3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8', mb_detect_encoding($value, mb_detect_order(), true)), mb_substitute_character()); var_dump(mb_substitute_character('long'), mb_convert_encoding($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)
8.3.60.0140.00516.75
8.3.50.0120.00722.00
8.3.40.0110.00718.59
8.3.30.0140.00018.91
8.3.20.0040.00420.16
8.3.10.0000.00823.66
8.3.00.0000.00821.01
8.2.180.0180.00418.66
8.2.170.0100.00722.96
8.2.160.0000.01320.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.38
8.2.110.0070.00322.24
8.2.100.0080.00318.03
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0050.00517.50
8.2.60.0140.00017.66
8.2.50.0000.00818.07
8.2.40.0050.00319.76
8.2.30.0080.00018.16
8.2.20.0040.00417.77
8.2.10.0040.00418.14
8.2.00.0040.00419.52
8.1.280.0060.00925.92
8.1.270.0050.00323.91
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00722.20
8.1.230.0060.00619.17
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.01117.36
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0080.00018.46
8.1.160.0000.00722.04
8.1.150.0030.00618.62
8.1.140.0080.00017.46
8.1.130.0030.00317.82
8.1.120.0030.00717.48
8.1.110.0040.00417.49
8.1.100.0000.00717.35
8.1.90.0000.00717.44
8.1.80.0110.00517.54
8.1.70.0000.00717.44
8.1.60.0040.00417.50
8.1.50.0040.00417.53
8.1.40.0040.00417.57
8.1.30.0030.00617.62
8.1.20.0000.00817.74
8.1.10.0030.00517.55
8.1.00.0080.00017.60
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0000.00718.50
8.0.270.0070.00017.16
8.0.260.0030.00317.32
8.0.250.0030.00317.05
8.0.240.0050.00316.99
8.0.230.0000.00616.88
8.0.220.0070.00016.86
8.0.210.0030.00316.84
8.0.200.0060.00017.05
8.0.190.0070.00017.05
8.0.180.0040.00717.04
8.0.170.0080.00016.98
8.0.160.0070.00316.84
8.0.150.0000.00716.96
8.0.140.0040.00416.86
8.0.130.0030.00613.42
8.0.120.0070.00016.87
8.0.110.0000.00716.95
8.0.100.0040.00416.93
8.0.90.0030.00617.04
8.0.80.0100.01016.92
8.0.70.0070.00017.01
8.0.60.0000.00716.99
8.0.50.0070.00016.97
8.0.30.0110.01117.22
8.0.20.0130.00917.40
8.0.10.0070.00017.10
8.0.00.0100.00716.73
7.4.330.0020.00215.09
7.4.320.0000.00616.69
7.4.300.0030.00316.54
7.4.290.0000.00716.60
7.4.280.0050.00516.53
7.4.270.0030.00316.64
7.4.260.0000.00716.64
7.4.250.0040.00416.50
7.4.240.0020.00516.71
7.4.230.0030.00316.63
7.4.220.0110.00616.65
7.4.210.0060.00916.59
7.4.200.0050.00216.71
7.4.160.0160.00016.63
7.4.150.0000.02017.40
7.4.140.0080.01117.86
7.4.130.0130.01016.50
7.4.120.0100.01016.58
7.4.110.0090.00916.65
7.4.100.0120.00316.62
7.4.90.0110.00716.53
7.4.80.0060.01619.39
7.4.70.0070.01016.44
7.4.60.0040.01216.57
7.4.50.0040.00416.71
7.4.40.0070.01116.58
7.4.30.0170.00016.67
7.4.00.0050.01014.93
7.3.330.0050.00013.27
7.3.320.0000.00613.02
7.3.310.0000.00716.20
7.3.300.0050.00316.26
7.3.290.0030.01016.41
7.3.280.0090.00916.38
7.3.270.0130.00417.40
7.3.260.0120.00616.52
7.3.250.0090.00716.41
7.3.240.0040.01416.59
7.3.230.0160.00316.48
7.3.210.0240.00016.45
7.3.200.0000.01619.39
7.3.190.0090.00916.67
7.3.180.0130.00416.35
7.3.170.0120.00416.36
7.3.160.0180.00016.49
7.3.120.0050.01014.74
7.3.110.0040.01414.86
7.3.100.0090.00914.78
7.3.90.0030.01014.95
7.3.80.0090.00314.84
7.3.70.0030.01215.00
7.3.60.0040.01214.90
7.3.50.0030.01014.84
7.3.40.0040.01014.93
7.3.30.0040.00414.92
7.3.20.0030.00916.44
7.3.10.0100.00316.48
7.3.00.0040.00716.39
7.2.330.0040.01316.73
7.2.320.0090.00916.62
7.2.310.0090.00916.31
7.2.300.0000.01716.37
7.2.290.0040.01216.71
7.2.250.0090.00915.19
7.2.240.0030.01315.26
7.2.230.0070.00715.19
7.2.220.0000.01414.99
7.2.210.0030.00915.08
7.2.200.0060.00914.79
7.2.190.0030.00614.70
7.2.180.0060.00614.89
7.2.170.0000.01514.76
7.2.00.0070.01118.94
7.1.330.0060.00615.99
7.1.320.0030.01316.05
7.1.310.0080.00415.98
7.1.300.0000.01015.78
7.1.290.0070.00715.82
7.1.280.0100.00316.06
7.1.270.0030.00915.90
7.1.260.0000.01215.63
7.1.100.0060.00918.11
7.1.70.0100.00017.03
7.1.60.0030.02019.70
7.1.50.0060.01616.97
7.1.00.0070.07322.54
7.0.200.0060.00616.95
7.0.140.0000.07722.10
7.0.60.0000.07721.66
7.0.50.0100.07017.81
7.0.40.0100.08720.00
7.0.30.0130.05320.17
7.0.20.0230.04720.13
7.0.10.0100.08320.33
7.0.00.0070.04720.33
5.6.280.0000.07721.06
5.6.210.0070.03720.51
5.6.200.0030.09018.16
5.6.190.0130.08020.35
5.6.180.3400.04720.64
5.6.170.0430.07020.48
5.6.160.0070.04320.49
5.6.150.0070.05018.16
5.6.140.0000.04318.11
5.6.130.0070.07318.21
5.6.120.0000.08021.01
5.6.110.0100.08320.98
5.6.100.0070.08320.85
5.6.90.0100.06320.97
5.6.80.0100.03720.42
5.5.350.0030.07320.44
5.5.340.0130.05318.02
5.5.330.0100.05320.37
5.5.320.0300.04720.26
5.5.310.0230.03720.20
5.5.300.0100.08017.98
5.5.290.0170.07318.01
5.5.280.0030.08720.68
5.5.270.0100.08320.87
5.5.260.0030.04320.74
5.5.250.0170.07020.70
5.5.240.0000.07320.03
5.4.450.0070.07319.25
5.4.440.0000.08319.13
5.4.430.0070.05319.43
5.4.420.0030.04719.48
5.4.410.0130.04318.98
5.4.400.0130.07018.92
5.4.390.0030.08319.07
5.4.380.0000.08319.18
5.4.370.0070.03718.92
5.4.360.0130.06318.79
5.4.350.0130.07319.21
5.4.340.0100.04319.18
5.4.320.0200.03019.00
5.4.310.0100.05319.15
5.4.300.0100.05319.08
5.4.290.0170.06318.79
5.4.280.0030.06019.07
5.4.270.0100.06319.17
5.4.260.0200.03319.00
5.4.250.0100.07719.13
5.4.240.0270.02719.16
5.4.230.0030.07719.07
5.4.220.0170.03318.78
5.4.210.0100.03718.91
5.4.200.0030.05019.17
5.4.190.0070.05718.99
5.4.180.0070.04319.07
5.4.170.0070.07018.77
5.4.160.0130.03019.11
5.4.150.0070.07719.11
5.4.140.0100.07316.27
5.4.130.0100.06716.25
5.4.120.0170.06716.41
5.4.110.0030.05716.30
5.4.100.0000.04716.41
5.4.90.0070.03316.27
5.4.80.0100.06716.33
5.4.70.0030.06316.27
5.4.60.0070.03316.34
5.4.50.0000.04716.24
5.4.40.0030.06316.32
5.4.30.0030.04316.29
5.4.20.0070.04316.32
5.4.10.0000.07316.34
5.4.00.0070.07015.82
5.3.290.0030.08014.58
5.3.280.0000.04714.38
5.3.270.0130.03714.55
5.3.260.0030.04014.43
5.3.250.0130.07314.62
5.3.240.0170.06014.62
5.3.230.0100.05014.69
5.3.220.0000.04314.49
5.3.210.0030.05014.39
5.3.200.0070.03714.48
5.3.190.0070.06314.55
5.3.180.0070.05014.38
5.3.170.0070.06014.53
5.3.160.0000.08014.65
5.3.150.0030.03714.50
5.3.140.0070.04714.43
5.3.130.0070.05014.56
5.3.120.0100.05314.37
5.3.110.0030.07314.56
5.3.100.0030.04313.96
5.3.90.0070.05314.03
5.3.80.0100.03713.98
5.3.70.0170.05014.11
5.3.60.0070.03313.92
5.3.50.0130.06013.88
5.3.40.0130.06713.84
5.3.30.0100.07313.88
5.3.20.0130.03713.66
5.3.10.0070.04313.75
5.3.00.0070.04013.58
5.2.170.0100.06711.04
5.2.160.0030.05011.04
5.2.150.0030.05711.13
5.2.140.0070.05011.13
5.2.130.0130.03711.09
5.2.120.0000.03311.09
5.2.110.0000.05711.09
5.2.100.0100.05711.09
5.2.90.0100.05711.04
5.2.80.0030.03310.96
5.2.70.0000.04711.10
5.2.60.0070.06011.05
5.2.50.0030.03010.89
5.2.40.0030.03010.92
5.2.30.0030.06710.85
5.2.20.0170.02311.11
5.2.10.0030.04710.71
5.2.00.0030.04710.74
5.1.60.0100.0239.99
5.1.50.0000.0379.97
5.1.40.0130.0439.88
5.1.30.0070.05010.31
5.1.20.0030.02710.20
5.1.10.0030.05710.13
5.1.00.0070.03310.06
5.0.50.0000.0278.52
5.0.40.0000.0238.42
5.0.30.0030.0308.20
5.0.20.0030.0438.11
5.0.10.0000.0408.24
5.0.00.0030.0578.18
4.4.90.0030.0178.02
4.4.80.0030.0138.02
4.4.70.0000.0208.02
4.4.60.0000.0378.02
4.4.50.0070.0338.02
4.4.40.0000.0338.02
4.4.30.0000.0208.02
4.4.20.0030.0378.02
4.4.10.0100.0278.02
4.4.00.0000.0378.02
4.3.110.0030.0178.02
4.3.100.0000.0338.02
4.3.90.0070.0278.02
4.3.80.0030.0538.02
4.3.70.0100.0278.02
4.3.60.0070.0238.02
4.3.50.0030.0378.02
4.3.40.0030.0478.02
4.3.30.0030.0338.02
4.3.20.0030.0238.02
4.3.10.0000.0378.02
4.3.00.0000.0338.02

preferences:
47.09 ms | 401 KiB | 5 Q