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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(); $keys = array_keys($constants); for ( $i=0, $ct=count($keys); $i < $ct; $i++) { if ( strstr( $keys[$i], $bad_char) !== false ) { var_dump(strlen($keys[$i]),$bad_char); trigger_error( "'$bad_char' in '$keys[$i]" ); }} // Notice: '♥' in 'ABC ♥' in …

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)
8.3.60.0030.01716.38
8.3.50.0130.00322.83
8.3.40.0150.00018.79
8.3.30.0070.00719.09
8.3.20.0080.00020.39
8.3.10.0000.00723.65
8.3.00.0050.00319.27
8.2.180.0070.00718.29
8.2.170.0100.01022.96
8.2.160.0050.00820.58
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0180.00026.16
8.2.120.0080.00021.09
8.2.110.0030.00620.58
8.2.100.0040.00818.00
8.2.90.0030.00619.21
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00418.00
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0000.00818.00
8.2.20.0060.00317.63
8.2.10.0000.00718.13
8.2.00.0050.00217.75
8.1.280.0110.00325.92
8.1.270.0050.00323.71
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0040.00423.84
8.1.230.0030.00718.98
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.13
8.1.190.0030.00516.99
8.1.180.0080.00018.10
8.1.170.0030.00618.72
8.1.160.0000.00721.93
8.1.150.0050.00218.89
8.1.140.0000.00717.46
8.1.130.0030.00317.74
8.1.120.0050.00317.44
8.1.110.0000.00817.52
8.1.100.0040.00417.36
8.1.90.0040.00417.39
8.1.80.0050.00217.42
8.1.70.0050.00317.36
8.1.60.0030.00617.50
8.1.50.0040.00417.41
8.1.40.0050.00517.53
8.1.30.0060.00317.50
8.1.20.0020.00517.61
8.1.10.0040.00417.54
8.1.00.0030.00617.56
8.0.300.0000.00719.64
8.0.290.0050.00316.88
8.0.280.0040.00418.42
8.0.270.0000.00717.26
8.0.260.0000.00717.26
8.0.250.0030.00316.91
8.0.240.0030.00317.06
8.0.230.0040.00416.90
8.0.220.0000.00716.82
8.0.210.0030.00516.85
8.0.200.0000.00717.05
8.0.190.0000.00817.04
8.0.180.0070.00016.98
8.0.170.0040.00416.91
8.0.160.0000.00817.00
8.0.150.0090.00016.80
8.0.140.0030.00416.80
8.0.130.0060.00313.36
8.0.120.0040.00416.97
8.0.110.0000.00716.85
8.0.100.0050.00216.94
8.0.90.0000.00716.78
8.0.80.0080.00816.93
8.0.70.0000.00816.79
8.0.60.0040.00416.80
8.0.50.0050.00316.90
8.0.30.0110.01017.15
8.0.20.0100.01017.40
8.0.10.0000.00717.05
8.0.00.0120.00516.68
7.4.330.0030.00315.20
7.4.320.0000.00616.42
7.4.300.0070.00016.54
7.4.290.0030.00316.66
7.4.280.0080.00016.61
7.4.270.0000.00716.53
7.4.260.0040.00416.60
7.4.250.0080.00016.48
7.4.240.0040.00316.53
7.4.230.0030.00316.52
7.4.220.0060.01216.61
7.4.210.0040.01216.60
7.4.200.0070.00016.52
7.4.160.0180.01816.50
7.4.150.0090.01017.40
7.4.140.0120.00617.86
7.4.130.0060.01016.52
7.4.120.0060.01116.65
7.4.110.0130.00716.66
7.4.100.0140.00416.68
7.4.90.0100.01316.52
7.4.80.0120.00819.39
7.4.70.0070.01716.37
7.4.60.0160.00716.41
7.4.50.0000.00416.51
7.4.40.0150.00716.56
7.4.30.0120.00416.50
7.4.00.0030.00915.16
7.3.330.0000.00713.45
7.3.320.0000.00713.47
7.3.310.0030.00316.44
7.3.300.0000.00616.47
7.3.290.0110.00316.46
7.3.280.0100.00916.43
7.3.270.0090.00917.40
7.3.260.0120.00616.54
7.3.250.0120.00616.56
7.3.240.0030.01316.55
7.3.230.0100.00716.55
7.3.210.0100.00716.34
7.3.200.0060.01119.39
7.3.190.0090.01216.46
7.3.180.0120.00316.43
7.3.170.0090.01216.46
7.3.160.0030.01216.66
7.3.10.0090.00616.77
7.3.00.0030.00716.75
7.2.330.0140.03316.83
7.2.320.0040.01516.56
7.2.310.0080.00816.67
7.2.300.0090.00916.75
7.2.290.0090.01216.82
7.2.130.0110.00416.71
7.2.120.0040.01116.98
7.2.110.0000.01616.95
7.2.100.0030.01016.87
7.2.90.0100.00716.94
7.2.80.0060.00617.11
7.2.70.0070.00716.84
7.2.60.0090.00616.84
7.2.50.0060.01016.84
7.2.40.0060.00617.07
7.2.30.0060.00617.11
7.2.20.0080.00817.02
7.2.10.0040.00816.89
7.2.00.0090.00518.13
7.1.250.0070.01016.02
7.1.100.0030.00817.99
7.1.70.0040.01117.35
7.1.60.0150.01119.40
7.1.50.0100.01417.04
7.1.00.0000.08022.32
7.0.200.0100.00714.84
7.0.140.0000.07021.92
7.0.120.0070.07022.04
7.0.110.0100.08022.11
7.0.100.0030.04322.18
7.0.90.0070.04022.15
7.0.80.0070.06022.21
7.0.70.0030.07021.98
7.0.60.0000.05721.92
7.0.50.0030.07022.08
7.0.40.0070.07320.00
7.0.30.0130.05319.96
7.0.20.0100.04320.09
7.0.10.0130.04320.14
7.0.00.0100.06719.92
5.6.280.0170.06021.11
5.6.270.0100.03321.08
5.6.260.0000.05020.93
5.6.250.0100.05321.08
5.6.240.0100.04320.83
5.6.230.0100.06721.04
5.6.220.0070.07020.80
5.6.210.0130.07321.02
5.6.200.0000.06320.75
5.6.190.0100.04320.89
5.6.180.0070.06720.70
5.6.170.0100.07720.75
5.6.160.0000.04720.69
5.6.150.0100.06720.70
5.6.140.0030.05720.93
5.6.130.0070.08320.77
5.6.120.0070.08720.92
5.6.110.0100.03721.02
5.6.100.0030.04320.79
5.6.90.0130.07320.86
5.6.80.0030.08320.16
5.6.70.0130.04020.15
5.6.60.0170.02720.36
5.6.50.0030.05720.25
5.6.40.0100.05720.16
5.6.30.0000.06320.22
5.6.20.0030.06020.16
5.6.10.0070.07720.24
5.6.00.0030.06720.29
5.5.380.0070.05317.52
5.5.370.0070.10017.56
5.5.360.0100.04317.72
5.5.350.0030.07717.57
5.5.340.0030.07317.93
5.5.330.0070.04718.09
5.5.320.0070.04318.05
5.5.310.0130.07018.13
5.5.300.0100.03718.09
5.5.290.0030.05317.91
5.5.280.0030.04318.04
5.5.270.0000.06718.11
5.5.260.0130.07018.09
5.5.250.0030.05017.73
5.5.240.0070.07017.32
5.5.230.0100.04317.29
5.5.220.0100.06017.30
5.5.210.0100.08017.31
5.5.200.0070.04317.28
5.5.190.0100.05017.43
5.5.180.0170.05317.26
5.5.160.0070.06317.40
5.5.150.0070.07317.42
5.5.140.0100.07317.32
5.5.130.0170.07017.58
5.5.120.0070.04017.43
5.5.110.0070.04717.42
5.5.100.0130.07017.33
5.5.90.0070.07017.20
5.5.80.0030.05317.34
5.5.70.0100.07017.33
5.5.60.0030.04017.29
5.5.50.0030.08317.20
5.5.40.0030.05017.32
5.5.30.0000.03717.31
5.5.20.0030.07717.33
5.5.10.0030.03717.17
5.5.00.0070.03717.16
5.4.450.0100.07719.30
5.4.440.0100.07319.28
5.4.430.0070.07019.43
5.4.420.0070.04319.41
5.4.410.0130.07719.16
5.4.400.0100.04319.12
5.4.390.0100.06318.96
5.4.380.0130.07319.26
5.4.370.0030.06019.11
5.4.360.0030.04319.04
5.4.350.0070.07318.96
5.4.340.0100.05718.96
5.4.320.0030.06719.15
5.4.310.0030.07719.17
5.4.300.0070.07019.25
5.4.290.0100.06719.29
5.4.280.0030.08018.93
5.4.270.0130.05719.09
5.4.260.0100.03719.28
5.4.250.0070.07718.93
5.4.240.0100.08018.98
5.4.230.0030.05319.17
5.4.220.0070.06019.08
5.4.210.0030.05019.26
5.4.200.0070.06019.18
5.4.190.0130.05019.10
5.4.180.0030.05018.96
5.4.170.0000.07718.92
5.4.160.0000.07719.16
5.4.150.0030.06719.19
5.4.140.0030.07316.31
5.4.130.0100.05316.25
5.4.120.0070.03316.22
5.4.110.0030.03316.37
5.4.100.0030.05016.42
5.4.90.0030.07316.54
5.4.80.0130.03016.35
5.4.70.0070.07016.40
5.4.60.0030.07016.52
5.4.50.0030.04316.39
5.4.40.0030.06016.38
5.4.30.0070.06316.46
5.4.20.0100.07016.28
5.4.10.0030.07316.48
5.4.00.0030.08015.80
5.3.290.0070.04314.74
5.3.280.0070.04314.57
5.3.270.0070.03314.46
5.3.260.0030.05314.55
5.3.250.0030.07714.56
5.3.240.0030.07014.62
5.3.230.0070.06314.45
5.3.220.0000.04014.57
5.3.210.0070.03714.69
5.3.200.0030.06714.54
5.3.190.0070.03314.52
5.3.180.0100.03014.65
5.3.170.0030.03714.58
5.3.160.0070.06714.55
5.3.150.0000.05014.55
5.3.140.0070.08014.55
5.3.130.0130.06014.52
5.3.120.0030.08014.63
5.3.110.0000.08314.64
5.3.100.0070.07714.16
5.3.90.0070.06714.03
5.3.80.0030.06014.09
5.3.70.0030.04714.05
5.3.60.0070.07713.87
5.3.50.0070.06314.00
5.3.40.0170.07714.02
5.3.30.0070.07013.93
5.3.20.0030.05013.83
5.3.10.0030.05013.62
5.3.00.0070.06313.66
5.2.170.0030.04711.15
5.2.160.0100.05311.12
5.2.150.0070.05011.28
5.2.140.0100.03011.09
5.2.130.0100.05711.07
5.2.120.0030.06311.07
5.2.110.0030.05311.16
5.2.100.0130.04711.13
5.2.90.0070.05711.05
5.2.80.0030.06011.18
5.2.70.0100.05011.17
5.2.60.0030.05711.19
5.2.50.0000.06011.02
5.2.40.0000.03011.00
5.2.30.0070.05710.98
5.2.20.0030.04711.04
5.2.10.0030.05310.82
5.2.00.0000.03310.77
5.1.60.0070.04310.14
5.1.50.0100.0409.96
5.1.40.0070.0479.94
5.1.30.0070.04310.47
5.1.20.0030.02710.48
5.1.10.0000.02710.23
5.1.00.0070.04710.14
5.0.50.0030.0409.83
5.0.40.0000.0309.83
5.0.30.0000.0309.83
5.0.20.0000.0439.83
5.0.10.0070.0409.83
5.0.00.0000.0509.83
4.4.90.0000.0179.83
4.4.80.0000.0179.83
4.4.70.0030.0339.83
4.4.60.0070.0279.83
4.4.50.0000.0379.83
4.4.40.0030.0509.83
4.4.30.0000.0279.83
4.4.20.0070.0339.83
4.4.10.0000.0279.83
4.4.00.0000.0379.83
4.3.110.0030.0339.83
4.3.100.0000.0139.83
4.3.90.0070.0109.83
4.3.80.0000.0239.83
4.3.70.0000.0339.83
4.3.60.0030.0339.83
4.3.50.0100.0239.83
4.3.40.0030.0509.83
4.3.30.0030.0279.83
4.3.20.0000.0339.83
4.3.10.0000.0209.83
4.3.00.0030.0309.83

preferences:
43.51 ms | 401 KiB | 5 Q