3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; mb_substitute_character('entity'); var_dump(mb_detect_encoding($value, mb_detect_order())); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value));

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)
8.3.60.0110.01118.18
8.3.50.0150.00721.00
8.3.40.0110.00318.42
8.3.30.0060.00919.11
8.3.20.0070.01120.25
8.3.10.0040.00421.83
8.3.00.0080.00022.59
8.2.180.0060.00916.63
8.2.170.0100.01022.96
8.2.160.0090.00620.95
8.2.150.0140.00424.18
8.2.140.0070.00024.66
8.2.130.0090.00926.16
8.2.120.0130.00617.38
8.2.110.0090.00022.25
8.2.100.0040.00717.58
8.2.90.0050.00319.01
8.2.80.0030.00617.97
8.2.70.0060.00317.37
8.2.60.0060.00317.80
8.2.50.0090.00018.07
8.2.40.0090.00018.22
8.2.30.0000.01118.04
8.2.20.0000.00817.51
8.2.10.0040.00419.51
8.2.00.0040.00417.72
8.1.280.0150.00325.92
8.1.270.0080.00023.99
8.1.260.0070.00726.35
8.1.250.0090.00928.09
8.1.240.0030.00623.91
8.1.230.0090.00319.16
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0040.00417.40
8.1.180.0000.00818.10
8.1.170.0060.00318.64
8.1.160.0030.00721.92
8.1.150.0030.00518.67
8.1.140.0040.00417.42
8.1.130.0040.00417.86
8.1.120.0040.00417.45
8.1.110.0030.00617.44
8.1.100.0040.00417.50
8.1.90.0030.00317.46
8.1.80.0030.00317.41
8.1.70.0040.00417.41
8.1.60.0030.00917.56
8.1.50.0040.00417.55
8.1.40.0030.00617.47
8.1.30.0000.00717.63
8.1.20.0030.00517.71
8.1.10.0000.00817.44
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.00718.43
8.0.270.0030.00317.24
8.0.260.0000.00616.79
8.0.250.0000.00816.88
8.0.240.0070.00016.97
8.0.230.0050.00216.92
8.0.220.0000.00616.94
8.0.210.0000.00716.78
8.0.200.0000.00616.92
8.0.190.0040.00416.88
8.0.180.0040.00416.93
8.0.170.0040.00416.91
8.0.160.0000.00716.91
8.0.150.0040.00416.92
8.0.140.0030.00516.82
8.0.130.0000.00613.23
8.0.120.0040.00416.87
8.0.110.0000.00816.83
8.0.100.0030.00516.70
8.0.90.0020.00516.94
8.0.80.0060.00916.93
8.0.70.0000.00816.77
8.0.60.0040.00416.70
8.0.50.0000.00716.86
8.0.30.0130.00616.97
8.0.20.0090.01117.40
8.0.10.0040.00416.92
8.0.00.0120.00616.67
7.4.330.0000.00615.00
7.4.320.0030.00316.57
7.4.300.0000.00716.54
7.4.290.0070.00016.57
7.4.280.0080.00016.38
7.4.270.0040.00416.57
7.4.260.0060.00316.55
7.4.250.0000.00716.56
7.4.240.0040.00416.42
7.4.230.0000.00716.41
7.4.220.0070.01016.63
7.4.210.0070.00816.46
7.4.200.0030.00316.40
7.4.190.0000.00716.72
7.4.160.0130.00316.35
7.4.150.0050.01417.40
7.4.140.0080.00917.86
7.4.130.0110.00716.52
7.4.120.0100.00716.49
7.4.110.0090.00916.45
7.4.100.0030.01516.56
7.4.90.0120.00416.45
7.4.80.0030.01719.39
7.4.70.0100.00716.45
7.4.60.0100.00716.38
7.4.50.0040.00416.57
7.4.40.0060.00922.77
7.4.30.0070.01416.23
7.4.00.0030.01014.90
7.3.330.0030.00313.13
7.3.320.0000.00612.90
7.3.310.0070.00016.25
7.3.300.0030.00316.04
7.3.290.0080.00616.15
7.3.280.0060.00916.21
7.3.270.0100.00717.40
7.3.260.0140.00316.41
7.3.250.0130.00816.35
7.3.240.0100.01216.39
7.3.230.0120.00616.39
7.3.210.0060.01216.23
7.3.200.0060.01219.39
7.3.190.0150.00416.26
7.3.180.0090.00616.46
7.3.170.0120.00416.27
7.3.160.0100.00616.00
7.3.120.0100.00314.69
7.2.330.0110.00716.23
7.2.320.0110.01116.30
7.2.310.0110.00416.44
7.2.300.0140.00416.46
7.2.290.0080.00816.41
7.2.60.0110.00616.87
7.2.00.0030.00919.57
7.1.200.0060.00615.82
7.1.100.0060.00618.40
7.1.70.0050.00517.07
7.1.60.0090.01519.82
7.1.50.0090.01216.88
7.1.00.0000.07722.31
7.0.200.0040.00416.83
7.0.140.0070.06721.96
7.0.100.0070.04019.96
7.0.90.0030.04719.86
7.0.80.0070.08319.82
7.0.70.0100.04319.89
7.0.60.0100.03719.94
7.0.50.0070.03720.24
7.0.40.0030.04319.91
7.0.30.0030.09720.07
7.0.20.0030.07020.09
7.0.10.0130.03320.01
7.0.00.0100.06720.10
5.6.280.0130.06320.91
5.6.250.0100.03320.62
5.6.240.0000.04320.51
5.6.230.0070.05720.65
5.6.220.0070.04020.65
5.6.210.0030.04020.61
5.6.200.0100.04721.04
5.6.190.0070.04321.01
5.6.180.0130.07721.01
5.6.170.0130.08021.05
5.6.160.0030.07321.11
5.6.150.0030.04321.00
5.6.140.0170.07321.07
5.6.130.0130.03720.92
5.6.120.0030.08721.04
5.6.110.0070.05721.12
5.6.100.0100.07021.01
5.6.90.0030.06721.01
5.6.80.0030.08320.45
5.6.70.0030.07320.37
5.6.60.0130.07020.38
5.6.50.0170.07020.33
5.6.40.0070.06320.43
5.6.30.0100.08020.42
5.6.20.0030.07020.38
5.6.10.0000.09020.45
5.6.00.0070.05720.51
5.5.380.0000.05020.56
5.5.370.0000.04720.34
5.5.360.0000.04320.32
5.5.350.0000.03720.44
5.5.340.0000.06320.63
5.5.330.0030.04020.91
5.5.320.0070.04720.86
5.5.310.0130.06720.76
5.5.300.0070.08320.79
5.5.290.0030.07720.75
5.5.280.0000.05320.88
5.5.270.0030.09020.91
5.5.260.0170.07320.84
5.5.250.0100.07320.66
5.5.240.0100.06720.02
5.5.230.0100.07020.20
5.5.220.0100.04020.19
5.5.210.0000.08320.16
5.5.200.0130.07020.23
5.5.190.0130.08020.27
5.5.180.0130.07320.12
5.5.160.0030.07720.11
5.5.150.0170.06720.26
5.5.140.0070.08320.20
5.5.130.0100.08020.14
5.5.120.0100.08020.22
5.5.110.0130.07720.20
5.5.100.0170.07020.16
5.5.90.0100.06320.05
5.5.80.0170.07020.05
5.5.70.0130.07720.05
5.5.60.0030.08020.09
5.5.50.0070.08020.05
5.5.40.0000.06320.11
5.5.30.0100.07020.11
5.5.20.0100.07320.04
5.5.10.0030.08020.08
5.5.00.0170.07720.04
5.4.450.0100.06319.11
5.4.440.0170.04719.25
5.4.430.0100.08019.27
5.4.420.0100.06019.46
5.4.410.0070.07719.31
5.4.400.0000.05018.96
5.4.390.0070.04718.98
5.4.380.0100.07019.13
5.4.370.0030.06018.98
5.4.360.0030.07718.90
5.4.350.0070.05319.23
5.4.340.0100.07718.96
5.4.320.0070.07319.09
5.4.310.0030.08318.96
5.4.300.0030.08018.96
5.4.290.0070.06318.90
5.4.280.0030.06019.14
5.4.270.0100.07319.07
5.4.260.0130.06719.02
5.4.250.0130.06719.05
5.4.240.0100.06719.13
5.4.230.0070.07319.04
5.4.220.0130.07018.80
5.4.210.0130.06319.22
5.4.200.0030.07019.09
5.4.190.0100.07318.91
5.4.180.0170.07019.08
5.4.170.0200.05718.97
5.4.160.0030.05719.01
5.4.150.0100.05018.98
5.4.140.0070.06016.32
5.4.130.0030.04316.27
5.4.120.0070.05016.34
5.4.110.0170.07016.30
5.4.100.0130.05016.29
5.4.90.0170.06316.20
5.4.80.0070.07716.22
5.4.70.0100.07016.41
5.4.60.0030.08316.27
5.4.50.0100.05316.18
5.4.40.0070.07016.45
5.4.30.0070.04316.23
5.4.20.0100.06316.18
5.4.10.0000.06716.19
5.4.00.0070.07015.79
5.3.290.0070.04314.62
5.3.280.0070.07714.54
5.3.270.0030.06714.60
5.3.260.0070.04014.46
5.3.250.0070.08014.51
5.3.240.0130.07314.56
5.3.230.0100.07314.55
5.3.220.0000.06314.40
5.3.210.0070.07714.55
5.3.200.0070.07314.59
5.3.190.0100.07014.41
5.3.180.0100.07314.42
5.3.170.0070.07314.41
5.3.160.0100.07714.42
5.3.150.0100.07314.44
5.3.140.0100.03314.42
5.3.130.0130.07314.46
5.3.120.0130.06714.54
5.3.110.0070.05314.54
5.3.100.0130.07313.85
5.3.90.0130.06314.01
5.3.80.0000.07313.87
5.3.70.0000.08013.99
5.3.60.0100.06313.94
5.3.50.0030.03713.80
5.3.40.0030.07013.92
5.3.30.0030.07713.68
5.3.20.0130.06313.54
5.3.10.0030.05313.56
5.3.00.0070.06013.57
5.2.170.0130.05711.10
5.2.160.0100.05710.93
5.2.150.0030.06711.09
5.2.140.0030.04711.20
5.2.130.0000.06711.09
5.2.120.0100.05011.15
5.2.110.0030.05011.09
5.2.100.0030.06311.17
5.2.90.0030.06010.92
5.2.80.0070.05011.01
5.2.70.0070.06711.05
5.2.60.0100.06711.07
5.2.50.0070.05310.93
5.2.40.0000.06010.98
5.2.30.0100.05711.04
5.2.20.0070.04710.91
5.2.10.0100.05310.87
5.2.00.0030.06710.76
5.1.60.0100.04710.00
5.1.50.0000.0339.87
5.1.40.0100.0339.80
5.1.30.0070.05710.19
5.1.20.0070.05310.28
5.1.10.0030.06010.09
5.1.00.0030.04310.05
5.0.50.0030.0238.58
5.0.40.0070.0408.40
5.0.30.0030.0678.23
5.0.20.0030.0438.23
5.0.10.0030.0378.23
5.0.00.0030.0378.23
4.4.90.0030.0208.23
4.4.80.0070.0338.23
4.4.70.0030.0308.23
4.4.60.0000.0208.23
4.4.50.0000.0308.23
4.4.40.0000.0538.23
4.4.30.0030.0308.23
4.4.20.0000.0408.23
4.4.10.0000.0278.23
4.4.00.0070.0508.23
4.3.110.0000.0238.23
4.3.100.0000.0378.23
4.3.90.0030.0308.23
4.3.80.0070.0508.23
4.3.70.0070.0138.23
4.3.60.0030.0308.23
4.3.50.0000.0408.23
4.3.40.0000.0508.23
4.3.30.0000.0378.23
4.3.20.0000.0378.23
4.3.10.0000.0208.23
4.3.00.0000.0378.23

preferences:
44.02 ms | 401 KiB | 5 Q