3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const AB♥ = "alphabet"; } $rc = new ReflectionClass("Test"); //$bad = "♥"; $bad = chr(0xe2); $key = array_keys( $rc->getConstants() ); $target = $key[ 0 ]; $pos = strpos( $target, $bad ); var_dump( $pos,mb_substr( $target, $pos,1 )); // 5.6 if ($pos !== FALSE) { trigger_error( "'$bad' in '$target'" ); }

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)
8.3.60.0110.00316.38
8.3.50.0120.00722.76
8.3.40.0000.01418.70
8.3.30.0040.01118.82
8.3.20.0000.00720.16
8.3.10.0040.00423.64
8.3.00.0050.00319.25
8.2.180.0080.00818.43
8.2.170.0100.00722.96
8.2.160.0180.00420.27
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0100.00726.16
8.2.120.0040.00421.04
8.2.110.0040.00722.18
8.2.100.0080.00418.00
8.2.90.0040.00419.36
8.2.80.0030.00717.97
8.2.70.0030.00817.50
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0000.01018.34
8.2.30.0040.00418.07
8.2.20.0040.00417.87
8.2.10.0030.00618.13
8.2.00.0060.00317.72
8.1.280.0140.00025.92
8.1.270.0040.00423.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.83
8.1.230.0070.00419.16
8.1.220.0050.00317.78
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0030.00517.00
8.1.180.0040.00418.10
8.1.170.0050.00518.46
8.1.160.0000.00921.95
8.1.150.0000.00718.84
8.1.140.0000.00817.40
8.1.130.0030.00317.84
8.1.120.0000.00717.32
8.1.110.0000.00817.25
8.1.100.0020.00517.34
8.1.90.0000.00717.41
8.1.80.0040.00417.31
8.1.70.0000.00717.38
8.1.60.0030.00617.49
8.1.50.0000.00817.53
8.1.40.0000.01017.52
8.1.30.0050.00317.69
8.1.20.0000.00717.63
8.1.10.0000.00817.48
8.1.00.0040.00417.66
8.0.300.0000.00918.77
8.0.290.0000.00816.61
8.0.280.0040.00418.46
8.0.270.0000.00716.98
8.0.260.0030.00318.52
8.0.250.0000.00717.01
8.0.240.0000.00717.01
8.0.230.0000.00717.08
8.0.220.0070.00017.00
8.0.210.0070.00017.04
8.0.200.0000.00817.09
8.0.190.0000.00716.98
8.0.180.0040.00417.06
8.0.170.0000.00817.07
8.0.160.0000.00717.09
8.0.150.0000.00916.98
8.0.140.0030.00516.88
8.0.130.0060.00313.43
8.0.120.0000.00717.03
8.0.110.0040.00417.02
8.0.100.0040.00417.07
8.0.90.0000.00717.10
8.0.80.0110.01016.98
8.0.70.0050.00217.06
8.0.60.0070.00017.14
8.0.50.0000.00817.06
8.0.30.0170.00717.21
8.0.20.0140.01117.40
8.0.10.0000.00916.97
8.0.00.0110.00616.80
7.4.330.0050.00015.07
7.4.320.0030.00316.51
7.4.300.0000.00816.66
7.4.290.0000.00716.52
7.4.280.0040.00416.61
7.4.270.0030.00316.54
7.4.260.0070.00016.55
7.4.250.0000.00816.57
7.4.240.0020.00516.57
7.4.230.0030.00316.50
7.4.220.0060.01216.65
7.4.210.0090.00616.68
7.4.200.0060.00016.32
7.4.160.0090.00616.48
7.4.150.0090.00917.40
7.4.140.0070.01317.86
7.4.130.0080.01316.71
7.4.120.0090.01016.59
7.4.110.0110.00716.65
7.4.100.0100.00716.49
7.4.90.0120.00616.41
7.4.80.0120.00619.39
7.4.70.0160.00616.45
7.4.60.0110.00716.63
7.4.50.0040.00416.65
7.4.40.0160.00616.41
7.4.30.0120.00416.45
7.4.00.0030.01215.07
7.3.330.0030.00613.09
7.3.320.0000.00713.05
7.3.310.0030.00316.34
7.3.300.0060.00016.16
7.3.290.0100.01016.41
7.3.280.0070.01016.31
7.3.270.0100.00917.40
7.3.260.0120.00516.36
7.3.250.0100.00716.43
7.3.240.0030.01316.39
7.3.230.0070.01116.39
7.3.210.0110.00716.50
7.3.200.0160.00019.39
7.3.190.0160.00616.32
7.3.180.0130.00316.65
7.3.170.0070.00816.57
7.3.160.0080.00816.34
7.2.330.0150.00316.55
7.2.320.0100.00616.56
7.2.310.0120.00916.43
7.2.300.0070.01016.63
7.2.290.0110.00716.82
7.1.70.0100.00017.07
7.1.60.0090.01519.40
7.1.50.0070.01416.59
7.1.00.0130.06722.29
7.0.200.0180.00914.59
7.0.140.0000.07722.09
7.0.60.0030.07719.94
7.0.50.0070.08017.87
7.0.40.0130.08020.32
7.0.30.0230.07320.35
7.0.20.0300.08020.05
7.0.10.0130.08320.19
7.0.00.0070.07320.20
5.6.280.0070.07021.04
5.6.210.0030.08320.53
5.6.200.0030.05018.15
5.6.190.0100.05720.63
5.6.180.0330.07720.55
5.6.170.0200.04020.48
5.6.160.0070.08720.51
5.6.150.0030.07018.27
5.6.140.0070.06718.27
5.6.130.0070.07018.24
5.6.120.0030.09021.00
5.6.110.0100.08320.95
5.6.100.0100.08321.04
5.6.90.0100.07320.85
5.6.80.0070.05720.37
5.5.350.0270.08320.53
5.5.340.0030.08018.01
5.5.330.0100.08020.21
5.5.320.0270.07720.27
5.5.310.0270.06720.51
5.5.300.0130.07317.95
5.5.290.0070.06718.08
5.5.280.0030.04020.75
5.5.270.0030.09020.95
5.5.260.0100.06320.64
5.5.250.0030.06720.57
5.5.240.0030.05720.32
5.4.450.0870.07319.47
5.4.440.0830.06319.55
5.4.430.0170.05719.54
5.4.420.0730.05019.41
5.4.410.0070.07718.98
5.4.400.0270.06018.89
5.4.390.0470.05718.75
5.4.380.0130.05718.74
5.4.370.0100.05718.67
5.4.360.0070.04018.68
5.4.350.0070.03612.01
5.4.340.0060.04012.01
5.4.320.0060.03512.50
5.4.310.0070.03612.49
5.4.300.0040.03712.50
5.4.290.0070.03612.50
5.4.280.0050.03612.39
5.4.270.0060.03512.39
5.4.260.0060.03612.39
5.4.250.0050.03712.39
5.4.240.0040.03712.39
5.4.230.0030.04012.38
5.4.220.0040.03812.39
5.4.210.0060.03412.38
5.4.200.0040.03912.39
5.4.190.0050.03712.38
5.4.180.0060.03512.38
5.4.170.0040.03712.39
5.4.160.0070.03312.38
5.4.150.0080.03912.38
5.4.140.0050.04112.07
5.4.130.0030.03612.05
5.4.120.0050.03412.02
5.4.110.0020.03712.01
5.4.100.0040.03512.01
5.4.90.0040.03712.01
5.4.80.0020.04012.01
5.4.70.0060.03312.01
5.4.60.0070.03912.00
5.4.50.0070.03712.00
5.4.40.0060.03711.99
5.4.30.0050.03511.99
5.4.20.0020.04811.99
5.4.10.0050.03811.99
5.4.00.0060.03511.48
5.3.290.0090.03512.80
5.3.280.0050.03812.71
5.3.270.0040.04312.72
5.3.260.0060.03812.72
5.3.250.0050.04012.72
5.3.240.0060.03812.72
5.3.230.0060.03712.70
5.3.220.0080.03512.68
5.3.210.0080.04812.68
5.3.200.0080.04112.68
5.3.190.0080.04812.68
5.3.180.0090.04612.67
5.3.170.0060.04512.67
5.3.160.0050.04212.68
5.3.150.0060.03912.67
5.3.140.0060.04412.66
5.3.130.0090.04212.66
5.3.120.0080.04612.66
5.3.110.0050.04612.65
5.3.100.0070.04112.12
5.3.90.0050.04212.09
5.3.80.0100.03812.09
5.3.70.0080.03612.09
5.3.60.0060.05112.07
5.3.50.0070.03512.02
5.3.40.0080.03812.02
5.3.30.0010.04311.97
5.3.20.0030.03711.76
5.3.10.0050.03511.72
5.3.00.0050.03611.71
5.2.170.0070.0339.21
5.2.160.0060.0289.21
5.2.150.0070.0369.21
5.2.140.0070.0319.21
5.2.130.0030.0319.17
5.2.120.0080.0249.17
5.2.110.0050.0299.18
5.2.100.0050.0279.18
5.2.90.0040.0339.17
5.2.80.0040.0309.16
5.2.70.0080.0329.17
5.2.60.0040.0359.12
5.2.50.0070.0279.09
5.2.40.0110.0319.06
5.2.30.0050.0359.04
5.2.20.0060.0279.03
5.2.10.0050.0298.93
5.2.00.0060.0298.80
5.1.60.0070.0328.08
5.1.50.0030.0358.07
5.1.40.0060.0338.06
5.1.30.0030.0408.41
5.1.20.0050.0288.43
5.1.10.0010.0338.15
5.1.00.0050.0258.15
5.0.50.0020.0216.63
5.0.40.0050.0356.50
5.0.30.0060.0336.30
5.0.20.0010.0216.27
5.0.10.0030.0266.25
5.0.00.0010.0336.25
4.4.90.0040.0154.78
4.4.80.0030.0144.75
4.4.70.0020.0174.76
4.4.60.0010.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0040.0154.76
4.4.20.0020.0164.84
4.4.10.0000.0184.84
4.4.00.0010.0274.75
4.3.110.0030.0144.67
4.3.100.0020.0164.67
4.3.90.0020.0174.63
4.3.80.0040.0274.59
4.3.70.0040.0134.63
4.3.60.0030.0134.63
4.3.50.0010.0164.63
4.3.40.0010.0254.54
4.3.30.0010.0213.30
4.3.20.0040.0193.28
4.3.10.0020.0243.24
4.3.00.0170.0207.16

preferences:
36.26 ms | 401 KiB | 5 Q