3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; var_dump(mb_substitute_character('long'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); var_dump(mb_substitute_character(0x3013), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); var_dump(mb_substitute_character("Ȁ"), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); var_dump(mb_substitute_character('none'), mb_convert_encoding($value, 'UTF-8'), 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)
8.3.60.0090.00916.63
8.3.50.0060.01416.57
8.3.40.0140.00418.84
8.3.30.0040.01118.79
8.3.20.0040.00418.59
8.3.10.0040.00420.66
8.3.00.0040.00417.63
8.2.180.0090.00916.88
8.2.170.0070.00722.96
8.2.160.0090.00618.79
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0050.00319.77
8.2.110.0080.00321.03
8.2.100.0040.00717.91
8.2.90.0000.00819.18
8.2.80.0040.00417.93
8.2.70.0030.00617.63
8.2.60.0040.00417.88
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0020.00518.01
8.2.20.0050.00317.64
8.2.10.0040.00417.69
8.2.00.0050.00217.68
8.1.280.0120.00325.92
8.1.270.0080.00024.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.01320.68
8.1.230.0070.00420.99
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0060.00317.13
8.1.190.0040.00417.53
8.1.180.0000.00918.10
8.1.170.0000.00818.89
8.1.160.0000.00718.91
8.1.150.0080.00018.72
8.1.140.0040.00417.38
8.1.130.0030.00317.95
8.1.120.0050.00317.46
8.1.110.0040.00417.49
8.1.100.0080.00017.52
8.1.90.0000.00717.50
8.1.80.0000.00817.36
8.1.70.0030.00317.46
8.1.60.0000.00717.55
8.1.50.0040.00717.46
8.1.40.0000.00717.60
8.1.30.0000.00817.75
8.1.20.0030.00517.61
8.1.10.0040.00417.71
8.1.00.0030.00517.61
8.0.300.0030.00619.98
8.0.290.0000.00716.75
8.0.280.0070.00018.34
8.0.270.0030.00317.19
8.0.260.0000.00716.84
8.0.250.0000.00817.00
8.0.240.0070.00016.91
8.0.230.0050.00316.98
8.0.220.0030.00316.96
8.0.210.0040.00416.91
8.0.200.0030.00317.02
8.0.190.0000.00716.97
8.0.180.0040.00416.91
8.0.170.0090.00016.95
8.0.160.0000.00717.11
8.0.150.0050.00216.76
8.0.140.0040.00416.77
8.0.130.0060.00013.39
8.0.120.0050.00317.00
8.0.110.0000.00716.93
8.0.100.0020.00516.93
8.0.90.0040.00416.80
8.0.80.0140.00316.91
8.0.70.0040.00416.85
8.0.60.0040.00417.04
8.0.50.0070.00016.79
8.0.30.0110.00817.27
8.0.20.0090.01117.21
8.0.10.0040.00416.89
8.0.00.0110.00816.68
7.4.330.0030.00313.02
7.4.320.0000.00616.67
7.4.300.0030.00316.63
7.4.290.0000.00816.60
7.4.280.0060.00316.56
7.4.270.0060.00316.54
7.4.260.0030.00413.21
7.4.250.0040.00416.55
7.4.240.0000.00716.45
7.4.230.0000.00716.64
7.4.220.0060.01216.61
7.4.210.0060.00816.51
7.4.200.0070.00016.71
7.4.190.0030.00316.75
7.4.160.0080.01416.46
7.4.150.0130.00416.58
7.4.140.0110.00616.45
7.4.130.0060.01116.38
7.4.120.0080.00816.43
7.4.110.0130.00416.71
7.4.100.0090.01016.54
7.4.90.0060.01216.38
7.4.80.0080.01216.52
7.4.70.0070.01016.23
7.4.60.0030.01316.53
7.4.50.0030.00616.50
7.4.40.0100.00316.38
7.4.30.0140.00316.39
7.4.00.0050.01014.81
7.3.330.0030.00313.14
7.3.320.0030.00312.99
7.3.310.0050.00216.28
7.3.300.0050.00216.13
7.3.290.0060.01416.33
7.3.280.0070.01216.27
7.3.270.0130.01316.20
7.3.260.0060.01216.19
7.3.250.0100.00816.26
7.3.240.0090.00916.38
7.3.230.0070.01016.47
7.3.210.0110.00716.32
7.3.200.0070.01019.39
7.3.190.0150.00916.38
7.3.180.0040.01216.13
7.3.170.0110.00816.23
7.3.160.0040.01116.35
7.3.120.0060.01214.90
7.3.110.0150.00314.72
7.3.100.0090.00914.91
7.3.90.0060.00914.84
7.3.80.0080.00314.93
7.3.70.0030.00714.58
7.3.60.0080.00414.49
7.3.50.0040.00414.50
7.3.40.0030.01014.78
7.3.30.0050.00514.80
7.3.20.0000.01016.49
7.3.10.0050.00916.38
7.3.00.0030.01116.57
7.2.330.0120.00616.44
7.2.320.0120.01216.33
7.2.310.0070.01616.59
7.2.300.0090.01216.38
7.2.290.0090.00916.30
7.2.250.0120.00614.56
7.2.240.0090.01214.64
7.2.230.0030.01314.84
7.2.220.0070.00714.95
7.2.210.0110.00415.10
7.2.200.0130.00014.60
7.2.190.0060.00614.64
7.2.180.0110.00414.78
7.2.170.0070.00714.78
7.2.130.0000.01616.63
7.2.120.0060.00316.48
7.2.110.0060.00616.79
7.2.100.0070.00416.66
7.2.90.0100.00616.76
7.2.80.0000.00916.91
7.2.70.0090.00016.90
7.2.60.0070.00716.82
7.2.50.0030.00616.98
7.2.40.0040.00816.77
7.2.30.0100.00316.76
7.2.20.0030.00616.56
7.2.10.0060.00616.59
7.2.00.0060.01117.96
7.1.330.0060.00915.97
7.1.320.0040.00815.71
7.1.310.0030.00915.81
7.1.300.0070.00715.58
7.1.290.0000.00915.84
7.1.280.0130.00015.45
7.1.270.0030.00915.72
7.1.260.0000.01415.62
7.1.250.0050.00515.65
7.1.100.0060.00817.99
7.1.70.0050.00517.09
7.1.60.0060.01519.40
7.1.50.0130.00334.78
7.1.00.0030.07722.54
7.0.200.0000.01016.87
7.0.140.0000.07721.95
7.0.120.0000.05722.09
7.0.60.0000.04720.01
7.0.50.0030.04717.89
7.0.40.0100.05320.05
7.0.30.0270.06020.31
7.0.20.0300.08020.13
7.0.10.0270.04720.02
7.0.00.0030.04320.17
5.6.280.0070.07020.92
5.6.210.0130.07720.68
5.6.200.0130.08018.12
5.6.190.0030.09320.40
5.6.180.0400.07020.56
5.6.170.0430.07020.50
5.6.160.0000.05320.70
5.6.150.0070.07018.08
5.6.140.0130.04718.18
5.6.130.0130.08018.18
5.6.120.0000.05720.97
5.6.110.0100.06021.00
5.6.100.0130.04021.02
5.6.90.0130.07721.07
5.6.80.0100.07020.38
5.6.70.4530.04720.52
5.5.350.0370.07020.42
5.5.340.0100.06017.93
5.5.330.0070.07720.20
5.5.320.0200.08020.57
5.5.310.0170.06020.41
5.5.300.0070.07318.01
5.5.290.0170.05717.96
5.5.280.0000.06020.68
5.5.270.0030.04020.84
5.5.260.0100.08320.80
5.5.250.0200.07020.61
5.5.240.0100.06020.05
5.4.450.0070.08019.51
5.4.440.0130.05019.48
5.4.430.0100.07019.50
5.4.420.0000.08319.39
5.4.410.0100.03319.38
5.4.400.0170.06319.18
5.4.390.0030.04018.91
5.4.380.0030.04719.09
5.4.370.0070.03719.18
5.4.360.0130.07018.93
5.4.350.0030.05318.81
5.4.340.0030.07718.91
5.4.320.0100.04319.14
5.4.310.0030.04018.92
5.4.300.0030.07719.11
5.4.290.0130.05019.17
5.4.280.0030.05719.07
5.4.270.0100.06319.14
5.4.260.0070.07319.00
5.4.250.0100.07019.17
5.4.240.0170.06318.99
5.4.230.0070.08019.08
5.4.220.0070.07718.79
5.4.210.0070.08319.07
5.4.200.0030.08018.80
5.4.190.0030.06718.91
5.4.180.0030.04718.91
5.4.170.0030.08319.07
5.4.160.0000.04318.79
5.4.150.0070.05019.00
5.4.140.0000.06016.33
5.4.130.0070.07316.21
5.4.120.0070.05716.25
5.4.110.0100.06716.36
5.4.100.0130.07016.23
5.4.90.0130.05016.61
5.4.80.0070.03316.25
5.4.70.0100.07016.39
5.4.60.0030.05716.23
5.4.50.0100.06716.57
5.4.40.0030.04016.39
5.4.30.0070.03316.31
5.4.20.0100.06716.27
5.4.10.0170.06316.32
5.4.00.0070.06715.61
5.3.290.0100.05714.59
5.3.280.0070.07314.53
5.3.270.0100.03314.48
5.3.260.0030.06014.57
5.3.250.0070.07014.57
5.3.240.0000.06014.54
5.3.230.0100.04314.54
5.3.220.0030.05314.39
5.3.210.0030.06714.40
5.3.200.0070.07014.44
5.3.190.0100.07314.53
5.3.180.0100.05014.48
5.3.170.0000.08014.49
5.3.160.0030.06714.52
5.3.150.0070.07714.44
5.3.140.0030.07014.48
5.3.130.0070.03714.64
5.3.120.0100.07714.48
5.3.110.0230.05314.47
5.3.100.0100.07013.96
5.3.90.0070.07313.96
5.3.80.0070.07713.95
5.3.70.0030.07013.84
5.3.60.0100.06013.98
5.3.50.0130.06013.88
5.3.40.0070.06013.78
5.3.30.0070.05313.86
5.3.20.0100.06313.53
5.3.10.0100.06713.60
5.3.00.0070.08013.59
5.2.170.0000.04311.00
5.2.160.0130.03311.04
5.2.150.0000.04311.13
5.2.140.0070.03011.00
5.2.130.0000.04011.26
5.2.120.0030.03710.99
5.2.110.0070.06010.96
5.2.100.0070.06011.03
5.2.90.0100.04311.00
5.2.80.0100.05710.96
5.2.70.0030.06711.04
5.2.60.0070.05011.02
5.2.50.0100.05711.01
5.2.40.0000.04010.90
5.2.30.0100.05710.86
5.2.20.0070.04311.11
5.2.10.0030.03010.81
5.2.00.0070.03310.59
5.1.60.0030.0539.90
5.1.50.0030.04010.14
5.1.40.0000.04010.02
5.1.30.0030.03010.41
5.1.20.0070.04710.40
5.1.10.0070.04010.06
5.1.00.0030.04310.06
5.0.50.0000.0508.57
5.0.40.0070.0408.39
5.0.30.0030.0608.23
5.0.20.0100.0378.23
5.0.10.0030.0438.23
5.0.00.0000.0508.23
4.4.90.0000.0208.23
4.4.80.0000.0278.23
4.4.70.0070.0208.23
4.4.60.0000.0408.23
4.4.50.0070.0338.23
4.4.40.0000.0508.23
4.4.30.0030.0238.23
4.4.20.0100.0308.23
4.4.10.0000.0408.23
4.4.00.0030.0578.23
4.3.110.0000.0308.23
4.3.100.0070.0278.23
4.3.90.0100.0278.23
4.3.80.0030.0308.23
4.3.70.0030.0178.23
4.3.60.0030.0178.23
4.3.50.0030.0208.23
4.3.40.0030.0308.23
4.3.30.0000.0408.23
4.3.20.0030.0338.23
4.3.10.0030.0338.23
4.3.00.0030.0338.23

preferences:
75.73 ms | 401 KiB | 5 Q