3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0x04) .'eld'; var_dump(mb_detect_order()); var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character(), mb_detect_encoding($value, mb_detect_order(), true)); var_dump(mb_substitute_character('long'), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character()); var_dump(mb_substitute_character(0x3013), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character()); var_dump(mb_substitute_character('none'), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character());

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)
8.3.60.0100.01016.38
8.3.50.0120.00917.33
8.3.40.0000.01418.46
8.3.30.0070.00718.59
8.3.20.0080.00018.64
8.3.10.0040.00420.47
8.3.00.0030.00519.13
8.2.180.0030.01716.88
8.2.170.0180.00022.96
8.2.160.0070.01121.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.01219.61
8.2.110.0110.00021.30
8.2.100.0070.00417.97
8.2.90.0070.00319.36
8.2.80.0000.00818.05
8.2.70.0040.00417.88
8.2.60.0080.00018.03
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0060.00318.20
8.2.20.0040.00417.80
8.2.10.0040.00417.70
8.2.00.0000.00717.75
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00320.95
8.1.230.0040.00721.13
8.1.220.0000.00817.79
8.1.210.0000.00819.08
8.1.200.0110.00417.48
8.1.190.0040.00417.76
8.1.180.0030.00518.10
8.1.170.0060.00320.80
8.1.160.0040.00418.91
8.1.150.0000.00718.68
8.1.140.0030.00617.63
8.1.130.0030.00317.82
8.1.120.0040.00417.57
8.1.110.0030.00617.64
8.1.100.0000.00717.49
8.1.90.0040.00417.58
8.1.80.0000.00717.64
8.1.70.0000.00717.49
8.1.60.0060.00317.72
8.1.50.0040.00417.61
8.1.40.0000.00917.68
8.1.30.0040.00417.63
8.1.20.0000.00717.68
8.1.10.0000.00817.59
8.1.00.0050.00517.59
8.0.300.0040.00420.02
8.0.290.0040.00416.75
8.0.280.0080.00018.41
8.0.270.0070.00017.33
8.0.260.0000.00816.80
8.0.250.0000.00816.95
8.0.240.0000.00917.05
8.0.230.0070.00016.98
8.0.220.0000.00717.02
8.0.210.0000.00616.85
8.0.200.0000.00716.94
8.0.190.0000.00816.96
8.0.180.0000.00716.92
8.0.170.0060.00316.88
8.0.160.0000.00716.86
8.0.150.0000.00816.95
8.0.140.0040.00416.95
8.0.130.0000.00613.39
8.0.120.0040.00416.95
8.0.110.0030.00317.02
8.0.100.0070.00016.97
8.0.90.0080.00016.96
8.0.80.0100.00617.03
8.0.70.0000.00716.94
8.0.60.0070.00017.03
8.0.50.0050.00216.98
8.0.30.0120.00617.27
8.0.20.0090.01017.11
8.0.10.0070.00016.90
8.0.00.0090.01016.82
7.4.330.0000.00613.14
7.4.320.0030.00316.66
7.4.300.0030.00316.68
7.4.290.0040.00416.64
7.4.280.0040.00416.71
7.4.270.0000.00716.50
7.4.260.0000.00613.32
7.4.250.0060.00316.63
7.4.240.0000.00716.67
7.4.230.0030.00316.70
7.4.220.0160.00316.54
7.4.210.0110.00516.59
7.4.200.0040.00416.77
7.4.190.0040.00416.69
7.4.160.0160.00616.36
7.4.150.0120.01216.69
7.4.140.0120.00916.46
7.4.130.0110.00916.55
7.4.120.0070.01216.62
7.4.110.0110.00716.65
7.4.100.0100.00716.67
7.4.90.0070.01416.71
7.4.80.0040.01216.66
7.4.70.0130.01016.48
7.4.60.0040.01316.64
7.4.50.0060.00316.44
7.4.40.0060.00616.56
7.4.30.0080.00816.61
7.4.00.0030.01014.76
7.3.330.0030.00313.02
7.3.320.0030.00313.19
7.3.310.0070.00016.14
7.3.300.0030.00316.30
7.3.290.0100.00716.25
7.3.280.0070.00916.34
7.3.270.0100.00716.69
7.3.260.0170.00516.73
7.3.250.0090.00916.57
7.3.240.0090.00616.52
7.3.230.0120.00416.35
7.3.210.0120.00416.42
7.3.200.0120.00919.39
7.3.190.0090.01216.39
7.3.180.0070.01316.55
7.3.170.0130.00316.39
7.3.160.0090.00916.38
7.3.120.0040.01115.05
7.2.330.0090.00916.59
7.2.320.0000.01716.63
7.2.310.0070.01616.52
7.2.300.0110.00516.68
7.2.290.0090.00816.63
7.2.60.0380.00316.73
7.2.00.0030.01019.17
7.1.200.0060.00615.66
7.1.100.0160.01218.29
7.1.70.0080.00317.21
7.1.60.0110.00719.40
7.1.50.0000.02016.85
7.1.00.0170.05722.34
7.0.200.1290.01715.09
7.0.140.0070.07322.10
7.0.120.0070.07022.01
7.0.60.0100.07719.88
7.0.50.0170.06317.87
7.0.40.0100.08720.40
7.0.30.0200.05320.09
7.0.20.0370.07020.19
7.0.10.0230.04020.03
7.0.00.0100.08720.16
5.6.280.0100.06721.09
5.6.210.0070.03720.66
5.6.200.0070.05718.22
5.6.190.0030.04320.60
5.6.180.0200.08020.61
5.6.170.0230.07020.33
5.6.160.0000.04320.45
5.6.150.0000.05718.10
5.6.140.0130.07018.22
5.6.130.0070.05718.11
5.6.120.0030.04021.09
5.6.110.0070.09321.04
5.6.100.0170.08320.97
5.6.90.0000.04321.10
5.6.80.0100.07320.33
5.6.70.4070.03320.52
5.5.350.0300.07320.38
5.5.340.0030.06017.89
5.5.330.0030.06720.52
5.5.320.0200.03720.43
5.5.310.0300.07720.30
5.5.300.0070.07317.88
5.5.290.0070.04018.00
5.5.280.0070.04020.88
5.5.270.0030.05320.84
5.5.260.0030.09720.76
5.5.250.0130.07720.61
5.5.240.0030.09020.06
5.4.450.0070.03719.50
5.4.440.0030.06019.40
5.4.430.0030.04019.47
5.4.420.0070.07319.50
5.4.410.0000.04019.28
5.4.400.0070.03718.92
5.4.390.0000.04018.91
5.4.380.0030.03719.13
5.4.370.0070.04019.12
5.4.360.0030.03719.18
5.4.350.0000.04019.14
5.4.340.0000.04018.91
5.4.320.0030.03718.81
5.4.310.0030.03719.09
5.4.300.0070.04018.80
5.4.290.0070.03319.15
5.4.280.0070.03319.00
5.4.270.0030.03719.09
5.4.260.0070.06319.07
5.4.250.0130.03319.17
5.4.240.0000.08319.15
5.4.230.0030.07718.78
5.4.220.0130.07318.80
5.4.210.0000.04319.07
5.4.200.0000.05318.77
5.4.190.0170.03718.77
5.4.180.0030.07319.07
5.4.170.0070.06019.10
5.4.160.0030.04319.16
5.4.150.0130.07318.77
5.4.140.0070.07016.37
5.4.130.0070.05716.27
5.4.120.0030.04016.32
5.4.110.0030.07016.30
5.4.100.0070.07316.32
5.4.90.0000.08316.16
5.4.80.0100.06716.32
5.4.70.0130.03716.33
5.4.60.0070.05716.37
5.4.50.0170.04316.32
5.4.40.0030.05316.41
5.4.30.0130.05016.21
5.4.20.0070.06316.38
5.4.10.0130.06716.34
5.4.00.0070.06015.79
5.3.290.0030.03714.60
5.3.280.0030.07314.38
5.3.270.0070.08314.50
5.3.260.0070.03314.58
5.3.250.0030.06314.55
5.3.240.0000.05014.44
5.3.230.0030.06014.56
5.3.220.0000.04314.46
5.3.210.0070.05314.51
5.3.200.0070.04014.47
5.3.190.0070.05014.49
5.3.180.0100.04314.48
5.3.170.0030.06314.46
5.3.160.0100.05314.57
5.3.150.0100.07014.51
5.3.140.0100.07014.52
5.3.130.0100.07314.47
5.3.120.0130.04014.57
5.3.110.0100.07014.47
5.3.100.0070.06014.12
5.3.90.0100.07314.04
5.3.80.0100.07013.82
5.3.70.0070.04313.80
5.3.60.0170.05013.82
5.3.50.0000.04713.76
5.3.40.0100.05713.96
5.3.30.0030.07313.88
5.3.20.0070.07013.63
5.3.10.0100.03313.61
5.3.00.0030.07313.66
5.2.170.0130.05311.14
5.2.160.0100.05710.97
5.2.150.0030.04311.13
5.2.140.0030.03711.15
5.2.130.0000.03311.05
5.2.120.0030.03311.11
5.2.110.0030.03011.08
5.2.100.0070.03311.04
5.2.90.0070.05710.96
5.2.80.0000.04011.02
5.2.70.0070.05711.07
5.2.60.0030.05711.04
5.2.50.0030.04011.02
5.2.40.0000.06710.84
5.2.30.0070.03710.92
5.2.20.0070.02710.96
5.2.10.0070.03010.86
5.2.00.0130.05010.70
5.1.60.0030.03710.07
5.1.50.0030.0409.96
5.1.40.0000.02710.05
5.1.30.0070.05310.23
5.1.20.0030.05710.50
5.1.10.0100.0509.91
5.1.00.0000.04010.10
5.0.50.0100.0408.57
5.0.40.0000.0408.39
5.0.30.0000.0438.25
5.0.20.0000.0208.27
5.0.10.0030.0378.18
5.0.00.0070.0638.07
4.4.90.0000.0207.67
4.4.80.0000.0177.67
4.4.70.0030.0177.67
4.4.60.0030.0207.67
4.4.50.0030.0137.67
4.4.40.0030.0307.67
4.4.30.0070.0307.67
4.4.20.0000.0237.67
4.4.10.0070.0177.67
4.4.00.0070.0407.67
4.3.110.0000.0377.67
4.3.100.0030.0177.67
4.3.90.0030.0237.67
4.3.80.0070.0437.67
4.3.70.0030.0307.67
4.3.60.0070.0307.67
4.3.50.0030.0277.67
4.3.40.0100.0377.67
4.3.30.0000.0377.67
4.3.20.0130.0077.67
4.3.10.0030.0177.67
4.3.00.0000.0377.67

preferences:
58.73 ms | 400 KiB | 5 Q