.6.80.0030.06320.38
5.5.350.0030.06020.41
5.5.340.0070.07717.92
5.5.330.0070.06320.43
5.5.320.0100.07020.36
5.5.310.0430.06020.34
5.5.300.0170.07017.99
5.5.290.0200.07017.98
5.5.280.0030.06320.80
5.5.270.0100.05020.84
5.5.260.0030.08720.79
5.5.250.0100.07020.61
5.5.240.0230.07020.27
5.4.450.0230.04719.49
5.4.440.0130.05019.30
5.4.430.0130.03319.30
5.4.420.0070.05319.29
5.4.410.0230.04719.42
5.4.400.0200.03318.96
5.4.390.0430.04719.27
5.4.380.1000.05318.67
5.4.370.0970.05018.46
5.4.360.1230.06318.57
5.4.350.0830.07718.63
5.4.340.0600.06018.64
5.4.320.0060.03512.49
5.4.310.0090.03812.50
5.4.300.0040.03812.49
5.4.290.0070.03712.49
5.4.280.0040.03812.39
5.4.270.0070.03412.39
5.4.260.0040.03912.39
5.4.250.0060.03712.39
5.4.240.0080.03412.39
5.4.230.0090.04112.38
5.4.220.0040.03712.38
5.4.210.0060.03512.39
5.4.200.0020.04112.38
5.4.190.0050.03712.38
5.4.180.0080.03412.38
5.4.170.0070.03612.39
5.4.160.0070.03712.39
5.4.150.0070.03912.38
5.4.140.0070.04012.07
5.4.130.0050.03812.05
5.4.120.0090.03312.02
5.4.110.0080.03512.01
5.4.100.0070.03812.00
5.4.90.0070.05712.01
5.4.80.0070.03512.01
5.4.70.0070.03812.01
5.4.60.0040.04312.01
5.4.50.0080.03712.00
5.4.40.0040.03811.99
5.4.30.0080.03311.99
5.4.20.0120.03711.99
5.4.10.0080.03711.99
5.4.00.0060.03511.48
5.3.290.0100.03812.80
5.3.280.0070.04112.71
5.3.270.0050.03912.73
5.3.260.0060.04012.72
5.3.250.0100.03512.72
5.3.240.0030.04912.72
5.3.230.0060.04312.71
5.3.220.0120.03512.68
5.3.210.0060.04212.68
5.3.200.0070.04312.68
5.3.190.0060.04212.68
5.3.180.0060.03812.68
5.3.170.0030.04212.67
5.3.160.0060.03612.67
5.3.150.0060.03812.68
5.3.140.0050.03712.66
5.3.130.0070.03812.66
5.3.120.0060.03712.66
5.3.110.0060.04212.65
5.3.100.0080.03612.12
5.3.90.0060.03812.09
5.3.80.0050.03712.09
5.3.70.0080.03512.09
5.3.60.0130.04212.07
5.3.50.0070.04112.02
5.3.40.0060.04712.02
5.3.30.0070.03511.98
5.3.20.0040.03711.76
5.3.10.0060.04211.72
5.3.00.0090.03411.71
5.2.170.0060.0389.21
5.2.160.0060.0339.21
5.2.150.0050.0339.21
5.2.140.0040.0319.21
5.2.130.0030.0319.17
5.2.120.0030.0319.17
5.2.110.0040.0379.18
5.2.100.0030.0309.17
5.2.90.0040.0309.17
5.2.80.0040.0319.17
5.2.70.0040.0329.16
5.2.60.0090.0269.12
5.2.50.0070.0299.09
5.2.40.0080.0289.06
5.2.30.0090.0349.04
5.2.20.0050.0379.03
5.2.10.0030.0338.93
5.2.00.0060.0408.80
5.1.60.0050.0248.08
5.1.50.0030.0268.08
5.1.40.0040.0328.06
5.1.30.0050.0278.40
5.1.20.0050.0328.43
5.1.10.0060.0278.16
5.1.00.0090.0238.15
5.0.50.0050.0226.63
5.0.40.0050.0266.49
5.0.30.0040.0336.31
5.0.20.0010.0226.27
5.0.10.0080.0156.25
5.0.00.0020.0326.24
4.4.90.0040.0224.78
4.4.80.0020.0164.76
4.4.70.0040.0214.76
4.4.60.0040.0194.75
4.4.50.0030.0154.77
4.4.40.0050.0244.70
4.4.30.0030.0164.76
4.4.20.0040.0144.85
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0040.0234.67
4.3.100.0040.0194.66
4.3.90.0040.0174.63
4.3.80.0020.0264.59
4.3.70.0040.0234.63
4.3.60.0030.0174.63
4.3.50.0030.0154.62
4.3.40.0030.0304.54
4.3.30.0030.0223.30
4.3.20.0020.0183.28
4.3.10.0010.0203.23
4.3.00.0070.01315.98

preferences:
38.67 ms | 401 KiB | 5 Q