3v4l.org

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

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)
8.3.60.0130.00718.56
8.3.50.0130.00521.99
8.3.40.0120.00318.54
8.3.30.0070.00719.14
8.3.20.0040.00420.33
8.3.10.0030.00521.92
8.3.00.0030.00622.52
8.2.180.0110.00716.38
8.2.170.0170.00322.96
8.2.160.0110.00320.97
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00417.75
8.2.110.0090.00021.12
8.2.100.0000.01217.64
8.2.90.0030.00619.22
8.2.80.0000.00817.97
8.2.70.0030.00517.63
8.2.60.0040.00418.03
8.2.50.0090.00018.10
8.2.40.0000.00818.03
8.2.30.0000.00718.05
8.2.20.0040.00417.66
8.2.10.0000.00817.66
8.2.00.0040.00417.62
8.1.280.0100.00325.92
8.1.270.0040.00422.01
8.1.260.0000.00826.35
8.1.250.0070.01128.09
8.1.240.0100.00022.62
8.1.230.0040.00717.64
8.1.220.0030.00517.74
8.1.210.0080.00318.77
8.1.200.0060.00317.47
8.1.190.0050.00317.00
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0030.00521.93
8.1.150.0080.00018.56
8.1.140.0040.00417.39
8.1.130.0000.00717.83
8.1.120.0000.00717.36
8.1.110.0000.00817.47
8.1.100.0050.00317.43
8.1.90.0070.00017.47
8.1.80.0070.00017.36
8.1.70.0030.00317.48
8.1.60.0090.00017.50
8.1.50.0040.00417.48
8.1.40.0050.00217.49
8.1.30.0000.00817.64
8.1.20.0040.00417.72
8.1.10.0040.00417.51
8.1.00.0040.00417.52
8.0.300.0000.01118.77
8.0.290.0090.00016.63
8.0.280.0000.00818.41
8.0.270.0000.00717.17
8.0.260.0070.00016.77
8.0.250.0000.00717.00
8.0.240.0070.00016.96
8.0.230.0000.00717.04
8.0.220.0040.00416.77
8.0.210.0080.00016.77
8.0.200.0000.00716.84
8.0.190.0000.00916.98
8.0.180.0030.00316.91
8.0.170.0080.00016.83
8.0.160.0000.00716.89
8.0.150.0000.00716.93
8.0.140.0090.00016.68
8.0.130.0000.00513.29
8.0.120.0040.00416.79
8.0.110.0040.00416.90
8.0.100.0040.00416.88
8.0.90.0070.00016.90
8.0.80.0070.01016.88
8.0.70.0000.00816.89
8.0.60.0040.00416.94
8.0.50.0040.00416.77
8.0.30.0100.00917.00
8.0.20.0080.01017.40
8.0.10.0040.00416.91
8.0.00.0130.00416.65
7.4.330.0060.00015.09
7.4.320.0000.00616.44
7.4.300.0030.00316.54
7.4.290.0030.00316.62
7.4.280.0000.00716.50
7.4.270.0000.00716.66
7.4.260.0000.00816.55
7.4.250.0000.00716.47
7.4.240.0000.00716.48
7.4.230.0070.00016.42
7.4.220.0000.01516.71
7.4.210.0060.00816.51
7.4.200.0040.00416.64
7.4.190.0000.00716.33
7.4.160.0100.00616.29
7.4.150.0000.01917.40
7.4.140.0100.00717.86
7.4.130.0120.00716.41
7.4.120.0090.00816.46
7.4.110.0100.00716.48
7.4.100.0040.01316.52
7.4.90.0150.00616.40
7.4.80.0090.00919.39
7.4.70.0030.01316.36
7.4.60.0030.01216.35
7.4.50.0030.00316.42
7.4.40.0070.00722.77
7.4.30.0130.00316.27
7.4.00.0070.01014.73
7.3.330.0030.00312.98
7.3.320.0000.00713.00
7.3.310.0040.00416.07
7.3.300.0000.00816.08
7.3.290.0110.00316.27
7.3.280.0080.01016.24
7.3.270.0080.00817.40
7.3.260.0140.01116.22
7.3.250.0120.00616.47
7.3.240.0110.00516.59
7.3.230.0030.01316.45
7.3.210.0100.00716.55
7.3.200.0140.00719.39
7.3.190.0030.01316.23
7.3.180.0130.00316.60
7.3.170.0170.00016.27
7.3.160.0100.00716.32
7.3.120.0100.00714.78
7.2.330.0030.01516.67
7.2.320.0150.00316.41
7.2.310.0090.00916.64
7.2.300.0140.00416.66
7.2.290.0070.01016.47
7.1.200.0070.00715.81
7.1.100.0100.00318.04
7.1.70.0070.01117.05
7.1.60.0100.01319.82
7.1.50.0130.01017.01
7.1.00.0100.06722.54
7.0.200.0060.00616.69
7.0.140.0130.06322.09
7.0.70.0030.07721.64
7.0.60.0030.05021.77
7.0.50.0030.08322.03
7.0.40.0070.05320.09
7.0.30.0070.07720.17
7.0.20.0130.06720.17
7.0.10.0130.07020.05
7.0.00.0030.08720.07
5.6.280.0070.07021.15
5.6.220.0000.06720.66
5.6.210.0100.06720.58
5.6.200.0100.07721.00
5.6.190.0000.08321.00
5.6.180.0130.07321.02
5.6.170.0030.08721.01
5.6.160.0070.07021.04
5.6.150.0000.05720.95
5.6.140.0030.08321.10
5.6.130.0070.07721.00
5.6.120.0070.05721.11
5.6.110.0030.05721.05
5.6.100.0030.08721.03
5.6.90.0100.08021.09
5.6.80.0130.05320.30
5.6.70.0070.06320.37
5.6.60.0070.05320.48
5.6.50.0000.08320.38
5.6.40.0000.09020.29
5.6.30.0000.08320.45
5.6.20.0030.08320.46
5.6.10.0100.07020.29
5.6.00.0000.08320.45
5.5.360.0030.08720.33
5.5.350.0000.08720.46
5.5.340.0070.05720.79
5.5.330.0100.07720.83
5.5.320.0130.07720.83
5.5.310.0030.06320.79
5.5.300.0000.05720.71
5.5.290.0100.07720.75
5.5.280.0000.08720.83
5.5.270.0030.09020.91
5.5.260.0070.08320.91
5.5.250.0000.08720.62
5.5.240.0070.07020.28
5.5.230.0070.08020.21
5.5.220.0030.05320.28
5.5.210.0000.07720.28
5.5.200.0070.07020.14
5.5.190.0000.07319.99
5.5.180.0000.08320.10
5.5.160.0000.05720.21
5.5.150.0030.07319.95
5.5.140.0000.08020.10
5.5.130.0100.07719.98
5.5.120.0130.05720.05
5.5.110.0070.07020.18
5.5.100.0070.06019.94
5.5.90.0030.05020.04
5.5.80.0030.08319.90
5.5.70.0100.08020.03
5.5.60.0030.06720.04
5.5.50.0070.05020.13
5.5.40.0070.06020.04
5.5.30.0070.07019.97
5.5.20.0030.08720.09
5.5.10.0070.07020.00
5.5.00.0030.08020.11
5.4.450.0000.08719.37
5.4.440.0100.07719.27
5.4.430.0030.08319.52
5.4.420.0000.08719.27
5.4.410.0030.06319.16
5.4.400.0000.08319.06
5.4.390.0070.05719.06
5.4.380.0030.08019.14
5.4.370.0070.07318.96
5.4.360.0100.05019.17
5.4.350.0030.06019.09
5.4.340.0070.04719.23
5.4.320.0130.06318.98
5.4.310.0030.05318.98
5.4.300.0070.07719.14
5.4.290.0070.05719.08
5.4.280.0000.06019.12
5.4.270.0070.07319.02
5.4.260.0070.07019.04
5.4.250.0030.07718.94
5.4.240.0070.07319.07
5.4.230.0100.07019.09
5.4.220.0000.07719.02
5.4.210.0100.06719.11
5.4.200.0030.07018.94
5.4.190.0100.05018.89
5.4.180.0030.06018.89
5.4.170.0030.05318.95
5.4.160.0030.05718.94
5.4.150.0000.05719.05
5.4.140.0100.07016.36
5.4.130.0070.06016.33
5.4.120.0070.07016.28
5.4.110.0000.05716.26
5.4.100.0030.07316.29
5.4.90.0100.06716.22
5.4.80.0030.05716.21
5.4.70.0000.07716.24
5.4.60.0000.04316.23
5.4.50.0030.07716.43
5.4.40.0030.07316.46
5.4.30.0000.07016.27
5.4.20.0100.04016.18
5.4.10.0070.05016.37
5.4.00.0070.06715.82
5.3.290.0000.07714.64
5.3.280.0070.07314.57
5.3.270.0000.04014.56
5.3.260.0030.07714.46
5.3.250.0070.06714.44
5.3.240.0030.06314.57
5.3.230.0030.07314.43
5.3.220.0070.06014.38
5.3.210.0030.08014.42
5.3.200.0030.07014.51
5.3.190.0000.06314.55
5.3.180.0030.07714.52
5.3.170.0100.07314.52
5.3.160.0070.04014.42
5.3.150.0000.06714.38
5.3.140.0030.05014.54
5.3.130.0030.04714.38
5.3.120.0030.03714.53
5.3.110.0070.05014.40
5.3.100.0070.07314.04
5.3.90.0030.07713.85
5.3.80.0030.06713.95
5.3.70.0100.07013.87
5.3.60.0030.07713.98
5.3.50.0030.05013.88
5.3.40.0070.06713.85
5.3.30.0000.08013.76
5.3.20.0030.07313.69
5.3.10.0070.06713.52
5.3.00.0030.08013.57
5.2.170.0000.03712.22
5.2.160.0100.04012.22
5.2.150.0000.04312.22
5.2.140.0000.06712.22
5.2.130.0100.04712.22
5.2.120.0070.05712.22
5.2.110.0000.06012.22
5.2.100.0030.06012.22
5.2.90.0000.06712.22
5.2.80.0000.06312.22
5.2.70.0000.06312.22
5.2.60.0070.04712.22
5.2.50.0070.05712.22
5.2.40.0030.04712.22
5.2.30.0030.06312.22
5.2.20.0030.06312.22
5.2.10.0030.06012.22
5.2.00.0000.06312.22
5.1.60.0030.04312.22
5.1.50.0000.05312.22
5.1.40.0030.04712.22
5.1.30.0000.04712.22
5.1.20.0030.05312.22
5.1.10.0070.04012.22
5.1.00.0030.05312.22
5.0.50.0030.04012.22
5.0.40.0030.04012.22
5.0.30.0030.05312.22
5.0.20.0000.04312.22
5.0.10.0000.04312.22
5.0.00.0030.06012.22
4.4.90.0000.03712.22
4.4.80.0030.02712.22
4.4.70.0000.03712.22
4.4.60.0000.03712.22
4.4.50.0000.03712.22
4.4.40.0000.04312.22
4.4.30.0030.03312.22
4.4.20.0000.02712.22
4.4.10.0000.03312.22
4.4.00.0030.04012.22
4.3.110.0000.04012.22
4.3.100.0000.03312.22
4.3.90.0030.03312.22
4.3.80.0000.05712.22
4.3.70.0000.03712.22
4.3.60.0000.03712.22
4.3.50.0000.03312.22
4.3.40.0030.03312.22
4.3.30.0000.02712.22
4.3.20.0070.03312.22
4.3.10.0000.03712.22
4.3.00.0030.03712.22

preferences:
32.38 ms | 401 KiB | 5 Q